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/**
* @author ETSI / STF544
* @version $Url$
* $Id$
* @desc Module containing functions for ITS PKI ATS
* @copyright ETSI Copyright Notification
* No part may be reproduced except as authorized by written permission.
* The copyright and the foregoing restriction extend to reproduction in all media.
* All rights reserved.
*
*/
module LibItsPki_Functions {
// LibCommon
import from LibCommon_Time all;
import from LibCommon_VerdictControl all;
import from LibCommon_Sync all;
import from LibCommon_BasicTypesAndValues all;
import from LibCommon_DataStrings all;
// LibHelpers
import from LibHelpers_Functions all;
// LibIts
import from Ieee1609Dot2BaseTypes language "ASN.1:1997" all;
import from Ieee1609Dot2 language "ASN.1:1997" all;
import from EtsiTs102941BaseTypes language "ASN.1:1997" all;
import from EtsiTs102941TypesEnrolment language "ASN.1:1997" all;
import from EtsiTs102941TypesAuthorization language "ASN.1:1997" all;
import from EtsiTs102941TypesAuthorizationValidation language "ASN.1:1997" all;
import from EtsiTs102941MessagesCa language "ASN.1:1997" all;
import from EtsiTs102941TrustLists language "ASN.1:1997" all;
import from EtsiTs103097Module language "ASN.1:1997" all;
import from ETSI_ITS_CDD language "ASN.1:1997" all;
import from CAM_PDU_Descriptions language "ASN.1:1997" all;
// LibItsCommon
import from LibItsCommon_TypesAndValues all;
import from LibItsCommon_Functions all;
import from LibItsCommon_ASN1_NamedNumbers all;
import from LibItsCommon_Pixits all;
// LibItsGeoNetworking
import from LibItsGeoNetworking_TypesAndValues all;
import from LibItsGeoNetworking_TestSystem all;
import from LibItsGeoNetworking_Pixits all;
// LibItsSecurity
import from LibItsSecurity_TypesAndValues all;
import from LibItsSecurity_Templates all;
import from LibItsSecurity_Functions all;
import from LibItsSecurity_Pics all;
import from LibItsSecurity_Pixits all;
import from LibItsSecurity_TestSystem all;
// LibHttp
import from LibHttp_TypesAndValues all;
import from LibHttp_Templates all;
import from LibHttp_Functions all;
import from LibHttp_TestSystem all;
import from LibHttp_Pics all;
// LibHttp
import from LibHttp_BinaryTemplates all;
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// LibItsPki
import from LibItsPki_TypesAndValues all;
import from LibItsPki_Templates all;
import from LibItsPki_Pics all;
import from LibItsPki_Pixits all;
import from LibItsPki_TestSystem all;
group pkiConfigurationFunctions {
function f_cfMtcUp01(
out ItsPkiItss p_itss,
out ItsPkiHttp p_pki
) runs on ItsMtc {
p_itss := ItsPkiItss.create("ITS-S") alive;
p_pki := ItsPkiHttp.create("PKI") alive;
connect(self:syncPort, mtc:syncPort);
connect(p_itss:syncPort, self:syncPort);
connect(p_pki:syncPort, self:syncPort);
connect(p_pki:infoPort, p_itss:infoPort);
} // End of function f_cfMtcUp01
function f_cfMtcUp02(
out ItsPkiHttp p_itss,
out ItsPkiHttp p_ea
) runs on ServerSyncComp {
p_itss := ItsPkiItss.create("ITS-S") alive;
p_ea := ItsPkiHttp.create("EA") alive;
connect(self:syncPort, mtc:syncPort);
connect(p_itss:syncPort, self:syncPort);
connect(p_ea:syncPort, self:syncPort);
} // End of function f_cfMtcUp02
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function f_cfMtcUp03(
out ItsPkiHttp p_itss,
out ItsPkiHttp p_tlm
) runs on ServerSyncComp {
p_itss := ItsPkiItss.create("ITS-S") alive;
p_tlm := ItsPkiHttp.create("TLM") alive;
connect(self:syncPort, mtc:syncPort);
connect(p_itss:syncPort, self:syncPort);
connect(p_tlm:syncPort, self:syncPort);
} // End of function f_cfMtcUp03
function f_cfMtcUp04(
out ItsPkiHttp p_itss,
out ItsPkiHttp p_dc
) runs on ServerSyncComp {
p_itss := ItsPkiItss.create("ITS-S") alive;
p_dc := ItsPkiHttp.create("DC") alive;
connect(self:syncPort, mtc:syncPort);
connect(p_itss:syncPort, self:syncPort);
connect(p_dc:syncPort, self:syncPort);
} // End of function f_cfMtcUp04
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/**
* @desc Setups default configuration
* @param p_certificate_id The certificate identifier the TA shall use in case of secured IUT
*/
function f_cfHttpUp(
in charstring p_ea_certificate_id := "CERT_TS_A_EA", // TODO Use a constant
in charstring p_aa_certificate_id := "CERT_TS_A_AA"
) runs on ItsPkiHttp system ItsPkiHttpSystem {
if (PICS_MULTIPLE_END_POINT == false) {
map(self:httpPort, system:httpPort);
} else {
map(self:httpEcPort, system:httpEcPort);
map(self:httpAtVPort, system:httpAtVPort);
map(self:httpAtPort, system:httpAtPort);
}
f_connect4SelfOrClientSync();
f_initialiseSecuredMode(p_ea_certificate_id, p_aa_certificate_id); // TODO To be removed???
// TODO Duplicate code, use a function
// Setup EA certificate shared with PKI EA entity
f_readCertificate(p_ea_certificate_id, vc_eaCertificate);
f_readSigningKey(p_ea_certificate_id, vc_eaPrivateKey); // TODO To be removed
f_readEncryptingKey(p_ea_certificate_id, vc_eaPrivateEncKey);
f_getCertificateDigest(p_ea_certificate_id, vc_eaHashedId8);
f_getCertificateHash(p_ea_certificate_id, vc_eaWholeHash);
f_getCertificateHash256(p_ea_certificate_id, vc_eaWholeHash256);
log("f_cfHttpUp: vc_eaPrivateKey= ", vc_eaPrivateKey);
log("f_cfHttpUp: vc_eaPrivateEncKey= ", vc_eaPrivateEncKey);
log("f_cfHttpUp: vc_eaHashedId8= ", vc_eaHashedId8);
log("f_cfHttpUp: vc_eaWholeHash= ", vc_eaWholeHash);
log("f_cfHttpUp: vc_eaWholeHash256= ", vc_eaWholeHash256);
// Setup AA certificate shared with PKI AA entity
f_readCertificate(p_aa_certificate_id, vc_aaCertificate);
f_readSigningKey(p_aa_certificate_id, vc_aaPrivateKey); // Required for AuthorizationValidation request
f_readEncryptingKey(p_aa_certificate_id, vc_aaPrivateEncKey);
f_getCertificateDigest(p_aa_certificate_id, vc_aaHashedId8);
f_getCertificateHash(p_aa_certificate_id, vc_aaWholeHash);
f_getCertificateHash256(p_aa_certificate_id, vc_aaWholeHash256);
log("f_cfHttpUp: vc_aaPrivateKey= ", vc_aaPrivateKey);
log("f_cfHttpUp: vc_aaPrivateEncKey= ", vc_aaPrivateEncKey);
log("f_cfHttpUp: vc_aaHashedId8= ", vc_aaHashedId8);
log("f_cfHttpUp: vc_aaWholeHash= ", vc_aaWholeHash);
log("f_cfHttpUp: vc_aaWholeHash256= ", vc_aaWholeHash256);
// Storage of enrolment keys in case of re-enrolment
vc_ec_keys_counter := 0;
vc_ec_private_keys := {};
vc_ec_public_compressed_key := {};
vc_ec_compressed_modes := {};
vc_ec_hashed_id8 := {};
vc_ec_certificates := {};
if (PICS_MULTIPLE_END_POINT == false) {
activate(a_default_pki_http());
} else {
activate(a_default_pki_http_ec());
activate(a_default_pki_http_atv());
activate(a_default_pki_http_at());
}
} // End of function f_cfHttpUp
/**
* @desc Setups default configuration
*/
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function f_cfHttpUp_ca() runs on ItsPkiHttp system ItsPkiHttpSystem { // FIXME Rename into f_cfHttpUp_rca_dc
if (PICS_MULTIPLE_END_POINT == false) {
map(self:httpPort, system:httpPort);
} else {
map(self:httpCaPort, system:httpCaPort);
}
f_connect4SelfOrClientSync();
f_initialiseSecuredMode();
if (PICS_MULTIPLE_END_POINT == false) {
activate(a_default_pki_http());
} else {
activate(a_default_pki_http_ca());
}
} // End of function f_cfHttpUp_ca
/**
* @desc Setups default configuration
*/
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function f_cfHttpUp_tlm() runs on ItsPkiHttp system ItsPkiHttpSystem { // FIXME Rename into f_cfHttpUp_cpoc
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if (PICS_MULTIPLE_END_POINT == false) {
map(self:httpPort, system:httpPort);
} else {
map(self:httpTlmPort, system:httpTlmPort);
}
f_connect4SelfOrClientSync();
f_initialiseSecuredMode();
if (PICS_MULTIPLE_END_POINT == false) {
activate(a_default_pki_http());
} else {
activate(a_default_pki_http_tlm());
}
} // End of function f_cfHttpUp_tlm
/**
* @desc Setups default configuration
* @param p_certificate_id The certificate identifier the TA shall use in case of secured IUT
*/
function f_cfHttpUp_itss(
in charstring p_ea_certificate_id := "CERT_TS_A_EA", // TODO Use a constant
in charstring p_aa_certificate_id := "CERT_TS_A_AA"
) runs on ItsPkiHttp system ItsPkiHttpSystem {
if (PICS_MULTIPLE_END_POINT == false) {
map(self:httpPort, system:httpPort);
} else {
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map(self:httpAtPort, system:httpAtPort);
}
f_initialiseSecuredMode(p_ea_certificate_id, p_aa_certificate_id); // TODO To be removed???
// TODO Duplicate code, use a function
// Setup EA certificate shared with PKI EA entity
f_readCertificate(p_ea_certificate_id, vc_eaCertificate);
f_readSigningKey(p_ea_certificate_id, vc_eaPrivateKey); // TODO To be removed
f_readEncryptingKey(p_ea_certificate_id, vc_eaPrivateEncKey);
f_getCertificateDigest(p_ea_certificate_id, vc_eaHashedId8);
f_getCertificateHash(p_ea_certificate_id, vc_eaWholeHash);
f_getCertificateHash256(p_ea_certificate_id, vc_eaWholeHash256);
log("f_cfHttpUp_itss: vc_eaPrivateKey= ", vc_eaPrivateKey);
log("f_cfHttpUp_itss: vc_eaPrivateEncKey= ", vc_eaPrivateEncKey);
log("f_cfHttpUp_itss: vc_eaHashedId8= ", vc_eaHashedId8);
log("f_cfHttpUp_itss: vc_eaWholeHash= ", vc_eaWholeHash);
log("f_cfHttpUp: vc_eaWholeHash256= ", vc_eaWholeHash256);
// Setup AA certificate shared with PKI AA entity
f_readCertificate(p_aa_certificate_id, vc_aaCertificate);
f_readSigningKey(p_aa_certificate_id, vc_aaPrivateKey); // Required for AuthorizationValidation request
f_readEncryptingKey(p_aa_certificate_id, vc_aaPrivateEncKey);
f_getCertificateDigest(p_aa_certificate_id, vc_aaHashedId8);
f_getCertificateHash(p_aa_certificate_id, vc_aaWholeHash);
f_getCertificateHash256(p_aa_certificate_id, vc_aaWholeHash256);
log("f_cfHttpUp_itss: vc_aaPrivateKey= ", vc_aaPrivateKey);
log("f_cfHttpUp_itss: vc_aaPrivateEncKey= ", vc_aaPrivateEncKey);
log("f_cfHttpUp_itss: vc_aaHashedId8= ", vc_aaHashedId8);
log("f_cfHttpUp_itss: vc_aaWholeHash= ", vc_aaWholeHash);
log("f_cfHttpUp: vc_eaWholeHash256= ", vc_aaWholeHash256);
// Storage of enrolment keys in case of re-enrolment
vc_ec_keys_counter := 0;
vc_ec_private_keys := {};
vc_ec_public_compressed_key := {};
vc_ec_compressed_modes := {};
vc_ec_hashed_id8 := {};
vc_ec_certificates := {};
if (PICS_MULTIPLE_END_POINT == false) {
activate(a_default_pki_http());
} else {
activate(a_default_pki_http_at());
}
} // End of function f_cfHttpUp_itss
/**
* @desc Setups default configuration
* @param p_certificate_id The certificate identifier the TA shall use in case of secured IUT
*/
function f_cfHttpUp_ea(
in charstring p_ea_certificate_id := "CERT_TS_A_EA", // TODO Use a constant
in charstring p_aa_certificate_id := "CERT_TS_A_AA"
) runs on ItsPkiHttp system ItsPkiHttpSystem {
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if (PICS_MULTIPLE_END_POINT == false) {
map(self:httpPort, system:httpPort);
} else {
map(self:httpAtVPort, system:httpAtVPort);
}
f_initialiseSecuredMode(p_ea_certificate_id, p_aa_certificate_id); // TODO To be removed???
// TODO Duplicate code, use a function
// Setup EA certificate shared with PKI EA entity
f_readCertificate(p_ea_certificate_id, vc_eaCertificate);
f_readSigningKey(p_ea_certificate_id, vc_eaPrivateKey); // TODO To be removed
f_readEncryptingKey(p_ea_certificate_id, vc_eaPrivateEncKey);
f_getCertificateDigest(p_ea_certificate_id, vc_eaHashedId8);
f_getCertificateHash(p_ea_certificate_id, vc_eaWholeHash);
f_getCertificateHash256(p_aa_certificate_id, vc_eaWholeHash256);
log("f_cfHttpUp_ea: vc_eaPrivateKey= ", vc_eaPrivateKey);
log("f_cfHttpUp_ea: vc_eaPrivateEncKey= ", vc_eaPrivateEncKey);
log("f_cfHttpUp_ea: vc_eaHashedId8= ", vc_eaHashedId8);
log("f_cfHttpUp_ea: vc_eaWholeHash= ", vc_eaWholeHash);
log("f_cfHttpUp: vc_aaWholeHash256= ", vc_eaWholeHash256);
// Setup AA certificate shared with PKI AA entity
f_readCertificate(p_aa_certificate_id, vc_aaCertificate);
f_readSigningKey(p_aa_certificate_id, vc_aaPrivateKey); // Required for AuthorizationValidation request
f_readEncryptingKey(p_aa_certificate_id, vc_aaPrivateEncKey);
f_getCertificateDigest(p_aa_certificate_id, vc_aaHashedId8);
f_getCertificateHash(p_aa_certificate_id, vc_aaWholeHash);
f_getCertificateHash256(p_aa_certificate_id, vc_aaWholeHash256);
log("f_cfHttpUp_ea: vc_aaPrivateKey= ", vc_aaPrivateKey);
log("f_cfHttpUp_ea: vc_aaPrivateEncKey= ", vc_aaPrivateEncKey);
log("f_cfHttpUp_ea: vc_aaHashedId8= ", vc_aaHashedId8);
log("f_cfHttpUp_ea: vc_aaWholeHash= ", vc_aaWholeHash);
log("f_cfHttpUp: vc_aaWholeHash256= ", vc_aaWholeHash256);
// Storage of enrolment keys in case of re-enrolment
vc_ec_keys_counter := 0;
vc_ec_private_keys := {};
vc_ec_public_compressed_key := {};
vc_ec_compressed_modes := {};
vc_ec_hashed_id8 := {};
vc_ec_certificates := {};
if (PICS_MULTIPLE_END_POINT == false) {
activate(a_default_pki_http());
} else {
activate(a_default_pki_http_atv());
activate(a_default_pki_http_at());
}
} // End of function f_cfHttpUp_ea
function f_cfUp_itss() runs on ItsPkiItss system ItsPkiItssSystem {
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map(self:geoNetworkingPort, system:geoNetworkingPort);
map(self:utPort, system:utPort);
//map(self:acPort, system:acPort);
f_initializeState();
// activate(a_default_pki()); TOTO Defualt from geoNet
} // End of function f_cfUp_itss
/**
* @desc Deletes default configuration
*/
function f_cfMtcDown01(
inout ItsPkiItss p_itss,
inout ItsPkiHttp p_pki
) runs on ItsMtc {
disconnect(self:syncPort, mtc:syncPort);
disconnect(p_itss:syncPort, self:syncPort);
disconnect(p_pki:syncPort, self:syncPort);
disconnect(p_pki:infoPort, p_itss:infoPort);
p_itss.done;
p_pki.done;
}
function f_cfMtcDown02(
inout ItsPkiHttp p_itss,
inout ItsPkiHttp p_ea
) runs on ServerSyncComp {
disconnect(self:syncPort, mtc:syncPort);
disconnect(p_itss:syncPort, self:syncPort);
disconnect(p_ea:syncPort, self:syncPort);
p_itss.done;
p_ea.done;
}
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function f_cfMtcDown03(
inout ItsPkiHttp p_itss,
inout ItsPkiHttp p_tlm
) runs on ServerSyncComp {
disconnect(self:syncPort, mtc:syncPort);
disconnect(p_itss:syncPort, self:syncPort);
disconnect(p_tlm:syncPort, self:syncPort);
p_itss.done;
p_tlm.done;
}
function f_cfMtcDown04(
inout ItsPkiHttp p_itss,
inout ItsPkiHttp p_dc
) runs on ServerSyncComp {
disconnect(self:syncPort, mtc:syncPort);
disconnect(p_itss:syncPort, self:syncPort);
disconnect(p_dc:syncPort, self:syncPort);
p_itss.done;
p_dc.done;
}
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/**
* @desc Deletes default configuration
*/
function f_cfHttpDown() runs on ItsPkiHttp {
if (PICS_MULTIPLE_END_POINT == false) {
unmap(self:httpPort, system:httpPort);
} else {
unmap(self:httpEcPort, system:httpEcPort);
unmap(self:httpAtVPort, system:httpAtVPort);
unmap(self:httpAtPort, system:httpAtPort);
}
f_disconnect4SelfOrClientSync();
f_uninitialiseSecuredMode();
} // End of function f_cfHttpDown
/**
* @desc Deletes default configuration
*/
function f_cfHttpDown_ca() runs on ItsPkiHttp {
if (PICS_MULTIPLE_END_POINT == false) {
unmap(self:httpPort, system:httpPort);
} else {
unmap(self:httpCaPort, system:httpCaPort);
}
f_disconnect4SelfOrClientSync();
f_uninitialiseSecuredMode();
} // End of function f_cfHttpDown_ca
/**
* @desc Deletes default configuration
*/
function f_cfHttpDown_tlm() runs on ItsPkiHttp {
if (PICS_MULTIPLE_END_POINT == false) {
unmap(self:httpPort, system:httpPort);
} else {
unmap(self:httpTlmPort, system:httpTlmPort);
}
f_disconnect4SelfOrClientSync();
f_uninitialiseSecuredMode();
} // End of function f_cfHttpDown_tlm
/**
* @desc Deletes default configuration
*/
function f_cfHttpDown_itss() runs on ItsPkiHttp {
if (PICS_MULTIPLE_END_POINT == false) {
unmap(self:httpPort, system:httpPort);
} else {
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unmap(self:httpAtPort, system:httpAtPort);
}
f_disconnect4SelfOrClientSync();
f_uninitialiseSecuredMode();
} // End of function f_cfHttpDown_itss
/**
* @desc Deletes default configuration
*/
function f_cfHttpDown_ea() runs on ItsPkiHttp {
if (PICS_MULTIPLE_END_POINT == false) {
unmap(self:httpPort, system:httpPort);
} else {
unmap(self:httpAtVPort, system:httpAtVPort);
}
f_disconnect4SelfOrClientSync();
f_uninitialiseSecuredMode();
} // End of function f_cfHttpDown_ea
/**
* @desc Deletes default configuration
*/
function f_cfDown_itss() runs on ItsPkiItss system ItsPkiItssSystem {
unmap(self:geoNetworkingPort, system:geoNetworkingPort);
unmap(self:utPort, system:utPort);
//unmap(self:acPort, system:acPort);
} // End of function f_cfDown
/**
* @desc Initialise secure mode if required
*/
function f_initialiseSecuredMode(
in charstring p_certificate_id := "CERT_TS_A_EA", // TODO Use a constant
in charstring p_peerCertificateId := "CERT_IUT_A_EA"
) runs on ItsSecurityBaseComponent {
if(not(f_loadCertificates(PX_IUT_SEC_CONFIG_NAME))) {
log("*** INFO: TEST CASE NOW STOPPING ITSELF! ***");
setverdict(inconc);
stop;
}
} // End of function f_initialiseSecuredMode()
function f_uninitialiseSecuredMode() runs on ItsSecurityBaseComponent {
f_unloadCertificates();
} // End of function f_uninitialiseSecuredMode()
function f_initializeState() runs on ItsPkiItss {
var Oct8 v_hashedId8ToBeUsed;
log(">>> f_initializeState: vc_hashedId8ToBeUsed= ", vc_hashedId8ToBeUsed);
v_hashedId8ToBeUsed := f_setupIutCertificate(vc_hashedId8ToBeUsed);
log("f_initializeState: v_hashedId8ToBeUsed= ", v_hashedId8ToBeUsed);
f_utInitializeIut(UtPkiInitialize: { v_hashedId8ToBeUsed } );
f_sleep(PX_NEIGHBOUR_DISCOVERY_DELAY);
// f_acLoadScenario(p_scenario);
// f_acStartScenario();
}
} // End of pkiConfigurationFunctions
group ut_port {
function f_utInitializeIut(template (value) UtPkiInitialize p_init) runs on ItsPkiItss {
utPort.send(p_init);
tc_wait.start;
alt {
[] utPort.receive(UtPkiResults: { utPkiInitializeResult := true }) {
tc_wait.stop;
log("*** f_utInitializeIut: INFO: IUT initialized ***");
}
[] utPort.receive {
tc_wait.stop;
log("*** f_utInitializeIut: INFO: IUT could not be initialized ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[] tc_wait.timeout {
log("*** f_utInitializeIut: INFO: IUT could not be initialized in time ***");
f_selfOrClientSyncAndVerdict("error", e_timeout);
}
}
} // End of function f_utInitializeIut
function f_sendUtTriggerEnrolmentRequestPrimitive(
in octetstring p_canonical_id := ''O,
in Oct1 p_enc_algorithm := '00'O,
in octetstring p_private_key := ''O,
in octetstring p_public_key_compressed := ''O,
in integer p_compressed_mode := 0
) runs on ItsPkiItss {
var TriggerEnrolmentRequest v_ut_trigger_enrolment_request;
var octetstring v_compressed_public_key;
if (p_compressed_mode == 2) { // TODO v_compressed_public_key := int2oct(p_compressed_mode, 1) & p_public_key_compressed?
v_compressed_public_key := '02'O & p_public_key_compressed;
} else {
v_compressed_public_key := '03'O & p_public_key_compressed;
}
v_ut_trigger_enrolment_request := { p_canonical_id, p_enc_algorithm, p_private_key, v_compressed_public_key };
utPort.send(UtPkiTrigger: { triggerEnrolmentRequest := v_ut_trigger_enrolment_request });
tc_ac.start;
alt {
[] utPort.receive(UtPkiResults: { utPkiTriggerResult := true }) {
tc_ac.stop;
}
[] utPort.receive(UtPkiResults: { utPkiTriggerResult := false }) {
tc_ac.stop;
log("*** f_sendUtTriggerEnrolmentRequestPrimitive: ERROR: Received unexpected message ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[] tc_ac.timeout {
log("*** f_sendAcPkiPrimitive: ERROR: Timeout while waiting for adapter control event result ***");
f_selfOrClientSyncAndVerdict("error", e_timeout);
}
} // End of 'alt' statement
} // End of function f_sendUtTriggerEnrolmentRequestPrimitive
function f_sendUtTriggerAuthorizationRequestPrimitive(
in octetstring p_canonical_id := ''O,
in Oct1 p_enc_algorithm := '00'O,
in octetstring p_private_key := ''O,
in octetstring p_public_key_compressed := ''O,
in integer p_compressed_mode := 0
) runs on ItsPkiItss {
var TriggerAuthorizationRequest v_ut_trigger_enrolment_request;
var octetstring v_compressed_public_key;
if (p_compressed_mode == 2) { // TODO v_compressed_public_key := int2oct(p_compressed_mode, 1) & p_public_key_compressed?
v_compressed_public_key := '02'O & p_public_key_compressed;
} else {
v_compressed_public_key := '03'O & p_public_key_compressed;
}
v_ut_trigger_enrolment_request := { p_canonical_id, p_enc_algorithm, p_private_key, v_compressed_public_key };
utPort.send(UtPkiTrigger: { triggerAuthorizationRequest := v_ut_trigger_enrolment_request });
tc_ac.start;
alt {
[] utPort.receive(UtPkiResults: { utPkiTriggerResult := true }) {
tc_ac.stop;
}
[] utPort.receive(UtPkiResults: { utPkiTriggerResult := false }) {
tc_ac.stop;
log("*** f_sendUtTriggerAuthorizationRequestPrimitive: ERROR: Received unexpected message ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[] tc_ac.timeout {
log("*** f_sendAcPkiPrimitive: ERROR: Timeout while waiting for adapter control event result ***");
f_selfOrClientSyncAndVerdict("error", e_timeout);
}
} // End of 'alt' statement
} // End of function f_sendUtTriggerAuthorizationRequestPrimitive
YannGarcia
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function f_sendUtTriggerUpdateEctl(template (value) charstring p_ectl_uri) runs on ItsPkiItss {
utPort.send(UtPkiTrigger: { triggerUpdateEctl := { ectl_uri := p_ectl_uri } });
tc_wait.start;
alt {
[] utPort.receive(UtPkiResults: { utPkiTriggerResult := true }) {
tc_wait.stop;
log("*** f_sendUtTriggerUpdateEctl: INFO: IUT has updated ECTL ***");
}
[] utPort.receive {
tc_wait.stop;
log("*** f_sendUtTriggerUpdateEctl: INFO: IUT could not update ECTL ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[] tc_wait.timeout {
log("*** f_sendUtTriggerUpdateEctl: INFO: IUT could not update ECTL in time ***");
f_selfOrClientSyncAndVerdict("error", e_timeout);
}
}
} // End of function f_sendUtTriggerUpdateEctl
function f_sendUtTriggerRequestForTlmCtl(template (value) charstring p_tlm_ctl_uri) runs on ItsPkiItss {
utPort.send(UtPkiTrigger: { triggerRequestForTlmCtl := { tlm_ctl_uri := p_tlm_ctl_uri } });
tc_wait.start;
alt {
[] utPort.receive(UtPkiResults: { utPkiTriggerResult := true }) {
tc_wait.stop;
log("*** f_sendUtTriggerRequestForTlmCtl: INFO: IUT has updated ECTL ***");
}
[] utPort.receive {
tc_wait.stop;
log("*** f_sendUtTriggerRequestForTlmCtl: INFO: IUT could not update ECTL ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[] tc_wait.timeout {
log("*** f_sendUtTriggerRequestForTlmCtl: INFO: IUT could not update ECTL in time ***");
f_selfOrClientSyncAndVerdict("error", e_timeout);
}
}
} // End of function f_sendUtTriggerRequestForTlmCtl
function f_sendUtTriggerRequestForRcaCtl(template (value) charstring p_tlm_ctl_uri) runs on ItsPkiItss {
utPort.send(UtPkiTrigger: { triggerRequestForRcaCtl := { tlm_ctl_uri := p_tlm_ctl_uri } });
tc_wait.start;
alt {
[] utPort.receive(UtPkiResults: { utPkiTriggerResult := true }) {
tc_wait.stop;
log("*** f_sendUtTriggerRequestForRcaCtl: INFO: IUT has updated ECTL ***");
}
[] utPort.receive {
tc_wait.stop;
log("*** f_sendUtTriggerRequestForRcaCtl: INFO: IUT could not update ECTL ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[] tc_wait.timeout {
log("*** f_sendUtTriggerRequestForRcaCtl: INFO: IUT could not update ECTL in time ***");
f_selfOrClientSyncAndVerdict("error", e_timeout);
}
}
} // End of function f_sendUtTriggerRequestForRcaCtl
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} // End of group ut_port
group helpers {
function f_generate_key_pair(
out octetstring p_private_key,
out octetstring p_public_key_x,
out octetstring p_public_key_y,
out octetstring p_public_key_compressed,
out integer p_compressed_mode
) return boolean {
log(">>> f_generate_key_pair: PX_VE_ALG=", PX_VE_ALG);
if (PX_VE_ALG == e_nist_p256) {
f_generate_key_pair_nistp256(p_private_key, p_public_key_x, p_public_key_y, p_public_key_compressed, p_compressed_mode);
} else if (PX_VE_ALG == e_brainpool_p256_r1) {
f_generate_key_pair_brainpoolp256r1(p_private_key, p_public_key_x, p_public_key_y, p_public_key_compressed, p_compressed_mode);
} else if (PX_VE_ALG == e_brainpool_p384_r1) {
f_generate_key_pair_brainpoolp384r1(p_private_key, p_public_key_x, p_public_key_y, p_public_key_compressed, p_compressed_mode);
} else {
// error
return false;
}
log("<<< f_generate_key_pair: p_compressed_mode=", p_compressed_mode);
return true;
}
function f_generate_key_pair_for_encryption(
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out octetstring p_private_key,
out octetstring p_public_key_x,
out octetstring p_public_key_y,
out octetstring p_public_key_compressed,
out integer p_compressed_mode
) return boolean {
if (p_algorithm == e_nist_p256) {
f_generate_key_pair_nistp256(p_private_key, p_public_key_x, p_public_key_y, p_public_key_compressed, p_compressed_mode);
} else if (p_algorithm == e_brainpool_p256_r1) {
f_generate_key_pair_brainpoolp256r1(p_private_key, p_public_key_x, p_public_key_y, p_public_key_compressed, p_compressed_mode);
} else {
// error
return false;
}
return true;
}
function f_http_send(
in Headers p_headers,
in template (value) HttpMessage p_http_message
) runs on ItsPkiHttp {
log(">>> f_http_send: ", p_http_message);
if (not(PICS_MULTIPLE_END_POINT)) {
httpPort.send(p_http_message);
} else {
var charstring_list v_content_text;
f_get_header(p_headers, c_header_content_text, v_content_text);
if (not(isvalue(v_content_text))) {
log("f_http_send: Failed to send message: header not found: ", c_header_content_text);
return;
}
if (v_content_text == { "inner_ec_request" }) {
log("f_http_send: Send on EC end point");
f_set_headers_list({ c_header_host }, { PICS_HEADER_HOST_EC }, p_headers);
if (ischosen(p_http_message.request)) {
p_http_message.request.header := p_headers;
} else {
p_http_message.response.header := p_headers;
}
httpEcPort.send(p_http_message);
} else if (v_content_text == { "inner_atv_request" }) {
log("f_http_send: Send on ATV end point");
f_set_headers_list({ c_header_host }, { PICS_HEADER_HOST_ATV }, p_headers);
if (ischosen(p_http_message.request)) {
p_http_message.request.header := p_headers;
} else {
p_http_message.response.header := p_headers;
}
httpAtVPort.send(p_http_message);
} else if (v_content_text == { "inner_atv_response" }) {
log("f_http_send: Send on ATV end point");
f_set_headers_list({ c_header_host }, { PICS_HEADER_HOST_ATV }, p_headers);
if (ischosen(p_http_message.request)) {
p_http_message.request.header := p_headers;
} else {
p_http_message.response.header := p_headers;
}
httpAtVPort.send(p_http_message);
} else if (v_content_text == { "inner_at_request" }) {
log("f_http_send: Send on AT end point");
f_set_headers_list({ c_header_host }, { PICS_HEADER_HOST_AT }, p_headers);
if (ischosen(p_http_message.request)) {
p_http_message.request.header := p_headers;
} else {
p_http_message.response.header := p_headers;
}
httpAtPort.send(p_http_message);
} else if (v_content_text == { "ca_request" }) {
log("f_http_send: Send on CA end point");
f_set_headers_list({ c_header_host }, { PICS_HEADER_HOST_CA }, p_headers);
if (ischosen(p_http_message.request)) {
p_http_message.request.header := p_headers;
} else {
p_http_message.response.header := p_headers;
}
httpCaPort.send(p_http_message);
} else if (v_content_text == { "ca_response" }) {
log("f_http_send: Send on CA end point");
f_set_headers_list({ c_header_host }, { PICS_HEADER_HOST_CA }, p_headers);
if (ischosen(p_http_message.request)) {
p_http_message.request.header := p_headers;
} else {
p_http_message.response.header := p_headers;
}
httpCaPort.send(p_http_message);
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} else if (v_content_text == { "tlm_request" }) {
log("f_http_send: Send on TLM end point");
f_set_headers_list({ c_header_host }, { PICS_HEADER_HOST_TLM }, p_headers);
if (ischosen(p_http_message.request)) {
p_http_message.request.header := p_headers;
} else {
p_http_message.response.header := p_headers;
}
httpTlmPort.send(p_http_message);
} else {
log("f_http_send: Invalid header value: ", v_content_text);
}
}
} // End of function f_http_send
function f_generate_key_tag(
in octetstring p_public_key_compressed,
in integer p_compressed_key_mode,
in octetstring p_public_compressed_enc_key,
in integer p_compressed_enc_key_mode,
out octetstring p_encoded_tag
) return boolean {
// Local variables
var PublicVerificationKey v_verification_tag;
var PublicEncryptionKey v_encryption_tag;
log(">>> f_generate_key_tag: p_public_key_compressed=", p_public_key_compressed);
log(">>> f_generate_key_tag: p_public_compressed_enc_key=", p_public_compressed_enc_key);
if (PX_VE_ALG == e_nist_p256) {
if (p_compressed_key_mode == 0) {
v_verification_tag.ecdsaNistP256.compressed_y_0 := p_public_key_compressed;
} else {
v_verification_tag.ecdsaNistP256.compressed_y_1 := p_public_key_compressed;
}
} else if (PX_VE_ALG == e_brainpool_p256_r1) {
if (p_compressed_key_mode == 0) {
v_verification_tag.ecdsaBrainpoolP256r1.compressed_y_0 := p_public_key_compressed;
} else {
v_verification_tag.ecdsaBrainpoolP256r1.compressed_y_1 := p_public_key_compressed;
}
} else if (PX_VE_ALG == e_brainpool_p384_r1) {
if (p_compressed_key_mode == 0) {
v_verification_tag.ecdsaBrainpoolP384r1.compressed_y_0 := p_public_key_compressed;
} else {
v_verification_tag.ecdsaBrainpoolP384r1.compressed_y_1 := p_public_key_compressed;
}
} else {
log("f_generate_key_tag: Failed to generate HMAC tag");
return false;
}
log("f_generate_key_tag: v_verification_tag= ", v_verification_tag);
p_encoded_tag := bit2oct(encvalue(v_verification_tag));
if (PX_INCLUDE_ENCRYPTION_KEYS) {
v_encryption_tag.supportedSymmAlg := aes128Ccm;
if (PX_EC_ALG_FOR_EC_SIGN == e_nist_p256) {
if (p_compressed_enc_key_mode == 0) {
v_encryption_tag.publicKey.eciesNistP256.compressed_y_0 := p_public_compressed_enc_key;
} else {
v_encryption_tag.publicKey.eciesNistP256.compressed_y_1 := p_public_compressed_enc_key;
}
} else if (PX_EC_ALG_FOR_EC_SIGN == e_brainpool_p256_r1) {
if (p_compressed_enc_key_mode == 0) {
v_encryption_tag.publicKey.eciesBrainpoolP256r1.compressed_y_0 := p_public_compressed_enc_key;
} else {
v_encryption_tag.publicKey.eciesBrainpoolP256r1.compressed_y_1 := p_public_compressed_enc_key;
}
} else {
log("f_generate_key_tag: Failed to generate HMAC tag (enc)");
return false;
}
log("f_generate_key_tag: v_encryption_tag= ", v_encryption_tag);
p_encoded_tag := p_encoded_tag & bit2oct(encvalue(v_encryption_tag));
}
return true;
} // End of function f_generate_key_tag
} // End of group helpers
group http { // TODO Split into EnnerEc, Authorization & AuthorizationValidation
function f_http_build_inner_ec_request( // TODO Cleanup parameters
out octetstring p_private_key,
out octetstring p_public_key_compressed,
out integer p_compressed_mode,
out Oct16 p_aes_sym_key,
out Oct16 p_encrypted_sym_key,
out Oct16 p_authentication_vector,
out Oct12 p_nonce,
out octetstring p_salt,
out Ieee1609Dot2Data p_ieee1609dot2_signed_and_encrypted_data,
out Oct32 p_request_hash
) runs on ItsPkiHttp {
var InnerEcRequest v_inner_ec_request;
var Ieee1609Dot2Data v_inner_ec_request_signed_for_pop;
var octetstring v_public_enc_key;
var integer v_compressed_enc_key_mode;
var boolean v_result;
log(">>> f_http_build_inner_ec_request");
log ("f_http_build_inner_ec_request: vc_ec_keys_counter: ", vc_ec_keys_counter);
log ("f_http_build_inner_ec_request: vc_ec_private_keys: ", vc_ec_private_keys);
log ("f_http_build_inner_ec_request: vc_ec_counter: ", vc_ec_counter);
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if (f_generate_inner_ec_request(p_private_key, p_public_key_compressed, p_compressed_mode, v_inner_ec_request) == false) {
log("*** f_http_build_inner_ec_request: ERROR: Failed to generate InnerEcRequest ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
log ("f_http_build_inner_ec_request: ==> EC verification private key: ", p_private_key);
log ("f_http_build_inner_ec_request: ==> EC verification public compressed key: ", p_public_key_compressed);
log ("f_http_build_inner_ec_request: ==> EC verification public compressed mode: ", p_compressed_mode);
// TODO Store enrolment keys for re-enrolment
vc_ec_private_keys[vc_ec_keys_counter] := p_private_key;
vc_ec_public_compressed_key[vc_ec_keys_counter] := p_public_key_compressed;
vc_ec_compressed_modes[vc_ec_keys_counter] := p_compressed_mode;
vc_ec_keys_counter := vc_ec_keys_counter + 1;
// Generate InnerEcRequestSignedForPoP
if (f_generate_inner_ec_request_signed_for_pop(p_private_key, v_inner_ec_request, v_inner_ec_request_signed_for_pop) == false) {
log("*** f_http_build_inner_ec_request: ERROR: Failed to generate InnerEcRequestSignedForPop ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
log("f_http_build_inner_ec_request: v_inner_ec_request_signed_for_pop= ", v_inner_ec_request_signed_for_pop);
// Secure InnerEcRequestSignedForPoP message
if (f_extract_enc_key(vc_eaCertificate, v_public_enc_key, v_compressed_enc_key_mode) == false) {
log("*** f_http_build_inner_ec_request: ERROR: Non canonical EA certificate ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
log("f_http_build_inner_ec_request: Public encryption key: ", v_public_enc_key);
log("f_http_build_inner_ec_request: Public encryption key comp: ", v_compressed_enc_key_mode);
p_salt := vc_eaWholeHash256; // IEEE 1609.2: If the encryption key was obtained from a certificate c, P1 is SHA-256 (c), where c is the COER encoding of the certificate, canonicalized per 6.4.3.
