Newer
Older
} // End of function f_verifyGnSecuredOtherMessageWithDeviceCertificate
} // End of group deviceSignatureHelpers
garciay
committed
* @desc return SecuredMessage header field of given type or null if none
* @param p_msg the SecuredMessage
* @param p_type header field type
* @return HeaderField of given type if any or null
*/
in SecuredMessage p_securedMessage,
in HeaderFieldType p_headerFieldType,
out HeaderField p_return
) return boolean {
var integer v_length := lengthof(p_securedMessage.header_fields);
for (var integer i := 0; i < v_length; i := i + 1) {
if (p_securedMessage.header_fields[i].type_ == p_headerFieldType) {
p_return := p_securedMessage.header_fields[i];
log("f_getMsgHeaderField: return false");
}
/**
* @desc return SignerInfo SecuredMessage field
*/
function f_getMsgSignerInfo (
in SecuredMessage p_securedMessage,
out SignerInfo p_signerInfo
) return boolean {
var HeaderField v_hf;
if (f_getMsgHeaderField(p_securedMessage, e_signer_info, v_hf) == true) {
if (isbound(v_hf.headerField.signer)) {
p_signerInfo := v_hf.headerField.signer;
return true;
}
log("f_getMsgSignerInfo: return false");
}// End of group messageGetters
group certificateGetters {
* @desc Set the generation location as defined in Draft ETSI TS 103 097 V1.1.14 Clause 7.2 Security profile for DENMs
* @param p_latitude The latitude value of the ITS-S position
* @param p_longitude The longitude value of the ITS-S position
* @param p_elevation The elevation value of the ITS-S position
* @verdict Unchanged
*/
function f_setGenerationLocation(
in WGSLatitude p_latitude,
in WGSLongitude p_longitude,
in Oct2 p_elevation := '0000'O
) runs on ItsSecurityBaseComponent {
vc_location := {
p_elevation
}
} // End of function f_setGenerationLocation
* @desc Load in memory cache the certificates available
* @param p_configId A configuration identifier
* @remark This method SHALL be call before any usage of certificates
* @return true on success, false otherwise
*/
) runs on ItsSecurityBaseComponent return boolean {
var boolean v_result;
// Setup certificates memory cache
if (fx_loadCertificates(PX_CERTIFICATE_POOL_PATH, p_configId) == true) {
// Setup security component variables
if(f_readCertificate(cc_taCert_A, vc_atCertificate)) {
if(f_readCertificate(oct2str(vc_atCertificate.signer_info.signerInfo.digest), vc_aaCertificate)) {
if(f_readSigningKey(cc_taCert_A, vc_signingPrivateKey)) {
f_readEncryptingKey(cc_taCert_A, vc_encryptPrivateKey);
return true;
}
log("f_loadCertificates: Failed to load signing key for ", cc_taCert_A);
}else{
log("f_loadCertificates: Failed to load AA certificate for ", cc_taCert_A);
}
}else{
log("f_loadCertificates: Failed to load AA certificate for ", cc_taCert_A);
}
}else{
log("f_loadCertificates: Failed to load certificates from ", PX_CERTIFICATE_POOL_PATH);
}
return false;
} // End of function f_loadCertificates
/**
* @desc Unload from memory cache the certificates available
* @return true on success, false otherwise
*/
function f_unloadCertificates() runs on ItsSecurityBaseComponent return boolean {
// Reset security component variables
vc_signingPrivateKey := '0000000000000000000000000000000000000000000000000000000000000000'O;
vc_encryptPrivateKey := '0000000000000000000000000000000000000000000000000000000000000000'O;
// Clear certificates memory cache
return fx_unloadCertificates();
} // End of function f_unloadCertificates
* @desc Read the specified certificate
* @param p_certificateId the certificate identifier
* @param p_certificate the expected certificate
* @return true on success, false otherwise
*/
in charstring p_certificateId,
out Certificate p_certificate
) runs on ItsSecurityBaseComponent return boolean {
var octetstring v_certificate;
if (fx_readCertificate(p_certificateId, v_certificate) == true) {
var bitstring v_oct2bit;
var integer v_result;
v_oct2bit := oct2bit(v_certificate);
v_result := decvalue(v_oct2bit, p_certificate);
if (v_result == 0) {
return true;
}
}
log("f_readCertificate: Failed to retrieve ", p_certificateId);
