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/**
* @author ETSI / STF481
* @version $URL$
* $Id$
* @desc Module containing functions for the secured GN ATS
*
*/
module AtsSecurity_Functions {
// LibCommon
import from LibCommon_Sync all;
import from LibCommon_BasicTypesAndValues all;
import from LibCommon_Time all;
// LibIts
import from DENM_PDU_Descriptions language "ASN.1:1997" all;
import from ITS_Container language "ASN.1:1997" all;
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// LibItsCommon
import from LibItsCommon_TypesAndValues all;
import from LibItsCommon_TestSystem all;
import from LibItsCommon_Functions all;
// LibItsDenm
import from LibItsDenm_TypesAndValues all;
import from LibItsDenm_Templates all;
import from LibItsDenm_Functions all;
import from LibItsDenm_TestSystem all;
// LibItsCam
import from LibItsCam_Templates all;
import from LibItsCam_Functions all;
import from LibItsCam_TestSystem all;
// LibItsGeoNetworking
import from LibItsGeoNetworking_TestSystem all;
import from LibItsGeoNetworking_Functions all;
import from LibItsGeoNetworking_Templates all;
import from LibItsGeoNetworking_TypesAndValues all;
// LibItsSecurity
import from LibItsSecurity_TypesAndValues all;
import from LibItsSecurity_Templates all;
import from LibItsSecurity_Functions all;
import from LibItsSecurity_Pixits all;
group secCam {
/**
* @desc Prepare a secured CAM
* @param p_configId The configuration identifier to be used
* @param p_headerFields HeaderFields to be inserted in the message
* @param p_signerInfoType Add digest or AT certificate or certificate chain
* @param p_addMissingHeaders Whether to add mandatory headers not present in p_headerFields
* @return Secured GeoNetworking packet containing a CAM
*/
function f_prepareSecuredCam(
in charstring p_configId,
in template (omit) HeaderFields p_headerFields := omit,
in SignerInfoType p_signerInfoType := e_certificate_digest_with_sha256,
in boolean p_addMissingHeaders := true
) runs on ItsGeoNetworking return GeoNetworkingPdu {
// Local variables
var GnNonSecuredPacket v_gnNonSecuredPacket;
var octetstring v_gnPayload;
var template (value) SecuredMessage v_securedMessage;
// Build signed SecuredMessage
v_gnNonSecuredPacket := valueof(m_geoNwShbPacket(
f_getPosition(c_compNodeC)
));
// Add CAM payload
v_gnNonSecuredPacket.payload := valueof(
f_adaptPayload_m(
bit2oct(
encvalue(
m_camReq(
m_camMsg_vehicle_HF_BV(
f_getTsStationId(),
f_getCurrentTime() mod 65536, // See ETSI EN 302 637-2 V1.3.0 - Clause B.3 generationDelatTime
LibItsCam_Templates.m_tsPosition
))))));
// Encode it
v_gnPayload := bit2oct(
encvalue(
v_gnNonSecuredPacket
)
);
f_buildGnSecuredCam(
v_securedMessage,
m_payload_signed(v_gnPayload),
p_signerInfoType,
p_headerFields,
p_configId,
p_addMissingHeaders
);
// Return secured Gn packet
return valueof(m_geoNwSecPdu(v_gnNonSecuredPacket, v_securedMessage));
} // End of function f_prepareSecuredCam
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/**
* @desc Prepare a secured CAM including wrong elements of protocols. It is used for BO test cases
* @param p_configId The configuration identifier to be used
* @param p_protocolVersion The protocol version to be set. Default: 2
* @param p_trailerStatus The Traile behaviour:
* <li>0 for no trailer</li>
* <li>1 for invalid trailer</li>
* <li>2 for duplicated trailer</li>