log("f_http_build_inner_ec_request: vc_ec_keys_counter: ", vc_ec_keys_counter);
if ((PICS_SECPKI_REENROLMENT == false) or (vc_ec_keys_counter == 1)) { // This is the first enrolment, we used Factory keys
var octetstring v_private_key;
if (PX_VE_ALG == e_nist_p256) {
v_private_key := PICS_ITS_S_SIGN_NITSP256_PRIVATE_KEY;
} else if (PX_VE_ALG == e_brainpool_p256_r1) {
v_private_key := PICS_ITS_S_SIGN_BRAINPOOLP256r1_PRIVATE_KEY;
} else {
v_private_key := PICS_ITS_S_SIGN_BRAINPOOLP384r1_PRIVATE_KEY;
}
v_result := f_build_pki_secured_request_message_signed_with_pop(v_private_key, valueof(m_signerIdentifier_self), vc_eaHashedId8/*recipientId*/, v_public_enc_key, v_compressed_enc_key_mode, p_salt, bit2oct(encvalue(m_etsiTs102941Data_inner_ec_request_signed_for_pop(v_inner_ec_request_signed_for_pop))), PX_EC_ALG_FOR_EC, -, p_ieee1609dot2_signed_and_encrypted_data, p_aes_sym_key, p_encrypted_sym_key, p_authentication_vector, p_nonce, p_request_hash);
} else { // We use last valid EC certificate
// TODO Retrieve EC certificate from the first enrolment instead of PX
log("f_http_build_inner_ec_request: v_ec_private_key: ", vc_ec_private_keys[vc_ec_keys_counter - 1]);
log("f_http_build_inner_ec_request: v_ec_public_compressed_key: ", vc_ec_public_compressed_key[vc_ec_keys_counter - 1]);
log("f_http_build_inner_ec_request: v_ec_compressed_modes: ", vc_ec_compressed_modes[vc_ec_keys_counter - 1]);
log("f_http_build_inner_ec_request: v_ec_hashed_id8: ", vc_ec_hashed_id8[vc_ec_keys_counter - 1]);
v_result := f_build_pki_secured_request_message_signed_with_pop(vc_ec_private_keys[vc_ec_keys_counter - 1], valueof(m_signerIdentifier_digest(vc_ec_hashed_id8[vc_ec_keys_counter - 1])), vc_ec_hashed_id8[vc_ec_keys_counter - 1]/*recipientId*/, v_public_enc_key, v_compressed_enc_key_mode, p_salt, bit2oct(encvalue(m_etsiTs102941Data_inner_ec_request_signed_for_pop(v_inner_ec_request_signed_for_pop))), PX_EC_ALG_FOR_EC, -, p_ieee1609dot2_signed_and_encrypted_data, p_aes_sym_key, p_encrypted_sym_key, p_authentication_vector, p_nonce, p_request_hash);
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}
if (v_result == false) {
log("*** f_http_build_inner_ec_request: ERROR: Failed to generate InnerEcRequestSignedForPop ***");
f_selfOrClientSyncAndVerdict("error", e_error);
} else {
log("f_http_build_inner_ec_request: p_ieee1609dot2_signed_and_encrypted_data= ", p_ieee1609dot2_signed_and_encrypted_data);
log("f_http_build_inner_ec_request: p_request_hash= ", p_request_hash);
}
} // End of function f_http_build_inner_ec_request
function f_http_build_inner_ec_request_with_wrong_parameters( // TODO Cleanup parameters
in SequenceOfPsidSsp p_appPermissions,
in octetstring p_canonical_id := PICS_ITS_S_CANONICAL_ID,
in Time32 p_start,
in Duration p_duration,
in boolean p_alter_private_key := false,
out octetstring p_private_key,
out octetstring p_public_key_compressed,
out integer p_compressed_mode,
out Oct16 p_aes_sym_key,
out Oct16 p_encrypted_sym_key,
out Oct16 p_authentication_vector,
out Oct12 p_nonce,
out octetstring p_salt,
out Ieee1609Dot2Data p_ieee1609dot2_signed_and_encrypted_data,
out Oct32 p_request_hash
) runs on ItsPkiHttp {
var InnerEcRequest v_inner_ec_request;
var Ieee1609Dot2Data v_inner_ec_request_signed_for_pop;
var octetstring v_public_enc_key;
var integer v_compressed_enc_key_mode;
var boolean v_result;
log(">>> f_http_build_inner_ec_request_with_wrong_parameters");
if (f_generate_inner_ec_request_with_wrong_parameters(p_appPermissions, p_canonical_id, p_start, p_duration, p_alter_private_key, p_private_key, p_public_key_compressed, p_compressed_mode, v_inner_ec_request) == false) {
log("*** f_http_build_inner_ec_request_with_wrong_parameters: ERROR: Failed to generate InnerEcRequest ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
log ("f_http_build_inner_ec_request_with_wrong_parameters: ==> EC verification private key: ", p_private_key);
log ("f_http_build_inner_ec_request_with_wrong_parameters: ==> EC verification public compressed key: ", p_public_key_compressed);
log ("f_http_build_inner_ec_request_with_wrong_parameters: ==> EC verification public compressed mode: ", p_compressed_mode);
// Generate InnerEcRequestSignedForPoP
if (f_generate_inner_ec_request_signed_for_pop(p_private_key, v_inner_ec_request, v_inner_ec_request_signed_for_pop) == false) {
log("*** f_http_build_inner_ec_request_with_wrong_parameters: ERROR: Failed to generate InnerEcRequestSignedForPop ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
log("f_http_build_inner_ec_request_with_wrong_parameters: v_inner_ec_request_signed_for_pop= ", v_inner_ec_request_signed_for_pop);
// Secure InnerEcRequestSignedForPoP message
if (f_extract_enc_key(vc_eaCertificate, v_public_enc_key, v_compressed_enc_key_mode) == false) {
log("*** f_http_build_inner_ec_request_with_wrong_parameters: ERROR: Non canonical EA certificate ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
log("f_http_build_inner_ec_request_with_wrong_parameters: Public encryption key: ", v_public_enc_key);
log("f_http_build_inner_ec_request_with_wrong_parameters: Public encryption key comp: ", v_compressed_enc_key_mode);
p_salt := vc_eaWholeHash256; // IEEE 1609.2: If the encryption key was obtained from a certificate c, P1 is SHA-256 (c), where c is the COER encoding of the certificate, canonicalized per 6.4.3.
var octetstring v_private_key;
if (PX_VE_ALG == e_nist_p256) {
v_private_key := PICS_ITS_S_SIGN_NITSP256_PRIVATE_KEY;
} else if (PX_VE_ALG == e_brainpool_p256_r1) {
v_private_key := PICS_ITS_S_SIGN_BRAINPOOLP256r1_PRIVATE_KEY;
} else {
v_private_key := PICS_ITS_S_SIGN_BRAINPOOLP384r1_PRIVATE_KEY;
v_result := f_build_pki_secured_request_message_signed_with_pop(v_private_key, valueof(m_signerIdentifier_self), vc_eaHashedId8/*recipientId*/, v_public_enc_key, v_compressed_enc_key_mode, p_salt, bit2oct(encvalue(m_etsiTs102941Data_inner_ec_request_signed_for_pop(v_inner_ec_request_signed_for_pop))), PX_EC_ALG_FOR_EC, -, p_ieee1609dot2_signed_and_encrypted_data, p_aes_sym_key, p_encrypted_sym_key, p_authentication_vector, p_nonce, p_request_hash);
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if (v_result == false) {
log("*** f_http_build_inner_ec_request_with_wrong_parameters: ERROR: Failed to generate InnerEcRequestSignedForPop ***");
f_selfOrClientSyncAndVerdict("error", e_error);
} else {
log("f_http_build_inner_ec_request_with_wrong_parameters: p_ieee1609dot2_signed_and_encrypted_data= ", p_ieee1609dot2_signed_and_encrypted_data);
log("f_http_build_inner_ec_request_with_wrong_parameters: p_request_hash= ", p_request_hash);
}
} // End of function f_http_build_inner_ec_request_with_wrong_parameters
function f_http_build_invalid_enrolment_request(
out octetstring p_private_key,
out octetstring p_public_key_compressed,
out integer p_compressed_mode,
out Oct16 p_aes_sym_key,
out Oct16 p_encrypted_sym_key,
out Oct16 p_authentication_vector,
out Oct12 p_nonce,
out octetstring p_salt,
out Ieee1609Dot2Data p_ieee1609dot2_signed_and_encrypted_data,
out Oct32 p_request_hash
) runs on ItsPkiHttp {
var InnerEcRequest v_inner_ec_request;
var Ieee1609Dot2Data v_inner_ec_request_signed_for_pop;
var octetstring v_public_enc_key;
var integer v_compressed_enc_key_mode;
var boolean v_ret_code;
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if (f_generate_inner_ec_request(p_private_key, p_public_key_compressed, p_compressed_mode, v_inner_ec_request) == false) {
log("*** f_http_build_invalid_enrolment_request: ERROR: Failed to generate InnerEcRequest ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
log ("f_http_build_invalid_enrolment_request: EC verification private key: ", p_private_key);
log ("f_http_build_invalid_enrolment_request: EC verification public compressed key: ", p_public_key_compressed);
log ("f_http_build_invalid_enrolment_request: EC verification public compressed mode: ", p_compressed_mode);
// Generate InnerEcRequestSignedForPoP
if (f_generate_inner_ec_request_signed_for_pop(p_private_key, v_inner_ec_request, v_inner_ec_request_signed_for_pop) == false) {
log("*** f_http_build_invalid_enrolment_request: ERROR: Failed to generate InnerEcRequestSignedForPop ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
log("f_http_build_invalid_enrolment_request: v_inner_ec_request_signed_for_pop= ", v_inner_ec_request_signed_for_pop);
// Modify signature to get an error
if (ischosen(v_inner_ec_request_signed_for_pop.content.signedData.signature_.ecdsaNistP256Signature)) {
v_inner_ec_request_signed_for_pop.content.signedData.signature_.ecdsaNistP256Signature.sSig[1] := bit2oct('10101010'B xor4b oct2bit(v_inner_ec_request_signed_for_pop.content.signedData.signature_.ecdsaNistP256Signature.sSig[1]));
} else if (ischosen(v_inner_ec_request_signed_for_pop.content.signedData.signature_.ecdsaBrainpoolP256r1Signature)) {
v_inner_ec_request_signed_for_pop.content.signedData.signature_.ecdsaBrainpoolP256r1Signature.sSig[1] := bit2oct('10101010'B xor4b oct2bit(v_inner_ec_request_signed_for_pop.content.signedData.signature_.ecdsaBrainpoolP256r1Signature.sSig[1]));
} else {
v_inner_ec_request_signed_for_pop.content.signedData.signature_.ecdsaBrainpoolP384r1Signature.sSig[1] := bit2oct('10101010'B xor4b oct2bit(v_inner_ec_request_signed_for_pop.content.signedData.signature_.ecdsaBrainpoolP384r1Signature.sSig[1]));
}
// Secure InnerEcRequestSignedForPoP message
if (f_extract_enc_key(vc_eaCertificate, v_public_enc_key, v_compressed_enc_key_mode) == false) {
log("*** f_http_build_invalid_enrolment_request: ERROR: Non canonical EA certificate ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
log("*** f_http_build_invalid_enrolment_request: Public encryption key: ", v_public_enc_key);
log("*** f_http_build_invalid_enrolment_request: Public encryption key comp: ", v_compressed_enc_key_mode);
p_salt := vc_eaWholeHash256; // IEEE 1609.2: If the encryption key was obtained from a certificate c, P1 is SHA-256 (c), where c is the COER encoding of the certificate, canonicalized per 6.4.3.
if (PX_VE_ALG == e_nist_p256) {
v_private_key := PICS_ITS_S_SIGN_NITSP256_PRIVATE_KEY;
} else if (PX_VE_ALG == e_brainpool_p256_r1) {
v_private_key := PICS_ITS_S_SIGN_BRAINPOOLP256r1_PRIVATE_KEY;
} else {
v_private_key := PICS_ITS_S_SIGN_BRAINPOOLP384r1_PRIVATE_KEY;
v_ret_code := f_build_pki_secured_request_message_signed_with_pop(v_private_key, valueof(m_signerIdentifier_self), vc_eaHashedId8/*recipientId*/, v_public_enc_key, v_compressed_enc_key_mode, p_salt, bit2oct(encvalue(m_etsiTs102941Data_inner_ec_request_signed_for_pop(v_inner_ec_request_signed_for_pop))), PX_EC_ALG_FOR_EC, -, p_ieee1609dot2_signed_and_encrypted_data, p_aes_sym_key, p_encrypted_sym_key, p_authentication_vector, p_nonce, p_request_hash);
if (v_ret_code == false) {
log("*** f_http_build_invalid_enrolment_request: ERROR: Failed to generate InnerEcRequestSignedForPop ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
log("*** f_http_build_invalid_enrolment_request: DEBUG: p_ieee1609dot2_signed_and_encrypted_data = ", p_ieee1609dot2_signed_and_encrypted_data);
} // End of function f_http_build_invalid_enrolment_request
function f_http_build_inner_ec_response(
in template (omit) InnerEcRequest p_inner_ec_request := omit,
in EnrolmentResponseCode p_responseCode := ok,
in Oct16 p_request_hash,
in octetstring p_private_key := ''O,
in octetstring p_digest := ''O,
in Oct16 p_aes_sym_key,
out EtsiTs103097Certificate p_ec_certificate,
out HashedId8 p_ec_certificate_hashed_id8,
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out InnerEcResponse p_inner_ec_response,
out Ieee1609Dot2Data p_ieee1609dot2_signed_and_encrypted_data
) return boolean {
// Local variables
var bitstring v_msg_bit;
var octetstring v_msg;
var Oct12 v_nonce;
var Ieee1609Dot2Data v_ieee1609dot2_signed_data;
var boolean p_result := false;
log(">>> f_http_build_inner_ec_response: p_inner_ec_request= ", p_inner_ec_request);
log(">>> f_http_build_inner_ec_response: p_responseCode= ", p_responseCode);
log(">>> f_http_build_inner_ec_response: p_request_hash= ", p_request_hash);
log(">>> f_http_build_inner_ec_response: p_private_key= ", p_private_key);
log(">>> f_http_build_inner_ec_response: p_digest= ", p_digest);
log(">>> f_http_build_inner_ec_response: p_aes_sym_key= ", p_aes_sym_key);
// Check expectred response
if (p_responseCode != ok) {
p_inner_ec_response := valueof(
m_innerEcResponse_ko(
p_request_hash,
p_responseCode
)
);
p_result := true;
} else {
// Generate the certificate
if (f_generate_ec_certificate_for_inner_ec_response(valueof(p_inner_ec_request), p_private_key, p_digest, p_ec_certificate, p_ec_certificate_hashed_id8) == false) {
log("f_http_build_inner_ec_response: Failed to generate the certificate");
p_inner_ec_response := valueof(
m_innerEcResponse_ko(
p_request_hash,
incompleterequest
)
);
} else {
p_inner_ec_response := valueof(
m_innerEcResponse_ok(
p_request_hash,
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)
);
}
}
// Secure the response
log("f_http_build_inner_ec_response: p_inner_ec_response= ", p_inner_ec_response);
v_msg := bit2oct(encvalue(m_etsiTs102941Data_inner_ec_response(p_inner_ec_response)));
v_nonce := substr(f_hashWithSha256(int2oct((f_getCurrentTimeUtc() * 1000), 16)), 0, 12); // Random value
// TODO Consider Sha384: m_signerIdentifier_digest(f_hashedId8FromSha384(p_digest))
if (f_build_pki_secured_response_message(p_private_key,
valueof(m_signerIdentifier_digest(f_hashedId8FromSha256(p_digest))),// in SignerIdentifier p_signer_identifier,
v_msg,
p_aes_sym_key,
v_nonce,
p_ieee1609dot2_signed_and_encrypted_data
) == false) {
log("f_http_build_inner_ec_response: Failed to generate the certificate");
p_inner_ec_response := valueof(
m_innerEcResponse_ko(
p_request_hash,
deniedrequest
)
);
} else {
p_result := true;
}
return p_result;
} // End of function f_http_build_inner_ec_response
function f_http_build_authorization_request(
in Certificate p_ec_certificate, // Enrolment credentials certificate
in octetstring p_ec_private_key,
out octetstring p_private_key,
out octetstring p_public_key_compressed,
out integer p_compressed_key_mode,
out octetstring p_private_enc_key,
out octetstring p_public_compressed_enc_key,
out integer p_compressed_enc_key_mode,
out Oct16 p_aes_sym_key,
out Oct16 p_encrypted_sym_key,
out Oct16 p_authentication_vector,
out Oct12 p_nonce,
out octetstring p_salt,
out Ieee1609Dot2Data p_ieee1609dot2_signed_and_encrypted_data,
out Oct32 p_request_hash
) runs on ItsPkiHttp {
// Local variables
var octetstring v_public_key_x;
var octetstring v_public_key_y;
var octetstring v_public_enc_key_x;
var octetstring v_public_enc_key_y;
var octetstring v_public_enc_key;
var integer v_compressed_enc_key_mode;
var InnerAtRequest v_inner_at_request;
var Ieee1609Dot2Data v_inner_at_request_data;
var InnerAtRequest v_authorization_request;
var bitstring v_authorization_request_msg;
// Generate the InnerAtRequest
if (f_generate_inner_at_request(vc_aaCertificate, -, vc_aaHashedId8, vc_eaCertificate, vc_eaWholeHash/*salt*/, vc_eaHashedId8, p_ec_certificate, p_ec_private_key, p_private_key, p_public_key_compressed, p_compressed_key_mode, p_private_enc_key, p_public_compressed_enc_key, p_compressed_enc_key_mode, v_inner_at_request) == false) {
log("*** f_http_build_authorization_request: ERROR: Failed to generate AuthorizationRequest ***");
f_selfOrClientSyncAndVerdict("error", e_error);
return;
}
log("f_http_build_authorization_request: v_inner_at_request= ", v_inner_at_request);
// Secure InnerAtRequest message
if (f_extract_enc_key(vc_aaCertificate, v_public_enc_key, v_compressed_enc_key_mode) == false) {
log("*** f_http_build_authorization_request: ERROR: Non canonical AA certificate ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
log("*** f_http_build_authorization_request: Public encryption key: ", v_public_enc_key);
log("*** f_http_build_authorization_request: Public encryption key comp: ", v_compressed_enc_key_mode);
p_salt := vc_aaWholeHash256; // IEEE 1609.2: If the encryption key was obtained from a certificate c, P1 is SHA-256 (c), where c is the COER encoding of the certificate, canonicalized per 6.4.3.
log("*** f_http_build_authorization_request: p_salt: ", p_salt);
if (PICS_PKI_AUTH_POP) {
if(f_build_pki_secured_request_message_signed_with_pop(p_private_key, valueof(m_signerIdentifier_self), vc_aaHashedId8/*recipientId*/, v_public_enc_key, v_compressed_enc_key_mode, p_salt, bit2oct(encvalue(m_etsiTs102941Data_authorization_request(v_inner_at_request))), PX_EC_ALG_FOR_AT, -, p_ieee1609dot2_signed_and_encrypted_data, p_aes_sym_key, p_encrypted_sym_key, p_authentication_vector, p_nonce, p_request_hash) == false) {
log("*** f_http_build_authorization_request: ERROR: Failed to generate Authorization Request ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
} else { // Only encryption of EtsiTs102941Data/InnerAtRequest
log("*** f_http_build_authorization_request: POP signature not applied");
if(f_build_pki_secured_request_message_for_authorization(vc_aaHashedId8/*recipientId*/, v_public_enc_key, v_compressed_enc_key_mode, p_salt, bit2oct(encvalue(m_etsiTs102941Data_authorization_request(v_inner_at_request))), PX_EC_ALG_FOR_AT, p_ieee1609dot2_signed_and_encrypted_data, p_aes_sym_key, p_encrypted_sym_key, p_authentication_vector, p_nonce, p_request_hash) == false) {
log("*** f_http_build_authorization_request: ERROR: Failed to generate Authorization Request ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
}
log("<<< f_http_build_authorization_request: DEBUG: p_ieee1609dot2_signed_and_encrypted_data= ", p_ieee1609dot2_signed_and_encrypted_data);
log("<<< f_http_build_authorization_request: DEBUG: p_request_hash= ", p_request_hash);
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} // End of function f_http_build_authorization_request
function f_http_build_authorization_request_with_wrong_private_key(
in Certificate p_ec_certificate, // Enrolment credentials certificate
in octetstring p_ec_private_key,
out octetstring p_private_key,
out octetstring p_public_key_compressed,
out integer p_compressed_key_mode,
out octetstring p_private_enc_key,
out octetstring p_public_compressed_enc_key,
out integer p_compressed_enc_key_mode,
out Oct16 p_aes_sym_key,
out Oct16 p_encrypted_sym_key,
out Oct16 p_authentication_vector,
out Oct12 p_nonce,
out octetstring p_salt,
out Ieee1609Dot2Data p_ieee1609dot2_signed_and_encrypted_data,
out Oct32 p_request_hash
) runs on ItsPkiHttp {
// Local variables
var octetstring v_public_key_x;
var octetstring v_public_key_y;
var octetstring v_public_enc_key_x;
var octetstring v_public_enc_key_y;
var octetstring v_public_enc_key;
var integer v_compressed_enc_key_mode;
var InnerAtRequest v_inner_at_request;
var Ieee1609Dot2Data v_inner_at_request_data;
var InnerAtRequest v_authorization_request;
var bitstring v_authorization_request_msg;
// Generate the InnerAtRequest
if (f_generate_inner_at_request(vc_aaCertificate, -, vc_aaHashedId8, vc_eaCertificate, vc_eaWholeHash/*salt*/, vc_eaHashedId8, p_ec_certificate, p_ec_private_key, p_private_key, p_public_key_compressed, p_compressed_key_mode, p_private_enc_key, p_public_compressed_enc_key, p_compressed_enc_key_mode, v_inner_at_request) == false) {
log("*** f_http_build_authorization_request_with_wrong_private_key: ERROR: Failed to generate AuthorizationRequest ***");
f_selfOrClientSyncAndVerdict("error", e_error);
return;
}
log("f_http_build_authorization_request_with_wrong_private_key: v_inner_at_request= ", v_inner_at_request);
// Secure InnerAtRequest message
/***
Use the wrong private key
***/
if (f_extract_enc_key(vc_eaCertificate/*Insted of vc_aaCertificate/*/, v_public_enc_key, v_compressed_enc_key_mode) == false) {
log("*** f_http_build_authorization_request_with_wrong_private_key: ERROR: Non canonical EA certificate ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
log("*** f_http_build_authorization_request_with_wrong_private_key: Public encryption key: ", v_public_enc_key);
log("*** f_http_build_authorization_request_with_wrong_private_key: Public encryption key comp: ", v_compressed_enc_key_mode);
p_salt := vc_aaWholeHash256; // IEEE 1609.2: If the encryption key was obtained from a certificate c, P1 is SHA-256 (c), where c is the COER encoding of the certificate, canonicalized per 6.4.3.