} // End of function f_readCertificate
/**
* @desc Read the specified certificate
* @param p_certificateId the certificate identifier
* @param p_certificate the expected certificate
* @return true on success, false otherwise
*/
function f_getCertificateDigest(
in charstring p_certificateId,
out HashedId8 p_digest
) runs on ItsSecurityBaseComponent return boolean {
if( not fx_readCertificateDigest(p_certificateId, p_digest)){
log("f_getCertificateDigest: Failed to retrieve digest for ", p_certificateId);
return false;
}
return true;
} // End of function f_getCertificateDigest
* @desc Read the signing private key for the specified certificate
* @param p_keysId the keys identifier
* @param p_signingPrivateKey the signing private key
* @return true on success, false otherwise
*/
function f_readSigningKey(
in charstring p_keysId,
out Oct32 p_signingPrivateKey
) runs on ItsSecurityBaseComponent return boolean {
return fx_readSigningKey(p_keysId, p_signingPrivateKey);
} // End of function f_readSigningKey
/**
* @desc Read the encrypting private keys for the specified certificate
* @param p_keysId the keys identifier
* @param p_encryptPrivateKey the encrypt private key
* @return true on success, false otherwise
*/
function f_readEncryptingKey(
in charstring p_keysId,
out Oct32 p_encryptPrivateKey
) runs on ItsSecurityBaseComponent return boolean {
return fx_readEncryptingKey(p_keysId, p_encryptPrivateKey);
} // End of function f_readEncryptingKey
function f_getCertificateValidityRestriction(
in template (value) Certificate p_cert,
in ValidityRestrictionType p_type,
out ValidityRestriction p_return
) return boolean {
for (var integer i := 0; i < lengthof(p_cert.validity_restrictions); i := i + 1) {
if (valueof(p_cert).validity_restrictions[i].type_ == p_type) {
p_return := valueof(p_cert).validity_restrictions[i];
return true;
log("f_getCertificateValidityRestriction: Failed to retrieve ", p_type);
} // End of function f_getCertificateValidityRestriction
function f_getCertificateSignerInfo(
in template (value) Certificate p_cert,
out SignerInfo p_si
) return boolean {
if (isbound(valueof(p_cert.signer_info))) {
p_si := valueof(p_cert.signer_info);
return true;
}
log("f_getCertificateSignerInfo: Failed to retrieve ");
function f_getCertificateSubjectAttribute(
in template (value) Certificate p_cert,
in SubjectAttributeType p_type,
out SubjectAttribute p_return
) return boolean {
for (var integer i := 0; i < lengthof(p_cert.subject_attributes); i := i + 1) {
if (valueof(p_cert).subject_attributes[i].type_ == p_type) {
p_return := valueof(p_cert).subject_attributes[i];
return true;
}
}
log("f_getCertificateSubjectAttribute: Failed to retrieve ", p_type);
} // End of group helpersFunctions
* @desc Produces a 256-bit (32-byte) hash value
* @param p_toBeHashedData Data to be used to calculate the hash value
* @return The hash value
*/
external function fx_hashWithSha256(in octetstring p_toBeHashedData) return Oct32;
/**
* @desc Produces a Elliptic Curve Digital Signature Algorithm (ECDSA) signaturee
* @param p_toBeSignedSecuredMessage The data to be signed
* @param p_privateKey The private key
* @return The signature value
*/
external function fx_signWithEcdsaNistp256WithSha256(in octetstring p_toBeSignedSecuredMessage, in octetstring/*UInt64*/ p_privateKey) return octetstring;
/**
* @desc Verify the signature of the specified data
* @param p_toBeVerifiedData The data to be verified
* @param p_signature The signature
* @param p_ecdsaNistp256PublicKeyX The public key (x coordinate)
* @param p_ecdsaNistp256PublicKeyY The public key (y coordinate)
* @return true on success, false otherwise
*/
external function fx_verifyWithEcdsaNistp256WithSha256(in octetstring p_toBeVerifiedData, in octetstring p_signature, in octetstring p_ecdsaNistp256PublicKeyX, in octetstring p_ecdsaNistp256PublicKeyY) return boolean;
/**
* @desc Produce a new public/private key pair based on Elliptic Curve Digital Signature Algorithm (ECDSA) algorithm.
