Add support of disk/memory cache for certificates/private keys (5eebede3) · Commits · TTCN-3 Libraries / LibIts

ttcn/Security/LibItsSecurity_Functions.ttcn3

+128 −41

Original line number	Diff line number	Diff line
		@@ -18,6 +18,7 @@ module LibItsSecurity_Functions {
		import from LibItsSecurity_TypesAndValues all;
		import from LibItsSecurity_Templates all;
		import from LibItsSecurity_Pixits all;
		import from LibItsSecurity_TestSystem all;

		group helpersFunctions {

		@@ -37,10 +38,12 @@ module LibItsSecurity_Functions {
		* @param p_toBeSignedSecuredMessage The data to be signed
		* @return The signature value
		*/
		function f_signWithEcdsaNistp256WithSha256(in Oct32 p_toBeSignedSecuredMessage) return octetstring {
		function f_signWithEcdsaNistp256WithSha256(
		in Oct32 p_toBeSignedSecuredMessage
		) runs on ItsSecurityBaseComponent return octetstring {
		return fx_signWithEcdsaNistp256WithSha256(
		p_toBeSignedSecuredMessage,
		PX_TA_CONFIGS[PX_CERTIFICATE_CONFIG_IDX].signingPrivateKey
		vc_signingPrivateKey
		);

		} // End of function f_signWithEcdsaNistp256WithSha256
		@@ -122,8 +125,9 @@ module LibItsSecurity_Functions {
		/**
		* @desc Build a template of a secured beacon to be used for the Test Adapter secured beaconing processing
		*/
		function f_buildSecuredMessagePayloadToBeSigned(in boolean p_includeCertificate := false)
		return ToBeSignedSecuredMessage {
		function f_buildSecuredMessagePayloadToBeSigned(
		in boolean p_includeCertificate := false
		) runs on ItsSecurityBaseComponent return ToBeSignedSecuredMessage {
		// Local variables
		var template (value) ToBeSignedSecuredMessage v_toBeSignedSecuredMessage;

		@@ -134,12 +138,12 @@ module LibItsSecurity_Functions {
		{ // Field HeaderFields
		m_header_field_signer_info(
		m_signerInfo_certificate(
		PX_TA_CONFIGS[PX_CERTIFICATE_CONFIG_IDX].atCertificate
		vc_atCertificate
		) // End of template m_signerInfo_certificate
		), // End of template m_header_field_signer_info
		m_header_field_generation_time(oct2int('BBBBBBBB'O)), // To be replaced by TA with generation time
		m_header_field_generation_location(
		PX_TA_CONFIGS[PX_CERTIFICATE_CONFIG_IDX].location
		vc_location
		)
		}, // End of field HeaderFields
		{
		@@ -155,12 +159,12 @@ module LibItsSecurity_Functions {
		{ // Field HeaderFields
		m_header_field_signer_info(
		m_signerInfo_digest(
		PX_TA_CONFIGS[PX_CERTIFICATE_CONFIG_IDX].atCertificate.signer_infos[0].signerInfo.digest
		vc_atCertificate.signer_infos[0].signerInfo.digest
		) // End of template m_signerInfo_certificate
		), // End of template m_header_field_signer_info
		m_header_field_generation_time(oct2int('BBBBBBBB'O)), // To be replaced by TA with generation time
		m_header_field_generation_location(
		PX_TA_CONFIGS[PX_CERTIFICATE_CONFIG_IDX].location
		vc_location
		)
		}, // End of field HeaderFields
		{
		@@ -179,9 +183,9 @@ module LibItsSecurity_Functions {
		* @desc This function build and sign the SecureMessage part covered by the signature process
		* @param p_securedMessage The signed SecureMessage part
		* @param p_unsecuredPayload The unsigned payload (e.g. a beacon)
		* @param p_threeDLocation The ThreeDLocation value
		* @param p_signerInfoType Add digest or AT certificate or certificate chain
		* @param p_headerFields Additional HeaderFields
		* @param p_certificateName The certificate identifier to be used. Default: TA_CONFIG_A
		* @return true on success, false otherwise
		* @verdict Unchanged
		*/
		@@ -190,18 +194,27 @@ module LibItsSecurity_Functions {
		in octetstring p_unsecuredPayload,
		in template (omit) SignerInfoType p_signerInfoType := e_certificate_digest_with_ecdsap256,
		in template (omit) HeaderFields p_headerFields := omit,
		in UInt p_configId := PX_CERTIFICATE_CONFIG_IDX
		) return boolean {
		in template (omit) charstring p_certificateName := omit
		) runs on ItsSecurityBaseComponent return boolean {

		// Local variables
		var Certificate v_aaCertificate, v_atCertificate;
		var octetstring v_secPayload, v_signature;
		var Oct32 v_hash;
		var template (value) ToBeSignedSecuredMessage v_toBeSignedSecuredMessage;