log("*** f_http_build_authorization_request_with_wrong_private_key: p_salt: ", p_salt);
if (PICS_PKI_AUTH_POP) {
if(f_build_pki_secured_request_message_signed_with_pop(p_private_key, valueof(m_signerIdentifier_self), vc_aaHashedId8/*recipientId*/, v_public_enc_key, v_compressed_enc_key_mode, p_salt, bit2oct(encvalue(m_etsiTs102941Data_authorization_request(v_inner_at_request))), PX_EC_ALG_FOR_AT, -, p_ieee1609dot2_signed_and_encrypted_data, p_aes_sym_key, p_encrypted_sym_key, p_authentication_vector, p_nonce, p_request_hash) == false) {
log("*** f_http_build_authorization_request_with_wrong_private_key: ERROR: Failed to generate Authorization Request ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
} else { // Only encryption of EtsiTs102941Data/InnerAtRequest
log("*** f_http_build_authorization_request_with_wrong_private_key: POP signature not applied");
if(f_build_pki_secured_request_message_for_authorization(vc_aaHashedId8/*recipientId*/, v_public_enc_key, v_compressed_enc_key_mode, p_salt, bit2oct(encvalue(m_etsiTs102941Data_authorization_request(v_inner_at_request))), PX_EC_ALG_FOR_AT, p_ieee1609dot2_signed_and_encrypted_data, p_aes_sym_key, p_encrypted_sym_key, p_authentication_vector, p_nonce, p_request_hash) == false) {
log("*** f_http_build_authorization_request_with_wrong_private_key: ERROR: Failed to generate Authorization Request ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
}
log("*** f_http_build_authorization_request_with_wrong_private_key: DEBUG: p_ieee1609dot2_signed_and_encrypted_data= ", p_ieee1609dot2_signed_and_encrypted_data);
log("*** f_http_build_authorization_request_with_wrong_private_key: DEBUG: p_request_hash= ", p_request_hash);
} // End of function f_http_build_authorization_request_with_wrong_private_key
function f_http_build_authorization_request_with_wrong_parameters(
in Certificate p_ec_certificate, // Enrolment credentials certificate
in octetstring p_ec_private_key,
in boolean p_alter_pop_signature := false,
in boolean p_alter_hmac := false,
in boolean p_alter_signer_digest := false,
in boolean p_alter_pks_recipient := false,
in boolean p_alter_enc_key := false,
in boolean p_alter_ea_id := false,
in template (omit) Time32 p_start := omit,
in template (omit) Duration p_duration := omit,
in template (omit) Time64 p_generation_time := omit,
out octetstring p_private_key,
out octetstring p_public_key_compressed,
out integer p_compressed_key_mode,
out octetstring p_private_enc_key,
out octetstring p_public_compressed_enc_key,
out integer p_compressed_enc_key_mode,
out Oct16 p_aes_sym_key,
out Oct16 p_encrypted_sym_key,
out Oct16 p_authentication_vector,
out Oct12 p_nonce,
out octetstring p_salt,
out Ieee1609Dot2Data p_ieee1609dot2_signed_and_encrypted_data,
out Oct32 p_request_hash
) runs on ItsPkiHttp {
// Local variables
var octetstring v_public_key_x;
var octetstring v_public_key_y;
var octetstring v_public_enc_key_x;
var octetstring v_public_enc_key_y;
var octetstring v_public_enc_key;
var integer v_compressed_enc_key_mode;
var InnerAtRequest v_inner_at_request;
var Ieee1609Dot2Data v_inner_at_request_data;
var InnerAtRequest v_authorization_request;
var bitstring v_authorization_request_msg;
var boolean v_ret_code;
// Generate the InnerAtRequest
if (p_alter_ea_id == true) {
var HashedId8 v_ea_hashed_id8 := vc_eaHashedId8;
v_ea_hashed_id8[0] := 'bb'O;
v_ea_hashed_id8[1] := 'cc'O;
log("f_http_build_authorization_request_with_wrong_parameters: Altered eaId= ", v_ea_hashed_id8);
v_ret_code := f_generate_inner_at_request(vc_aaCertificate, -, vc_aaHashedId8, vc_eaCertificate, vc_eaWholeHash/*salt*/, v_ea_hashed_id8, p_ec_certificate, p_ec_private_key, p_private_key, p_public_key_compressed, p_compressed_key_mode, p_private_enc_key, p_public_compressed_enc_key, p_compressed_enc_key_mode, v_inner_at_request);
} else {
v_ret_code := f_generate_inner_at_request_with_wrong_parameters(vc_aaCertificate, -, vc_aaHashedId8, vc_eaCertificate, vc_eaWholeHash/*salt*/, vc_eaHashedId8, p_ec_certificate, p_ec_private_key, p_alter_hmac, p_alter_signer_digest, p_start, p_duration, p_generation_time, p_private_key, p_public_key_compressed, p_compressed_key_mode, p_private_enc_key, p_public_compressed_enc_key, p_compressed_enc_key_mode, v_inner_at_request);
}
if (v_ret_code == false) {
log("*** f_http_build_authorization_request_with_wrong_parameters: ERROR: Failed to generate AuthorizationRequest ***");
f_selfOrClientSyncAndVerdict("error", e_error);
return;
}
log("f_http_build_authorization_request_with_wrong_parameters: v_inner_at_request= ", v_inner_at_request);
// Secure InnerAtRequest message
if (f_extract_enc_key(vc_aaCertificate, v_public_enc_key, v_compressed_enc_key_mode) == false) {
log("*** f_http_build_authorization_request_with_wrong_parameters: ERROR: Non canonical AA certificate ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
log("*** f_http_build_authorization_request_with_wrong_parameters: Public encryption key: ", v_public_enc_key);
log("*** f_http_build_authorization_request_with_wrong_parameters: Public encryption key comp: ", v_compressed_enc_key_mode);
p_salt := vc_aaWholeHash256; // IEEE 1609.2: If the encryption key was obtained from a certificate c, P1 is SHA-256 (c), where c is the COER encoding of the certificate, canonicalized per 6.4.3.
log("*** f_http_build_authorization_request_with_wrong_parameters: p_salt: ", p_salt);
if (PICS_PKI_AUTH_POP) {
if(f_build_pki_secured_request_message_signed_with_pop(p_private_key, valueof(m_signerIdentifier_self), vc_aaHashedId8/*recipientId*/, v_public_enc_key, v_compressed_enc_key_mode, p_salt, bit2oct(encvalue(m_etsiTs102941Data_authorization_request(v_inner_at_request))), PX_EC_ALG_FOR_AT, p_alter_pop_signature, p_ieee1609dot2_signed_and_encrypted_data, p_aes_sym_key, p_encrypted_sym_key, p_authentication_vector, p_nonce, p_request_hash) == false) {
log("*** f_http_build_authorization_request_with_wrong_parameters: ERROR: Failed to generate Authorization Request ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
} else { // Only encryption of EtsiTs102941Data/InnerAtRequest
log("*** f_http_build_authorization_request_with_wrong_parameters: POP signature not applied");
if(f_build_pki_secured_request_message_for_authorization(vc_aaHashedId8/*recipientId*/, v_public_enc_key, v_compressed_enc_key_mode, p_salt, bit2oct(encvalue(m_etsiTs102941Data_authorization_request(v_inner_at_request))), PX_EC_ALG_FOR_AT, p_ieee1609dot2_signed_and_encrypted_data, p_aes_sym_key, p_encrypted_sym_key, p_authentication_vector, p_nonce, p_request_hash) == false) {
log("*** f_http_build_authorization_request_with_wrong_parameters: ERROR: Failed to generate Authorization Request ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
}
log("*** f_http_build_authorization_request_with_wrong_parameters: DEBUG: p_ieee1609dot2_signed_and_encrypted_data= ", p_ieee1609dot2_signed_and_encrypted_data);
if (p_alter_enc_key == true) {
/***
Alter encryption key to prevent decryption
***/
if (ischosen(p_ieee1609dot2_signed_and_encrypted_data.content.encryptedData.recipients[0].certRecipInfo.encKey.eciesNistP256)) {
p_ieee1609dot2_signed_and_encrypted_data.content.encryptedData.recipients[0].certRecipInfo.encKey.eciesNistP256.c[1] := 'aa'O;
p_ieee1609dot2_signed_and_encrypted_data.content.encryptedData.recipients[0].certRecipInfo.encKey.eciesNistP256.c[2] := 'bb'O;
} else {
p_ieee1609dot2_signed_and_encrypted_data.content.encryptedData.recipients[0].certRecipInfo.encKey.eciesBrainpoolP256r1.c[1] := 'aa'O;
p_ieee1609dot2_signed_and_encrypted_data.content.encryptedData.recipients[0].certRecipInfo.encKey.eciesBrainpoolP256r1.c[2] := 'bb'O;
}
log("*** f_http_build_authorization_request_with_wrong_parameters: DEBUG: Altered enc key= ", p_ieee1609dot2_signed_and_encrypted_data);
}
if (p_alter_pks_recipient == true) {
p_ieee1609dot2_signed_and_encrypted_data.content.encryptedData.recipients[0].pskRecipInfo := int2oct(314259265, 8); // NOT equal to the HashedId8 of the certificate CERT_AA
log("*** f_http_build_authorization_request_with_wrong_parameters: DEBUG: Altered pskRecipInfo= ", p_ieee1609dot2_signed_and_encrypted_data);
}
log("*** f_http_build_authorization_request_with_wrong_parameters: DEBUG: p_request_hash= ", p_request_hash);
} // End of function f_http_build_authorization_request_with_wrong_parameters
function f_http_build_authorization_response(
in template (omit) InnerAtRequest p_inner_at_request := omit,
in AuthorizationResponseCode p_responseCode := ok,
in Oct16 p_request_hash,
in octetstring p_private_key := ''O,
in octetstring p_digest := ''O,
in Oct16 p_aes_sym_key,
out InnerAtResponse p_inner_at_response,
out Ieee1609Dot2Data p_ieee1609dot2_signed_and_encrypted_data
) return boolean {
// Local variables
var bitstring v_msg_bit;
var octetstring v_msg;
var Oct12 v_nonce;
var Ieee1609Dot2Data v_ieee1609dot2_signed_data;
var EtsiTs103097Certificate v_at_certificate;
var boolean p_result := false;
log(">>> f_http_build_authorization_response: p_inner_at_request= ", p_inner_at_request);
log(">>> f_http_build_authorization_response: p_responseCode= ", p_responseCode);
log(">>> f_http_build_authorization_response: p_request_hash= ", p_request_hash);
log(">>> f_http_build_authorization_response: p_private_key= ", p_private_key);
log(">>> f_http_build_authorization_response: p_digest= ", p_digest);
log(">>> f_http_build_authorization_response: p_aes_sym_key= ", p_aes_sym_key);
// Check expectred response
if (p_responseCode != ok) {
p_inner_at_response := valueof(
m_innerAtResponse_ko(
p_request_hash,
p_responseCode
)
);
p_result := true;
} else {
// Generate the certificate
if (f_generate_at_certificate_for_inner_at_response(valueof(p_inner_at_request), p_private_key, p_digest, v_at_certificate) == false) {
log("f_http_build_authorization_response: Failed to generate the certificate");
p_inner_at_response := valueof(
m_innerAtResponse_ko(
p_request_hash,
its_aa_incompleterequest
)
);
} else {
p_inner_at_response := valueof(
m_innerAtResponse_ok(
p_request_hash,
v_at_certificate
)
);
}
}
// Secure the response
log("f_http_build_authorization_response: p_inner_at_response= ", p_inner_at_response);
v_msg := bit2oct(encvalue(m_etsiTs102941Data_inner_at_response(p_inner_at_response)));
v_nonce := substr(f_hashWithSha256(int2oct((f_getCurrentTimeUtc() * 1000), 16)), 0, 12); // Random value
// TODO Consider Sha384: m_signerIdentifier_digest(f_hashedId8FromSha384(p_digest))
if (f_build_pki_secured_response_message(p_private_key,
valueof(m_signerIdentifier_digest(f_hashedId8FromSha256(p_digest))),// in SignerIdentifier p_signer_identifier,
v_msg,
p_aes_sym_key,
v_nonce,
p_ieee1609dot2_signed_and_encrypted_data
) == false) {
log("f_http_build_authorization_response: Failed to generate the certificate");
p_inner_at_response := valueof(
m_innerAtResponse_ko(
p_request_hash,
its_aa_deniedpermissions
)
);
} else {
p_result := true;
}
log("<<< f_http_build_authorization_response: p_result= ", p_result);
log("<<< f_http_build_authorization_response: p_inner_at_response= ", p_inner_at_response);
return p_result;
} // End of function f_http_build_authorization_response
function f_http_build_authorization_validation_request(
in InnerAtRequest p_inner_at_request,
in octetstring p_public_key_compressed,
in integer p_compressed_key_mode,
in octetstring p_private_enc_key,
in octetstring p_public_compressed_enc_key,
in integer p_compressed_enc_key_mode,
out Oct16 p_aes_sym_key,
out Oct16 p_encrypted_sym_key,
out Oct16 p_authentication_vector,
out Oct12 p_nonce,
out octetstring p_salt,
out Ieee1609Dot2Data p_ieee1609dot2_signed_and_encrypted_data,
out Oct32 p_request_hash
) runs on ItsPkiHttp {
// Local variables
var AuthorizationValidationRequest v_authorization_validation_request;
var bitstring v_authorization_validation_request_msg;
var octetstring v_public_enc_key;
var integer v_compressed_enc_key_mode;
log(">>> f_http_build_authorization_validation_request");
// Copy the sharedAtRequest component from the InnerAtRequest received in the AuthorizationRequestMessage
v_authorization_validation_request.sharedAtRequest := p_inner_at_request.sharedAtRequest;
// Copy the ecSignature component from the InnerAtRequest received in the AuthorizationRequestMessage or AuthorizationRequestMessageWithPop
v_authorization_validation_request.ecSignature := p_inner_at_request.ecSignature;
// Secure the InnerAtRequest message
if (f_extract_enc_key(vc_eaCertificate, v_public_enc_key, v_compressed_enc_key_mode) == false) {
log("f_http_build_authorization_validation_request: Non canonical EA certificate");
f_selfOrClientSyncAndVerdict("error", e_error);
}
log("f_http_build_authorization_validation_request: Public encryption key: ", v_public_enc_key);
log("f_http_build_authorization_validation_request: Public encryption key comp: ", v_compressed_enc_key_mode);
p_salt := vc_eaWholeHash256; // IEEE 1609.2: If the encryption key was obtained from a certificate c, P1 is SHA-256 (c), where c is the COER encoding of the certificate, canonicalized per 6.4.3.
log("f_http_build_authorization_validation_request: vc_aaHashedId8: ", vc_aaHashedId8);
log("f_http_build_authorization_validation_request: p_salt: ", p_salt);
if(f_build_pki_secured_request_message_signed_with_pop(vc_aaPrivateKey, valueof(m_signerIdentifier_digest(vc_aaHashedId8)), vc_eaHashedId8/*recipientId*/, v_public_enc_key, v_compressed_enc_key_mode, p_salt, bit2oct(encvalue(m_etsiTs102941Data_authorization_validation_request(v_authorization_validation_request))), PX_EC_ALG_FOR_ATV, -, p_ieee1609dot2_signed_and_encrypted_data, p_aes_sym_key, p_encrypted_sym_key, p_authentication_vector, p_nonce, p_request_hash) == false) {
log("f_http_build_authorization_validation_request: Failed to generate Authorization Request");
f_selfOrClientSyncAndVerdict("error", e_error);
}
log("f_http_build_authorization_validation_request: p_ieee1609dot2_signed_and_encrypted_data= ", p_ieee1609dot2_signed_and_encrypted_data);
log("f_http_build_authorization_validation_request: p_request_hash= ", p_request_hash);
} // End of function f_http_build_authorization_validation_request
function f_http_build_invalid_authorization_validation_request(
in InnerAtRequest p_inner_at_request,
in octetstring p_public_key_compressed,
in integer p_compressed_key_mode,
in octetstring p_private_enc_key,
in octetstring p_public_compressed_enc_key,
in integer p_compressed_enc_key_mode,
out Oct16 p_aes_sym_key,
out Oct16 p_encrypted_sym_key,
out Oct16 p_authentication_vector,
out Oct12 p_nonce,
out octetstring p_salt,
out Ieee1609Dot2Data p_ieee1609dot2_signed_and_encrypted_data,
out Oct32 p_request_hash
) runs on ItsPkiHttp {
// Local variables
var AuthorizationValidationRequest v_authorization_validation_request;
var bitstring v_authorization_validation_request_msg;
var octetstring v_public_enc_key;
var integer v_compressed_enc_key_mode;
log(">>> f_http_build_invalid_authorization_validation_request");
// Copy the sharedAtRequest component from the InnerAtRequest received in the AuthorizationRequestMessage
v_authorization_validation_request.sharedAtRequest := p_inner_at_request.sharedAtRequest;
// Copy the ecSignature component from the InnerAtRequest received in the AuthorizationRequestMessage or AuthorizationRequestMessageWithPop
v_authorization_validation_request.ecSignature := p_inner_at_request.ecSignature;
// Secure the InnerAtRequest message
if (f_extract_enc_key(vc_eaCertificate, v_public_enc_key, v_compressed_enc_key_mode) == false) {
log("f_http_build_invalid_authorization_validation_request: Non canonical EA certificate");
f_selfOrClientSyncAndVerdict("error", e_error);
}
log("f_http_build_invalid_authorization_validation_request: Public encryption key: ", v_public_enc_key);
log("f_http_build_invalid_authorization_validation_request: Public encryption key comp: ", v_compressed_enc_key_mode);
p_salt := vc_eaWholeHash256; // IEEE 1609.2: If the encryption key was obtained from a certificate c, P1 is SHA-256 (c), where c is the COER encoding of the certificate, canonicalized per 6.4.3.
log("f_http_build_invalid_authorization_validation_request: vc_aaHashedId8: ", vc_aaHashedId8);
log("f_http_build_invalid_authorization_validation_request: p_salt: ", p_salt);
if(f_build_pki_secured_request_message_signed_with_pop(vc_aaPrivateKey, valueof(m_signerIdentifier_digest(vc_aaHashedId8)), vc_eaHashedId8/*recipientId*/, v_public_enc_key, v_compressed_enc_key_mode, p_salt, bit2oct(encvalue(m_etsiTs102941Data_authorization_validation_request(v_authorization_validation_request))), PX_EC_ALG_FOR_ATV, true, p_ieee1609dot2_signed_and_encrypted_data, p_aes_sym_key, p_encrypted_sym_key, p_authentication_vector, p_nonce, p_request_hash) == false) {
log("f_http_build_invalid_authorization_validation_request: Failed to generate Authorization Request");
f_selfOrClientSyncAndVerdict("error", e_error);
}
log("f_http_build_invalid_authorization_validation_request: p_ieee1609dot2_signed_and_encrypted_data= ", p_ieee1609dot2_signed_and_encrypted_data);
log("f_http_build_invalid_authorization_validation_request: p_request_hash= ", p_request_hash);
} // End of function f_http_build_invalid_authorization_validation_request
function f_http_build_authorization_validation_response(
in SharedAtRequest p_shared_at_request,
in AuthorizationValidationResponseCode p_responseCode := ok,
in Oct16 p_request_hash,
in octetstring p_private_key := ''O,
in octetstring p_digest := ''O,
in Oct16 p_aes_sym_key,
out AuthorizationValidationResponse p_authorization_validation_response,
out Ieee1609Dot2Data p_ieee1609dot2_signed_and_encrypted_data
) return boolean {
// Local variables
var bitstring v_msg_bit;
var octetstring v_msg;
var Oct12 v_nonce;
var Ieee1609Dot2Data v_ieee1609dot2_signed_data;
var EtsiTs103097Certificate v_at_certificate;
var boolean p_result := false;
log(">>> f_http_build_authorization_validation_response: p_shared_at_request= ", p_shared_at_request);
log(">>> f_http_build_authorization_validation_response: p_responseCode= ", p_responseCode);
log(">>> f_http_build_authorization_validation_response: p_request_hash= ", p_request_hash);
log(">>> f_http_build_authorization_validation_response: p_private_key= ", p_private_key);
log(">>> f_http_build_authorization_validation_response: p_digest= ", p_digest);
log(">>> f_http_build_authorization_validation_response: p_aes_sym_key= ", p_aes_sym_key);
// Check expectred response
if (p_responseCode != ok) {
p_authorization_validation_response := valueof(
m_authorizationValidationResponse_ko(
p_request_hash,
p_responseCode
)
);
p_result := true;
} else {
p_authorization_validation_response := valueof(m_authorizationValidationResponse_ok(
p_request_hash,
p_shared_at_request.requestedSubjectAttributes
)
);
}
log("f_http_build_authorization_validation_response: p_authorization_validation_response= ", p_authorization_validation_response);
// Encapsulte authorization validation response into EtsiTs102941Data
v_msg := bit2oct(encvalue(m_etsiTs102941Data_authorization_validation_response(p_authorization_validation_response)));
// Secure the response
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v_nonce := substr(f_hashWithSha256(int2oct((f_getCurrentTimeUtc() * 1000), 16)), 0, 12); // Random value
if (f_build_pki_secured_response_message(p_private_key,
valueof(m_signerIdentifier_digest(f_hashedId8FromSha256(p_digest))),// in SignerIdentifier p_signer_identifier,
v_msg,
p_aes_sym_key,
v_nonce,
p_ieee1609dot2_signed_and_encrypted_data
) == false) {
log("f_http_build_authorization_validation_response: Failed to generate the certificate");
p_authorization_validation_response := valueof(
m_authorizationValidationResponse_ko(
p_request_hash,
deniedpermissions
)
);
} else {
p_result := true;
}
log("<<< f_http_build_authorization_validation_response: p_result= ", p_result);
log("<<< f_http_build_authorization_validation_response: p_authorization_validation_response= ", p_authorization_validation_response);
return p_result;
} // End of function f_http_build_authorization_validation_response
function f_http_build_dc_request( // TODO Cleanup parameters
in charstring p_ea_certificate_id,
in charstring p_aa_certificate_id,
in charstring p_rca_certificate_id,
out octetstring p_private_key,
out octetstring p_public_key_compressed,
out integer p_compressed_mode,
out Oct16 p_aes_sym_key,
out Oct16 p_encrypted_sym_key,
out Oct16 p_authentication_vector,
out Oct12 p_nonce,
out octetstring p_salt,
out Ieee1609Dot2Data p_ieee1609dot2_signed_and_encrypted_data,
out Oct32 p_request_hash
) runs on ItsPkiHttp {
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} // End of function
} // End of group http
group generate_certificates {
function f_generate_ec_certificate(
out octetstring p_private_key,
out Certificate p_ec_certificate
) return boolean {
var octetstring v_public_key_x;
var octetstring v_public_key_y;
var octetstring p_public_key_compressed;
var integer p_compressed_mode;
var EccP256CurvePoint v_ecc_p256_curve_point;
var SequenceOfPsidSsp v_appPermissions := { // ETSI TS 102 965 Table A.1: ETSI ITS standardized ITS-AIDs
valueof(m_appPermissions(36, { bitmapSsp := PX_INNER_EC_CERTFICATE_BITMAP_SSP_CAM })),
valueof(m_appPermissions(37, { bitmapSsp := PX_INNER_EC_CERTFICATE_BITMAP_SSP_DENM }))
};
var template (value) EtsiTs103097Certificate v_cert;
var bitstring v_tbs;
var Oct32 v_sig;
var bitstring v_enc_msg;
var PublicVerificationKey v_public_verification_key;
log(">>> f_generate_ec_certificate");
log("f_generate_ec_certificate: PX_EC_ALG_FOR_EC=", PX_EC_ALG_FOR_EC);
log("f_generate_ec_certificate: PX_VE_ALG=", PX_VE_ALG);
// Generate verification keys for the certificate
if (f_generate_key_pair(p_private_key, v_public_key_x, v_public_key_y, p_public_key_compressed, p_compressed_mode) == false) {
log("f_generate_ec_certificate: Failed to generate verification key");
return false;
}
if (p_compressed_mode == 0) {
v_ecc_p256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_0(p_public_key_compressed));
} else {
v_ecc_p256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_1(p_public_key_compressed));
}
if (PX_EC_ALG_FOR_EC == e_nist_p256) {
v_public_verification_key := valueof(
m_publicVerificationKey_ecdsaNistP256(
v_ecc_p256_curve_point
));
} else if (PX_EC_ALG_FOR_EC == e_brainpool_p256_r1) {
v_public_verification_key := valueof(
m_publicVerificationKey_ecdsaBrainpoolP256r1(
v_ecc_p256_curve_point
));
} else {
log("f_generate_ec_certificate: Wrong encryption algorithm, check PX_EC_ALG_FOR_xx");
return false;
}
v_cert := m_etsiTs103097Certificate(
m_issuerIdentifier_sha256AndDigest(f_hashedId8FromSha256(f_hashWithSha256('616263'O))),
m_toBeSignedCertificate_at(
v_appPermissions,
m_verificationKeyIndicator_verificationKey(
v_public_verification_key
),
m_validityPeriod(
f_getCurrentTime() / 1000,
m_duration_in_hours(PX_GENERATED_CERTIFICATE_DURATION)
),
m_geographicRegion_identifiedRegion(
{
m_identifiedRegion_country_only(PX_GENERATED_CERTIFICATE_REGION_COUNTRY_2),
m_identifiedRegion_country_only(PX_GENERATED_CERTIFICATE_REGION_COUNTRY_2)
}
),
PX_GENERATED_CERTIFICATE_SUBJECT_ASSURENCE_LEVEL
)
);
// Encode it ==> Get octetstring
v_tbs := encvalue(v_cert.toBeSigned);
// Sign the certificate
v_sig := f_signWithEcdsa(bit2oct(v_tbs), int2oct(11, 32), p_private_key);
if ((PX_VE_ALG == e_nist_p256) or (PX_VE_ALG == e_brainpool_p256_r1)) {
v_cert.signature_ := m_signature_ecdsaNistP256(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(
substr(v_sig, 0, 32)
),
substr(v_sig, 32, 32)
)
);
} else if (PX_VE_ALG == e_brainpool_p384_r1) {
v_cert.signature_ := m_signature_ecdsaBrainpoolP384r1(
m_ecdsaP384Signature(
m_eccP384CurvePoint_x_only(
substr(v_sig, 0, 48)
),
substr(v_sig, 48, 48)
)
);
}
log("f_generate_ec_certificate: v_cert= ", v_cert);
p_ec_certificate := valueof(v_cert);
return true;
} // End of function f_generate_ec_certificate
function f_generate_ec_certificate_for_inner_ec_response(
in InnerEcRequest p_inner_ec_request,
in octetstring p_private_key,
in octetstring p_digest,
out EtsiTs103097Certificate p_ec_certificate,
out HashedId8 p_ec_certificate_hashed_id8
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) return boolean {
var CertificateId v_certificate_id;
var EtsiTs103097Certificate v_cert;
var IssuerIdentifier v_issuer;
var bitstring v_tbs;
var octetstring v_sig;
log(">>> f_generate_ec_certificate_for_inner_ec_response: p_inner_ec_request: ", p_inner_ec_request);
log(">>> f_generate_ec_certificate_for_inner_ec_response: p_digest: ", p_digest);
v_issuer := valueof(m_issuerIdentifier_sha256AndDigest(f_hashedId8FromSha256(p_digest))); // TODO Check sha256/384 f_hashedId8FromSha384
if (not(ispresent(p_inner_ec_request.requestedSubjectAttributes.id))) {
v_certificate_id := { none_ := NULL };
} else {
v_certificate_id := p_inner_ec_request.requestedSubjectAttributes.id;
}
v_cert := valueof(
m_etsiTs103097Certificate(
v_issuer,
m_toBeSignedCertificate_ec(
v_certificate_id,
p_inner_ec_request.requestedSubjectAttributes.appPermissions,
m_verificationKeyIndicator_verificationKey(
p_inner_ec_request.publicKeys.verificationKey
),
p_inner_ec_request.requestedSubjectAttributes.validityPeriod,
p_inner_ec_request.requestedSubjectAttributes.region,
p_inner_ec_request.requestedSubjectAttributes.assuranceLevel,
p_inner_ec_request.publicKeys.encryptionKey
)
)
);
// Encode it ==> Get octetstring
v_tbs := encvalue(v_cert.toBeSigned);
// Sign the certificate
v_sig := f_signWithEcdsa(bit2oct(v_tbs), p_digest, p_private_key);
if (PX_VE_ALG == e_nist_p256) {
v_cert.signature_ := valueof(
m_signature_ecdsaNistP256(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(
substr(v_sig, 0, 32)
),
substr(v_sig, 32, 32)
)
)
);
} else if (PX_VE_ALG == e_brainpool_p256_r1) {
v_cert.signature_ := valueof(
m_signature_ecdsaBrainpoolP256r1(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(
substr(v_sig, 0, 32)
),
substr(v_sig, 32, 32)
)
)
);
} else if (PX_VE_ALG == e_brainpool_p384_r1) {
v_cert.signature_ := valueof(
m_signature_ecdsaBrainpoolP384r1(
m_ecdsaP384Signature(
m_eccP384CurvePoint_x_only(
substr(v_sig, 0, 48)
),
substr(v_sig, 48, 48)
)
)
);
}
p_ec_certificate := valueof(v_cert);
// Encode it and calculate HashedId8
v_tbs := encvalue(p_ec_certificate);
p_ec_certificate_hashed_id8 := f_hashedId8FromSha256(f_hashWithSha256(bit2oct(v_tbs)));
log("f_generate_ec_certificate_for_inner_ec_response: p_ec_certificate= ", p_ec_certificate);
log("f_generate_ec_certificate_for_inner_ec_response: p_ec_certificate_hashed_id8= ", p_ec_certificate_hashed_id8);
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return true;
} // End of function f_generate_ec_certificate_for_inner_ec_response
function f_generate_at_certificate_for_inner_at_response(
in InnerAtRequest p_inner_at_request,
in octetstring p_private_key,
in octetstring p_digest,
out EtsiTs103097Certificate p_at_certificate
) return boolean {
var EtsiTs103097Certificate v_cert;
var IssuerIdentifier v_issuer;
var bitstring v_tbs;
var octetstring v_sig;
v_issuer := valueof(m_issuerIdentifier_sha256AndDigest(f_hashedId8FromSha256(p_digest))); // TODO Check sha256/384 f_hashedId8FromSha384
v_cert := valueof(
m_etsiTs103097Certificate(
v_issuer,
m_toBeSignedCertificate_at(
p_inner_at_request.sharedAtRequest.requestedSubjectAttributes.appPermissions,
m_verificationKeyIndicator_verificationKey(
p_inner_at_request.publicKeys.verificationKey
),
p_inner_at_request.sharedAtRequest.requestedSubjectAttributes.validityPeriod,
p_inner_at_request.sharedAtRequest.requestedSubjectAttributes.region,
p_inner_at_request.sharedAtRequest.requestedSubjectAttributes.assuranceLevel,
p_inner_at_request.publicKeys.encryptionKey
)
)
);
// Encode it ==> Get octetstring
v_tbs := encvalue(v_cert.toBeSigned);
// Sign the certificate
v_sig := f_signWithEcdsa(bit2oct(v_tbs), p_digest, p_private_key);
log("f_generate_at_certificate_for_inner_at_response: PX_VE_ALG=", PX_VE_ALG);
if (PX_VE_ALG == e_nist_p256) {
v_cert.signature_ := valueof(
m_signature_ecdsaNistP256(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(
substr(v_sig, 0, 32)
),
substr(v_sig, 32, 32)
)
)
);
} else if (PX_VE_ALG == e_brainpool_p256_r1) {
v_cert.signature_ := valueof(
m_signature_ecdsaBrainpoolP256r1(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(
substr(v_sig, 0, 32)
),
substr(v_sig, 32, 32)
)
)
);
} else if (PX_VE_ALG == e_brainpool_p384_r1) {
v_cert.signature_ := valueof(
m_signature_ecdsaBrainpoolP384r1(
m_ecdsaP384Signature(
m_eccP384CurvePoint_x_only(
substr(v_sig, 0, 48)
),
substr(v_sig, 48, 48)