* This function should not be used by the ATS
* @param p_privateKey The new private key value
* @param p_publicKeyX The new public key value (x coordinate)
* @param p_publicKeyX The new public key value (y coordinate)
* @return true on success, false otherwise
*/
external function fx_generateKeyPair(out octetstring/*UInt64*/ p_privateKey, out octetstring p_publicKeyX, out octetstring p_publicKeyY) return boolean;
} // End of group signing
group encryption {
} // End of group encryption
group certificatesLoader {
/**
* @desc Load in memory cache the certificates available in the specified directory
* @param p_rootDirectory Root directory to access to the certificates identified by the certificate ID
* @param p_configId A configuration identifier
* @remark This method SHALL be call before any usage of certificates
* @return true on success, false otherwise
*/
external function fx_loadCertificates(in charstring p_rootDirectory, in charstring p_configId) return boolean;
/**
* @desc Unload from memory cache the certificates
* @return true on success, false otherwise
*/
external function fx_unloadCertificates() return boolean;
* @desc Read the specified certificate
* @param p_certificateId the certificate identifier
* @param p_certificate the expected certificate
* @return true on success, false otherwise
*/
external function fx_readCertificate(in charstring p_certificateId, out octetstring p_certificate) return boolean;
/**
* @desc Read the specified certificate digest
* @param p_certificateId the certificate identifier
* @param p_digest the expected certificate
* @return true on success, false otherwise
*/
external function fx_readCertificateDigest(in charstring p_certificateId, out HashedId8 p_digest) return boolean;
* @desc Read the private keys for the specified certificate
* @param p_keysId the keys identifier
* @param p_signingPrivateKey the signing private key
* @return true on success, false otherwise
*/
external function fx_readSigningKey(in charstring p_keysId, out Oct32 p_signingPrivateKey) return boolean;
/**
* @desc Read the private keys for the specified certificate
* @param p_keysId the keys identifier
* @param p_encryptPrivateKey the encrypt private key
* @return true on success, false otherwise
*/
external function fx_readEncryptingKey(in charstring p_keysId, out Oct32 p_encryptingPrivateKey) return boolean;
} // End of group certificatesLoader
* @desc Check that given polygon doesn't have neither self-intersections nor holes.
* @param p_region Polygonal Region
* @return true on success, false otherwise
* @verdict Unchanged
*/
external function fx_isValidPolygonalRegion(in PolygonalRegion p_region) return boolean;
* @desc Check if a polygonal regin is inside another one
* @param p_parent The main polygonal region
* @param p_region The polygonal region to be included
* @return true on success, false otherwise
* @verdict Unchanged
*/
external function fx_isPolygonalRegionInside(in PolygonalRegion p_parent, in PolygonalRegion p_region) return boolean;
* @desc Check that the location is inside a circular region
* @param p_region The circular region to consider
* @param p_location The device location
* @return true on success, false otherwise
* @verdict Unchanged
*/
external function fx_isLocationInsideCircularRegion(in CircularRegion p_region, in ThreeDLocation p_location) return boolean;
* @desc Check that the location is inside a rectangular region
* @param p_region The rectangular region to consider
* @param p_location The device location
* @return true on success, false otherwise
* @verdict Unchanged
*/
external function fx_isLocationInsideRectangularRegion(in RectangularRegions p_region, in ThreeDLocation p_location) return boolean;
* @desc Check that the location is inside a polygonal region
* @param p_region The polygonal region to consider
* @param p_location The device location
* @return true on success, false otherwise
* @verdict Unchanged
*/
external function fx_isLocationInsidePolygonalRegion(in PolygonalRegion p_region, in ThreeDLocation p_location) return boolean;
* @desc Check if the location is inside an identified region
* @param p_region The identified region to consider
* @param p_location The device location
* @return true on success, false otherwise
* @verdict Unchanged
*/
external function fx_isLocationInsideIdentifiedRegion(in IdentifiedRegion p_region, in ThreeDLocation p_location) return boolean;
