f_verifyCertificateSignatureWithPublicKey (d6bdf59d) · Commits · TTCN-3 Libraries / LibIts

ttcn/Security/LibItsSecurity_Functions.ttcn3

+43 −12

Original line number	Diff line number	Diff line
		@@ -382,29 +382,45 @@ module LibItsSecurity_Functions {
		group deviceSignatureHelpers {

		/**
		* @desc Verify the signature of the provided secured message
		* @param p_aaCertifcate Certificate Authority certificate
		* @param p_atCertificate Authorization Ticket certificate
		* @desc Verify the signature of the provided certificate
		* @param p_cert Certificate to be verified
		* @param p_key Public key to verify
		* @return true on success, false otherwise
		* @verdict
		*/
		function f_verifyCertificateSignature(
		in template (value) Certificate p_aaCertifcate,
		in template (value) Certificate p_atCertificate
		function f_verifyCertificateSignatureWithPublicKey(
		in template (value) Certificate p_cert,
		in template (value) PublicKey key
		) return boolean {
		// TODO To be implemented
		return false;
		}

		/**
		* @desc Verify the signature of the provided secured message
		* @param p_cert Certificate to be verified
		* @param p_verify Certificate to be used to verify
		* @return true on success, false otherwise
		* @verdict
		*/
		function f_verifyCertificateSignatureWithIssuingCertificate(
		in template (value) Certificate p_cert,
		in template (value) Certificate p_verify
		) return boolean {
		return f_verifyCertificateSignatureWithPublicKey(p_cert,
		p_verify.subject_attributes[0].attribute.key);
		}

		/**
		* @desc Verify the signature of the provided secured message
		* @param p_securedMessage
		* @param p_certificate Certificate to be used to verify the message
		* @return true on success, false otherwise
		* @verdict
		*/
		function f_verifyGnSecuredOtherMessageWithDeviceCertificate(
		function f_verifyGnSecuredMessageWithPublicKey(
		in template (value) SecuredMessage p_securedMessage,
		in template (value) Certificate p_certificate
		in template (value) PublicKey p_key
		) return boolean {

		// Local variables
		@@ -440,13 +456,28 @@ module LibItsSecurity_Functions {
		v_result := f_verifyWithEcdsaNistp256WithSha256(
		v_hash,
		v_signedData,
		p_certificate.subject_attributes[0].attribute.key.public_key.eccPoint.x,
		p_certificate.subject_attributes[0].attribute.key.public_key.eccPoint.y.y
		p_key.public_key.eccPoint.x,
		p_key.public_key.eccPoint.y.y
		);
		}
		} // End of 'for' statement

		return v_result;
		} // End of function f_verifyGnSecuredOtherMessageWithPublicKey

		/**
		* @desc Verify the signature of the provided secured message
		* @param p_securedMessage
		* @param p_certificate Certificate to be used to verify the message
		* @return true on success, false otherwise
		* @verdict
		*/
		function f_verifyGnSecuredMessageWithDeviceCertificate(
		in template (value) SecuredMessage p_securedMessage,
		in template (value) Certificate p_certificate
		) return boolean {
		return f_verifyGnSecuredMessageWithPublicKey(p_securedMessage,
		p_certificate.subject_attributes[0].attribute.key);
		} // End of function f_verifyGnSecuredOtherMessageWithDeviceCertificate

		} // End of group deviceSignatureHelpers
		@@ -526,7 +557,7 @@ module LibItsSecurity_Functions {

		group CertRequests{

		function f_askForCertificateChain (in HashedId3s p_digests) {
		function f_askForCertificate (in HashedId3 p_digest) {

		}