)
)
);
}
p_at_certificate := valueof(v_cert);
log("f_generate_at_certificate_for_inner_at_response: p_at_certificate= ", p_at_certificate);
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return true;
} // End of function f_generate_at_certificate_for_inner_at_response
function f_generate_at_certificate_for_authorization_response(
in InnerAtRequest p_inner_at_request,
in octetstring p_private_key,
in octetstring p_digest,
out EtsiTs103097Certificate p_at_certificate
) return boolean {
var EtsiTs103097Certificate v_cert;
var IssuerIdentifier v_issuer;
var bitstring v_tbs;
var octetstring v_sig;
log(">>> f_generate_at_certificate_for_authorization_response");
v_issuer := valueof(m_issuerIdentifier_sha256AndDigest(f_hashedId8FromSha256(p_digest))); // TODO Check sha256/384 f_hashedId8FromSha384
v_cert := valueof(
m_etsiTs103097Certificate(
v_issuer,
m_toBeSignedCertificate_ec(
p_inner_at_request.sharedAtRequest.requestedSubjectAttributes.id,
p_inner_at_request.sharedAtRequest.requestedSubjectAttributes.appPermissions,
m_verificationKeyIndicator_verificationKey(
p_inner_at_request.publicKeys.verificationKey
),
p_inner_at_request.sharedAtRequest.requestedSubjectAttributes.validityPeriod,
p_inner_at_request.sharedAtRequest.requestedSubjectAttributes.region,
p_inner_at_request.sharedAtRequest.requestedSubjectAttributes.assuranceLevel,
p_inner_at_request.publicKeys.encryptionKey
)
)
);
// Encode it ==> Get octetstring
v_tbs := encvalue(v_cert.toBeSigned);
// Sign the certificate
v_sig := f_signWithEcdsa(bit2oct(v_tbs), p_digest, p_private_key);
if (PX_VE_ALG == e_nist_p256) {
v_cert.signature_ := valueof(
m_signature_ecdsaNistP256(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(
substr(v_sig, 0, 32)
),
substr(v_sig, 32, 32)
)
)
);
} else if (PX_VE_ALG == e_brainpool_p256_r1) {
v_cert.signature_ := valueof(
m_signature_ecdsaBrainpoolP256r1(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(
substr(v_sig, 0, 32)
),
substr(v_sig, 32, 32)
)
)
);
} else if (PX_VE_ALG == e_brainpool_p384_r1) {
v_cert.signature_ := valueof(
m_signature_ecdsaBrainpoolP384r1(
m_ecdsaP384Signature(
m_eccP384CurvePoint_x_only(
substr(v_sig, 0, 48)
),
substr(v_sig, 48, 48)
)
)
);
}
p_at_certificate := valueof(v_cert);
log("f_generate_at_certificate_for_authorization_response: p_at_certificate= ", p_at_certificate);
return true;
} // End of function f_generate_at_certificate_for_authorization_response
} // End of group generate_certificates
group inner_ec_xxx {
function f_generate_inner_ec_request(
out octetstring p_private_key,
out octetstring p_public_key_compressed,
out integer p_compressed_mode,
out InnerEcRequest p_inner_ec_request
) runs on ItsPkiHttp return boolean {
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// Local variables
var Oct32 v_public_key_x;
var Oct32 v_public_key_y;
var PublicVerificationKey v_public_verification_key;
log (">>> f_generate_inner_ec_request");
log("f_generate_inner_ec_request: PX_VE_ALG=", PX_VE_ALG);
// Generate keys for the certificate to be requested
if (f_generate_key_pair(p_private_key, v_public_key_x, v_public_key_y, p_public_key_compressed, p_compressed_mode) == false) {
log ("f_generate_inner_ec_request: failed to generate keys");
return false;
}
// Build the Proof of Possession InnerEcRequest
if (PX_VE_ALG == e_nist_p256) {
var EccP256CurvePoint v_eccP256_curve_point;
if (p_compressed_mode == 0) {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_0(p_public_key_compressed));
} else {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_1(p_public_key_compressed));
}
v_public_verification_key := valueof(m_publicVerificationKey_ecdsaNistP256(v_eccP256_curve_point));
} else if (PX_VE_ALG == e_brainpool_p256_r1) {
var EccP256CurvePoint v_eccP256_curve_point;
if (p_compressed_mode == 0) {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_0(p_public_key_compressed));
} else {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_1(p_public_key_compressed));
}
v_public_verification_key := valueof(m_publicVerificationKey_ecdsaBrainpoolP256r1(v_eccP256_curve_point));
} else {
var EccP384CurvePoint v_eccP384_curve_point;
if (p_compressed_mode == 0) {
v_eccP384_curve_point := valueof(m_eccP384CurvePoint_compressed_y_0(p_public_key_compressed));
} else {
v_eccP384_curve_point := valueof(m_eccP384CurvePoint_compressed_y_1(p_public_key_compressed));
}
v_public_verification_key := valueof(m_publicVerificationKey_ecdsaBrainpoolP384r1(v_eccP384_curve_point));
}
if (PICS_EC_SUBJECT_ATTRIBUT_ID) {
p_inner_ec_request := valueof(
m_innerEcRequest(
PICS_ITS_S_CANONICAL_ID,
m_publicKeys(
v_public_verification_key
),
m_certificateSubjectAttributes_id_name(
oct2char(PICS_ITS_S_CANONICAL_ID) & int2str(f_getCurrentTime()), // ETSI TS 103 097 Clause 7.2.2 Enrolment credential
{ // ETSI TS 102 965 Table A.1: ETSI ITS standardized ITS-AIDs
valueof(m_appPermissions(c_its_aid_SCR, { bitmapSsp := PX_INNER_EC_CERTFICATE_BITMAP_SSP_SCR }))
},
m_validityPeriod(
f_getCurrentTime() / 1000,
m_duration_in_hours(PX_GENERATED_CERTIFICATE_DURATION)
),
m_geographicRegion_identifiedRegion(
{
m_identifiedRegion_country_only(PX_GENERATED_CERTIFICATE_REGION_COUNTRY_1),
m_identifiedRegion_country_only(PX_GENERATED_CERTIFICATE_REGION_COUNTRY_2)
}
),
PX_GENERATED_CERTIFICATE_SUBJECT_ASSURENCE_LEVEL
)
)
);
} else {
p_inner_ec_request := valueof(
m_innerEcRequest(
PICS_ITS_S_CANONICAL_ID,
m_publicKeys(
v_public_verification_key
),
m_certificateSubjectAttributes_id_omit( // ETSI TS 103 097 Clause 7.2.2 Enrolment credential
{ // ETSI TS 102 965 Table A.1: ETSI ITS standardized ITS-AIDs
valueof(m_appPermissions(c_its_aid_SCR, { bitmapSsp := PX_INNER_EC_CERTFICATE_BITMAP_SSP_SCR }))
},
m_validityPeriod(
f_getCurrentTime() / 1000,
m_duration_in_hours(PX_GENERATED_CERTIFICATE_DURATION)
),
m_geographicRegion_identifiedRegion(
{
m_identifiedRegion_country_only(PX_GENERATED_CERTIFICATE_REGION_COUNTRY_1),
m_identifiedRegion_country_only(PX_GENERATED_CERTIFICATE_REGION_COUNTRY_2)
}
),
PX_GENERATED_CERTIFICATE_SUBJECT_ASSURENCE_LEVEL
)
)
);
}
// Remove geographical region (ETAS)
if (not(PICS_EC_SUBJECT_ATTRIBUT_REGION)) {
p_inner_ec_request.requestedSubjectAttributes.region := omit;
}
log("f_generate_inner_ec_request: PICS_SECPKI_REENROLMENT: ", PICS_SECPKI_REENROLMENT);
log("f_generate_inner_ec_request: vc_ec_keys_counter: ", vc_ec_keys_counter);
if (PICS_SECPKI_REENROLMENT and (vc_ec_keys_counter > 0)) { // This is a re-enrolment, the identifier of its current valid Enrolment Credential
log("f_generate_inner_ec_request: This is a re-enrolment: vc_ec_keys_counter= ", vc_ec_keys_counter);
log("f_generate_inner_ec_request: This is a re-enrolment: vc_ec_hashed_id8[vc_ec_keys_counter - 1]= ", vc_ec_hashed_id8[vc_ec_keys_counter - 1]);
p_inner_ec_request.itsId := vc_ec_hashed_id8[vc_ec_keys_counter - 1];
log("<<< f_generate_inner_ec_request: ", p_inner_ec_request);
return true;
} // End of function f_generate_inner_ec_request
function f_generate_inner_ec_request_with_wrong_parameters(
in SequenceOfPsidSsp p_appPermissions,
in octetstring p_canonical_id := PICS_ITS_S_CANONICAL_ID,
in Time32 p_start,
in Duration p_duration,
in boolean p_alter_private_key := false,
out octetstring p_private_key,
out octetstring p_public_key_compressed,
out integer p_compressed_mode,
out InnerEcRequest p_inner_ec_request
) runs on ItsPkiHttp return boolean {
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// Local variables
var Oct32 v_public_key_x;
var Oct32 v_public_key_y;
var octetstring v_private_key;
var octetstring v_public_key_compressed;
var integer v_compressed_mode;
var PublicVerificationKey v_public_verification_key;
log (">>> f_generate_inner_ec_request_with_wrong_parameters");
// Generate keys for the certificate to be requested
if (f_generate_key_pair(p_private_key, v_public_key_x, v_public_key_y, p_public_key_compressed, p_compressed_mode) == false) {
log ("f_generate_inner_ec_request_with_wrong_parameters: failed to generate keys");
return false;
}
if (p_alter_private_key == false) {
v_private_key := p_private_key;
v_public_key_compressed := p_public_key_compressed;
v_compressed_mode := p_compressed_mode;
} else {
log ("f_generate_inner_ec_request_with_wrong_parameters: Alter verify private key");
if (f_generate_key_pair(v_private_key, v_public_key_x, v_public_key_y, v_public_key_compressed, v_compressed_mode) == false) {
log ("f_generate_inner_ec_request_with_wrong_parameters: failed to generate keys");
return false;
}
}
// Build the Proof of Possession InnerEcRequest
log("f_generate_inner_ec_request_with_wrong_parameters: PX_VE_ALG=", PX_VE_ALG);
if (PX_VE_ALG == e_nist_p256) {
var EccP256CurvePoint v_eccP256_curve_point;
if (v_compressed_mode == 0) {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_0(v_public_key_compressed));
} else {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_1(v_public_key_compressed));
}
v_public_verification_key := valueof(m_publicVerificationKey_ecdsaNistP256(v_eccP256_curve_point));
} else if (PX_VE_ALG == e_brainpool_p256_r1) {
var EccP256CurvePoint v_eccP256_curve_point;
if (v_compressed_mode == 0) {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_0(v_public_key_compressed));
} else {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_1(v_public_key_compressed));
}
v_public_verification_key := valueof(m_publicVerificationKey_ecdsaBrainpoolP256r1(v_eccP256_curve_point));
} else {
var EccP384CurvePoint v_eccP384_curve_point;
if (v_compressed_mode == 0) {
v_eccP384_curve_point := valueof(m_eccP384CurvePoint_compressed_y_0(v_public_key_compressed));
} else {
v_eccP384_curve_point := valueof(m_eccP384CurvePoint_compressed_y_1(v_public_key_compressed));
}
v_public_verification_key := valueof(m_publicVerificationKey_ecdsaBrainpoolP384r1(v_eccP384_curve_point));
}
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if (PICS_EC_SUBJECT_ATTRIBUT_ID) {
p_inner_ec_request := valueof(
m_innerEcRequest(
p_canonical_id,
m_publicKeys(
v_public_verification_key
),
m_certificateSubjectAttributes_id_name(
oct2char(PICS_ITS_S_CANONICAL_ID),
p_appPermissions, // ETSI TS 102 965 Table A.1: ETSI ITS standardized ITS-AIDs
m_validityPeriod(
p_start,
p_duration
),
m_geographicRegion_identifiedRegion(
{
m_identifiedRegion_country_only(PX_GENERATED_CERTIFICATE_REGION_COUNTRY_1),
m_identifiedRegion_country_only(PX_GENERATED_CERTIFICATE_REGION_COUNTRY_2)
}
),
PX_GENERATED_CERTIFICATE_SUBJECT_ASSURENCE_LEVEL
)
)
);
} else {
p_inner_ec_request := valueof(
m_innerEcRequest(
p_canonical_id,
m_publicKeys(
v_public_verification_key
),
m_certificateSubjectAttributes_id_omit( // ETSI TS 103 097 Clause 7.2.2 Enrolment credential
p_appPermissions, // ETSI TS 102 965 Table A.1: ETSI ITS standardized ITS-AIDs
m_validityPeriod(
p_start,
p_duration
),
m_geographicRegion_identifiedRegion(
{
m_identifiedRegion_country_only(PX_GENERATED_CERTIFICATE_REGION_COUNTRY_1),
m_identifiedRegion_country_only(PX_GENERATED_CERTIFICATE_REGION_COUNTRY_2)
}
),
PX_GENERATED_CERTIFICATE_SUBJECT_ASSURENCE_LEVEL
)
)
);
}// Remove geographical region (ETAS)
if (not(PICS_EC_SUBJECT_ATTRIBUT_REGION)) {
p_inner_ec_request.requestedSubjectAttributes.region := omit;
}
log("f_generate_inner_ec_request_with_wrong_parameters: ", p_inner_ec_request);
return true;
} // End of function f_generate_inner_ec_request_with_wrong_parameters
function f_generate_inner_ec_request_signed_for_pop(
in octetstring p_private_key,
in InnerEcRequest p_inner_ec_request,
out Ieee1609Dot2Data p_inner_ec_request_signed_for_pop
) runs on ItsPkiHttp return boolean {
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// Local variables
var template (value) EccP256CurvePoint v_eccP256_curve_point;
var octetstring v_encoded_inner_ec_request;
var template (value) ToBeSignedData v_tbs;
var octetstring v_tbs_signed;
var Signature v_signature;
// Encode it
log("f_generate_inner_ec_request_signed_for_pop: encode ", p_inner_ec_request);
v_encoded_inner_ec_request := bit2oct(encvalue(p_inner_ec_request));
// Signed the encoded InnerEcRequestSignedForPop
v_tbs := m_toBeSignedData(
m_signedDataPayload(
m_etsiTs103097Data_unsecured(
v_encoded_inner_ec_request
)
),
m_headerInfo_inner_pki_request(
-,
(f_getCurrentTime() * 1000) //us
)
);
// Signed the encoded InnerEcRequestSignedForPop
log("f_generate_inner_ec_request_signed_for_pop: tbs= ", v_tbs);
log("f_generate_inner_ec_request_signed_for_pop: tbs= ", bit2oct(encvalue(v_tbs)));
v_tbs_signed := f_signWithEcdsa(bit2oct(encvalue(v_tbs)), int2oct(0, 32), p_private_key);
// Finalyse signed InnerEcRequestSignedForPop
if (PX_VE_ALG == e_nist_p256) {
v_signature := valueof(
m_signature_ecdsaNistP256(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(
substr(v_tbs_signed, 0, 32)
),
substr(v_tbs_signed, 32, 32)
)
)
);
} else if (PX_VE_ALG == e_brainpool_p256_r1) {
v_signature := valueof(
m_signature_ecdsaBrainpoolP256r1(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(
substr(v_tbs_signed, 0, 32)
),
substr(v_tbs_signed, 32, 32)
)
)
);
} else if (PX_VE_ALG == e_brainpool_p384_r1) {
v_signature := valueof(
m_signature_ecdsaBrainpoolP384r1(
m_ecdsaP384Signature(
m_eccP384CurvePoint_x_only(
substr(v_tbs_signed, 0, 48)
),
substr(v_tbs_signed, 48, 48)
)
)
);
}
log("f_generate_inner_ec_request_signed_for_pop: v_signature= ", v_signature);
p_inner_ec_request_signed_for_pop := valueof(
m_etsiTs103097Data_signed(
m_signedData(
sha256,
v_tbs,
m_signerIdentifier_self,
v_signature
)
)
);
log("<<< f_generate_inner_ec_request_signed_for_pop: p_inner_ec_request_signed_for_pop= ", p_inner_ec_request_signed_for_pop);
return true;
} // End of function f_generate_inner_ec_request_signed_for_pop
function f_verify_inner_ec_request_signed_for_pop(
in EtsiTs102941Data p_etsi_ts_102941_data,
out InnerEcRequest p_inner_ec_request
) return boolean {
var bitstring v_msg_bit;
log(">>> f_verify_inner_ec_request_signed_for_pop: ", p_etsi_ts_102941_data);
// 1. Decode content
v_msg_bit := oct2bit(p_etsi_ts_102941_data.content.enrolmentRequest.content.signedData.tbsData.payload.data.content.unsecuredData);
if (decvalue(v_msg_bit, p_inner_ec_request) != 0) {
log("f_verify_inner_ec_request_signed_for_pop: Failed to decode InnerEcRequest");
return false;
} else {
log("f_verify_inner_ec_request_signed_for_pop: v_inner_ec_request= ", p_inner_ec_request);
// 2. Verify the InnerEcRequestSignedForPop signature
// TODO
}
return true;
} // End of function f_verify_inner_ec_request_signed_for_pop
function f_generate_inner_ec_response(
in octetstring p_inner_ec_request_hash,
in EtsiTs103097Certificate p_certificate,
out InnerEcResponse p_inner_ec_response
) return boolean {
// Local variables
// Build the Proof of Possession InnerEcResponse
p_inner_ec_response := valueof(
m_innerEcResponse_ok(
substr(p_inner_ec_request_hash, 0, 16),
p_certificate
)
);
return true;
} // End of function f_generate_inner_ec_response
} // End of group inner_ec_xxx
group inner_at_xxx {
function f_generate_inner_at_request(
in Certificate p_aa_certificate,
in SignAlgorithm p_enc_algo := PX_EC_ALG_FOR_EC_SIGN,
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in Oct8 p_aa_hashed_id8,
in Certificate p_ea_certificate,
in octetstring p_salt,
in Oct8 p_ea_hashed_id8,
in Certificate p_ec_certificate,
in octetstring p_ec_private_key,
out octetstring p_private_key,
out octetstring p_public_key_compressed,
out integer p_compressed_key_mode,
out octetstring p_private_enc_key,
out octetstring p_public_compressed_enc_key,
out integer p_compressed_enc_key_mode,
out InnerAtRequest p_inner_at_request
) return boolean {
// Local variables
var octetstring v_public_key_x;
var octetstring v_public_key_y;
var octetstring v_public_enc_key_x;
var octetstring v_public_enc_key_y;
var bitstring v_enc_value;
var octetstring v_ec_hash;
var PublicVerificationKey v_public_verification_key;
var BasePublicEncryptionKey v_public_encryption_key;
var Oct8 v_ec_hashed_id8;
var octetstring public_enc_key_x;
var octetstring public_enc_key_y;
var Oct32 v_hmac_key;
var PublicVerificationKey v_verification_tag;
var PublicEncryptionKey v_encryption_tag;
var octetstring v_encoded_tag;
var Oct16 v_key_tag;
var octetstring v_hash_shared_at_request;
var template (value) ToBeSignedData v_tbs;
var octetstring v_tbs_signed;
var Ieee1609Dot2Data v_signed_at_signature;
var template (value) EccP256CurvePoint v_eccP256_curve_point;
var HashAlgorithm v_hashId;
var Signature v_signature;
var SequenceOfPsidSsp v_appPermissions := { // ETSI TS 102 965 Table A.1: ETSI ITS standardized ITS-AIDs
valueof(m_appPermissions(c_its_aid_CAM, { bitmapSsp := PX_INNER_AT_CERTFICATE_BITMAP_SSP_CAM })),
valueof(m_appPermissions(c_its_aid_DENM, { bitmapSsp := PX_INNER_AT_CERTFICATE_BITMAP_SSP_DENM }))
};
log(">>> f_generate_inner_at_request: p_enc_algo=", p_enc_algo);
// Generate verification keys for the certificate to be requested
if (f_generate_key_pair(p_private_key, v_public_key_x, v_public_key_y, p_public_key_compressed, p_compressed_key_mode) == false) {
log("f_generate_inner_at_request: Failed to generate verification key");
return false;
}
log ("f_generate_inner_at_request: AT verification private key: ", p_private_key);
log ("f_generate_inner_at_request: AT verification public compressed key: ", p_public_key_compressed);
log ("f_generate_inner_at_request: AT verification public compressed mode: ", p_compressed_key_mode);
// Generate encryption keys for the certificate to be requested
if (PX_INCLUDE_ENCRYPTION_KEYS) {
if (f_generate_key_pair_for_encryption(p_enc_algo, p_private_enc_key, v_public_enc_key_x, v_public_enc_key_y, p_public_compressed_enc_key, p_compressed_enc_key_mode) == false) {
log("f_generate_inner_at_request: Failed to generate encryption key");
return false;
} else {
log ("f_generate_inner_at_request: AT encryption private key: ", p_private_enc_key);
log ("f_generate_inner_at_request: AT encryption public compressed key: ", p_public_compressed_enc_key);
log ("f_generate_inner_at_request: AT encryption public compressed mode: ", p_compressed_enc_key_mode);
}
} else {
p_private_enc_key := ''O;
v_public_enc_key_x := ''O;
v_public_enc_key_y := ''O;
p_public_compressed_enc_key := ''O;
p_compressed_enc_key_mode := -1;
}
// Generate 32 octets length secret key
v_hmac_key := f_hashWithSha256(int2oct((f_getCurrentTimeUtc() * 1000), 12));
log("f_generate_inner_at_request: v_hmac_key= ", v_hmac_key);
// Generate tag based on the concatenation of verification keys & encryption keys
if (f_generate_key_tag(p_public_key_compressed, p_compressed_key_mode, p_public_compressed_enc_key, p_compressed_enc_key_mode, v_encoded_tag) == false) {
log("f_generate_inner_at_request: Failed to generate Key tag");
return false;
}
log("f_generate_inner_at_request: v_encoded_tag= ", v_encoded_tag);
v_key_tag := substr(
fx_hmac_sha256( // TODO Rename and use a wrapper function
v_hmac_key,
v_encoded_tag
),
0,
16); // Leftmost 128 bits of the HMAC-SHA256 tag computed previously
log("f_generate_inner_at_request: v_key_tag= ", v_key_tag);
// Build the SharedAtRequest
p_inner_at_request.sharedAtRequest := valueof(
m_shared_at_request(
p_ea_hashed_id8, // eaId identifies the EA certificate shared with EA entity
v_key_tag, // Calculated keyTag
valueof(
m_certificate_subject_attributes( // FIXME Review subjectPermissions
v_appPermissions,
p_ec_certificate.toBeSigned.certRequestPermissions,
-,//{ none_ := NULL },//p_ec_certificate.toBeSigned.id,
p_ec_certificate.toBeSigned.validityPeriod,
p_ec_certificate.toBeSigned.region,
p_ec_certificate.toBeSigned.assuranceLevel
))) // Desired attributes
);
// Calculate the hash of the SharedAtRequest
v_hash_shared_at_request := f_hashWithSha256(bit2oct(encvalue(p_inner_at_request.sharedAtRequest)));
log("f_generate_inner_at_request: v_hash_shared_at_request= ", v_hash_shared_at_request);
// Build the ETsiTs103097Data-SignedExternalPayload
v_tbs := m_toBeSignedData(
m_signedDataPayload_ext(v_hash_shared_at_request), // Payload containing extDataHash
m_headerInfo_inner_pki_request( // HeaderInfo
-,
(f_getCurrentTime()) * 1000) //us
);
log("f_generate_inner_at_request: v_tbs= ", v_tbs);
// Calculate the whole certificate SHA
v_enc_value := encvalue(p_ec_certificate);
if (ischosen(p_ec_certificate.toBeSigned.verifyKeyIndicator.verificationKey.ecdsaBrainpoolP384r1)) {
v_ec_hash := f_hashWithSha384(bit2oct(v_enc_value));
v_ec_hashed_id8 := f_hashedId8FromSha384(v_ec_hash);
} else {
v_ec_hash := f_hashWithSha256(bit2oct(v_enc_value));
v_ec_hashed_id8 := f_hashedId8FromSha256(v_ec_hash);
}
log("f_generate_inner_at_request: v_ec_hash= ", v_ec_hash);
// Signed ToBeSigned payload using the private key of EC certificate obtained from Enrolment request
// In case of ITS-S privacy, v_signed_at_signature contained the data to be encrypted
if (ischosen(p_ec_certificate.toBeSigned.verifyKeyIndicator.verificationKey.ecdsaBrainpoolP384r1)) {
v_hashId := sha384;
v_tbs_signed := f_signWithEcdsaBrainpoolp384r1WithSha384(bit2oct(encvalue(v_tbs)), v_ec_hash, p_ec_private_key);
v_signature := valueof(
m_signature_ecdsaBrainpoolP384r1(
m_ecdsaP384Signature(
m_eccP384CurvePoint_x_only(
substr(v_tbs_signed, 0, 48)
),
substr(v_tbs_signed, 48, 48)
)
)
);
} else {
v_hashId := sha256;
if (ischosen(p_ec_certificate.toBeSigned.verifyKeyIndicator.verificationKey.ecdsaBrainpoolP256r1)) {
v_tbs_signed := f_signWithEcdsaBrainpoolp256r1WithSha256(bit2oct(encvalue(v_tbs)), v_ec_hash, p_ec_private_key);
v_signature := valueof(
m_signature_ecdsaBrainpoolP256r1(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(
substr(v_tbs_signed, 0, 32)
),
substr(v_tbs_signed, 32, 32)
)
)
);
} else if (ischosen(p_ec_certificate.toBeSigned.verifyKeyIndicator.verificationKey.ecdsaNistP256)) {
v_tbs_signed := f_signWithEcdsaNistp256WithSha256(bit2oct(encvalue(v_tbs)), v_ec_hash, p_ec_private_key);
v_signature := valueof(
m_signature_ecdsaNistP256(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(
substr(v_tbs_signed, 0, 32)
),
substr(v_tbs_signed, 32, 32)
)
)
);
} else {
// Error
log("f_generate_inner_at_request: Failed to process signature");
return false;
}
}
v_signed_at_signature := valueof(
m_etsiTs103097Data_signed(
m_signedData(
v_hashId,
v_tbs,
m_signerIdentifier_digest(v_ec_hashed_id8), // Signer is the hasheId8 of the EC certificate obtained from Enrolment request
v_signature
)
)
);
log("f_generate_inner_at_request: v_signed_at_signature= ", v_signed_at_signature);
log("f_generate_inner_at_request: p_ea_certificate= ", p_ea_certificate);
if (PICS_ITS_S_WITH_PRIVACY) { // Build EtsiTs102097Data-Encrypted structure
var octetstring v_public_enc_key;
var integer v_compressed_mode;
var Oct12 v_nonce;
var Oct16 v_authentication_vector;
var Oct16 v_aes_sym_key;
var Oct16 v_encrypted_sym_key;
var HashedId8 v_recipientId;
var octetstring v_public_compressed_ephemeral_key;
var integer v_public_compressed_ephemeral_mode;
var octetstring v_enc_signed_ec_signature;
var EncryptedDataEncryptionKey v_encrypted_data_encryption_key;
// Use EA certificate for the encryption
if (p_enc_algo == e_nist_p256) {
if (ischosen(p_ea_certificate.toBeSigned.encryptionKey.publicKey.eciesNistP256.compressed_y_0)) {
v_public_enc_key := p_ea_certificate.toBeSigned.encryptionKey.publicKey.eciesNistP256.compressed_y_0;
v_compressed_mode := 0;
} else if (ischosen(p_ea_certificate.toBeSigned.encryptionKey.publicKey.eciesNistP256.compressed_y_1)) {
v_public_enc_key := p_ea_certificate.toBeSigned.encryptionKey.publicKey.eciesNistP256.compressed_y_1;
v_compressed_mode := 1;
} else {
log("f_generate_inner_at_request: Wrong NistP256 encryption variant");
return false;
}
v_enc_signed_ec_signature := f_encryptWithEciesNistp256WithSha256(bit2oct(encvalue(v_signed_at_signature)), v_public_enc_key, v_compressed_mode, p_salt, v_public_compressed_ephemeral_key, v_public_compressed_ephemeral_mode, v_aes_sym_key, v_encrypted_sym_key, v_authentication_vector, v_nonce);
if (v_public_compressed_ephemeral_mode == 0) {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_0(v_public_compressed_ephemeral_key));
} else {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_1(v_public_compressed_ephemeral_key));
}
v_encrypted_data_encryption_key := valueof(
m_encryptedDataEncryptionKey_eciesNistP256(
m_evciesP256EncryptedKey(
v_eccP256_curve_point,
v_encrypted_sym_key,
v_authentication_vector
)));
} else if (p_enc_algo == e_brainpool_p256_r1) {
if (ischosen(p_ea_certificate.toBeSigned.encryptionKey.publicKey.eciesBrainpoolP256r1.compressed_y_0)) {
v_public_enc_key := p_ea_certificate.toBeSigned.encryptionKey.publicKey.eciesBrainpoolP256r1.compressed_y_0;
v_compressed_mode := 0;
} else if (ischosen(p_ea_certificate.toBeSigned.encryptionKey.publicKey.eciesBrainpoolP256r1.compressed_y_1)) {
v_public_enc_key := p_ea_certificate.toBeSigned.encryptionKey.publicKey.eciesBrainpoolP256r1.compressed_y_1;
v_compressed_mode := 1;
} else {
log("f_generate_inner_at_request: Wrong BrainpoolP256r1 encryption variant");
return false;
}
v_enc_signed_ec_signature := f_encryptWithEciesBrainpoolp256r1WithSha256(bit2oct(encvalue(v_signed_at_signature)), v_public_enc_key, v_compressed_mode, p_salt, v_public_compressed_ephemeral_key, v_public_compressed_ephemeral_mode, v_aes_sym_key, v_encrypted_sym_key, v_authentication_vector, v_nonce);
if (v_public_compressed_ephemeral_mode == 0) {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_0(v_public_compressed_ephemeral_key));
} else {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_1(v_public_compressed_ephemeral_key));
}
v_encrypted_data_encryption_key := valueof(
m_encryptedDataEncryptionKey_eciesBrainpoolP256r1(
m_evciesP256EncryptedKey(
v_eccP256_curve_point,
v_encrypted_sym_key,
v_authentication_vector
)));
} else {
log("f_generate_inner_at_request: Wrong encryption variant");
return false;
}
log("f_generate_inner_at_request: v_encrypted_data_encryption_key= ", v_encrypted_data_encryption_key);
v_recipientId := p_ea_hashed_id8; // RecipientId is the HashedId8 of the EA certificate
log("f_generate_inner_at_request: v_recipientId= ", v_recipientId);
// Fill Certificate template with the public compressed keys (canonical form)
p_inner_at_request.ecSignature := valueof(
m_ec_signature(
m_etsiTs103097Data_encrypted(
m_encryptedData(
{
m_recipientInfo_certRecipInfo(
m_pKRecipientInfo(
v_recipientId,
v_encrypted_data_encryption_key ))
},
m_symmetricCiphertext_aes128ccm(
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m_aesCcmCiphertext(
v_nonce,
v_enc_signed_ec_signature
)
)
)
)
)
);
} else { // Skip the encryption, alowed to be re-identified by the AA
p_inner_at_request.ecSignature := valueof(m_ec_signature_ext_payload(v_signed_at_signature));
}
// Build the InnerAtRequest, EcSignature field is already set
if (ischosen(p_ec_certificate.toBeSigned.verifyKeyIndicator.verificationKey.ecdsaNistP256)) {
if (p_compressed_key_mode == 0) {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_0(v_public_key_x));
} else {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_1(v_public_key_x));
}
v_public_verification_key := valueof(m_publicVerificationKey_ecdsaNistP256(v_eccP256_curve_point));
} else if (ischosen(p_ec_certificate.toBeSigned.verifyKeyIndicator.verificationKey.ecdsaBrainpoolP256r1)) {
if (p_compressed_key_mode == 0) {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_0(v_public_key_x));
} else {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_1(v_public_key_x));
}
v_public_verification_key := valueof(m_publicVerificationKey_ecdsaBrainpoolP256r1(v_eccP256_curve_point));
} else {
var EccP384CurvePoint v_eccP384_curve_point;
if (p_compressed_key_mode == 0) {
v_eccP384_curve_point := valueof(m_eccP384CurvePoint_compressed_y_0(v_public_key_x));
} else {
v_eccP384_curve_point := valueof(m_eccP384CurvePoint_compressed_y_1(v_public_key_x));
}
v_public_verification_key := valueof(m_publicVerificationKey_ecdsaBrainpoolP384r1(v_eccP384_curve_point));
}
if (PX_INCLUDE_ENCRYPTION_KEYS) {
var template (value) EccP256CurvePoint v_enc_eccP256_curve_point;
if (p_compressed_enc_key_mode == 0) {
v_enc_eccP256_curve_point := m_eccP256CurvePoint_compressed_y_0(v_public_enc_key_x);
} else {
v_enc_eccP256_curve_point := m_eccP256CurvePoint_compressed_y_1(v_public_enc_key_x);
}
if (p_enc_algo == e_nist_p256) {
v_public_encryption_key := valueof(m_publicEncryptionKey_eciesNistP256(v_enc_eccP256_curve_point));
} else {
v_public_encryption_key := valueof(m_publicEncryptionKey_eciesBrainpoolP256r1(v_enc_eccP256_curve_point));
}
p_inner_at_request.publicKeys := valueof( // The freshly generated public verification & encrypition keys to be used for the requested AT certificate