* @param p_headerFields HeaderFields to be inserted in the message
* @param p_signerInfoType Add digest or AT certificate or certificate chain
* @param p_addMissingHeaders Whether to add mandatory headers not present in p_headerFields
* @return Secured GeoNetworking packet containing a CAM
*/
function f_prepareSecuredCam_Bo(
in charstring p_configId,
in integer p_protocolVersion := c_protocol_version,
in integer p_trailerStatus := 0,
in template (omit) HeaderFields p_headerFields := omit,
in SignerInfoType p_signerInfoType := e_certificate_digest_with_sha256,
in boolean p_addMissingHeaders := true
) runs on ItsGeoNetworking return GeoNetworkingPdu {
// Local variables
var GnNonSecuredPacket v_gnNonSecuredPacket;
var octetstring v_gnPayload;
var template (value) SecuredMessage v_securedMessage;
// Build signed SecuredMessage
v_gnNonSecuredPacket := valueof(m_geoNwShbPacket(
f_getPosition(c_compNodeC)
));
// Add CAM payload
v_gnNonSecuredPacket.payload := valueof(
f_adaptPayload_m(
bit2oct(
encvalue(
m_camReq(
m_camMsg_vehicle_HF_BV(
f_getTsStationId(),
f_getCurrentTime() mod 65536, // See ETSI EN 302 637-2 V1.3.0 - Clause B.3 generationDelatTime
LibItsCam_Templates.m_tsPosition
))))));
// Encode it
v_gnPayload := bit2oct(
encvalue(
v_gnNonSecuredPacket
)
);
f_buildGnSecuredCam_Bo(
v_securedMessage,
p_protocolVersion,
p_trailerStatus,
m_payload_signed(v_gnPayload),
p_signerInfoType,
p_headerFields,
p_configId,
p_addMissingHeaders
);
// Return secured Gn packet
return valueof(m_geoNwSecPdu(v_gnNonSecuredPacket, v_securedMessage));
} // End of function f_prepareSecuredCam_Bo
/**
* @desc Sends a secured CAM
* @param p_configId The configuration identifier to be used
* @param p_headerFields Additional HeaderFields
* @param p_signerInfoType Add digest or AT certificate or certificate chain
* @return GeoNetworking payload
*/
function f_sendSecuredCam(
in charstring p_configId,
in template (omit) HeaderFields p_headerFields := omit,
in SignerInfoType p_signerInfoType := e_certificate_digest_with_sha256
) runs on ItsGeoNetworking return GeoNetworkingPdu {
// Local variables
var GeoNetworkingPdu v_securedGnPdu := f_prepareSecuredCam(p_configId, p_headerFields, p_signerInfoType);
f_sendGeoNetMessage(m_geoNwReq_linkLayerBroadcast(v_securedGnPdu));
return v_securedGnPdu;
} // End of function f_sendSecuredCam
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/**
* @desc Sends a secured CAM including wrong elements of protocols. It is used for BO test cases
* @param p_configId The configuration identifier to be used
* @param p_protocolVersion The protocol version to be set. Default: 2
* @param p_trailerStatus The Traile behaviour:
* <li>0 for no trailer</li>
* <li>1 for invalid trailer</li>
* <li>2 for duplicated trailer</li>
* @param p_headerFields Additional HeaderFields
* @param p_signerInfoType Add digest or AT certificate or certificate chain
* @return GeoNetworking payload
*/
function f_sendSecuredCam_Bo(
in charstring p_configId,
in integer p_protocolVersion := c_protocol_version,
in integer p_trailerStatus := 1,
in template (omit) HeaderFields p_headerFields := omit,
in SignerInfoType p_signerInfoType := e_certificate_digest_with_sha256
) runs on ItsGeoNetworking return GeoNetworkingPdu {
// Local variables
var GeoNetworkingPdu v_securedGnPdu := f_prepareSecuredCam_Bo(p_configId, p_protocolVersion, p_trailerStatus, p_headerFields, p_signerInfoType);