* @desc Convert a spacial coordinate from DMS to Dms
* @param p_degrees The degrees (D)
* @param p_minutes The minutes (M)
* @param p_seconds The seconds (S)
* @param p_latlon The latitude/longitude: (N|S|E|W)
* @return The decimal coordinate on success, 0.0, otherwise
* @verdict Unchanged
*/
external function fx_dms2dd(in Int p_degrees, in Int p_minutes, in float p_seconds, in Oct1 p_latlon) return float;
} // End of group externalFunctions
* @desc Check that given location is valid
* @param p_location location to be checked
* @return true on success, false otherwise
*/
(valueof(p_location).longitude != c_maxLongitude + 1) and
(valueof(p_location).latitude != c_maxLatitude + 1);
} // End of function f_isValidTwoDLocation
* @desc Check that two given rectanlular regions are intersected
* Note: Regions must be normalized(northwest.latitude >= southeast.latitude)
* TODO: Add case when
* @param p_r1 Region 1
* @param p_r2 Region 2
*
* @return true on success, false otherwise
*/
function f_isRectangularRegionsIntersected(
in template (value) RectangularRegion p_r1,
in template (value) RectangularRegion p_r2
return not (
valueof(p_r2).northwest.longitude > valueof(p_r1).southeast.longitude or
valueof(p_r2).southeast.longitude < valueof(p_r1).northwest.longitude or
valueof(p_r2).southeast.latitude > valueof(p_r1).northwest.latitude or
valueof(p_r2).northwest.latitude < valueof(p_r1).southeast.latitude
);
} // End of function f_isRectangularRegionsIntersected
function f_isContinuousRectangularRegions(
in template (value) RectangularRegions regions
} // End of function f_isRectangularRegionsIntersected
/**
* @desc Check if a polygonal regin is inside another one
* @param p_parent The main polygonal region
* @param p_region The polygonal region to be included
* @return true on success, false otherwise
* @verdict Unchanged
*/
function f_isRectangularRegionsInside(
in template (value) RectangularRegions p_parent,
in template (value) RectangularRegions p_region
// TODO: convert rectangular regions to polygons and check polygons
} // End of function f_isRectangularRegionsInside
* @desc Check that given polygon doesn't have neither self-intersections nor holes.
* @param p_region Polygonal Region
* @return true on success, false otherwise
* @verdict Unchanged
*/
in template (value) PolygonalRegion p_region
// Sanity check
if (not isbound(p_region) or (lengthof(p_region) == 0)) {
return false;
}
return fx_isValidPolygonalRegion(valueof(p_region));
} // End of function f_isValidPolygonalRegion
* @desc Check if a polygonal regin is inside another one
* @param p_parent The main polygonal region
* @param p_region The polygonal region to be included
* @return true on success, false otherwise
* @verdict Unchanged
*/
function f_isPolygonalRegionInside(
in template (value) PolygonalRegion p_parent,
in template (value) PolygonalRegion p_region
// Sanity check
if (not isbound(p_parent) or not isbound(p_region) or (lengthof(p_parent) == 0) or (lengthof(p_region) == 0)) {
return false;
}
return fx_isPolygonalRegionInside(valueof(p_parent), valueof(p_region));
} // End of function f_isPolygonalRegionInside
function f_isIdentifiedRegionInside(
in template (value) UInt16 p_parent,
in template (value) UInt16 p_region
} // End of function f_isIdentifiedRegionInside
* @desc Check that the location is inside a region
* @param p_region The region to consider
* @param p_location The device location
* @return true on success, false otherwise
* @verdict Unchanged
*/
function f_isLocationInsideRegion(
in template (value) GeographicRegion p_region,
in template (value) ThreeDLocation p_location
) return boolean {
var boolean v_ret := false;
select (p_region.region_type) {
case (e_none) {
v_ret := true;
}
case (e_circle) {
v_ret := f_isLocationInsideCircularRegion(p_region.region.circular_region, p_location);
case (e_rectangle) {
v_ret := f_isLocationInsideRectangularRegion(p_region.region.rectangular_region, p_location);
case (e_polygon) {
v_ret := f_isLocationInsidePolygonalRegion(p_region.region.polygonal_region, p_location);
case (e_id) {
v_ret := f_isLocationInsideIdentifiedRegion(p_region.region.id_region, p_location);
case else {
v_ret := f_isLocationInsideOtherRegion(p_region.region.other_region, p_location);
} // End of function f_isLocationInsideRegion
/**
* @desc Check that the location is inside a circular region
* @param p_region The circular region to consider
* @param p_location The device location