m_publicKeys(
v_public_verification_key,
m_encryptionKey( // FIXME Encryption keys could be optional
-,
v_public_encryption_key
)
)
);
} else {
p_inner_at_request.publicKeys := valueof( // The freshly generated public verification keys to be used for the requested AT certificate
m_publicKeys(
v_public_verification_key
)
);
}
p_inner_at_request.hmacKey := v_hmac_key;
log("f_generate_inner_at_request: p_inner_at_request= ", p_inner_at_request);
return true;
} // End of function f_generate_inner_at_request
function f_generate_inner_at_request_with_wrong_parameters(
in Certificate p_aa_certificate,
in SignAlgorithm p_enc_algo := PX_EC_ALG_FOR_AT,
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in Oct8 p_aa_hashed_id8,
in Certificate p_ea_certificate,
in octetstring p_salt,
in Oct8 p_ea_hashed_id8,
in Certificate p_ec_certificate,
in octetstring p_ec_private_key,
in boolean p_alter_hmac := false,
in boolean p_alter_signer_digest := false,
in template (omit) Time32 p_start := omit,
in template (omit) Duration p_duration := omit,
in template (omit) Time64 p_generation_time := omit,
out octetstring p_private_key,
out octetstring p_public_key_compressed,
out integer p_compressed_key_mode,
out octetstring p_private_enc_key,
out octetstring p_public_compressed_enc_key,
out integer p_compressed_enc_key_mode,
out InnerAtRequest p_inner_at_request
) return boolean {
// Local variables
var octetstring v_public_key_x;
var octetstring v_public_key_y;
var octetstring v_public_enc_key_x;
var octetstring v_public_enc_key_y;
var bitstring v_enc_value;
var octetstring v_ec_hash;
var PublicVerificationKey v_public_verification_key;
var BasePublicEncryptionKey v_public_encryption_key;
var Oct8 v_ec_hashed_id8;
var octetstring public_enc_key_x;
var octetstring public_enc_key_y;
var Oct32 v_hmac_key;
var PublicVerificationKey v_verification_tag;
var PublicEncryptionKey v_encryption_tag;
var octetstring v_encoded_tag;
var Oct16 v_key_tag;
var octetstring v_hash_shared_at_request;
var template (value) ToBeSignedData v_tbs;
var octetstring v_tbs_signed;
var Ieee1609Dot2Data v_signed_at_signature;
var template (value) EccP256CurvePoint v_eccP256_curve_point;
var template (value) EccP256CurvePoint v_enc_eccP256_curve_point;
var HashAlgorithm v_hashId;
var Signature v_signature;
var Time32 v_start;
var Duration v_duration;
var SequenceOfPsidSsp v_appPermissions := { // ETSI TS 102 965 Table A.1: ETSI ITS standardized ITS-AIDs
valueof(m_appPermissions(c_its_aid_CAM, { bitmapSsp := PX_INNER_AT_CERTFICATE_BITMAP_SSP_CAM })),
valueof(m_appPermissions(c_its_aid_DENM, { bitmapSsp := PX_INNER_AT_CERTFICATE_BITMAP_SSP_DENM }))
};
log("f_generate_inner_at_request_with_wrong_parameters: p_enc_algo=", p_enc_algo);
// Generate verification keys for the certificate to be requested
if (f_generate_key_pair(p_private_key, v_public_key_x, v_public_key_y, p_public_key_compressed, p_compressed_key_mode) == false) {
log("f_generate_inner_at_request_with_wrong_parameters: Failed to generate verification key");
return false;
}
log ("f_generate_inner_at_request_with_wrong_parameters: AT verification private key: ", p_private_key);
log ("f_generate_inner_at_request_with_wrong_parameters: AT verification public compressed key: ", p_public_key_compressed);
log ("f_generate_inner_at_request_with_wrong_parameters: AT verification public compressed mode: ", p_compressed_key_mode);
// Generate encryption keys for the certificate to be requested
if (PX_INCLUDE_ENCRYPTION_KEYS) {
if (f_generate_key_pair_for_encryption(p_enc_algo, p_private_enc_key, v_public_enc_key_x, v_public_enc_key_y, p_public_compressed_enc_key, p_compressed_enc_key_mode) == false) {
log("f_generate_inner_at_request_with_wrong_parameters: Failed to generate encryption key");
return false;
} else {
log ("f_generate_inner_at_request_with_wrong_parameters: AT encryption private key: ", p_private_enc_key);
log ("f_generate_inner_at_request_with_wrong_parameters: AT encryption public compressed key: ", p_public_compressed_enc_key);
log ("f_generate_inner_at_request_with_wrong_parameters: AT encryption public compressed mode: ", p_compressed_enc_key_mode);
}
} else {
p_private_enc_key := ''O;
v_public_enc_key_x := ''O;
v_public_enc_key_y := ''O;
p_public_compressed_enc_key := ''O;
p_compressed_enc_key_mode := -1;
}
// Calculate the whole certificate SHA
v_enc_value := encvalue(p_ec_certificate);
if (ischosen(p_ec_certificate.issuer.sha256AndDigest)) {
v_ec_hash := f_hashWithSha256(bit2oct(v_enc_value));
v_ec_hashed_id8 := f_hashedId8FromSha256(v_ec_hash);
} else {
v_ec_hash := f_hashWithSha384(bit2oct(v_enc_value));
v_ec_hashed_id8 := f_hashedId8FromSha384(v_ec_hash);
}
log("f_generate_inner_at_request_with_wrong_parameters: v_ec_hash= ", v_ec_hash);
log("f_generate_inner_at_request_with_wrong_parameters: v_ec_hashed_id8= ", v_ec_hashed_id8);
if (p_alter_signer_digest == true) {
v_ec_hashed_id8 := int2oct((f_getCurrentTimeUtc() * 1000), 8);
log("f_generate_inner_at_request_with_wrong_parameters: Altered v_ec_hashed_id8= ", v_ec_hashed_id8);
}
// Generate 32 octets length secret key
v_hmac_key := f_hashWithSha256(int2oct((f_getCurrentTimeUtc() * 1000), 12));
log("f_generate_inner_at_request_with_wrong_parameters: v_hmac_key= ", v_hmac_key);
// Generate tag based on the concatenation of verification keys & encryption keys
if (f_generate_key_tag(p_public_key_compressed, p_compressed_key_mode, p_public_compressed_enc_key, p_compressed_enc_key_mode, v_encoded_tag) == false) {
log("f_generate_inner_at_request_with_wrong_parameters: Failed to generate Key tag");
return false;
}
log("f_generate_inner_at_request_with_wrong_parameters: v_encoded_tag= ", v_encoded_tag);
// Generate hmac key
v_key_tag := substr(
fx_hmac_sha256( // TODO Rename and use a wrapper function
v_hmac_key,
v_encoded_tag
),
0,
16); // Leftmost 128 bits of the HMAC-SHA256 tag computed previously
log("f_generate_inner_at_request_with_wrong_parameters: v_key_tag= ", v_key_tag);
if (p_alter_hmac == true) {
v_hmac_key[0] := 'aa'O;
v_hmac_key[1] := 'bb'O;
log("f_generate_inner_at_request_with_wrong_parameters: Altered key_tag= ", v_hmac_key);
}
// Build the SharedAtRequest
if (not(ispresent(p_start))) {
v_start := p_ec_certificate.toBeSigned.validityPeriod.start_;
} else {
v_start := valueof(p_start);
log("f_generate_inner_at_request_with_wrong_parameters: Altered ValidityPeriod.start= ", v_start);
}
if (not(ispresent(p_duration))) {
v_duration := p_ec_certificate.toBeSigned.validityPeriod.duration;
} else {
v_duration := valueof(p_duration);
log("f_generate_inner_at_request_with_wrong_parameters: Altered ValidityPeriod.duration= ", v_duration);
}
p_inner_at_request.sharedAtRequest := valueof(
m_shared_at_request(
p_ea_hashed_id8, // eaId identifies the EA certificate shared with EA entity
v_key_tag, // Calculated keyTag
valueof(
m_certificate_subject_attributes(
v_appPermissions,
p_ec_certificate.toBeSigned.certRequestPermissions,
{ none_ := NULL },//p_ec_certificate.toBeSigned.id,
m_validityPeriod(v_start, v_duration),
p_ec_certificate.toBeSigned.region,
p_ec_certificate.toBeSigned.assuranceLevel
))) // Desired attributes
);
// Calculate the hash of the SharedAtRequest
v_hash_shared_at_request := f_hashWithSha256(bit2oct(encvalue(p_inner_at_request.sharedAtRequest)));
log("f_generate_inner_at_request_with_wrong_parameters: v_hash_shared_at_request= ", v_hash_shared_at_request);
// Build the ETsiTs103097Data-SignedExternalPayload
if (ispresent(p_generation_time)) {
v_tbs := m_toBeSignedData(
m_signedDataPayload_ext(v_hash_shared_at_request), // Payload containing extDataHash
m_headerInfo_inner_pki_request( // HeaderInfo
-,
valueof(p_generation_time) * 1000) //us
);
log("f_generate_inner_at_request_with_wrong_parameters: Altered generation time: v_tbs= ", v_tbs);
} else {
v_tbs := m_toBeSignedData(
m_signedDataPayload_ext(v_hash_shared_at_request), // Payload containing extDataHash
m_headerInfo_inner_pki_request( // HeaderInfo
-,
f_getCurrentTime() * 1000) //us
);
log("f_generate_inner_at_request_with_wrong_parameters: v_tbs= ", v_tbs);
}
// Signed ToBeSigned payload using the private key of EC certificate obtained from Enrolment request
// In case of ITS-S privacy, v_signed_at_signature contained the data to be encrypted
// TODO Simplify with f_signWithEcdsa
if (ischosen(p_ec_certificate.toBeSigned.verifyKeyIndicator.verificationKey.ecdsaBrainpoolP384r1)) {
v_hashId := sha384;
v_tbs_signed := f_signWithEcdsaBrainpoolp384r1WithSha384(bit2oct(encvalue(v_tbs)), v_ec_hash, p_ec_private_key);
v_signature := valueof(
m_signature_ecdsaBrainpoolP384r1(
m_ecdsaP384Signature(
m_eccP384CurvePoint_x_only(
substr(v_tbs_signed, 0, 48)
),
substr(v_tbs_signed, 48, 48)
)
)
);
} else {
v_hashId := sha256;
if (ischosen(p_ec_certificate.toBeSigned.verifyKeyIndicator.verificationKey.ecdsaBrainpoolP256r1)) {
v_tbs_signed := f_signWithEcdsaBrainpoolp256r1WithSha256(bit2oct(encvalue(v_tbs)), v_ec_hash, p_ec_private_key);
v_signature := valueof(
m_signature_ecdsaBrainpoolP256r1(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(
substr(v_tbs_signed, 0, 32)
),
substr(v_tbs_signed, 32, 32)
)
)
);
} else if (ischosen(p_ec_certificate.toBeSigned.verifyKeyIndicator.verificationKey.ecdsaNistP256)) {
v_tbs_signed := f_signWithEcdsaNistp256WithSha256(bit2oct(encvalue(v_tbs)), v_ec_hash, p_ec_private_key);
v_signature := valueof(
m_signature_ecdsaNistP256(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(
substr(v_tbs_signed, 0, 32)
),
substr(v_tbs_signed, 32, 32)
)
)
);
} else {
// Error
log("f_generate_inner_at_request_with_wrong_parameters: Failed to process signature");
return false;
}
}
v_signed_at_signature := valueof(
m_etsiTs103097Data_signed(
m_signedData(
v_hashId,
v_tbs,
m_signerIdentifier_digest(v_ec_hashed_id8), // Signer is the hasheId8 of the EC certificate obtained from Enrolment request
v_signature
)
)
);
log("f_generate_inner_at_request_with_wrong_parameters: v_signed_at_signature= ", v_signed_at_signature);
if (PICS_ITS_S_WITH_PRIVACY) { // Build EtsiTs102097Data-Encrypted structure
var octetstring v_public_enc_key;
var integer v_compressed_mode;
var Oct12 v_nonce;
var Oct16 v_authentication_vector;
var Oct16 v_aes_sym_key;
var Oct16 v_encrypted_sym_key;
var HashedId8 v_recipientId;
var octetstring v_public_compressed_ephemeral_key;
var integer v_public_compressed_ephemeral_mode;
var octetstring v_enc_signed_ec_signature;
var EncryptedDataEncryptionKey v_encrypted_data_encryption_key;
// Use EA certificate for the encryption
if (p_enc_algo == e_nist_p256) {
if (ischosen(p_ea_certificate.toBeSigned.encryptionKey.publicKey.eciesNistP256.compressed_y_0)) {
v_public_enc_key := p_ea_certificate.toBeSigned.encryptionKey.publicKey.eciesNistP256.compressed_y_0;
v_compressed_mode := 0;
} else if (ischosen(p_ea_certificate.toBeSigned.encryptionKey.publicKey.eciesNistP256.compressed_y_1)) {
v_public_enc_key := p_ea_certificate.toBeSigned.encryptionKey.publicKey.eciesNistP256.compressed_y_1;
v_compressed_mode := 1;
} else {
log("f_generate_inner_at_request_with_wrong_parameters: Wrong NistP256 encryption variant");
return false;
}
v_enc_signed_ec_signature := f_encryptWithEciesNistp256WithSha256(bit2oct(encvalue(v_signed_at_signature)), v_public_enc_key, v_compressed_mode, p_salt, v_public_compressed_ephemeral_key, v_public_compressed_ephemeral_mode, v_aes_sym_key, v_encrypted_sym_key, v_authentication_vector, v_nonce);
if (v_public_compressed_ephemeral_mode == 0) {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_0(v_public_compressed_ephemeral_key));
} else {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_1(v_public_compressed_ephemeral_key));
}
v_encrypted_data_encryption_key := valueof(
m_encryptedDataEncryptionKey_eciesNistP256(
m_evciesP256EncryptedKey(
v_eccP256_curve_point,
v_encrypted_sym_key,
v_authentication_vector
)));
} else if (p_enc_algo == e_brainpool_p256_r1) {
if (ischosen(p_ea_certificate.toBeSigned.encryptionKey.publicKey.eciesBrainpoolP256r1.compressed_y_0)) {
v_public_enc_key := p_ea_certificate.toBeSigned.encryptionKey.publicKey.eciesBrainpoolP256r1.compressed_y_0;
v_compressed_mode := 0;
} else if (ischosen(p_ea_certificate.toBeSigned.encryptionKey.publicKey.eciesBrainpoolP256r1.compressed_y_1)) {
v_public_enc_key := p_ea_certificate.toBeSigned.encryptionKey.publicKey.eciesBrainpoolP256r1.compressed_y_1;
v_compressed_mode := 1;
} else {
log("f_generate_inner_at_request_with_wrong_parameters: Wrong BrainpoolP256r1 encryption variant");
return false;
}
v_enc_signed_ec_signature := f_encryptWithEciesBrainpoolp256r1WithSha256(bit2oct(encvalue(v_signed_at_signature)), v_public_enc_key, v_compressed_mode, p_salt, v_public_compressed_ephemeral_key, v_public_compressed_ephemeral_mode, v_aes_sym_key, v_encrypted_sym_key, v_authentication_vector, v_nonce);
if (v_public_compressed_ephemeral_mode == 0) {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_0(v_public_compressed_ephemeral_key));
} else {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_1(v_public_compressed_ephemeral_key));
}
v_encrypted_data_encryption_key := valueof(
m_encryptedDataEncryptionKey_eciesBrainpoolP256r1(
m_evciesP256EncryptedKey(
v_eccP256_curve_point,
v_encrypted_sym_key,
v_authentication_vector
)));
} else {
log("f_generate_inner_at_request_with_wrong_parameters: Wrong encryption variant");
return false;
}
log("f_generate_inner_at_request_with_wrong_parameters: v_encrypted_data_encryption_key= ", v_encrypted_data_encryption_key);
v_recipientId := p_ea_hashed_id8; // RecipientId is the HashedId8 of the EA certificate
log("f_generate_inner_at_request_with_wrong_parameters: v_recipientId= ", v_recipientId);
// Fill Certificate template with the public compressed keys (canonical form)
p_inner_at_request.ecSignature := valueof(
m_ec_signature(
m_etsiTs103097Data_encrypted(
m_encryptedData(
{
m_recipientInfo_certRecipInfo(
m_pKRecipientInfo(
v_recipientId,
v_encrypted_data_encryption_key ))
},
m_symmetricCiphertext_aes128ccm(
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m_aesCcmCiphertext(
v_nonce,
v_enc_signed_ec_signature
)
)
)
)
)
);
} else { // Skip the encryption, alowed to be re-identified by the AA
p_inner_at_request.ecSignature := valueof(m_ec_signature_ext_payload(v_signed_at_signature));
}
// Build the InnerAtRequest, EcSignature field is already set
if (ischosen(p_ec_certificate.toBeSigned.verifyKeyIndicator.verificationKey.ecdsaNistP256)) {
if (p_compressed_key_mode == 0) {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_0(v_public_key_x));
} else {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_1(v_public_key_x));
}
v_public_verification_key := valueof(m_publicVerificationKey_ecdsaNistP256(v_eccP256_curve_point));
} else if (ischosen(p_ec_certificate.toBeSigned.verifyKeyIndicator.verificationKey.ecdsaBrainpoolP256r1)) {
if (p_compressed_key_mode == 0) {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_0(v_public_key_x));
} else {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_1(v_public_key_x));
}
v_public_verification_key := valueof(m_publicVerificationKey_ecdsaBrainpoolP256r1(v_eccP256_curve_point));
} else {
var EccP384CurvePoint v_eccP384_curve_point;
if (p_compressed_key_mode == 0) {
v_eccP384_curve_point := valueof(m_eccP384CurvePoint_compressed_y_0(v_public_key_x));
} else {
v_eccP384_curve_point := valueof(m_eccP384CurvePoint_compressed_y_1(v_public_key_x));
}
v_public_verification_key := valueof(m_publicVerificationKey_ecdsaBrainpoolP384r1(v_eccP384_curve_point));
}
if (PX_INCLUDE_ENCRYPTION_KEYS) {
if (p_compressed_enc_key_mode == 0) {
v_enc_eccP256_curve_point := m_eccP256CurvePoint_compressed_y_0(v_public_enc_key_x);
} else {
v_enc_eccP256_curve_point := m_eccP256CurvePoint_compressed_y_1(v_public_enc_key_x);
}
if (p_enc_algo == e_nist_p256) {
v_public_encryption_key := valueof(m_publicEncryptionKey_eciesNistP256(v_enc_eccP256_curve_point));
} else {
v_public_encryption_key := valueof(m_publicEncryptionKey_eciesBrainpoolP256r1(v_enc_eccP256_curve_point));
}
p_inner_at_request.publicKeys := valueof( // The freshly generated public verification & encrypition keys to be used for the requested AT certificate
m_publicKeys(
v_public_verification_key,
m_encryptionKey( // FIXME Encryption keys could be optional
-,
v_public_encryption_key
)
)
);
} else {
p_inner_at_request.publicKeys := valueof( // The freshly generated public verification keys to be used for the requested AT certificate
m_publicKeys(
v_public_verification_key
)
);
}
p_inner_at_request.hmacKey := v_hmac_key;
log("f_generate_inner_at_request_with_wrong_parameters: p_inner_at_request= ", p_inner_at_request);
return true;
} // End of function f_generate_inner_at_request_with_wrong_parameters
function f_verify_inner_at_request_signed_for_pop(
in EtsiTs102941Data p_etsi_ts_102941_data,
in EtsiTs103097Certificate p_ec_certificate,
out InnerAtRequest p_inner_at_request
) return boolean {
var bitstring v_msg_bit;
log(">>> f_verify_inner_at_request_signed_for_pop: p_etsi_ts_102941_data=", p_etsi_ts_102941_data);
log(">>> f_verify_inner_at_request_signed_for_pop: p_ec_certificate=", p_ec_certificate);
// 1. Extract content
p_inner_at_request := p_etsi_ts_102941_data.content.authorizationRequest;
// 2. Verify the InnerEcRequestSignedForPop signature
// TODO
log("<<< f_verify_inner_at_request_signed_for_pop: ", p_inner_at_request);
return true;
} // End of function f_verify_inner_at_request_signed_for_pop
function f_generate_inner_at_response(
in octetstring p_authorization_request_hash,
in EtsiTs103097Certificate p_certificate,
out InnerAtResponse p_authorization_response
) return boolean {
// Local variables
// Build the Proof of Possession InnerEcResponse
p_authorization_response := valueof(
m_innerAtResponse_ok(
substr(p_authorization_request_hash, 0, 16),
p_certificate
)
);
return true;
} // End of function f_generate_inner_at_response
} // End of group inner_at_xxx
group dc {
function f_build_dc(
in charstring p_rca_certificate_id,
out EtsiTs103097Certificate p_rca_certificate
) {
log(">>> f_build_dc");
// Load certificate
f_readCertificate(p_rca_certificate_id, p_rca_certificate);
}
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function f_verify_rca_ctl_response_message(
in EtsiTs103097Data p_etsi_ts_103097_signed_data,
in boolean p_check_security := true,
out ToBeSignedRcaCtl p_to_be_signed_rca_ctl
) return boolean {
var bitstring v_etsi_ts_102941_data_msg;
var bitstring v_tbs;
var Certificate v_certificate;
var charstring v_certificate_id;
var octetstring v_issuer;
var EtsiTs102941Data v_etsi_ts_102941_data;
log(">>> f_verify_rca_ctl_response_message: p_etsi_ts_103097_signed_data= ", p_etsi_ts_103097_signed_data);
// 1. Verify signature
log("f_verify_rca_ctl_response_message: p_etsi_ts_103097_signed_data.content.signedData.tbsData= ", p_etsi_ts_103097_signed_data.content.signedData.tbsData);
v_tbs := encvalue(p_etsi_ts_103097_signed_data.content.signedData.tbsData);
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if (ispresent(p_etsi_ts_103097_signed_data.content.signedData.signer.digest)) {
if (f_getCertificateFromDigest(p_etsi_ts_103097_signed_data.content.signedData.signer.digest, v_certificate, v_certificate_id) == false) {
log("f_verify_rca_ctl_response_message: Failed to retrieve certificate from ", p_etsi_ts_103097_signed_data.content.signedData.signer.digest);
if (p_check_security == true) {
return false;
}
}
log("f_verify_rca_ctl_response_message (1): v_certificate: ", v_certificate);
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committed
f_getCertificateHash(v_certificate_id, v_issuer);
} else {
v_certificate := p_etsi_ts_103097_signed_data.content.signedData.signer.certificate[0];
log("f_verify_rca_ctl_response_message (2): v_certificate: ", v_certificate);
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if (ispresent(v_certificate.issuer.sha256AndDigest)) {
v_issuer := v_certificate.issuer.sha256AndDigest;
} if (ispresent(v_certificate.issuer.sha384AndDigest)) {
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v_issuer := v_certificate.issuer.sha384AndDigest;
} else { // self_
if (v_certificate.issuer.self_ == sha256) {
v_issuer := int2oct(0, 32);
} else {
v_issuer := int2oct(0, 48);
}
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}
}
if (f_verifyEcdsa(bit2oct(v_tbs), v_issuer, p_etsi_ts_103097_signed_data.content.signedData.signature_, v_certificate.toBeSigned.verifyKeyIndicator.verificationKey) == false) {
log("f_verify_rca_ctl_response_message: Failed to verify signature");
if (p_check_security == true) {
return false;
}
}
v_etsi_ts_102941_data_msg := oct2bit(p_etsi_ts_103097_signed_data.content.signedData.tbsData.payload.data.content.unsecuredData);
if (decvalue(v_etsi_ts_102941_data_msg, v_etsi_ts_102941_data) != 0) {
log("f_verify_rca_ctl_response_message: Failed to decode EtsiTs102941Data");
return false;
} else {
log("f_verify_rca_ctl_response_message: v_etsi_ts_102941_data= ", v_etsi_ts_102941_data);
log("f_verify_pki_response_message: RcaCertificateTrustListMessage matching= ", match(v_etsi_ts_102941_data, mw_etsiTs102941Data_to_be_signed_rca_ctl));
if (match(v_etsi_ts_102941_data, mw_etsiTs102941Data_to_be_signed_rca_ctl) == false) {
log("f_verify_rca_ctl_response_message: Failed to decode certificateTrustListRca");
return false;
} else {
var Time32 v_time := (f_getCurrentTime()/* - 1072915200000*/) / 1000;
p_to_be_signed_rca_ctl := v_etsi_ts_102941_data.content.certificateTrustListRca;
log("f_verify_rca_ctl_response_message: p_to_be_signed_rca_ctl= ", p_to_be_signed_rca_ctl);
if (p_to_be_signed_rca_ctl.nextUpdate <= v_time) {
log("f_verify_rca_ctl_response_message: Invalid nextUpdate value: compared values=", p_to_be_signed_rca_ctl.nextUpdate, "/", v_time);
return false;
}
// TODO Verify RCA certificate & signature
}
}
return true;
}
function f_verify_rca_crl_response_message(
in EtsiTs103097Data p_etsi_ts_103097_signed_data,
in boolean p_check_security := true,
out ToBeSignedCrl p_to_be_signed_crl
) return boolean {
var bitstring v_etsi_ts_102941_data_msg;
var bitstring v_tbs;
var Certificate v_certificate;
var charstring v_certificate_id;
var octetstring v_issuer;
var EtsiTs102941Data v_etsi_ts_102941_data;
log(">>> f_verify_rca_crl_response_message: p_etsi_ts_103097_signed_data= ", p_etsi_ts_103097_signed_data);
// 1. Verify signature
log("f_verify_rca_crl_response_message: p_etsi_ts_103097_signed_data.content.signedData.tbsData= ", p_etsi_ts_103097_signed_data.content.signedData.tbsData);
v_tbs := encvalue(p_etsi_ts_103097_signed_data.content.signedData.tbsData);
if (f_getCertificateFromDigest(p_etsi_ts_103097_signed_data.content.signedData.signer.digest, v_certificate, v_certificate_id) == false) {
log("f_verify_rca_crl_response_message: Failed to retrieve certificate from ", p_etsi_ts_103097_signed_data.content.signedData.signer.digest);
if (p_check_security == true) {
return false;
}
}
f_getCertificateHash(v_certificate_id, v_issuer);
if (f_verifyEcdsa(bit2oct(v_tbs), v_issuer, p_etsi_ts_103097_signed_data.content.signedData.signature_, v_certificate.toBeSigned.verifyKeyIndicator.verificationKey) == false) {
log("f_verify_rca_crl_response_message: Failed to verify signature");
if (p_check_security == true) {
return false;
}
}
v_etsi_ts_102941_data_msg := oct2bit(p_etsi_ts_103097_signed_data.content.signedData.tbsData.payload.data.content.unsecuredData);
if (decvalue(v_etsi_ts_102941_data_msg, v_etsi_ts_102941_data) != 0) {
log("f_verify_rca_crl_response_message: Failed to decode EtsiTs102941Data");
return false;
} else {
log("f_verify_rca_crl_response_message: v_etsi_ts_102941_data= ", v_etsi_ts_102941_data);
log("f_verify_pki_response_message: CertificateRevocationList matching= ", match(v_etsi_ts_102941_data, mw_etsiTs102941Data_to_be_signed_crl));
if (match(v_etsi_ts_102941_data, mw_etsiTs102941Data_to_be_signed_crl) == false) {
log("f_verify_rca_crl_response_message: Failed to decode certificateRevocationList");
return false;
} else {
var Time32 v_time := (f_getCurrentTime()/* - 1072915200000*/) / 1000;
p_to_be_signed_crl := v_etsi_ts_102941_data.content.certificateRevocationList;
log("f_verify_rca_crl_response_message: p_to_be_signed_crl= ", p_to_be_signed_crl);
if (p_to_be_signed_crl.thisUpdate >= v_time) {
log("f_verify_rca_crl_response_message: Invalid thisUpdate value");
return false;
}
if (p_to_be_signed_crl.nextUpdate <= v_time) {
log("f_verify_rca_crl_response_message: Invalid nextUpdate value");
return false;
}
// TODO Verify RCA certificate & signature
}
}
return true;
}
/**
* @desc this function is used to retrieve the root certificate from SubCA entity
* @param p_certificate The root certificate
* @return 0 on success, -1 otherwise
*/
function f_get_root_ca_certificate(
in charstring p_iut_certificate := "CERT_IUT_A_CA",
in boolean p_explicit_type := false,
out Certificate p_certificate
) runs on ItsPkiHttp return integer {
var Headers v_headers;
var HttpMessage v_response;
var octetstring v_os;
var bitstring v_msg_bit;
log(">>> f_get_root_ca_certificate");
// Get root certificate
f_cfHttpUp_ca();
f_init_default_headers_list(PICS_HEADER_CTL_CONTENT_TYPE, "ca_request", v_headers);
// Test Body
f_http_send(
v_headers,
m_http_request(
m_http_request_get(
PICS_HTTP_GET_URI_DC,
v_headers
)));
tc_ac.start;
alt {
[not(PICS_MULTIPLE_END_POINT)] httpPort.receive(
mw_http_response(
mw_http_response_ok(
mw_http_message_body_binary(
mw_binary_body_ieee1609dot2_certificate
)))) -> value v_response {
tc_ac.stop;
[PICS_MULTIPLE_END_POINT] httpCaPort.receive(
mw_http_response(
mw_http_response_ok(
mw_http_message_body_binary(
mw_binary_body_ieee1609dot2_certificate
)))) -> value v_response {
tc_ac.stop;
}
[] tc_ac.timeout {
}
} // End of 'alt' statement
f_cfHttpDown_ca();
if (not(isvalue(v_response))) {
log("f_get_root_ca_certificate: fail to get certificate");
return -1;
log("v_response.response.body.binary_body.ieee1609dot2_certificate: ", v_response.response.body.binary_body.ieee1609dot2_certificate);
p_certificate := v_response.response.body.binary_body.ieee1609dot2_certificate;
log("<<< f_get_root_ca_certificate: ", p_certificate);
return 0;
function f_verify_rca_certificate(
in charstring p_authorized_certificate := "CERT_IUT_A_RCA",//"CERT_IUT_A_RCA",
in Certificate p_certificate,
in boolean p_check_implicit := false,
in boolean p_check_reconstruction_value := false,
in boolean p_check_no_signature := false,
in boolean p_check_region_restriction := false,
in boolean p_check_signature_content := false,
in boolean p_check_app_permissions := false,
in boolean p_check_app_ssps := false,
in boolean p_check_app_validity_period := false
) return boolean {
var CertificateType v_type_ := explicit;
var template Signature v_signature_ := ?;
var template IssuerIdentifier v_issuer := ?;
var template PublicVerificationKey v_public_verification_key := ?;
log(">>> f_verify_rca_certificate: p_authorized_certificate= ", p_authorized_certificate);
log(">>> f_verify_rca_certificate: p_certificate= ", p_certificate);
if (p_check_implicit == true) {
v_type_ := implicit;
}
if (p_check_no_signature == true) {
v_signature_ := omit;
}
if (match(p_certificate, mw_etsiTs103097Certificate(-, -, v_signature_, v_type_)) == false) {
log("f_verify_rca_certificate: version/explicit mismatch");
YannGarcia
committed
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return false;
}
if (p_check_reconstruction_value == false) {
if (match(p_certificate, mw_etsiTs103097Certificate(
-,
mw_toBeSignedCertificate_ca(
(mw_certificateId_none, mw_certificateId_name),
-,
-,
mw_verificationKeyIndicator_verificationKey
),
v_signature_
)) == false) {
log("f_verify_rca_certificate: verificationKey mismatch");
return false;
}
if (p_check_signature_content) {
var template PublicVerificationKey v_publicVerificationKey;
if (PICS_SEC_SHA256) {
v_signature_ := mw_signature_ecdsaNistP256;
v_issuer := (mw_issuerIdentifier_self(sha256), mw_issuerIdentifier_sha256AndDigest);
v_public_verification_key := mw_publicVerificationKey_ecdsaNistP256;
} else if (PICS_SEC_BRAINPOOL_P256R1) {
v_signature_ := mw_signature_ecdsaBrainpoolP256r1;
v_issuer := (mw_issuerIdentifier_self(sha256), mw_issuerIdentifier_sha256AndDigest);
v_public_verification_key := mw_publicVerificationKey_ecdsaBrainpoolP256r1;
} else if (PICS_SEC_BRAINPOOL_P384R1) {
v_signature_ := mw_signature_ecdsaBrainpoolP384r1;
v_issuer := (mw_issuerIdentifier_self(sha384), mw_issuerIdentifier_sha384AndDigest);
v_public_verification_key := mw_publicVerificationKey_ecdsaBrainpoolP384r1;
}