f_sendGeoNetMessage(m_geoNwReq_linkLayerBroadcast(v_securedGnPdu));
return v_securedGnPdu;
} // End of function f_sendSecuredCam
} // End of group secCam
group secDenm {
/**
* @desc Prepare a secured DENM
* @param p_configId The configuration identifier to be used
* @param p_headerFields HeaderFields to be inserted in the message
* @param p_signerInfoType Add digest or AT certificate or certificate chain
* @param p_addMissingHeaders Whether to add mandatory headers not present in p_headerFields
* @return Secured GeoNetworking packet containing a CAM
*/
function f_prepareSecuredDenm(
in charstring p_configId,
in template (omit) HeaderFields p_headerFields := omit,
in SignerInfoType p_signerInfoType := e_certificate,
in boolean p_addMissingHeaders := true
) runs on ItsGeoNetworking return GeoNetworkingPdu {
// Local variables
var GnNonSecuredPacket v_gnNonSecuredPacket;
var octetstring v_gnPayload;
var LongPosVector v_longPosVectorNodeB := f_getPosition(c_compNodeB); // Use NodeB
var template (value) SecuredMessage v_securedMessage;
var template (value) SituationContainer v_situation := m_situation(CauseCodeType_vehicleBreakdown_, VehicleBreakdownSubCauseCode_unavailable_);
// Build signed SecuredMessage
v_gnNonSecuredPacket := valueof(
m_geoNwBroadcastPacket(
v_longPosVectorNodeB,
vc_localSeqNumber,
f_getGeoBroadcastArea(
c_area1 // Select area1 (see ETSI TS 102 871-2 Clause 4.2 Configuration 1)
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)));
// Add the DENM payload
v_gnNonSecuredPacket.payload := valueof(
f_adaptPayload_m(
bit2oct(
encvalue(
m_denmReq(
m_denmPdu(
m_denm(
m_denmMgmtCon(
m_tsActionId
),
v_situation,
m_denmLocation_zeroDelta
)))))));
// Encode it
v_gnPayload := bit2oct(
encvalue(
v_gnNonSecuredPacket
)
);
f_buildGnSecuredDenm(
v_securedMessage,
m_payload_signed(v_gnPayload),
p_signerInfoType,
valueof(m_threeDLocation(
v_longPosVectorNodeB.latitude,
v_longPosVectorNodeB.longitude,
'0000'O
)),
p_headerFields,
p_configId,
p_addMissingHeaders
);
// Return secured Gn packet
return valueof(m_geoNwSecPdu(v_gnNonSecuredPacket, v_securedMessage));
} // End of function f_prepareSecuredDenm
/**
* @desc Prepare a secured DENM including wrong elements of protocols. It is used for BO test cases
* @param p_configId The configuration identifier to be used
* @param p_protocolVersion The protocol version to be set. Default: 2
* @param p_trailerStatus The Traile behaviour:
* <li>0 for no trailer</li>
* <li>1 for invalid trailer</li>
* <li>2 for duplicated trailer</li>
* @param p_headerFields HeaderFields to be inserted in the message
* @param p_signerInfoType Add digest or AT certificate or certificate chain
* @param p_addMissingHeaders Whether to add mandatory headers not present in p_headerFields
* @return Secured GeoNetworking packet containing a CAM
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function f_prepareSecuredDenm_Bo(
in charstring p_configId,
in integer p_protocolVersion := c_protocol_version,
in integer p_trailerStatus := 0,
in template (omit) HeaderFields p_headerFields := omit,
in SignerInfoType p_signerInfoType := e_certificate,
in boolean p_addMissingHeaders := true
) runs on ItsGeoNetworking return GeoNetworkingPdu {
// Local variables
var GnNonSecuredPacket v_gnNonSecuredPacket;
var octetstring v_gnPayload;
var LongPosVector v_longPosVectorNodeB := f_getPosition(c_compNodeB); // Use NodeB