* @return true on success, false otherwise
* @verdict Unchanged
*/
function f_isLocationInsideCircularRegion(
in template (value) CircularRegion p_region,
in template (value) ThreeDLocation p_location
// Sanity check
if (not isbound(p_region) or not isbound(p_location)) {
return false;
}
return fx_isLocationInsideCircularRegion(valueof(p_region), valueof(p_location));
} // End of function f_isLocationInsideCircularRegion
/**
* @desc Check that the location is inside a rectangular region
* @param p_region The rectangular region to consider
* @param p_location The device location
* @return true on success, false otherwise
* @verdict Unchanged
*/
function f_isLocationInsideRectangularRegion(
in template (value) RectangularRegions p_region,
in template (value) ThreeDLocation p_location
// Sanity check
if (not isbound(p_region) or not isbound(p_location) or (lengthof(p_region) == 0)) {
return false;
}
// log("f_isLocationInsideRectangularRegion: p_polygonalArea: ", p_region);
// log("f_isLocationInsideRectangularRegion: p_location: ", p_location);
return fx_isLocationInsideRectangularRegion(valueof(p_region), valueof(p_location));
} // End of function f_isLocationInsideRectangularRegion
/**
* @desc Check that the location is inside a polygonal region
* @param p_region The polygonal region to consider
* @param p_location The device location
* @return true on success, false otherwise
* @verdict Unchanged
*/
function f_isLocationInsidePolygonalRegion(
in template (value) PolygonalRegion p_region,
in template (value) ThreeDLocation p_location
// Sanity check
if (not isbound(p_region) or not isbound(p_location) or (lengthof(p_region) == 0)) {
return false;
}
// log("f_isLocationInsidePolygonalRegion: p_polygonalArea: ", p_region, " - ", valueof(p_region));
// log("f_isLocationInsidePolygonalRegion: p_location: ", p_location, " - ", valueof(p_location));
return fx_isLocationInsidePolygonalRegion(valueof(p_region), valueof(p_location));
} // End of function f_isLocationInsidePolygonalRegion
/**
* @desc Check if the location is inside an identified region
* @param p_region The identified region to consider
* @param p_location The device location
* @return true on success, false otherwise
* @verdict Unchanged
*/
function f_isLocationInsideIdentifiedRegion(
in template (value) IdentifiedRegion p_region,
in template (value) ThreeDLocation p_location
// Sanity check
if (not isbound(p_region) or not isbound(p_location)) {
return false;
}
return fx_isLocationInsideIdentifiedRegion(valueof(p_region), valueof(p_location));
} // End of function f_isLocationInsideIdentifiedRegion
/**
* @desc Check if the location is inside an undefined region
* @param p_region The identified region to consider
* @param p_location The device location
* @return true on success, false otherwise
* @verdict Unchanged
*/
function f_isLocationInsideOtherRegion(
in template (value) octetstring p_region,
in template (value) ThreeDLocation p_location
} // End of function f_isLocationInsideOtherRegion
* @desc Convert a spacial coordinate from DMS to Dms
* @param p_degrees The degrees (D)
* @param p_minutes The minutes (M)
* @param p_seconds The seconds (S)
* @param p_latlon The latitude/longitude: (N|S|E|W)
* @return The decimal coordinate on success, 0.0, otherwise
* @verdict Unchanged
*/
in integer p_degrees,
in integer p_minutes,
in float p_seconds,
in charstring p_latlon
// Sanity checks
if (lengthof(p_latlon) != 1) {
return 0.0;
} else if ((p_latlon != "N") and (p_latlon != "S") and (p_latlon != "E") and (p_latlon != "W")) {
return 0.0;
}
return fx_dms2dd(p_degrees, p_minutes, p_seconds, v_latlon);
} // End of function f_dms2dd
/**
* @desc Convert the latitude from float to int
* @param p_latitude The latitude to be converted. Significand length shall be 7 digits length
* @return The converted latitude
* @verdict Unchanged
*/
function f_ddlat2int(
in float p_latitude
) return WGSLatitude {
return float2int(p_latitude * 10000000.0); // Significand length shall be 7 digits length
}
/**
* @desc Convert the longitude from float to int
* @param p_longitude The longitude to be converted. Significand length shall be 6 digits length
* @return The converted longitude
* @verdict Unchanged
*/
function f_ddlon2int(
in float p_longitude
) return WGSLongitude {
return float2int(p_longitude * 1000000.0); // Significand length shall be 6 digits length
}
} // End of module LibItsSecurity_Functions