if (match(p_certificate, mw_etsiTs103097Certificate(
v_issuer,
mw_toBeSignedCertificate_ca(
(mw_certificateId_none, mw_certificateId_name),
-,
-,
mw_verificationKeyIndicator_verificationKey(v_public_verification_key),
-, -, -, -,
-//mw_encryptionKey
),
v_signature_
)) == false) {
log("f_verify_rca_certificate: signature mismatch");
return false;
}
// Verify Signature
if (ischosen(p_certificate.issuer.self_)) {
v_publicVerificationKey := p_certificate.toBeSigned.verifyKeyIndicator.verificationKey;
} else {
var HashedId8 v_digest;
var Certificate v_authorized_certificate;
var charstring v_cert;
if (ischosen(p_certificate.issuer.sha256AndDigest)) {
v_digest := p_certificate.issuer.sha256AndDigest;
} else if (ischosen(p_certificate.issuer.sha384AndDigest)) {
v_digest := p_certificate.issuer.sha384AndDigest;
} else {
log("f_verify_rca_certificate: Invalid certificate issuer ", p_certificate.issuer);
return false;
}
if (f_getCertificateFromDigest(v_digest, v_authorized_certificate, v_cert) == false) {
log("f_verify_rca_certificate: Fail to load p_authorized_certificate");
return false;
}
v_publicVerificationKey := v_authorized_certificate.toBeSigned.verifyKeyIndicator.verificationKey
}
log("f_verify_rca_certificate: v_publicVerificationKey= ", v_publicVerificationKey);
if (f_verifyCertificateSignatureWithPublicKey(p_certificate, v_publicVerificationKey) == false) {
log("f_verify_rca_certificate: signature not verified");
return false;
}
}
} else {
if (match(p_certificate, mw_etsiTs103097Certificate(
-,
mw_toBeSignedCertificate_ca(
(mw_certificateId_none, mw_certificateId_name),
-,
-,
mw_verificationKeyIndicator_reconstructionValue
),
v_signature_
)) == false) {
log("f_verify_rca_certificate: verificationKey mismatch");
return false;
}
// TODO Verify Signature
}
if (p_check_region_restriction == true) {
var Certificate v_authorized_certificate;
var template GeographicRegion v_geographic_region := ?;
if (f_readCertificate(p_authorized_certificate, v_authorized_certificate) == false) {
log("f_verify_rca_certificate: Fail to load p_authorized_certificate");
return false;
}
log("f_verify_rca_certificate: v_authorized_certificate=", v_authorized_certificate);
if (PICS_SEC_CIRCULAR_REGION == true) {
v_geographic_region := mw_geographicRegion_circle;
} else if (PICS_SEC_RECTANGULAR_REGION == true) {
v_geographic_region := mw_geographicRegion_rectangular;
} else if (PICS_SEC_POLYGONAL_REGION == true) {
v_geographic_region := mw_geographicRegion_polygonal;
} else if (PICS_SEC_IDENTIFIED_REGION == true) {
v_geographic_region := mw_geographicRegion_identified(
{
(mw_identifiedRegion_country_only, mw_identifiedRegion_country_and_region)
}
);
}
if (match(p_certificate, mw_etsiTs103097Certificate(
-,
mw_toBeSignedCertificate_ca(
-,
-,
-,
-,
-,
-,
v_geographic_region
)
)) == false) {
log("f_verify_rca_certificate: Geographical region mismatch");
return false;
}
// Check interception of area
if (f_checkRegionValidityRestiction(v_authorized_certificate, p_certificate) == false) {
log("f_verify_rca_certificate: Geographical region intersection mismatch");
return false;
}
}
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// Check appPermissions
if (p_check_app_permissions == true) {
var integer v_idx, v_jdx;
var charstring v_psid := ""; // 'psid' currently processed
var charstring v_psidsFound := ";"; // Used to build the list of the 'psid' already processed
var template charstring m_found_pattern; // Used in regex to verify that 'psid' was not found before
var Certificate v_authorized_certificate;
if (f_readCertificate(p_authorized_certificate, v_authorized_certificate) == false) {
log("f_verify_rca_certificate: Fail to load p_authorized_certificate");
return false;
}
log("f_verify_rca_certificate: v_authorized_certificate=", v_authorized_certificate);
if (match(v_authorized_certificate.toBeSigned.certIssuePermissions, { mw_psidGroupPermissions }) == false) {
log("f_verify_rca_certificate: eeType mismatch");
return false;
}
for (v_idx := 0; v_idx < lengthof(p_certificate.toBeSigned.appPermissions); v_idx := v_idx + 1) {
log("f_verify_rca_certificate: Processing ", p_certificate.toBeSigned.appPermissions[v_idx]);
if (match(p_certificate.toBeSigned.appPermissions[v_idx], mw_appPermissions) == false) {
log("f_verify_rca_certificate: PsidSsp mismatch");
return false;
}
// Check uniqueness of PSIDs
v_psid := int2str(p_certificate.toBeSigned.appPermissions[v_idx].psid);
m_found_pattern := pattern "*({v_psid})*";
if (regexp(v_psidsFound, m_found_pattern, 0) == v_psid) {
log("f_verify_rca_certificate: Psid uniqueness is not verified");
return false; // v_psid exist at least 2 times, uniqueness is not verified
}
// v_psid non found, add it into the built list
v_psidsFound := v_psidsFound & v_psid & ";";
// Check that 'psid' is in the certIssuePermissions component in the issuing certificate
if (match(v_authorized_certificate.toBeSigned.certIssuePermissions[0].subjectPermissions, mw_subjectPermissions_explicit) == false) {
for (v_jdx := 0; v_jdx < lengthof(v_authorized_certificate.toBeSigned.certIssuePermissions[0].subjectPermissions.explicit); v_jdx := v_jdx + 1) {
if (int2str(v_authorized_certificate.toBeSigned.certIssuePermissions[0].subjectPermissions.explicit[v_jdx].psid) == v_psid) {
break;
}
} // End of 'for'statement
if (v_jdx == lengthof(v_authorized_certificate.toBeSigned.certIssuePermissions[0].subjectPermissions.explicit)) {
log("f_verify_rca_certificate: Psid is not in the list of the issuing certificate");
return false;
}
}
} // End of 'for'statement
}
if (p_check_app_ssps == true) {
var integer v_idx, v_jdx;
var Certificate v_authorized_certificate;
if (f_readCertificate(p_authorized_certificate, v_authorized_certificate) == false) {
log("f_verify_rca_certificate: Fail to load p_authorized_certificate");
return false;
}
log("f_verify_rca_certificate: v_authorized_certificate=", v_authorized_certificate);
for (v_idx := 0; v_idx < lengthof(p_certificate.toBeSigned.appPermissions); v_idx := v_idx + 1) {
log("f_verify_rca_certificate: Processing ", p_certificate.toBeSigned.appPermissions[v_idx]);
if (match(p_certificate.toBeSigned.appPermissions[v_idx], mw_appPermissions(-, ?)) == false) {
log("f_verify_rca_certificate: appPermissions mismatch");
return false;
}
// Check that 'ssp' is in the certIssuePermissions component in the issuing certificate
for (v_jdx := 0; v_jdx < lengthof(v_authorized_certificate.toBeSigned.certIssuePermissions[0].subjectPermissions.explicit); v_jdx := v_jdx + 1) {
log("f_verify_rca_certificate: compare psid ", v_authorized_certificate.toBeSigned.certIssuePermissions[0].subjectPermissions.explicit[v_jdx].psid, " - ", p_certificate.toBeSigned.appPermissions[v_idx].psid);
if (v_authorized_certificate.toBeSigned.certIssuePermissions[0].subjectPermissions.explicit[v_jdx].psid == p_certificate.toBeSigned.appPermissions[v_idx].psid) {
break;
}
} // End of 'for'statement
if (v_jdx == lengthof(v_authorized_certificate.toBeSigned.certIssuePermissions[0].subjectPermissions.explicit)) {
log("f_verify_rca_certificate: Psid is not in the list of the issuing certificate");
return false;
} else {
var BitmapSsp v_ssp_ca := substr(v_authorized_certificate.toBeSigned.certIssuePermissions[0].subjectPermissions.explicit[v_jdx].sspRange.bitmapSspRange.sspValue, 1, -1 + lengthof(v_authorized_certificate.toBeSigned.certIssuePermissions[0].subjectPermissions.explicit[v_jdx].sspRange.bitmapSspRange.sspValue));
log("f_verify_rca_certificate: v_ssp_ca= ", v_ssp_ca, " - ssp= ", p_certificate.toBeSigned.appPermissions[v_idx].ssp.bitmapSsp);
if (v_ssp_ca != p_certificate.toBeSigned.appPermissions[v_idx].ssp.bitmapSsp) {
log("f_verify_rca_certificate: SSPs mismatch: CA");
return false;
}
}
} // End of 'for'statement
}
if (p_check_app_validity_period == true) {
var integer v_idx, v_jdx;
var Certificate v_authorized_certificate;
var UInt32 v_duration, v_duration_ca;
if (f_readCertificate(p_authorized_certificate, v_authorized_certificate) == false) {
log("f_verify_rca_certificate: Fail to load p_authorized_certificate");
return false;
}
log("f_verify_rca_certificate: v_authorized_certificate=", v_authorized_certificate);
// Check start date (indicating X_START_VALIDITY ( X_START_VALIDITY >= X_START_VALIDITY_CA ))
if (p_certificate.toBeSigned.validityPeriod.start_ < v_authorized_certificate.toBeSigned.validityPeriod.start_) {
log("f_verify_rca_certificate: validityPeriod.start_ mismatch");
return false;
}
// Check duration (value <= X_START_VALIDITY_CA + X_DURATION_CA - X_START_VALIDITY)
v_duration := duration_to_uint32(p_certificate.toBeSigned.validityPeriod.duration);
v_duration_ca := duration_to_uint32(v_authorized_certificate.toBeSigned.validityPeriod.duration);
if (v_duration > (v_authorized_certificate.toBeSigned.validityPeriod.start_ + v_duration_ca - p_certificate.toBeSigned.validityPeriod.start_)) {
log("f_verify_rca_certificate: validityPeriod.duration mismatch");
return false;
}
}
return true;
}
function duration_to_uint32(
in Duration p_duration
) return UInt32 {
if (ischosen(p_duration.microseconds)) {
return p_duration.microseconds * 1000000;
}
else if (ischosen(p_duration.milliseconds)) {
return p_duration.milliseconds * 1000;
}
else if (ischosen(p_duration.seconds)) {
return p_duration.seconds;
}
else if (ischosen(p_duration.minutes)) {
return p_duration.minutes * 60;
}
else if (ischosen(p_duration.hours)) {
return p_duration.hours * 3600;
}
else if (ischosen(p_duration.sixtyHours)) {
return p_duration.sixtyHours * 60 * 3600;
}
else if (ischosen(p_duration.sixtyHours)) {
return p_duration.sixtyHours * 60 * 3600;
}
// No choice!
return p_duration.years * 31536000; // One calendar common year has 365 days
}
} // End of group dc
group ctl {
function f_build_ctl(
in charstring p_ea_certificate_id,
in charstring p_aa_certificate_id,
in charstring p_rca_certificate_id,
out ToBeSignedRcaCtl p_to_be_signed_rca_ctl
) {
// Local variables
var EtsiTs103097Certificate v_ea_certificate;
var EtsiTs103097Certificate v_aa_certificate;
var Oct32 v_rca_hash;
var CtlCommands v_ctl_commands;
var Time32 v_time;
log(">>> f_build_ctl");
// Load certificates
f_readCertificate(p_ea_certificate_id, v_ea_certificate);
f_readCertificate(p_aa_certificate_id, v_aa_certificate);
f_getCertificateHash256(p_rca_certificate_id, v_rca_hash);
v_ctl_commands := {
{ add := { ea := valueof(m_ea_entry(v_ea_certificate, PICS_EA_ENDPOINT)) } },
{ add := { aa := valueof(m_aa_entry(v_aa_certificate, PICS_AA_ENDPOINT)) } },
{ add := { dc := valueof(m_dc_entry(PICS_DC_ENDPOINT, { f_hashedId8FromSha256(v_rca_hash) })) } }
};
log("f_build_ctl: v_ctl_commands= ", v_ctl_commands);
// Build the main data structure
v_time := f_getCurrentTime() / 1000;/*in seconds*/
p_to_be_signed_rca_ctl := valueof(m_to_be_signed_rca_full_ctl(v_time + 30 * 86400/*30 days in seconds*/, PX_CTL_SEQUENCE_NUMBER, v_ctl_commands));
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log("<<< f_build_ctl: p_to_be_signed_rca_ctl= ", p_to_be_signed_rca_ctl);
} // End of function f_build_ctl
function f_sign_dc_ctl(
in charstring p_signer_certificate_id,
in ToBeSignedRcaCtl p_to_be_signed_rca_ctl,
out Ieee1609Dot2Data p_ieee_1609Dot2_signed_data
) {
// Local variables
var EtsiTs103097Certificate v_certificate;
var EtsiTs102941Data v_etsi_ts_102941_data;
var octetstring v_pki_message;
var ToBeSignedData v_tbs;
var octetstring v_private_key;
var octetstring v_issuer;
var bitstring v_tbs_encoded;
var octetstring v_sig;
var Signature v_signature;
log(">>> f_sign_dc_ctl");
f_readSigningKey(p_signer_certificate_id, v_private_key);
f_getCertificateHash(p_signer_certificate_id, v_issuer);
f_readCertificate(p_signer_certificate_id, v_certificate);
// Encode the main data structure
v_etsi_ts_102941_data := valueof(m_etsiTs102941Data_to_be_signed_rca_ctl(p_to_be_signed_rca_ctl));
v_pki_message := bit2oct(encvalue(v_etsi_ts_102941_data));
// Signed the encoded PKI message
v_tbs := valueof(
m_toBeSignedData(
m_signedDataPayload(
m_etsiTs103097Data_unsecured(v_pki_message)
),
m_headerInfo_inner_pki_ctl_response(-, (f_getCurrentTime() * 1000)/*us*/)
)
);
v_tbs_encoded := encvalue(v_tbs);
// Sign the certificate
v_sig := f_signWithEcdsa(bit2oct(v_tbs_encoded), v_issuer, v_private_key);
if ((PX_VE_ALG == e_nist_p256) or (PX_VE_ALG == e_brainpool_p256_r1)) {
v_signature := valueof(
m_signature_ecdsaNistP256(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(
substr(v_sig, 0, 32)
),
substr(v_sig, 32, 32)
)
));
p_ieee_1609Dot2_signed_data := valueof(
m_etsiTs103097Data_signed(
m_signedData(
sha256,
v_tbs,
m_signerIdentifier_certificates({v_certificate}),
v_signature
)
)
);
} else if (PX_VE_ALG == e_brainpool_p384_r1) {
v_signature := valueof(
m_signature_ecdsaBrainpoolP384r1(
m_ecdsaP384Signature(
m_eccP384CurvePoint_x_only(
substr(v_sig, 0, 48)
),
substr(v_sig, 48, 48)
)
));
p_ieee_1609Dot2_signed_data := valueof(
m_etsiTs103097Data_signed(
m_signedData(
sha384,
v_tbs,
m_signerIdentifier_certificates({v_certificate}),
v_signature
)
)
);
}
log("<<< f_sign_dc_ctl: p_ieee_1609Dot2_signed_data= ", p_ieee_1609Dot2_signed_data);
} // End of function f_sign_dc_ctl
function f_verify_full_ctl(
in ToBeSignedRcaCtl p_to_be_signed_rca_ctl
) return boolean {
log(">>> f_verify_full_ctl: p_to_be_signed_rca_ctl= ", p_to_be_signed_rca_ctl);
// 1. Check mandatory fields
log("f_verify_full_ctl matching= ", match(p_to_be_signed_rca_ctl, mw_to_be_signed_rca_full_ctl));
if (match(p_to_be_signed_rca_ctl, mw_to_be_signed_rca_full_ctl) == false) {
return false;
}
log("f_verify_full_ctl: ctlCommands length: ", lengthof(p_to_be_signed_rca_ctl.ctlCommands));
for (var integer v_i := 0; v_i < lengthof(p_to_be_signed_rca_ctl.ctlCommands); v_i := v_i + 1) {
var CtlCommand v_ctl_command := p_to_be_signed_rca_ctl.ctlCommands[v_i];
if (ischosen(v_ctl_command.delete)) {
log("f_verify_full_ctl: ctlCommands shall not contains 'delete' variant");
return false;
} else {
if (f_verify_ctl_entry(v_ctl_command.add) == false) {
log("f_verify_full_ctl: ctlCommands contains invalid entries");
return false;
}
}
} // End of 'for' statements
return true;
} // End of function f_verify_full_ctl
function f_verify_ctl_entry(
in CtlEntry p_ctl_entry
) return boolean {
log(">>> f_verify_ctl_entry: p_ctl_entry=", p_ctl_entry);
if (ischosen(p_ctl_entry.rca)) {
if (match(p_ctl_entry.rca, mw_root_ca_entry(mw_etsiTs103097Certificate)) == false) {
return false;
} else {
// TODO Verify RCA certificate & signature
}
} else if (ischosen(p_ctl_entry.ea)) {
if (match(p_ctl_entry.ea, mw_ea_entry(mw_etsiTs103097Certificate)) == false) {
return false;
} else {
// TODO Verify RCA certificate & signature
}
} else if (ischosen(p_ctl_entry.aa)) {
if (match(p_ctl_entry.aa, mw_aa_entry(mw_etsiTs103097Certificate)) == false) {
return false;
} else {
// TODO Verify RCA certificate & signature
}
} else if (ischosen(p_ctl_entry.dc)) {
if (match(p_ctl_entry.dc, mw_dc_entry) == false) {
return false;
} else {
// TODO Verify RCA certificate & signature
}
} else {
return false;
}
return true;
} // End of function f_verify_ctl_entry
} // End of group ctl
group crl {
function f_build_crl(
in template (omit) charstring p_ea_certificate_id := omit,
in template (omit) charstring p_aa_certificate_id := omit,
out ToBeSignedCrl p_to_be_signed_crl
) {
// Local variables
var HashedId8 v_hashed_id8;
var CrlEntries v_crl_entries := {}; // Empty list
var integer v_counter := 0;
var Time32 v_time;
log(">>> f_build_crl");
if (ispresent(p_ea_certificate_id)) {
f_getCertificateHash(valueof(p_ea_certificate_id), v_hashed_id8);
v_crl_entries[v_counter] := v_hashed_id8;
v_counter := v_counter + 1;
}
if (ispresent(p_aa_certificate_id)) {
f_getCertificateHash(valueof(p_aa_certificate_id), v_hashed_id8);
v_crl_entries[v_counter] := v_hashed_id8;
v_counter := v_counter + 1;
}
log("f_build_crl: v_crl_entries= ", v_crl_entries);
// Build the main data structure
v_time := f_getCurrentTime() / 1000; /*in seconds*/
p_to_be_signed_crl := valueof(m_to_be_signed_crl(v_time, v_time + 30 * 86400/*30 days in seconds*/, v_crl_entries));
log("<<< f_build_crl: p_to_be_signed_crl= ", p_to_be_signed_crl);
} // End of function f_build_crl
function f_sign_dc_crl(
in charstring p_signer_certificate_id,
in ToBeSignedCrl p_to_be_signed_crl,
out Ieee1609Dot2Data p_ieee_1609Dot2_signed_data
) {
// Local variables
var EtsiTs103097Certificate v_certificate;
var EtsiTs102941Data v_etsi_ts_102941_data;
var octetstring v_pki_message;
var ToBeSignedData v_tbs;
var octetstring v_private_key;
var octetstring v_issuer;
var bitstring v_tbs_encoded;
var octetstring v_sig;
var Signature v_signature;
log(">>> f_sign_dc_crl");
f_readSigningKey(p_signer_certificate_id, v_private_key);
f_getCertificateHash(p_signer_certificate_id, v_issuer);
f_readCertificate(p_signer_certificate_id, v_certificate);
// Encode the main data structure
v_etsi_ts_102941_data := valueof(m_etsiTs102941Data_to_be_signed_crl(p_to_be_signed_crl));
v_pki_message := bit2oct(encvalue(v_etsi_ts_102941_data));
// Signed the encoded PKI message
v_tbs := valueof(
m_toBeSignedData(
m_signedDataPayload(
m_etsiTs103097Data_unsecured(v_pki_message)
),
m_headerInfo_inner_pki_crl_response(-, (f_getCurrentTime() * 1000)/*us*/)
)
);
v_tbs_encoded := encvalue(v_tbs);
// Sign the certificate
v_sig := f_signWithEcdsa(bit2oct(v_tbs_encoded), v_issuer, v_private_key);
if ((PX_VE_ALG == e_nist_p256) or (PX_VE_ALG == e_brainpool_p256_r1)) {
v_signature := valueof(
m_signature_ecdsaNistP256(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(
substr(v_sig, 0, 32)
),
substr(v_sig, 32, 32)
)
));
p_ieee_1609Dot2_signed_data := valueof(
m_etsiTs103097Data_signed(
m_signedData(
sha256,
v_tbs,
m_signerIdentifier_certificates({v_certificate}),
v_signature
)
)
);
} else if (PX_VE_ALG == e_brainpool_p384_r1) {
v_signature := valueof(
m_signature_ecdsaBrainpoolP384r1(
m_ecdsaP384Signature(
m_eccP384CurvePoint_x_only(
substr(v_sig, 0, 48)
),
substr(v_sig, 48, 48)
)
));
p_ieee_1609Dot2_signed_data := valueof(
m_etsiTs103097Data_signed(
m_signedData(
sha384,
v_tbs,
m_signerIdentifier_certificates({v_certificate}),
v_signature
)
)
);
}
log("<<< f_sign_dc_crl: p_ieee_1609Dot2_signed_data= ", p_ieee_1609Dot2_signed_data);
} // End of function f_sign_dc_crl
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function f_verify_full_crl(
in ToBeSignedCrl p_to_be_signed_crl
) return boolean {
log(">>> f_verify_full_crl: p_to_be_signed_crl= ", p_to_be_signed_crl);
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// 1. Check mandatory fields
log("f_verify_full_crl matching= ", match(p_to_be_signed_crl, mw_to_be_signed_crl));
if (match(p_to_be_signed_crl, mw_to_be_signed_crl) == false) {
return false;
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}
log("f_verify_full_crl: entries length: ", lengthof(p_to_be_signed_crl.entries));
for (var integer v_i := 0; v_i < lengthof(p_to_be_signed_crl.entries); v_i := v_i + 1) {
var CrlEntry v_crl_entry := p_to_be_signed_crl.entries[v_i];
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log("f_verify_full_crl: crlEntry: v_crl_entry");
} // End of 'for' statements
return true;
} // End of function f_verify_full_crl
} // End of group crl
group tlm {
function f_build_tlm(
in charstring p_tlm_certificate_id,
in charstring p_rca_certificate_id,
out ToBeSignedTlmCtl p_to_be_signed_tlm_crl
) {
// Local variables
var EtsiTs103097Certificate v_tlm_certificate;
var EtsiTs103097Certificate v_rca_certificate;
var CtlCommands v_ctl_commands; // Empty list
var Oct32 v_rca_hash;
var Time32 v_time;
log(">>> f_build_tlm");
// Load certificates
f_readCertificate(p_tlm_certificate_id, v_tlm_certificate);
f_readCertificate(p_rca_certificate_id, v_rca_certificate);
f_getCertificateHash256(p_rca_certificate_id, v_rca_hash);
// Create ctlCommnand list
v_ctl_commands := {
{ add := { tlm := valueof(m_tlm_entry(v_tlm_certificate, PICS_TLM_ENDPOINT)) } },
{ add := { rca := valueof(m_root_ca_entry(v_rca_certificate)) } },
{ add := { dc := valueof(m_dc_entry(PICS_DC_ENDPOINT, { f_hashedId8FromSha256(v_rca_hash) })) } }
};
log("f_build_tlm: v_ctl_commands= ", v_ctl_commands);
// Build the main data structure
v_time := f_getCurrentTimeUtc() / 1000/*in s*/;
//log("f_build_ctl: v_time= ", v_time);
//log("f_build_ctl: v_time + 86400= ", v_time + 86400);
p_to_be_signed_tlm_crl := valueof(mw_to_be_signed_tlm_full_ctl(v_time + 86400/*1days*/, 7, v_ctl_commands));
log("<<< f_build_tlm: p_to_be_signed_tlm_crl= ", p_to_be_signed_tlm_crl);
} // End of function f_buif_build_tlmld_Tlm
function f_verify_full_ectl(
in ToBeSignedRcaCtl p_to_be_signed_tlm_ectl
) return boolean {
log(">>> f_verify_full_ectl: p_to_be_signed_tlm_ectl= ", p_to_be_signed_tlm_ectl);
// 1. Check mandatory fields
log("f_verify_full_ectl matching= ", match(p_to_be_signed_tlm_ectl, mw_to_be_signed_rca_full_ctl));
if (match(p_to_be_signed_tlm_ectl, mw_to_be_signed_rca_full_ctl) == false) {
return false;
}
log("f_verify_full_ectl: ctlCommands length: ", lengthof(p_to_be_signed_tlm_ectl.ctlCommands));
for (var integer v_i := 0; v_i < lengthof(p_to_be_signed_tlm_ectl.ctlCommands); v_i := v_i + 1) {
var CtlCommand v_ectl_command := p_to_be_signed_tlm_ectl.ctlCommands[v_i];
if (ischosen(v_ectl_command.delete)) {
log("f_verify_full_ectl: ctlCommands shall not contains 'delete' variant");
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return false;
} else {
if (f_verify_ectl_entry(v_ectl_command.add) == false) {
log("f_verify_full_ectl: ctlCommands contains invalid entries");
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return false;
}
}
} // End of 'for' statements
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function f_verify_ectl_entry(
in CtlEntry p_ctl_entry
) return boolean {
log(">>> f_verify_ectl_entry: p_ctl_entry=", p_ctl_entry);
if (ischosen(p_ctl_entry.tlm)) {
if (match(p_ctl_entry.tlm, mw_tlm_entry(mw_etsiTs103097Certificate)) == false) {
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return false;
} else {
// TODO Verify RCA certificate & signature
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}
} else if (ischosen(p_ctl_entry.dc)) {
if (match(p_ctl_entry.dc, mw_dc_entry) == false) {
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return false;
} else {
// TODO Verify RCA certificate & signature
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}
} else if (ischosen(p_ctl_entry.rca)) {
if (match(p_ctl_entry.rca, mw_root_ca_entry(mw_etsiTs103097Certificate)) == false) {
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return false;
} else {
// TODO Verify RCA certificate & signature
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}
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}
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}
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function f_verify_tlm_ectl_response_message(
in EtsiTs103097Data p_etsi_ts_103097_signed_data,
in boolean p_check_security := true,
out ToBeSignedTlmCtl p_to_be_signed_tlm_ectl
) return boolean {
var bitstring v_etsi_ts_102941_data_msg;
var bitstring v_tbs;
var Certificate v_certificate;
var boolean v_result;
var EtsiTs102941Data v_etsi_ts_102941_data;
log(">>> f_verify_tlm_ectl_response_message: p_etsi_ts_103097_signed_data= ", p_etsi_ts_103097_signed_data);
// 1. Verify signature
log("f_verify_tlm_ectl_response_message: p_etsi_ts_103097_signed_data.content.signedData.tbsData= ", p_etsi_ts_103097_signed_data.content.signedData.tbsData);
v_tbs := encvalue(p_etsi_ts_103097_signed_data.content.signedData.tbsData);
if (ischosen(p_etsi_ts_103097_signed_data.content.signedData.signer.certificate)) {
v_certificate := p_etsi_ts_103097_signed_data.content.signedData.signer.certificate[0];
} else {
var charstring v_certificate_id;
if (f_getCertificateFromDigest(p_etsi_ts_103097_signed_data.content.signedData.signer.digest, v_certificate, v_certificate_id) == false) {
log("f_verify_tlm_ectl_response_message: Failed to retrieve certificate from digest ", p_etsi_ts_103097_signed_data.content.signedData.signer.digest);
if (p_check_security == true) {
return false;
}
}
}
if (ischosen(p_etsi_ts_103097_signed_data.content.signedData.signature_.ecdsaBrainpoolP384r1Signature)) {
v_result := f_verifyEcdsa(bit2oct(v_tbs), int2oct(0, 48), p_etsi_ts_103097_signed_data.content.signedData.signature_, v_certificate.toBeSigned.verifyKeyIndicator.verificationKey);
} else {
v_result := f_verifyEcdsa(bit2oct(v_tbs), int2oct(0, 32), p_etsi_ts_103097_signed_data.content.signedData.signature_, v_certificate.toBeSigned.verifyKeyIndicator.verificationKey);
}
if (v_result == false) {
log("f_verify_tlm_ectl_response_message: Failed to verify signature");
if (p_check_security == true) {
return false;
}
}
v_etsi_ts_102941_data_msg := oct2bit(p_etsi_ts_103097_signed_data.content.signedData.tbsData.payload.data.content.unsecuredData);
if (decvalue(v_etsi_ts_102941_data_msg, v_etsi_ts_102941_data) != 0) {
log("f_verify_tlm_ectl_response_message: Failed to decode EtsiTs102941Data");
return false;
} else {
log("f_verify_tlm_ectl_response_message: v_etsi_ts_102941_data= ", v_etsi_ts_102941_data);
log("f_verify_pki_response_message: TlmCertificateTrustListMessage matching= ", match(v_etsi_ts_102941_data, mw_etsiTs102941Data_to_be_signed_tlm_ctl));
if (match(v_etsi_ts_102941_data, mw_etsiTs102941Data_to_be_signed_tlm_ctl) == false) {
log("f_verify_tlm_ectl_response_message: Failed to decode certificateTrustListTlm");
return false;
} else {
var Time32 v_time := (f_getCurrentTime()/* - 1072915200000*/) / 1000;
p_to_be_signed_tlm_ectl := v_etsi_ts_102941_data.content.certificateTrustListTlm;
log("f_verify_tlm_ectl_response_message: p_to_be_signed_tlm_ectl= ", p_to_be_signed_tlm_ectl);
if (p_to_be_signed_tlm_ectl.nextUpdate <= v_time) {
log("f_verify_tlm_ectl_response_message: Invalid nextUpdate value: compared values=", p_to_be_signed_tlm_ectl.nextUpdate, "/", v_time);
return false;
}
// TODO Verify RCA certificate & signature
}
}
return true;
}
YannGarcia
committed
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function f_verify_broadcasted_delta_ctl(
in GeoNetworkingPdu p_geonetworking_pdu,
in boolean p_check_security := true
) return boolean {
var EtsiTs103097Data v_secured_msg;
var bitstring v_etsi_ts_102941_data_msg;
var bitstring v_tbs;
var Certificate v_certificate;
var boolean v_result;
var EtsiTs102941Data v_etsi_ts_102941_data;
log(">>> f_verify_broadcasted_delta_ctl: p_geonetworking_pdu= ", p_geonetworking_pdu);
if (not(ispresent(p_geonetworking_pdu.gnPacket.securedMsg))) {
return false;
}
v_secured_msg := p_geonetworking_pdu.gnPacket.securedMsg;
// 1. Verify signature
log("f_verify_broadcasted_delta_ctl: v_secured_msg= ", v_secured_msg);
v_tbs := encvalue(v_secured_msg.content.signedData.tbsData);
if (ischosen(v_secured_msg.content.signedData.signer.certificate)) {
v_certificate := v_secured_msg.content.signedData.signer.certificate[0];
} else {
var charstring v_certificate_id;
if (f_getCertificateFromDigest(v_secured_msg.content.signedData.signer.digest, v_certificate, v_certificate_id) == false) {
log("f_verify_broadcasted_delta_ctl: Failed to retrieve certificate from digest ", v_secured_msg.content.signedData.signer.digest);
if (p_check_security == true) {
return false;
}
}
}
if (ischosen(v_secured_msg.content.signedData.signature_.ecdsaBrainpoolP384r1Signature)) {
v_result := f_verifyEcdsa(bit2oct(v_tbs), int2oct(0, 48), v_secured_msg.content.signedData.signature_, v_certificate.toBeSigned.verifyKeyIndicator.verificationKey);
} else {
v_result := f_verifyEcdsa(bit2oct(v_tbs), int2oct(0, 32), v_secured_msg.content.signedData.signature_, v_certificate.toBeSigned.verifyKeyIndicator.verificationKey);
}
if (v_result == false) {
log("f_verify_broadcasted_delta_ctl: Failed to verify signature");
if (p_check_security == true) {
return false;
}
}
v_etsi_ts_102941_data_msg := oct2bit(v_secured_msg.content.signedData.tbsData.payload.data.content.unsecuredData);
if (decvalue(v_etsi_ts_102941_data_msg, v_etsi_ts_102941_data) != 0) {
log("f_verify_broadcasted_delta_ctl: Failed to decode EtsiTs102941Data");
return false;
} else {
log("f_verify_broadcasted_delta_ctl: v_etsi_ts_102941_data= ", v_etsi_ts_102941_data);
// TODO
}
return true;
} // End of function f_verify_broadcasted_delta_ctl
function f_verify_and_extract_payload(
in GeoNetworkingPdu p_geonetworking_pdu,
in boolean p_check_security := true,
out octetstring p_payload
) return boolean {
var EtsiTs103097Data v_secured_msg;
var bitstring v_tbs;
var Certificate v_certificate;
var boolean v_result;