		// Sanity check
		if (not(p_configId < lengthof(PX_TA_CONFIGS)) ) {
		if (ispresent(p_certificateName) and (p_certificateName != "TA_CONFIG_A")) {
		if (f_readCertificate(p_certificateName & ".AA_CERT", v_aaCertificate) == false) {
		return false;
		}
		if (f_readCertificate(p_certificateName & ".AT_CERT", v_atCertificate) == false) {
		return false;
		}
		} else {
		v_aaCertificate := vc_aaCertificate;
		v_atCertificate := vc_atCertificate;
		}

		// Create SecuredMessage payload to be signed
		if (p_signerInfoType == e_certificate) { // Add the AT certificate
		@@ -210,7 +223,7 @@ module LibItsSecurity_Functions {
		{ // Field HeaderFields
		m_header_field_signer_info(
		m_signerInfo_certificate(
		PX_TA_CONFIGS[p_configId].atCertificate
		v_atCertificate
		) // End of template m_signerInfo_certificate
		), // End of template m_header_field_signer_info
		m_header_field_generation_time(f_getCurrentTime()),
		@@ -231,8 +244,8 @@ module LibItsSecurity_Functions {
		m_header_field_signer_info(
		m_signerInfo_certificates(
		{
		PX_TA_CONFIGS[p_configId].aaCertificate,
		PX_TA_CONFIGS[p_configId].atCertificate
		v_aaCertificate,
		v_atCertificate
		}
		) // End of template m_signerInfo_certificate
		), // End of template m_header_field_signer_info
		@@ -253,7 +266,7 @@ module LibItsSecurity_Functions {
		{ // Field HeaderFields
		m_header_field_signer_info(
		m_signerInfo_digest(
		PX_TA_CONFIGS[p_configId].atCertificate.signer_infos[0].signerInfo.digest
		v_atCertificate.signer_infos[0].signerInfo.digest
		) // End of template m_signerInfo_digest
		), // End of template m_header_field_digest
		m_header_field_generation_time(f_getCurrentTime()),
		@@ -329,7 +342,7 @@ module LibItsSecurity_Functions {
		in ThreeDLocation p_threeDLocation,
		in template (omit) boolean p_addCertificate := false,
		in template (omit) HeaderFields p_headerFields := omit
		) return boolean {
		) runs on ItsSecurityBaseComponent return boolean {

		// Local variables
		var octetstring v_secPayload, v_signature;
		@@ -343,7 +356,7 @@ module LibItsSecurity_Functions {
		{ // Field HeaderFields
		m_header_field_signer_info(
		m_signerInfo_certificate(
		PX_TA_CONFIGS[PX_CERTIFICATE_CONFIG_IDX].atCertificate
		vc_atCertificate
		) // End of template m_signerInfo_certificate
		), // End of template m_header_field_signer_info
		m_header_field_generation_time(f_getCurrentTime()),
		@@ -365,7 +378,7 @@ module LibItsSecurity_Functions {
		{ // Field HeaderFields
		m_header_field_signer_info(
		m_signerInfo_digest(
		PX_TA_CONFIGS[PX_CERTIFICATE_CONFIG_IDX].atCertificate.signer_infos[0].signerInfo.digest
		vc_atCertificate.signer_infos[0].signerInfo.digest
		) // End of template m_signerInfo_digest
		), // End of template m_header_field_digest
		m_header_field_generation_time(f_getCurrentTime()),
		@@ -440,7 +453,7 @@ module LibItsSecurity_Functions {
		in ThreeDLocation p_threeDLocation,
		in template (omit) boolean p_addCertificate := false,
		in template (omit) HeaderFields p_headerFields := omit
		) return boolean {
		) runs on ItsSecurityBaseComponent return boolean {

		// Local variables
		var octetstring v_secPayload, v_signature;
		@@ -454,7 +467,7 @@ module LibItsSecurity_Functions {
		{ // Field HeaderFields
		m_header_field_signer_info(
		m_signerInfo_certificate(
		PX_TA_CONFIGS[PX_CERTIFICATE_CONFIG_IDX].atCertificate
		vc_atCertificate
		) // End of template m_signerInfo_certificate
		), // End of template m_header_field_signer_info
		m_header_field_generation_time(f_getCurrentTime()),
		@@ -475,7 +488,7 @@ module LibItsSecurity_Functions {
		{ // Field HeaderFields
		m_header_field_signer_info(
		m_signerInfo_digest(
		PX_TA_CONFIGS[PX_CERTIFICATE_CONFIG_IDX].atCertificate.signer_infos[0].signerInfo.digest
		vc_atCertificate.signer_infos[0].signerInfo.digest
		) // End of template m_signerInfo_digest
		), // End of template m_header_field_digest
		m_header_field_generation_time(f_getCurrentTime()),
		@@ -744,31 +757,74 @@ module LibItsSecurity_Functions {

		group certificateGetters {

		/**
		* @desc Set the gneration location ase defined in Draft ETSI TS 103 097 V1.1.6
		* @param p_latitude The latitude value
		* @param p_longitude The longitude value
		* @param p_elevation The elevation value
		* @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_latitude,
		p_longitude,
		p_elevation
		}
		} // End of function f_setGenerationLocation