var template (value) SecuredMessage v_securedMessage;
var template (value) SituationContainer v_situation := m_situation(CauseCodeType_vehicleBreakdown_, VehicleBreakdownSubCauseCode_unavailable_);
// Build signed SecuredMessage
v_gnNonSecuredPacket := valueof(
m_geoNwBroadcastPacket(
v_longPosVectorNodeB,
vc_localSeqNumber,
f_getGeoBroadcastArea(
c_area1 // Select area1 (see ETSI TS 102 871-2 Clause 4.2 Configuration 1)
)));
// Add the DENM payload
v_gnNonSecuredPacket.payload := valueof(
f_adaptPayload_m(
bit2oct(
encvalue(
m_denmReq(
m_denmPdu(
m_denm(
m_denmMgmtCon(
m_tsActionId
),
v_situation,
m_denmLocation_zeroDelta
)))))));
// Encode it
v_gnPayload := bit2oct(
encvalue(
v_gnNonSecuredPacket
)
);
f_buildGnSecuredDenm_Bo(
v_securedMessage,
p_protocolVersion,
p_trailerStatus,
m_payload_signed(v_gnPayload),
p_signerInfoType,
valueof(m_threeDLocation(
v_longPosVectorNodeB.latitude,
v_longPosVectorNodeB.longitude,
'0000'O
)),
p_headerFields,
p_configId,
p_addMissingHeaders
);
// Return secured Gn packet
return valueof(m_geoNwSecPdu(v_gnNonSecuredPacket, v_securedMessage));
} // End of function f_prepareSecuredDenm_Bo
/**
* @desc Sends a secured DENM
* @param p_configId The configuration identifier to be used
* @param p_headerFields Additional HeaderFields
* @param p_signerInfoType Add digest or AT certificate or certificate chain
* @return GeoNetworking payload
*/
function f_sendSecuredDenm(
in charstring p_configId,
in template (omit) HeaderFields p_headerFields := omit,
in SignerInfoType p_signerInfoType := e_certificate_digest_with_sha256
) runs on ItsGeoNetworking return GeoNetworkingPdu {
// Local variables
var GeoNetworkingPdu v_securedGnPdu := f_prepareSecuredDenm(p_configId, p_headerFields, p_signerInfoType);
f_sendGeoNetMessage(m_geoNwReq_linkLayerBroadcast(v_securedGnPdu));
return v_securedGnPdu;
} // End of function f_sendSecuredDenm
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/**
* @desc Sends a secured DENM including wrong elements of protocols. It is used for BO test cases
* @param p_configId The configuration identifier to be used
* @param p_protocolVersion The protocol version to be set. Default: 2
* @param p_trailerStatus The Traile behaviour:
* <li>0 for no trailer</li>
* <li>1 for invalid trailer</li>
* <li>2 for duplicated trailer</li>
* @param p_headerFields Additional HeaderFields
* @param p_signerInfoType Add digest or AT certificate or certificate chain
* @return GeoNetworking payload
*/
function f_sendSecuredDenm_Bo(
in charstring p_configId,
in integer p_protocolVersion := c_protocol_version,
in integer p_trailerStatus := 1,
in template (omit) HeaderFields p_headerFields := omit,
in SignerInfoType p_signerInfoType := e_certificate_digest_with_sha256
) runs on ItsGeoNetworking return GeoNetworkingPdu {
// Local variables
var GeoNetworkingPdu v_securedGnPdu := f_prepareSecuredDenm_Bo(p_configId, p_protocolVersion, p_trailerStatus, p_headerFields, p_signerInfoType);
f_sendGeoNetMessage(m_geoNwReq_linkLayerBroadcast(v_securedGnPdu));
return v_securedGnPdu;
} // End of function f_sendSecuredDenm_Bo
} // End of group secDenm
group camTrigger {
/**
* @desc Triggers a CAM change speed events to get a CAM frequency greather than 1 Hz (i.e. more than one CAM per seconds)
* @return Reference to the component used to send the trigger
* @remark This function spawns an ItsCam component in alive mode