var EtsiTs102941Data v_etsi_ts_102941_data;
log(">>> f_verify_and_extract_payload: p_geonetworking_pdu= ", p_geonetworking_pdu);
if (not(ispresent(p_geonetworking_pdu.gnPacket.securedMsg))) {
return false;
}
v_secured_msg := p_geonetworking_pdu.gnPacket.securedMsg;
// 1. Verify signature
log("f_verify_and_extract_payload: v_secured_msg= ", v_secured_msg);
v_tbs := encvalue(v_secured_msg.content.signedData.tbsData);
if (ischosen(v_secured_msg.content.signedData.signer.certificate)) {
v_certificate := v_secured_msg.content.signedData.signer.certificate[0];
} else {
var charstring v_certificate_id;
if (f_getCertificateFromDigest(v_secured_msg.content.signedData.signer.digest, v_certificate, v_certificate_id) == false) {
log("f_verify_and_extract_payload: Failed to retrieve certificate from digest ", v_secured_msg.content.signedData.signer.digest);
if (p_check_security == true) {
return false;
}
}
}
if (ischosen(v_secured_msg.content.signedData.signature_.ecdsaBrainpoolP384r1Signature)) {
v_result := f_verifyEcdsa(bit2oct(v_tbs), int2oct(0, 48), v_secured_msg.content.signedData.signature_, v_certificate.toBeSigned.verifyKeyIndicator.verificationKey);
} else {
v_result := f_verifyEcdsa(bit2oct(v_tbs), int2oct(0, 32), v_secured_msg.content.signedData.signature_, v_certificate.toBeSigned.verifyKeyIndicator.verificationKey);
}
if (v_result == false) {
log("f_verify_and_extract_payload: Failed to verify signature");
if (p_check_security == true) {
return false;
}
}
log("f_verify_and_extract_payload: v_etsi_ts_102941_data= ", v_secured_msg.content.signedData.tbsData.payload.data.content.unsecuredData);
// TODO
return true;
} // End of function f_verify_and_extract_payload
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} // End of group tlm
group awaiting_messages {
function f_await_http_inner_ec_request_response(
out Oct32 p_private_key,
out Oct32 p_compressed_public_key,
out integer p_compressed_mode,
out InnerEcResponse p_inner_ec_response,
in boolean p_strict_checks := true
) runs on ItsPkiHttp return boolean {
var Headers v_headers;
var Oct32 v_request_hash;
var Oct16 v_encrypted_sym_key;
var Oct16 v_aes_sym_key;
var HashedId8 v_aes_sym_key_hashed_id8;
var Oct16 v_authentication_vector;
var Oct12 v_nonce;
var octetstring v_salt;
var Ieee1609Dot2Data v_ieee1609dot2_signed_and_encrypted_data;
var EtsiTs102941Data v_etsi_ts_102941_data;
var HttpMessage v_response;
log(">>> f_await_http_inner_ec_request_response: p_strict_checks=", p_strict_checks);
f_http_build_inner_ec_request(p_private_key, p_compressed_public_key, p_compressed_mode, v_aes_sym_key, v_encrypted_sym_key, v_authentication_vector, v_nonce, v_salt, v_ieee1609dot2_signed_and_encrypted_data, v_request_hash);
v_aes_sym_key_hashed_id8 := f_hashedId8FromSha256(f_hashWithSha256('80'O & v_aes_sym_key)); // Used to macth the response
f_init_default_headers_list(-, "inner_ec_request", v_headers);
f_http_send(
v_headers,
m_http_request(
m_http_request_post(
PICS_HTTP_POST_URI_EC,
v_headers,
m_http_message_body_binary(
m_binary_body_ieee1609dot2_data(
v_ieee1609dot2_signed_and_encrypted_data
)))));
tc_ac.start;
alt {
[] a_await_ec_http_request_from_iut(
mw_http_response(
mw_http_response_ok(
mw_http_message_body_binary(
mw_binary_body_ieee1609dot2_data(
mw_enrolmentResponseMessage(
mw_encryptedData(
{ *, mw_recipientInfo_pskRecipInfo(v_aes_sym_key_hashed_id8), * },
mw_symmetricCiphertext_aes128ccm
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)))))),
v_response
) {
tc_ac.stop;
if (f_verify_pki_response_message(p_private_key, v_aes_sym_key, v_authentication_vector, vc_eaWholeHash, v_response.response.body.binary_body.ieee1609dot2_data, p_strict_checks, -, v_etsi_ts_102941_data) == false) {
log("f_await_http_inner_ec_request_response: Failed to verify PKI message ***");
if (p_strict_checks) {
return false;
}
}
log("f_await_http_inner_ec_request_response: Receive ", v_etsi_ts_102941_data, " ***");
// Verify the received EC certificate
log("f_await_http_inner_ec_request_response: match ", match(v_etsi_ts_102941_data.content, mw_enrolmentResponse(mw_innerEcResponse_ok(substr(v_request_hash, 0, 16), mw_etsiTs103097Certificate(-, mw_toBeSignedCertificate_ec)))), " ***"); // TODO In TITAN, this is the only way to get the unmatching in log
if (match(v_etsi_ts_102941_data.content, mw_enrolmentResponse(mw_innerEcResponse_ok(?/*FIXME YANN Blackberry substr(v_request_hash, 0, 16)*/, mw_etsiTs103097Certificate(-, mw_toBeSignedCertificate_ec)))) == false) {
log("f_await_http_inner_ec_request_response: Unexpected message received ***");
if (p_strict_checks) {
return false;
}
}
if (ischosen(v_etsi_ts_102941_data.content.enrolmentResponse) and ispresent(v_etsi_ts_102941_data.content.enrolmentResponse.certificate)) {
var HashedId8 v_ec_cert_hashed_id8;
if (f_verify_ec_certificate(v_etsi_ts_102941_data.content.enrolmentResponse.certificate, vc_eaCertificate, vc_eaHashedId8, p_compressed_public_key, p_compressed_mode, v_ec_cert_hashed_id8) == false) {
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log("f_await_http_inner_ec_request_response: Cannot verify EC certificate signature ***");
if (p_strict_checks) {
return false;
}
}
p_inner_ec_response := v_etsi_ts_102941_data.content.enrolmentResponse;
log("f_await_http_inner_ec_request_response: Well-secured EA certificate received ***");
log("p_inner_ec_response= ", p_inner_ec_response);
} else {
log("f_await_http_inner_ec_request_response: Invalid message received ***");
return false;
}
}
[] tc_ac.timeout {
log("f_await_http_inner_ec_request_response: Expected message not received ***");
}
} // End of 'alt' statement
return true;
} // End of function f_await_http_inner_ec_request_response
function f_await_ec_request_send_response(
YannGarcia
committed
out InnerEcResponse p_inner_ec_response,
out HttpMessage p_request
) runs on ItsPkiHttp return boolean {
var boolean v_result := false;
log(">>> f_await_ec_request_send_response");
tc_ac.start;
alt {
[] a_await_ec_http_request_from_iut(
mw_http_request(
mw_http_request_post(
PICS_HTTP_POST_URI_EC,
-,
mw_http_message_body_binary(
mw_binary_body_ieee1609dot2_data(
mw_enrolmentRequestMessage(
mw_encryptedData(
-,
mw_symmetricCiphertext_aes128ccm
YannGarcia
committed
p_request
) {
var Ieee1609Dot2Data v_ieee1609dot2_signed_and_encrypted_data;
var EtsiTs102941Data v_etsi_ts_102941_data;
var Oct16 v_request_hash;
var Oct16 v_aes_enc_key;
var InnerEcRequest v_inner_ec_request;
var template (value) HttpMessage v_response;
var Headers v_headers;
var EtsiTs103097Certificate v_ec_certificate;
var HashedId8 v_ec_certificate_hashed_id8;
tc_ac.stop;
f_init_default_headers_list(-, "inner_ec_response", v_headers);
YannGarcia
committed
if (f_verify_pki_request_message(vc_eaPrivateEncKey, vc_eaWholeHash/*salt*/, ''O, p_request.request.body.binary_body.ieee1609dot2_data, false, v_request_hash, v_etsi_ts_102941_data, v_aes_enc_key) == false) { // Cannot decrypt the message
log("f_await_ec_request_send_response: Failed to verify PKI message ***");
// Send error message
v_response := m_http_response(m_http_response_ko(m_http_message_body_binary(m_binary_body_ieee1609dot2_data(v_ieee1609dot2_signed_and_encrypted_data)), v_headers, 400, "Bad request")); // Initialize v_reponse with an error message
} else {
log("f_await_ec_request_send_response: Receive ", v_etsi_ts_102941_data, " ***");
if (f_verify_inner_ec_request_signed_for_pop(v_etsi_ts_102941_data, v_inner_ec_request) == false) {
log("f_await_ec_request_send_response: Failed to verify PKI message ***");
// Send error message
f_http_build_inner_ec_response(v_inner_ec_request/*Not required*/, cantparse, v_request_hash, -, -, v_aes_enc_key, v_ec_certificate, v_ec_certificate_hashed_id8, p_inner_ec_response, v_ieee1609dot2_signed_and_encrypted_data);
v_response := m_http_response(m_http_response_ok(m_http_message_body_binary(m_binary_body_ieee1609dot2_data(v_ieee1609dot2_signed_and_encrypted_data)), v_headers));
} else {
f_http_build_inner_ec_response(v_inner_ec_request, ok, v_request_hash, vc_eaPrivateKey, vc_eaWholeHash, v_aes_enc_key, v_ec_certificate, v_ec_certificate_hashed_id8, p_inner_ec_response, v_ieee1609dot2_signed_and_encrypted_data);
v_response := m_http_response(m_http_response_ok(m_http_message_body_binary(m_binary_body_ieee1609dot2_data(v_ieee1609dot2_signed_and_encrypted_data)), v_headers));
v_result := true;
}
f_http_send(v_headers, v_response);
}
}
[] tc_ac.timeout {
log("f_await_ec_request_send_response: Expected message not received ***");
}
} // End of 'alt' statement
return v_result;
} // End of function f_await_ec_request_send_response
YannGarcia
committed
function f_await_ec_request_send_error_response(
out HttpMessage p_request
) runs on ItsPkiHttp {
var Ieee1609Dot2Data v_ieee1609dot2_signed_and_encrypted_data;
var boolean v_result := false;
log(">>> f_await_ec_request_send_error_response");
tc_ac.start;
alt {
[] a_await_ec_http_request_from_iut(
mw_http_request(
mw_http_request_post(
PICS_HTTP_POST_URI_EC,
-,
mw_http_message_body_binary(
mw_binary_body_ieee1609dot2_data(
mw_enrolmentRequestMessage(
mw_encryptedData(
-,
mw_symmetricCiphertext_aes128ccm
YannGarcia
committed
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)))))),
p_request
) {
var template (value) HttpMessage v_response;
var Headers v_headers;
tc_ac.stop;
f_init_default_headers_list(-, "inner_ec_response", v_headers);
log("f_await_ec_request_send_error_response: Failed to verify PKI message ***");
// Send error message
v_response := m_http_response(m_http_response_ko(m_http_message_body_binary(m_binary_body_ieee1609dot2_data(v_ieee1609dot2_signed_and_encrypted_data)), v_headers, 400, "Bad request")); // Initialize v_reponse with an error message
f_http_send(v_headers, v_response);
}
[] tc_ac.timeout {
log("f_await_ec_request_send_error_response: Expected message not received ***");
}
} // End of 'alt' statement
} // End of function f_await_ec_request_send_error_response
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} // End of group awaiting_messages
group pki_functions {
/**
* @desc Build a signed and encrypted PKI request message
* @param p_private_key Private key for signature
* @param p_signer_identifier Signer identifier for signature, could be self or certificate HashedId8
* @param p_recipientId Recipient identifier to be inclued in encrypted layer.
* If value is int2oct(0. 8), the recipient id is the HashedId8 of the symmetric key used by the sender to encrypt the message to which the response is built
* @param p_public_key_compressed The public compressed key (canonical form) for encryption
* @param p_compressed_mode The compressed mode of the public compressed key (canonical form) for encryption
* @param p_pki_message The PKI message to be secured
* @param p_ieee1609dot2_signed_and_encrypted_data The secured message
* @return true on success, false otherwise
*/
function f_build_pki_secured_request_message_signed_with_pop(
in octetstring p_private_key,
in SignerIdentifier p_signer_identifier,
in HashedId8 p_recipientId,
in octetstring p_public_key_compressed,
in integer p_compressed_mode,
in octetstring p_salt,
in octetstring p_pki_message,
in SignAlgorithm p_enc_algorithm, // TODO Use RCA to check encryption alg
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in boolean p_alter_signature := false,
out Ieee1609Dot2Data p_ieee1609dot2_signed_and_encrypted_data,
out Oct16 p_aes_sym_key,
out Oct16 p_encrypted_sym_key,
out Oct16 p_authentication_vector,
out Oct12 p_nonce,
out Oct32 p_request_hash
) return boolean {
// Local variables
var template (value) EccP256CurvePoint v_eccP256_curve_point;
var template (value) ToBeSignedData v_tbs;
var octetstring v_tbs_signed;
var Signature v_signature;
var template (value) Ieee1609Dot2Data v_ieee1609dot2_signed_data;
var octetstring v_encoded_request;
var HashedId8 v_recipientId;
var octetstring v_public_compressed_ephemeral_key;
var integer v_public_compressed_ephemeral_mode;
var octetstring v_encrypted_request;
var EncryptedDataEncryptionKey v_encrypted_data_encryption_key;
var bitstring v_enc_value;
log(">>> f_build_pki_secured_request_message_signed_with_pop: p_private_key= ", p_private_key);
log(">>> f_build_pki_secured_request_message_signed_with_pop: p_signer_identifier= ", p_signer_identifier);
log(">>> f_build_pki_secured_request_message_signed_with_pop: p_recipientId= ", p_recipientId);
log(">>> f_build_pki_secured_request_message_signed_with_pop: p_public_key_compressed= ", p_public_key_compressed);
log(">>> f_build_pki_secured_request_message_signed_with_pop: p_compressed_mode= ", p_compressed_mode);
log(">>> f_build_pki_secured_request_message_signed_with_pop: p_salt= ", p_salt);
log(">>> f_build_pki_secured_request_message_signed_with_pop: p_pki_message= ", p_pki_message);
log(">>> f_build_pki_secured_request_message_signed_with_pop: p_enc_algorithm= ", p_enc_algorithm);
log(">>> f_build_pki_secured_request_message_signed_with_pop: p_alter_signature= ", p_alter_signature);
// Signed the encoded PKI message
v_tbs := m_toBeSignedData(
m_signedDataPayload(
m_etsiTs103097Data_unsecured(p_pki_message)
),
m_headerInfo_inner_pki_request(-, (f_getCurrentTime() * 1000)/*us*/)
);
log("f_build_pki_secured_request_message_signed_with_pop: v_tbs: ", v_tbs);
if (ischosen(p_signer_identifier.self_)) {
v_tbs_signed := f_signWithEcdsa(bit2oct(encvalue(v_tbs)), int2oct(0, 32), p_private_key);
} else {
var charstring v_certificate_id;
var octetstring v_hash;
// FIXME Huge issue, certificate is BP256 and PX_VE_ALG is e_brainpool_p384_r1, so v_hash & p_private_key are 32 bytes length not 48
// ==> Need to sign with v_certificate_id capabilities not with PX_VE_ALG :(
fx_readCertificateFromDigest(p_signer_identifier.digest, v_certificate_id); // TODO Add a wrapper function
f_getCertificateHash(v_certificate_id, v_hash);
v_tbs_signed := f_signWithEcdsa(bit2oct(encvalue(v_tbs)), v_hash, p_private_key);
}
log("f_build_pki_secured_request_message_signed_with_pop: lengthof(v_tbs_signed)= ", lengthof(v_tbs_signed));
log("f_build_pki_secured_request_message_signed_with_pop: v_tbs_signed= ", v_tbs_signed);
if (p_alter_signature == true) {
v_tbs_signed[0] := '0A'O;
v_tbs_signed[1] := '0A'O;
log("f_build_pki_secured_request_message_signed_with_pop: Altered signature= ", v_tbs_signed);
}
// Add the signature and create EtsiTs103097Data-Signed data structure
log("f_build_pki_secured_request_message_signed_with_pop: PX_VE_ALG=", PX_VE_ALG);
if (PX_VE_ALG == e_nist_p256) {
v_signature := valueof(
m_signature_ecdsaNistP256(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(
substr(v_tbs_signed, 0, 32)
),
substr(v_tbs_signed, 32, 32)
)
)
);
} else if (PX_VE_ALG == e_brainpool_p256_r1) {
v_signature := valueof(
m_signature_ecdsaBrainpoolP256r1(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(
substr(v_tbs_signed, 0, 32)
),
substr(v_tbs_signed, 32, 32)
)
)
);
} else if (PX_VE_ALG == e_brainpool_p384_r1) {
v_signature := valueof(
m_signature_ecdsaBrainpoolP384r1(
m_ecdsaP384Signature(
m_eccP384CurvePoint_x_only(
substr(v_tbs_signed, 0, 48)
),
substr(v_tbs_signed, 48, 48)
)
)
);
}
log("f_build_pki_secured_request_message_signed_with_pop: v_signature= ", v_signature);
v_ieee1609dot2_signed_data := m_etsiTs103097Data_signed(
m_signedData(
sha256,
v_tbs,
p_signer_identifier,
v_signature
)
);
// Encode EtsiTs103097Data-Signed data structure
v_encoded_request := bit2oct(encvalue(v_ieee1609dot2_signed_data));
log("f_build_pki_secured_request_message_signed_with_pop: v_encoded_request= ", v_encoded_request);
// Encrypt encode EtsiTs103097Data-Signed data structure
if (p_enc_algorithm == e_nist_p256) {
v_encrypted_request := f_encryptWithEciesNistp256WithSha256(v_encoded_request, p_public_key_compressed, p_compressed_mode, p_salt, v_public_compressed_ephemeral_key, v_public_compressed_ephemeral_mode, p_aes_sym_key, p_encrypted_sym_key, p_authentication_vector, p_nonce);
} else if (p_enc_algorithm == e_brainpool_p256_r1) {
v_encrypted_request := f_encryptWithEciesBrainpoolp256r1WithSha256(v_encoded_request, p_public_key_compressed, p_compressed_mode, p_salt, v_public_compressed_ephemeral_key, v_public_compressed_ephemeral_mode, p_aes_sym_key, p_encrypted_sym_key, p_authentication_vector, p_nonce);
} else {
log("f_build_pki_secured_request_message_signed_with_pop: Wrong encryption variant");
return false;
}
log("f_build_pki_secured_request_message_signed_with_pop: p_aes_sym_key= ", p_aes_sym_key);
log("f_build_pki_secured_request_message_signed_with_pop: p_encrypted_sym_key= ", p_encrypted_sym_key);
log("f_build_pki_secured_request_message_signed_with_pop: p_authentication_vector= ", p_authentication_vector);
log("f_build_pki_secured_request_message_signed_with_pop: p_nonce= ", p_nonce);
log("f_build_pki_secured_request_message_signed_with_pop: p_recipientId= ", p_recipientId);
if (p_recipientId == int2oct(0, 8)) {
log("f_build_pki_secured_request_message_signed_with_pop: f_hashWithSha256(v_encrypted_sym_key)= ", f_hashWithSha256(p_encrypted_sym_key));
v_recipientId := f_hashedId8FromSha256(f_hashWithSha256(p_encrypted_sym_key));
} else {
v_recipientId := p_recipientId;
}
log("f_build_pki_secured_request_message_signed_with_pop: v_recipientId= ", v_recipientId);
// Fill Certificate template with the public compressed keys (canonical form)
if (v_public_compressed_ephemeral_mode == 0) {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_0(v_public_compressed_ephemeral_key));
} else {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_1(v_public_compressed_ephemeral_key));
}
if (p_enc_algorithm == e_nist_p256) {
v_encrypted_data_encryption_key := valueof(
m_encryptedDataEncryptionKey_eciesNistP256(
m_evciesP256EncryptedKey(
v_eccP256_curve_point,
p_encrypted_sym_key,
p_authentication_vector
)));
} else if (p_enc_algorithm == e_brainpool_p256_r1) {
v_encrypted_data_encryption_key := valueof(
m_encryptedDataEncryptionKey_eciesBrainpoolP256r1(
m_evciesP256EncryptedKey(
v_eccP256_curve_point,
p_encrypted_sym_key,
p_authentication_vector
)));
} else {
log("f_build_pki_secured_request_message_signed_with_pop: Wrong encryption variant");
return false;
}
p_ieee1609dot2_signed_and_encrypted_data := valueof(
m_etsiTs103097Data_encrypted(
m_encryptedData(
{
m_recipientInfo_certRecipInfo(
m_pKRecipientInfo(
v_recipientId,
v_encrypted_data_encryption_key
))
},
m_symmetricCiphertext_aes128ccm(
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m_aesCcmCiphertext(
p_nonce,
v_encrypted_request
)
)
)
)
);
// The 'p_request_hash' shall be the SHA256 digest of the OER representation of the topmost EtsiTs103097Data-Encoded structure
v_enc_value := encvalue(p_ieee1609dot2_signed_and_encrypted_data);
p_request_hash := f_hashWithSha256(bit2oct(v_enc_value));
log("f_build_pki_secured_request_message_signed_with_pop: p_request_hash= ", p_request_hash);
log("<<< f_build_pki_secured_request_message_signed_with_pop: ", p_pki_message);
return true;
} // End of function f_build_pki_secured_request_message_signed_with_pop
/**
* @desc Build a signed and encrypted PKI request message without POP with signature
* @param p_recipientId Recipient identifier to be inclued in encrypted layer.
* If value is int2oct(0. 8), the recipient id is the HashedId8 of the symmetric key used by the sender to encrypt the message to which the response is built
* @param p_public_key_compressed The public compressed key (canonical form) for encryption
* @param p_compressed_mode The compressed mode of the public compressed key (canonical form) for encryption
* @param p_pki_message The PKI message to be secured
* @param p_ieee1609dot2_signed_and_encrypted_data The secured message
* @return true on success, false otherwise
*/
function f_build_pki_secured_request_message(
in HashedId8 p_recipientId,
in octetstring p_public_key_compressed,
in integer p_compressed_mode,
in octetstring p_salt,
in octetstring p_pki_message,
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out Ieee1609Dot2Data p_ieee1609dot2_signed_and_encrypted_data,
out Oct16 p_aes_sym_key,
out Oct16 p_encrypted_sym_key,
out Oct16 p_authentication_vector,
out Oct12 p_nonce,
out Oct32 p_request_hash
) return boolean {
// Local variables
var template (value) EccP256CurvePoint v_eccP256_curve_point;
var HashedId8 v_recipientId;
var octetstring v_public_compressed_ephemeral_key;
var integer v_public_compressed_ephemeral_mode;
var octetstring v_encrypted_request;
var EncryptedDataEncryptionKey v_encrypted_data_encryption_key;
var bitstring v_enc_value;
log(">>> f_build_pki_secured_request_message");
// Encrypt encode EtsiTs103097Data-Signed data structure
if (p_enc_algorithm == e_nist_p256) {
v_encrypted_request := f_encryptWithEciesNistp256WithSha256(p_pki_message, p_public_key_compressed, p_compressed_mode, p_salt, v_public_compressed_ephemeral_key, v_public_compressed_ephemeral_mode, p_aes_sym_key, p_encrypted_sym_key, p_authentication_vector, p_nonce);
} else if (p_enc_algorithm == e_brainpool_p256_r1) {
v_encrypted_request := f_encryptWithEciesBrainpoolp256r1WithSha256(p_pki_message, p_public_key_compressed, p_compressed_mode, p_salt, v_public_compressed_ephemeral_key, v_public_compressed_ephemeral_mode, p_aes_sym_key, p_encrypted_sym_key, p_authentication_vector, p_nonce);
} else {
log("f_build_pki_secured_request_message: Wrong encryption variant");
return false;
}
log("f_build_pki_secured_request_message: p_aes_sym_key= ", p_aes_sym_key);
log("f_build_pki_secured_request_message: p_encrypted_sym_key= ", p_encrypted_sym_key);
log("f_build_pki_secured_request_message: p_authentication_vector= ", p_authentication_vector);
log("f_build_pki_secured_request_message: p_nonce= ", p_nonce);
log("f_build_pki_secured_request_message: p_recipientId= ", p_recipientId);
if (p_recipientId == int2oct(0, 8)) {
log("f_build_pki_secured_request_message: f_hashWithSha256(v_encrypted_sym_key)= ", f_hashWithSha256(p_encrypted_sym_key));
v_recipientId := f_hashedId8FromSha256(f_hashWithSha256(p_encrypted_sym_key));
} else {
v_recipientId := p_recipientId;
}
log("f_build_pki_secured_request_message: v_recipientId= ", v_recipientId);
// Fill Certificate template with the public compressed keys (canonical form)
if (v_public_compressed_ephemeral_mode == 0) {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_0(v_public_compressed_ephemeral_key));
} else {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_1(v_public_compressed_ephemeral_key));
}
if (p_enc_algorithm == e_nist_p256) {
v_encrypted_data_encryption_key := valueof(
m_encryptedDataEncryptionKey_eciesNistP256(
m_evciesP256EncryptedKey(
v_eccP256_curve_point,
p_encrypted_sym_key,
p_authentication_vector
)));
} else if (p_enc_algorithm == e_brainpool_p256_r1) {
v_encrypted_data_encryption_key := valueof(
m_encryptedDataEncryptionKey_eciesBrainpoolP256r1(
m_evciesP256EncryptedKey(
v_eccP256_curve_point,
p_encrypted_sym_key,
p_authentication_vector
)));
}
p_ieee1609dot2_signed_and_encrypted_data := valueof(
m_etsiTs103097Data_encrypted(
m_encryptedData(
{
m_recipientInfo_certRecipInfo(
m_pKRecipientInfo(
v_recipientId,
v_encrypted_data_encryption_key
))
},
m_symmetricCiphertext_aes128ccm(
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m_aesCcmCiphertext(
p_nonce,
v_encrypted_request
)
)
)
)
);
// The 'p_request_hash' shall be the SHA256 digest of the OER representation of the topmost EtsiTs103097Data-Encoded structure
v_enc_value := encvalue(p_ieee1609dot2_signed_and_encrypted_data);
p_request_hash := f_hashWithSha256(bit2oct(v_enc_value));
log("f_build_pki_secured_request_message: p_request_hash= ", p_request_hash);
log("<<< f_build_pki_secured_request_message: ", p_ieee1609dot2_signed_and_encrypted_data);
return true;
} // End of function f_build_pki_secured_request_message
function f_build_pki_secured_request_message_for_authorization(
in HashedId8 p_recipientId,
in octetstring p_public_key_compressed,
in integer p_compressed_mode,
in octetstring p_salt,
in octetstring p_pki_message,
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out Ieee1609Dot2Data p_ieee1609dot2_signed_and_encrypted_data,
out Oct16 p_aes_sym_key,
out Oct16 p_encrypted_sym_key,
out Oct16 p_authentication_vector,
out Oct12 p_nonce,
out Oct32 p_request_hash
) return boolean {
// Local variables
var Ieee1609Dot2Data v_unsecured_data;
var octetstring v_pki_message;
var template (value) EccP256CurvePoint v_eccP256_curve_point;
var HashedId8 v_recipientId;
var octetstring v_public_compressed_ephemeral_key;
var integer v_public_compressed_ephemeral_mode;
var octetstring v_encrypted_request;
var EncryptedDataEncryptionKey v_encrypted_data_encryption_key;
var bitstring v_enc_value;
log(">>> f_build_pki_secured_request_message_for_authorization");
// Add Ieee1609Dot2Data layer
v_unsecured_data := valueof(m_etsiTs103097Data_unsecured(p_pki_message));
v_pki_message := bit2oct(encvalue(v_unsecured_data));
// Encrypt encode EtsiTs103097Data-Signed data structure
if (p_enc_algorithm == e_nist_p256) {
v_encrypted_request := f_encryptWithEciesNistp256WithSha256(v_pki_message, p_public_key_compressed, p_compressed_mode, p_salt, v_public_compressed_ephemeral_key, v_public_compressed_ephemeral_mode, p_aes_sym_key, p_encrypted_sym_key, p_authentication_vector, p_nonce);
} else if (p_enc_algorithm == e_brainpool_p256_r1) {
v_encrypted_request := f_encryptWithEciesBrainpoolp256r1WithSha256(v_pki_message, p_public_key_compressed, p_compressed_mode, p_salt, v_public_compressed_ephemeral_key, v_public_compressed_ephemeral_mode, p_aes_sym_key, p_encrypted_sym_key, p_authentication_vector, p_nonce);
} else {
log("f_build_pki_secured_request_message_for_authorization: Wrong encryption variant");
return false;
}
log("f_build_pki_secured_request_message_for_authorization: p_aes_sym_key= ", p_aes_sym_key);
log("f_build_pki_secured_request_message_for_authorization: p_encrypted_sym_key= ", p_encrypted_sym_key);
log("f_build_pki_secured_request_message_for_authorization: p_authentication_vector= ", p_authentication_vector);
log("f_build_pki_secured_request_message_for_authorization: p_nonce= ", p_nonce);
log("f_build_pki_secured_request_message_for_authorization: p_recipientId= ", p_recipientId);
if (p_recipientId == int2oct(0, 8)) {
log("f_build_pki_secured_request_message_for_authorization: f_hashWithSha256(v_encrypted_sym_key)= ", f_hashWithSha256(p_encrypted_sym_key));
v_recipientId := f_hashedId8FromSha256(f_hashWithSha256(p_encrypted_sym_key));
} else {
v_recipientId := p_recipientId;
}
log("f_build_pki_secured_request_message_for_authorization: v_recipientId= ", v_recipientId);
// Fill Certificate template with the public compressed keys (canonical form)
if (v_public_compressed_ephemeral_mode == 0) {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_0(v_public_compressed_ephemeral_key));
} else {
v_eccP256_curve_point := valueof(m_eccP256CurvePoint_compressed_y_1(v_public_compressed_ephemeral_key));
}
if (p_enc_algorithm == e_nist_p256) {
v_encrypted_data_encryption_key := valueof(
m_encryptedDataEncryptionKey_eciesNistP256(
m_evciesP256EncryptedKey(
v_eccP256_curve_point,
p_encrypted_sym_key,
p_authentication_vector
)));
} else if (p_enc_algorithm == e_brainpool_p256_r1) {
v_encrypted_data_encryption_key := valueof(
m_encryptedDataEncryptionKey_eciesBrainpoolP256r1(
m_evciesP256EncryptedKey(
v_eccP256_curve_point,
p_encrypted_sym_key,
p_authentication_vector
)));
}
p_ieee1609dot2_signed_and_encrypted_data := valueof(
m_etsiTs103097Data_encrypted(
m_encryptedData(
{
m_recipientInfo_certRecipInfo(
m_pKRecipientInfo(
v_recipientId,
v_encrypted_data_encryption_key
))
},
m_symmetricCiphertext_aes128ccm(
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m_aesCcmCiphertext(
p_nonce,
v_encrypted_request
)
)
)
)
);
// The 'p_request_hash' shall be the SHA256 digest of the OER representation of the topmost EtsiTs103097Data-Encoded structure
v_enc_value := encvalue(p_ieee1609dot2_signed_and_encrypted_data);
p_request_hash := f_hashWithSha256(bit2oct(v_enc_value));
log("f_build_pki_secured_request_message_for_authorization: p_request_hash= ", p_request_hash);
log("<<< f_build_pki_secured_request_message_for_authorization: ", p_ieee1609dot2_signed_and_encrypted_data);
return true;
} // End of function f_build_pki_secured_request_message_for_authorization
/**
* @desc Build a signed and encrypted PKI response message
* @param p_private_key Private key for signature
* @param p_signer_identifier Signer identifier for signature, could be self or certificate HashedId8
* @param p_recipientId Recipient identifier to be inclued in encrypted layer.