		/**
		* @desc Load in memory cache the certificates available
		* @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
		*/
		function f_loadCertificates(
		in charstring p_rootDirectory
		) return boolean {
		return fx_loadCertificates(p_rootDirectory);
		in charstring p_configId
		) runs on ItsSecurityBaseComponent return boolean {
		var boolean v_result;

		// Setup certificates memory cache
		if (fx_loadCertificates(PX_ROOT_PATH_FOR_SECURITY, p_configId) == true) {
		// Setup security component variables
		f_readCertificate("TA_CONFIG_A.AA_CERT", vc_aaCertificate);
		f_readCertificate("TA_CONFIG_A.AT_CERT", vc_atCertificate);
		f_readPrivateKeys("TA_CONFIG_A.PRIVATE_KEYS", vc_signingPrivateKey, vc_encryptPrivateKey);

		return true;
		}

		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_hashedId8 the certificate ID to read
		* @param p_certificate the exoected certificate
		* @param p_certificateId the certificate identifier
		* @param p_certificate the expected certificate
		* @return true on success, false otherwise
		*/
		function f_readCertificate(
		in HashedId8 p_hashedId8,
		in charstring p_certificateId,
		out Certificate p_certificate
		) return boolean {
		) runs on ItsSecurityBaseComponent return boolean {
		var octetstring v_certificate;

		if (fx_readCertificate(p_hashedId8, v_certificate) == true) {
		if (fx_readCertificate(p_certificateId, v_certificate) == true) {
		var integer v_result := decvalue(oct2bit(v_certificate), p_certificate);
		if (v_result == 0) {
		return true;
		@@ -776,7 +832,22 @@ module LibItsSecurity_Functions {
		}

		return false;
		}
		} // End of function f_readCertificate

		/**
		* @desc Read the private keys for the specified certificate
		* @param p_keysId the keys identifier
		* @param p_signingPrivateKey the signing private key
		* @param p_encryptPrivateKey the encrypt private key
		* @return true on success, false otherwise
		*/
		function f_readPrivateKeys(
		in charstring p_keysId,
		out Oct32 p_signingPrivateKey,
		out Oct32 p_encryptPrivateKey
		) runs on ItsSecurityBaseComponent return boolean {
		return fx_readPrivateKeys(p_keysId, p_signingPrivateKey, p_encryptPrivateKey);
		} // End of function f_readPrivateKeys

		function f_getCertificateValidityRestriction(
		in template (value) Certificate p_cert,
		@@ -790,7 +861,7 @@ module LibItsSecurity_Functions {
		}
		}
		return false;
		}
		} // End of function f_getCertificateValidityRestriction

		function f_getCertificateSignerInfo (
		in template (value) Certificate p_cert,
		@@ -870,20 +941,36 @@ module LibItsSecurity_Functions {
		group certificatesLoader {

		/**
		* @desc Load in memory cache the certificates available
		* @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) return boolean;
		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_hashedId8 the certificate ID to read
		* @param p_certificate the exoected 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 private keys for the specified certificate
		* @param p_keysId the keys identifier
		* @param p_signingPrivateKey the signing private key
		* @param p_encryptPrivateKey the encrypt private key
		* @return true on success, false otherwise
		*/
		external function fx_readCertificate(in HashedId8 p_hashedId8, out octetstring p_certificate) return boolean;
		external function fx_readPrivateKeys(in charstring p_keysId, out Oct32 p_signingPrivateKey, out Oct32 p_encryptPrivateKey) return boolean;

		} // End of group certificatesLoader

ttcn/Security/LibItsSecurity_Pixits.ttcn3

+2 −547

File changed.

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ttcn/Security/LibItsSecurity_TestSystem.ttcn3

+28 −0

Original line number	Diff line number	Diff line
		@@ -6,4 +6,32 @@
		*
		*/
		module LibItsSecurity_TestSystem {

		// LibCommon
		import from LibCommon_DataStrings all;

		// LibItsSecurity
		import from LibItsSecurity_TypesAndValues all;

		group componentDefinitions {

		/**
		* @desc ITS Security Component
		*/
		type component ItsSecurityBaseComponent {

		// Certificates
		var Certificate vc_aaCertificate;
		var Certificate vc_atCertificate;

		// Private keys
		var Oct32 vc_signingPrivateKey;
		var Oct32 vc_encryptPrivateKey;

		var ThreeDLocation vc_location;

		} // End of ItsSecurityBaseComponent

		} // End of group componentDefinitions

		} // End of module LibItsSecurity_TestSystem
		No newline at end of file

ttcn/Security/LibItsSecurity_Templates.ttcn3

+1 −1

File changed.

Contains only whitespace changes.

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