* @see fb_changeCamFrequencyGreatherThan1Hz()
*/
function f_setCamFrequencyGreatherThan1Hz() runs on ItsBaseComponent return ItsCam {
var ItsCam v_camComponent;
v_camComponent := ItsCam.create("CAM Trigger");
v_camComponent.start(fb_setCamFrequencyGreatherThan1Hz());
return v_camComponent;
} // End of function f_setCamFrequencyGreatherThan1Hz
/**
* @desc Terminate CAM component execution
* @param Reference to the component used to send the trigger
*/
function f_terminateCam(inout ItsCam p_camComponent) runs on ItsBaseComponent {
p_camComponent.done;
p_camComponent.kill;
} // End of function f_terminateCam
/**
* @desc Behaviour function for triggering a CAM change speed event on IUT
*/
function fb_setCamFrequencyGreatherThan1Hz() runs on ItsCam {
// Local variables
var SpeedValue v_speedValues[5] := { 1000, 2000, 3000, 4000, 5000 } //cm/s
var integer v_cntSpeed;
var float v_timer := 0.2; // 1 / 5;
map(self:utPort, system:camUtPort);
vc_default := activate(LibItsCam_Functions.a_utDefault());
for (v_cntSpeed := 0; v_cntSpeed < lengthof(v_speedValues); v_cntSpeed:=v_cntSpeed + 1) {
LibItsCam_Functions.f_utTriggerEvent(valueof(m_changeSpeed(v_speedValues[v_cntSpeed])));
f_sleep(v_timer);
} // End of 'for' statement
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unmap(self:utPort, system:camUtPort);
} // End of function fb_setCamFrequencyGreatherThan1Hz
} // End of group camTrigger
group denmTrigger {
/**
* @desc Triggers a DENM event on IUT
* @remark This function spawns an ItsDenm component in alive mode
* @see fb_secTriggerDenmEvent()
* @return Reference to the component used to send the trigger
*/
function f_triggerDenmEvent() runs on ItsBaseComponent return ItsDenm {
var ItsDenm v_denmComponent;
v_denmComponent := ItsDenm.create("DENM Trigger") alive;
v_denmComponent.start(fb_secTriggerDenmEvent());
v_denmComponent.done;
return v_denmComponent;
} // End of function f_triggerDenmEvent
/**
* @desc Cancels all previously triggered DENM events on IUT
* @param p_denmComponent Reference of the component previously used to trigger DENM events
* @see fb_secCancelDenmEvent()
*/
function f_cancelDenmEvent(ItsDenm p_denmComponent) runs on ItsBaseComponent {
p_denmComponent.start(fb_secCancelDenmEvent());
p_denmComponent.done;
p_denmComponent.kill;
} // End of function f_cancelDenmEvent
/**
* @desc Behaviour function for triggering a DENM event on IUT
*/
function fb_secTriggerDenmEvent() runs on ItsDenm {
// Local variables
var template (value) SituationContainer v_situation := m_situation(CauseCodeType_vehicleBreakdown_, VehicleBreakdownSubCauseCode_unavailable_);
map(self:utPort, system:denmUtPort);
f_connect4SelfOrClientSync();
vc_default := activate(LibItsDenm_Functions.a_utDefault());
vc_utActionIDs[0] := LibItsDenm_Functions.f_utTriggerEvent(m_utTriggerEvent(v_situation, defaultValidity));
log("actionId=", vc_utActionIDs[0]);
} // End of function f_secTriggerDenmEvent
/**
* @desc Behaviour function for cancelling previously triggered DENM events on IUT
*/
function fb_secCancelDenmEvent() runs on ItsDenm {
// Local variables
var integer v_counter;
for (v_counter := 0; v_counter < lengthof(vc_utActionIDs); v_counter := v_counter + 1) {
LibItsDenm_Functions.f_utTerminateEvent(m_utEventCancellation(vc_utActionIDs[v_counter]));
} // End of 'for' statement
unmap(self:utPort, system:denmUtPort);
f_disconnect4SelfOrClientSync();