* If value is int2oct(0. 8), the recipient id is the HashedId8 of the symmetric key used by the sender to encrypt the message to which the response is built
* @param p_public_key_compressed The public compressed key (canonical form) for encryption
* @param p_compressed_mode The compressed mode of the public compressed key (canonical form) for encryption
* @param p_pki_message The PKI message to be secured
* @param p_ieee1609dot2_signed_and_encrypted_data The secured message
* @return true on success, false otherwise
*/
function f_build_pki_secured_response_message(
in octetstring p_private_key,
in SignerIdentifier p_signer_identifier,
in octetstring p_pki_message,
in Oct16 p_aes_sym_key,
in Oct12 p_nonce,
out Ieee1609Dot2Data p_ieee1609dot2_signed_and_encrypted_data
) return boolean {
// Local variables
var template (value) ToBeSignedData v_tbs;
var octetstring v_tbs_signed;
var template (value) Ieee1609Dot2Data v_ieee1609dot2_signed_data;
var octetstring v_encoded_inner_ec_response;
var HashedId8 v_recipientId;
var octetstring v_encrypted_inner_ec_response;
// Signed the encoded PKI message
v_tbs := m_toBeSignedData(
m_signedDataPayload(
m_etsiTs103097Data_unsecured(p_pki_message)
),
m_headerInfo_inner_pki_response(-, (f_getCurrentTime() * 1000)/*us*/)
);
if (ischosen(p_signer_identifier.self_)) {
v_tbs_signed := f_signWithEcdsaNistp256WithSha256(bit2oct(encvalue(v_tbs)), int2oct(0, 32), p_private_key);
} else {
var charstring v_certificate_id;
var Oct32 v_hash;
fx_readCertificateFromDigest(p_signer_identifier.digest, v_certificate_id); // TODO Add a wrapper function
f_getCertificateHash(v_certificate_id, v_hash);
v_tbs_signed := f_signWithEcdsaNistp256WithSha256(bit2oct(encvalue(v_tbs)), v_hash, p_private_key);
}
// Add the signature and create EtsiTs103097Data-Signed data structure
v_ieee1609dot2_signed_data := m_etsiTs103097Data_signed(
m_signedData(
sha256,
v_tbs,
p_signer_identifier,
m_signature_ecdsaNistP256(
m_ecdsaP256Signature(
m_eccP256CurvePoint_x_only(
substr(v_tbs_signed, 0, 32)
),
substr(v_tbs_signed, 32, 32)
)
)
)
);
// Encode EtsiTs103097Data-Signed data structure
v_encoded_inner_ec_response := bit2oct(encvalue(v_ieee1609dot2_signed_data));
v_encrypted_inner_ec_response := fx_encrypt_aes_128_ccm_test(p_aes_sym_key, p_nonce, v_encoded_inner_ec_response);
v_recipientId := f_hashedId8FromSha256(f_hashWithSha256(p_aes_sym_key));
log("v_recipientId= ", v_recipientId);
// Fill Certificate template with the public compressed keys (canonical form)
p_ieee1609dot2_signed_and_encrypted_data := valueof(
m_etsiTs103097Data_encrypted(
m_encryptedData(
{
m_recipientInfo_pskRecipInfo(
v_recipientId
)
},
m_symmetricCiphertext_aes128ccm(
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m_aesCcmCiphertext(
p_nonce,
v_encrypted_inner_ec_response
)
)
)
)
);
log("<<< f_build_pki_secured_response_message: ", p_ieee1609dot2_signed_and_encrypted_data);
return true;
} // End of function f_build_pki_secured_response_message
/**
* @desc Verify the protocol element of the Pki message.
* If p_check_security is set to false, only decryption and decoding of the outer message are verified.
* @param p_private_enc_key Private key for decryption
* @param p_salt
* @param p_p_ieee1609dot2_encrypted_and_signed_data
* @param p_check_security Set to true to verify PKI protocol element such as signatures...
* @param p_request_hash The request hash for to be used to build the response
* @param p_etsi_ts_102941_data The EtsiTs102941Data message
* @param p_aes_enc_key The AES 128 encrytion key to be used to encrypt the response
* @return true on success, false otherwise
*/
function f_verify_pki_request_message(
in Oct32 p_private_enc_key,
in Oct32 p_salt,
in octetstring p_issuer,
in Ieee1609Dot2Data p_ieee1609dot2_encrypted_and_signed_data,
in boolean p_check_security := true,
out Oct16 p_request_hash,
out EtsiTs102941Data p_etsi_ts_102941_data,
out Oct16 p_aes_enc_key
) return boolean {
// Local variables
var bitstring v_msg_bit;
var octetstring v_msg;
var Ieee1609Dot2Data v_ieee1609dot2_signed_data;
var Certificate v_certificate;
var charstring v_certificate_id;
log(">>> f_verify_pki_request_message: p_private_enc_key= ", p_private_enc_key);
log(">>> f_verify_pki_request_message: p_salt= ", p_salt);
log(">>> f_verify_pki_request_message: p_issuer= ", p_issuer);
log(">>> f_verify_pki_request_message: p_ieee1609dot2_encrypted_and_signed_data= ", p_ieee1609dot2_encrypted_and_signed_data);
// 1. Calculate the request Hash
v_msg := bit2oct(encvalue(p_ieee1609dot2_encrypted_and_signed_data));
log("f_verify_pki_request_message: Encoded request: ", v_msg);
p_request_hash := substr(f_hashWithSha256(v_msg), 0, 16);
log("f_verify_pki_request_message: p_request_hash= ", p_request_hash);
// 2. Decrypt the InnerEcRequest
log("f_verify_pki_request_message: p_private_enc_key= ", p_private_enc_key);
if (f_decrypt(p_private_enc_key, p_ieee1609dot2_encrypted_and_signed_data, p_salt, v_ieee1609dot2_signed_data, p_aes_enc_key) == false) {
log("f_verify_pki_request_message: Failed to decrypt message");
return false;
}
log("f_verify_pki_request_message: v_ieee1609dot2_signed_data= ", v_ieee1609dot2_signed_data);
log("f_verify_pki_request_message: p_aes_enc_key= ", p_aes_enc_key);
// 3. Check basics security
log(
match(
v_ieee1609dot2_signed_data,
mw_etsiTs103097Data_signed(
mw_signedData(
-,
mw_toBeSignedData(
mw_signedDataPayload,
YannGarcia
committed
mw_ieee1609Dot2_headerInfo(c_its_aid_SCR)
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)
)
)));
if (match(v_ieee1609dot2_signed_data, mw_etsiTs103097Data_signed(mw_signedData(-, mw_toBeSignedData(mw_signedDataPayload)))) == false) {
log("f_verify_pki_request_message: Failed to check basic security");
if (p_check_security == true) {
return false;
}
}
// 4. Verifiy signature
log("f_verify_pki_request_message: v_ieee1609dot2_signed_data.content.signedData.tbsData= ", v_ieee1609dot2_signed_data.content.signedData.tbsData);
v_msg := bit2oct(encvalue(v_ieee1609dot2_signed_data.content.signedData.tbsData));
log("f_verify_pki_request_message: v_msg= ", v_msg);
if (p_issuer == ''O) { // self
log("f_verify_pki_request_message: Issuer is self, check outer signature using IUT public key (PICS_ITS_S_SIGN_xxx_PUBLIC_KEY)");
var PublicVerificationKey v_verification_key;
log("f_verify_pki_request_message: PX_VE_ALG=", PX_VE_ALG);
if (PX_VE_ALG == e_nist_p256) {
if (PICS_ITS_S_SIGN_NISTP256_PUBLIC_KEY[0] == '02'O) {
v_verification_key.ecdsaNistP256.compressed_y_0 := substr(PICS_ITS_S_SIGN_NISTP256_PUBLIC_KEY, 1, 32);
} else {
v_verification_key.ecdsaNistP256.compressed_y_1 := substr(PICS_ITS_S_SIGN_NISTP256_PUBLIC_KEY, 1, 32);
}
} else if (PX_VE_ALG == e_brainpool_p256_r1) {
if (PICS_ITS_S_SIGN_BRAINPOOLP256r1_PUBLIC_KEY[0] == '02'O) {
v_verification_key.ecdsaBrainpoolP256r1.compressed_y_0 := substr(PICS_ITS_S_SIGN_BRAINPOOLP256r1_PUBLIC_KEY, 1, 32);
} else {
v_verification_key.ecdsaBrainpoolP256r1.compressed_y_1 := substr(PICS_ITS_S_SIGN_BRAINPOOLP256r1_PUBLIC_KEY, 1, 32);
}
} else if (PX_VE_ALG == e_brainpool_p384_r1) {
if (PICS_ITS_S_SIGN_BRAINPOOLP384r1_PUBLIC_KEY[0] == '02'O) {
v_verification_key.ecdsaBrainpoolP384r1.compressed_y_0 := substr(PICS_ITS_S_SIGN_BRAINPOOLP384r1_PUBLIC_KEY, 1, 48);
} else {
v_verification_key.ecdsaBrainpoolP384r1.compressed_y_1 := substr(PICS_ITS_S_SIGN_BRAINPOOLP384r1_PUBLIC_KEY, 1, 48);
}
}
log("f_verify_pki_request_message: v_verification_key=", v_verification_key);
if (f_verifyEcdsa(v_msg, int2oct(0, 32), v_ieee1609dot2_signed_data.content.signedData.signature_, v_verification_key) == false) {
if (p_check_security == true) {
return false;
}
}
//return false;
} else {
if (f_getCertificateFromDigest(f_hashedId8FromSha256(p_issuer), v_certificate, v_certificate_id) == false) {
if (p_check_security == true) {
return false;
}
}
log("f_verify_pki_request_message: v_certificate= ", v_certificate);
if (f_verifyEcdsa(v_msg, p_issuer, v_ieee1609dot2_signed_data.content.signedData.signature_, v_certificate.toBeSigned.verifyKeyIndicator.verificationKey) == false) {
if (p_check_security == true) {
return false;
}
}
}
// 4. Return the PKI message
log("f_verify_pki_request_message: v_ieee1609dot2_signed_data.content.signedData.tbsData.payload.data.content.unsecuredData= ", v_ieee1609dot2_signed_data.content.signedData.tbsData.payload.data.content.unsecuredData);
v_msg_bit := oct2bit(v_ieee1609dot2_signed_data.content.signedData.tbsData.payload.data.content.unsecuredData);
if (decvalue(v_msg_bit, p_etsi_ts_102941_data) != 0) {
if (p_check_security == true) {
return false;
}
}
if (p_etsi_ts_102941_data.version != PkiProtocolVersion) {
if (p_check_security == true) {
return false;
}
}
log("<<< f_verify_pki_request_message: true");
return true;
} // End of function f_verify_pki_request_message
YannGarcia
committed
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/**
* @desc Verify the protocol element of the Pki message.
* If p_check_security is set to false, only decryption and decoding of the outer message are verified.
* @param p_private_key Private key for decryption
* @param p_publicEphemeralCompressedKey
* @param p_publicEphemeralCompressedKeyMode
* @param p_issuer Issuer
* @param p_certificate Certificate to use for verification key
* @param p_ieee1609dot2_encrypted_and_signed_data The received encrypted and signed data
* @param p_check_security Set to true to verify PKI protocol element such as signatures...
* @param p_response_type Response type (0: InnerEcResponse, 1: InnerAtResponse...). Default: 0
* @param p_etsi_ts_102941_data The EtsiTs102941Data message
* @return true on success, false otherwise
*/
function f_verify_pki_response_message(
in octetstring p_private_enc_key,
in Oct16 p_aes_sym_key,
in Oct16 p_authentication_vector, // TODO Tobe removed
in octetstring p_issuer,
in Ieee1609Dot2Data p_ieee1609dot2_encrypted_and_signed_data,
in boolean p_check_security := true,
in integer p_response_type := 0,
out EtsiTs102941Data p_etsi_ts_102941_data
) return boolean {
// Local variables
var octetstring v_public_enc_key;
var integer v_compressed_enc_key_mode;
var octetstring v_plain_message;
var Ieee1609Dot2Data v_ieee1609dot2_signed_data;
var Certificate v_certificate;
var charstring v_certificate_id;
var bitstring v_etsi_ts_102941_data_msg;
var bitstring v_tbs;
var boolean v_ret;
log(">>> f_verify_pki_response_message: p_private_enc_key= ", p_private_enc_key);
log(">>> f_verify_pki_response_message: p_aes_sym_key= ", p_aes_sym_key);
log(">>> f_verify_pki_response_message: p_authentication_vector= ", p_authentication_vector);
log(">>> f_verify_pki_response_message: p_issuer= ", p_issuer);
log(">>> f_verify_pki_response_message: p_check_security= ", p_check_security);
log(">>> f_verify_pki_response_message: p_response_type= ", p_response_type);
// TODO Check p_ieee1609dot2_encrypted_and_signed_data.content.encryptedData.recipients[0].pskRecipInfo. See IEEE Std 1609.2-2017 Clause 6.3.34 PreSharedKeyRecipientInfo
// 1. Decrypt the data
v_plain_message := fx_decrypt_aes_128_ccm_test(p_aes_sym_key, p_ieee1609dot2_encrypted_and_signed_data.content.encryptedData.ciphertext.aes128ccm.nonce, p_ieee1609dot2_encrypted_and_signed_data.content.encryptedData.ciphertext.aes128ccm.ccmCiphertext);
if (isbound(v_plain_message) == false) {
return false;
}
log("f_verify_pki_response_message: v_plain_message= ", v_plain_message);
// 2. Decode it
v_tbs := oct2bit(v_plain_message);
if (decvalue(v_tbs, v_ieee1609dot2_signed_data) != 0) {
return false;
}
log("f_verify_pki_response_message: v_ieee1609dot2_signed_data= ", v_ieee1609dot2_signed_data);
// 3. Check the signature
log("f_verify_pki_response_message: v_ieee1609dot2_signed_data.content.signedData.tbsData= ", v_ieee1609dot2_signed_data.content.signedData.tbsData);
v_tbs := encvalue(v_ieee1609dot2_signed_data.content.signedData.tbsData);
if (f_getCertificateFromDigest(v_ieee1609dot2_signed_data.content.signedData.signer.digest, v_certificate, v_certificate_id) == false) {
if (p_check_security == true) {
return false;
}
}
if (f_verifyEcdsa(bit2oct(v_tbs), p_issuer, v_ieee1609dot2_signed_data.content.signedData.signature_, v_certificate.toBeSigned.verifyKeyIndicator.verificationKey) == false) {
if (p_check_security == true) {
return false;
}
}
// 4. Verify EtsiTs103097Data-Signed HeaderInfo
// TODO Parameter p_response_type seems to be useless
if ((p_response_type == 0) or (p_response_type == 1)) { // InnerEcResponse & InnerAtResponse
log("f_verify_pki_response_message: headerInfo matching= ", match(v_ieee1609dot2_signed_data.content.signedData.tbsData.headerInfo, mw_headerInfo_inner_pki_response));
if (match(v_ieee1609dot2_signed_data.content.signedData.tbsData.headerInfo, mw_headerInfo_inner_pki_response) == false) {
if (p_check_security == true) {
return false;
}
}
} // else, no check
// 5. Return the PKI message
log("f_verify_pki_response_message: v_ieee1609dot2_signed_data.content.signedData.tbsData.payload.data.content.unsecuredData= ", v_ieee1609dot2_signed_data.content.signedData.tbsData.payload.data.content.unsecuredData);
v_etsi_ts_102941_data_msg := oct2bit(v_ieee1609dot2_signed_data.content.signedData.tbsData.payload.data.content.unsecuredData);
if (decvalue(v_etsi_ts_102941_data_msg, p_etsi_ts_102941_data) != 0) {
return false;
}
if (p_etsi_ts_102941_data.version != PkiProtocolVersion) {
return false;
}
return true;
} // End of function f_verify_pki_response_message
YannGarcia
committed
function f_verify_repeated_request(
in HttpMessage p_request_1,
in HttpMessage p_request_2
) return boolean {
return false;
} // End of function f_verify_repeated_request
/**
* @desc Verify the EC certificate generated by the EA entity
* @param p_ec_certificate The new EC certificate
* @param p_ea_certificate The certificate issuer
* @param p_public_key_compressed The public compressed key (canonical form) generated for the InnerEcRequest
* @param p_compressed_mode The public compressed key mode
* @return true on success, false otherwise
*/
function f_verify_ec_certificate(
in Certificate p_ec_certificate,
in Certificate p_ea_certificate,
in HashedId8 p_ea_hashed_id8,
in octetstring p_public_key_compressed,
in integer p_compressed_mode,
out HashedId8 p_ec_cert_hashed_id8
) return boolean {
var bitstring v_encoded_cert;
var Oct32 v_ec_cert_hash;
// Calculate the HashedId8 of the whole certificate
v_encoded_cert := encvalue(p_ec_certificate);
v_ec_cert_hash := f_hashWithSha256(bit2oct(v_encoded_cert));
log("f_verify_ec_certificate: ==> EC certificate Hash: ", v_ec_cert_hash);
p_ec_cert_hashed_id8 := f_hashedId8FromSha256(v_ec_cert_hash);
log("f_verify_ec_certificate: ==> EC certificate HashedId8: ", p_ec_cert_hashed_id8);
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// Check the signer
log("f_verify_ec_certificate: Check the signer: ", match(p_ec_certificate.issuer, m_issuerIdentifier_sha256AndDigest(p_ea_hashed_id8)));
log("f_verify_ec_certificate: Check the signer: ", match(p_ec_certificate.issuer, m_issuerIdentifier_sha384AndDigest(p_ea_hashed_id8)));
if (
(match(p_ec_certificate.issuer, m_issuerIdentifier_sha256AndDigest(p_ea_hashed_id8)) == false) and
(match(p_ec_certificate.issuer, m_issuerIdentifier_sha384AndDigest(p_ea_hashed_id8)) == false)
) {
log("f_verify_ec_certificate: Wrong issuer");
return false;
}
// Check EC certificate signature
if (f_verifyCertificateSignatureWithPublicKey(p_ec_certificate, p_ea_certificate.toBeSigned.verifyKeyIndicator.verificationKey) == false) {
log("f_verify_ec_certificate: Signature not verified");
return false;
}
// TODO Check that requested information are present
if (f_verifySspPermissions(p_ec_certificate.toBeSigned.appPermissions, p_ea_certificate.toBeSigned.appPermissions) == false) {
log("f_verify_ec_certificate: Ssp permissions not verified");
return false;
}
return true;
} // End of function f_verify_ec_certificate
/**
* @desc Verify the generated AT certificate
* @param p_at_certificate The new AT certificate
* @param p_ea_certificate The certificate issuer
* @param p_public_key_compressed The public compressed key (canonical form) generated for the InnerAtRequest
* @param p_compressed_mode The public compressed key mode
* @return true on success, false otherwise
*/
function f_verify_at_certificate(
in Certificate p_at_certificate,
in Certificate p_aa_certificate,
in octetstring p_public_key_compressed,
in integer p_compressed_mode
) return boolean {
var bitstring v_encoded_cert;
var HashedId8 v_at_cert_hashed_id8;
// Calculate the HashedId8 of the whole certificate
v_encoded_cert := encvalue(p_at_certificate);
v_at_cert_hashed_id8 := f_hashedId8FromSha256(f_hashWithSha256(bit2oct(v_encoded_cert)));
log("f_verify_at_certificate: EC certificate HashedId8: ", v_at_cert_hashed_id8);
// Check the signer
log("f_verify_at_certificate: ", match(p_at_certificate.issuer, mw_issuerIdentifier_self()));
if (match(p_at_certificate.issuer, mw_issuerIdentifier_self)) {
return false;
}
// Check EC certificate signature
if (f_verifyCertificateSignatureWithPublicKey(p_at_certificate, p_aa_certificate.toBeSigned.verifyKeyIndicator.verificationKey) == false) {
log("f_verify_at_certificate: Signature not verified");
return false;
}
// TODO Check that requested information are present
if (f_verifySspPermissions(p_aa_certificate.toBeSigned.appPermissions, p_at_certificate.toBeSigned.appPermissions) == false) {
log("f_verify_ec_certificate: Ssp permissions not verified");
return false;
}
return true;
} // End of function f_verify_at_certificate
} // End of group inner_ec_xxx
group altsteps {
altstep a_default_pki_http() runs on ItsPkiHttp {
[not(PICS_MULTIPLE_END_POINT)] httpPort.receive(
mw_http_response(
mw_http_response_ko
)) {
tc_ac.stop;
log("*** " & testcasename() & ": FAIL: Unexpected message received ***");
f_selfOrClientSyncAndVerdictTestBody(c_tbDone, e_error);
}
[not(PICS_MULTIPLE_END_POINT)] httpPort.receive(mw_http_request) {
tc_ac.stop;
log("*** a_default: ERROR: Unexpected HTTP Request received ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[not(PICS_MULTIPLE_END_POINT)] httpPort.receive(mw_http_response) {
tc_ac.stop;
log("*** a_default: ERROR: Unexpected HTTP Response received ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[not(PICS_MULTIPLE_END_POINT)] httpPort.receive {
tc_ac.stop;
log("*** a_default: ERROR: Unexpected HTTP message received ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[] a_shutdown() {
log("*** a_default: INFO: TEST COMPONENT NOW STOPPING ITSELF! ***");
stop;
}
} // End of altstep a_default_pki_http
altstep a_default_pki_http_ec() runs on ItsPkiHttp {
[PICS_MULTIPLE_END_POINT] httpEcPort.receive(
mw_http_response(
mw_http_response_ko
)) {
tc_ac.stop;
log("*** " & testcasename() & ": FAIL: Unexpected message received ***");
f_selfOrClientSyncAndVerdictTestBody(c_tbDone, e_error);
}
[PICS_MULTIPLE_END_POINT] httpEcPort.receive(mw_http_request) {
tc_ac.stop;
log("*** a_default: ERROR: Unexpected HTTP Request received ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[PICS_MULTIPLE_END_POINT] httpEcPort.receive(mw_http_response) {
tc_ac.stop;
log("*** a_default: ERROR: Unexpected HTTP Response received ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[PICS_MULTIPLE_END_POINT] httpEcPort.receive {
tc_ac.stop;
log("*** a_default: ERROR: Unexpected HTTP message received ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[] a_shutdown() {
log("*** a_default: INFO: TEST COMPONENT NOW STOPPING ITSELF! ***");
stop;
}
} // End of altstep a_default_pki_http_ec
altstep a_default_pki_http_atv() runs on ItsPkiHttp {
[PICS_MULTIPLE_END_POINT] httpAtVPort.receive(
mw_http_response(
mw_http_response_ko
)) {
tc_ac.stop;
log("*** " & testcasename() & ": FAIL: Unexpected message received ***");
f_selfOrClientSyncAndVerdictTestBody(c_tbDone, e_error);
}
[PICS_MULTIPLE_END_POINT] httpAtVPort.receive(mw_http_request) {
tc_ac.stop;
log("*** a_default: ERROR: Unexpected HTTP Request received ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[PICS_MULTIPLE_END_POINT] httpAtVPort.receive(mw_http_response) {
tc_ac.stop;
log("*** a_default: ERROR: Unexpected HTTP Response received ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[PICS_MULTIPLE_END_POINT] httpAtVPort.receive {
tc_ac.stop;
log("*** a_default: ERROR: Unexpected HTTP message received ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[] a_shutdown() {
log("*** a_default: INFO: TEST COMPONENT NOW STOPPING ITSELF! ***");
stop;
}
} // End of altstep a_default_pki_http_atv
altstep a_default_pki_http_at() runs on ItsPkiHttp {
[PICS_MULTIPLE_END_POINT] httpAtPort.receive(
mw_http_response(
mw_http_response_ko
)) {
tc_ac.stop;
log("*** " & testcasename() & ": FAIL: Unexpected message received ***");
f_selfOrClientSyncAndVerdictTestBody(c_tbDone, e_error);
}
[PICS_MULTIPLE_END_POINT] httpAtPort.receive(mw_http_request) {
tc_ac.stop;
log("*** a_default: ERROR: Unexpected HTTP Request received ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[PICS_MULTIPLE_END_POINT] httpAtPort.receive(mw_http_response) {
tc_ac.stop;
log("*** a_default: ERROR: Unexpected HTTP Response received ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[PICS_MULTIPLE_END_POINT] httpAtPort.receive {
tc_ac.stop;
log("*** a_default: ERROR: Unexpected HTTP message received ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[] a_shutdown() {
log("*** a_default: INFO: TEST COMPONENT NOW STOPPING ITSELF! ***");
stop;
}
} // End of altstep a_default_pki_http_at
altstep a_default_pki_http_ca() runs on ItsPkiHttp {
[PICS_MULTIPLE_END_POINT] httpCaPort.receive(
mw_http_response(
mw_http_response_ko
)) {
tc_ac.stop;
log("*** " & testcasename() & ": FAIL: Unexpected message received ***");
f_selfOrClientSyncAndVerdictTestBody(c_tbDone, e_error);
}
[PICS_MULTIPLE_END_POINT] httpCaPort.receive(mw_http_request) {
tc_ac.stop;
log("*** a_default: ERROR: Unexpected HTTP Request received ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[PICS_MULTIPLE_END_POINT] httpCaPort.receive(mw_http_response) {
tc_ac.stop;
log("*** a_default: ERROR: Unexpected HTTP Response received ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[PICS_MULTIPLE_END_POINT] httpCaPort.receive {
tc_ac.stop;
log("*** a_default: ERROR: Unexpected HTTP message received ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[] a_shutdown() {
log("*** a_default: INFO: TEST COMPONENT NOW STOPPING ITSELF! ***");
stop;
}
} // End of altstep a_default_pki_http_ca
altstep a_default_pki_http_tlm() runs on ItsPkiHttp {
[PICS_MULTIPLE_END_POINT] httpTlmPort.receive(
mw_http_response(
mw_http_response_ko
)) {
tc_ac.stop;
log("*** " & testcasename() & ": FAIL: Unexpected message received ***");
f_selfOrClientSyncAndVerdictTestBody(c_tbDone, e_error);
}
[PICS_MULTIPLE_END_POINT] httpTlmPort.receive(mw_http_request) {
tc_ac.stop;
log("*** a_default: ERROR: Unexpected HTTP Request received ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[PICS_MULTIPLE_END_POINT] httpTlmPort.receive(mw_http_response) {
tc_ac.stop;
log("*** a_default: ERROR: Unexpected HTTP Response received ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[PICS_MULTIPLE_END_POINT] httpTlmPort.receive {
tc_ac.stop;
log("*** a_default: ERROR: Unexpected HTTP message received ***");
f_selfOrClientSyncAndVerdict("error", e_error);
}
[] a_shutdown() {
log("*** a_default: INFO: TEST COMPONENT NOW STOPPING ITSELF! ***");
stop;
}
} // End of altstep a_default_pki_http_tlm
altstep a_await_ec_http_request_from_iut(
template HttpMessage p_http_message,
[not(PICS_MULTIPLE_END_POINT)] httpPort.receive(p_http_message) -> value p_request {
log("a_await_ec_http_request_from_iut: Received message on httpPort");
}
[PICS_MULTIPLE_END_POINT] httpEcPort.receive(p_http_message) -> value p_request {
log("a_await_ec_http_request_from_iut: Received message on httpEcPort");
}
} // End of altstep a_await_ec_http_request_from_iut
altstep a_await_ec_http_response_from_iut(
template HttpMessage p_http_message,
out HttpMessage p_response
) runs on ItsPkiHttp {
[not(PICS_MULTIPLE_END_POINT)] httpPort.receive(p_http_message) -> value p_response {
log("a_await_ec_http_response_from_iut: Received message on httpPort");
}
[PICS_MULTIPLE_END_POINT] httpEcPort.receive(p_http_message) -> value p_response {
log("a_await_ec_http_response_from_iut: Received message on httpEcPort");
}
} // End of altstep a_await_ec_http_response_from_iut
altstep a_await_at_http_request_from_iut(
template HttpMessage p_http_message,
out HttpMessage p_request
) runs on ItsPkiHttp {
[not(PICS_MULTIPLE_END_POINT)] httpPort.receive(p_http_message) -> value p_request {
log("a_await_at_http_request_from_iut: Received message on httpPort");
}
[PICS_MULTIPLE_END_POINT] httpAtPort.receive(p_http_message) -> value p_request {
log("a_await_at_http_request_from_iut: Received message on httpAtPort");
}
} // End of altstep a_await_at_http_request_from_iut
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altstep a_await_at_http_response_from_iut(
template HttpMessage p_http_message,
out HttpMessage p_response
) runs on ItsPkiHttp {
[not(PICS_MULTIPLE_END_POINT)] httpPort.receive(p_http_message) -> value p_response {
log("a_await_at_http_response_from_iut: Received message on httpPort");
}
[PICS_MULTIPLE_END_POINT] httpAtPort.receive(p_http_message) -> value p_response {
log("a_await_at_http_response_from_iut: Received message on httpAtPort");
}
} // End of altstep a_await_at_http_response_from_iut
altstep a_await_atv_http_request_from_iut(
template HttpMessage p_http_message,
out HttpMessage p_request
) runs on ItsPkiHttp {
[not(PICS_MULTIPLE_END_POINT)] httpPort.receive(p_http_message) -> value p_request {
log("a_await_atv_http_request_from_iut: Received message on httpPort");
}
[PICS_MULTIPLE_END_POINT] httpAtVPort.receive(p_http_message) -> value p_request {
log("a_await_avt_http_request_from_iut: Received message on httpAtVPort");
}
} // End of altstep a_await_atv_http_request_from_iut
altstep a_await_atv_http_response_from_iut(
template HttpMessage p_http_message,
out HttpMessage p_response
) runs on ItsPkiHttp {
[not(PICS_MULTIPLE_END_POINT)] httpPort.receive(p_http_message) -> value p_response {
log("a_await_atv_http_response_from_iut: Received message on httpPort");
}
[PICS_MULTIPLE_END_POINT] httpAtVPort.receive(p_http_message) -> value p_response {
log("a_await_avt_http_response_from_iut: Received message on httpAtVPort");
}
} // End of altstep a_await_atv_http_response_from_iut
altstep a_await_dc_http_request_from_iut(
template HttpMessage p_http_message,
[not(PICS_MULTIPLE_END_POINT)] httpPort.receive(p_http_message) -> value p_request {
log("a_await_dc_http_request_from_iut: Received message on httpPort");
}
[PICS_MULTIPLE_END_POINT] httpCaPort.receive(p_http_message) -> value p_request {
log("a_await_dc_http_request_from_iut: Received message on httpCaPort");
}
} // End of altstep a_await_dc_http_request_from_iut
altstep a_await_ctl_http_request_from_iut(
template HttpMessage p_http_message,
[not(PICS_MULTIPLE_END_POINT)] httpPort.receive(p_http_message) -> value p_request {
log("a_await_ctl_http_request_from_iut: Received message on httpPort");
}
[PICS_MULTIPLE_END_POINT] httpCaPort.receive(p_http_message) -> value p_request {
log("a_await_ctl_http_request_from_iut: Received message on httpCaPort");
}
} // End of altstep a_await_ctl_http_request_from_iut
altstep a_await_crl_http_request_from_iut(
template HttpMessage p_http_message,
[not(PICS_MULTIPLE_END_POINT)] httpPort.receive(p_http_message) -> value p_request {
log("a_await_crl_http_request_from_iut: Received message on httpPort");
}
[PICS_MULTIPLE_END_POINT] httpCaPort.receive(p_http_message) -> value p_request {
log("a_await_crl_http_request_from_iut: Received message on httpCaPort");
}
} // End of altstep a_await_crl_http_request_from_iut
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altstep a_await_cpoc_http_request_from_iut(
template HttpMessage p_http_message,
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) runs on ItsPkiHttp {
[not(PICS_MULTIPLE_END_POINT)] httpPort.receive(p_http_message) -> value p_request {
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log("a_await_cpoc_http_request_from_iut: Received message on httpPort");
}
[PICS_MULTIPLE_END_POINT] httpCaPort.receive(p_http_message) -> value p_request {
log("a_await_cpoc_http_request_from_iut: Received message on httpCaPort");
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}
} // End of altstep a_await_cpoc_http_request_from_iut
altstep a_await_any_http_request_from_iut(
template HttpMessage p_http_message,
[not(PICS_MULTIPLE_END_POINT)] httpPort.receive(p_http_message) -> value p_request {
log("a_await_any_http_request_from_iut: Received message on httpPort");
}
[PICS_MULTIPLE_END_POINT] httpCaPort.receive(p_http_message) -> value p_request {
log("a_await_any_http_request_from_iut: Received message on httpEcPort");
}
} // End of altstep a_await_any_http_request_from_iut
} // End of group altsteps
} // End of module LibItsPki_Functions