private void badAlgorithmTest(AsymmetricKeyParameter privateKey, X509Certificate cert, IX509Store certs) { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.Sha1, "1.2"); tsTokenGen.SetCertificates(certs); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); TimeStampRequest request = reqGen.Generate(new DerObjectIdentifier("1.2.3.4.5"), new byte[21]); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(23), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; if (tsToken != null) { Assert.Fail("badAlgorithm - token not null."); } PkiFailureInfo failInfo = tsResp.GetFailInfo(); if (failInfo == null) { Assert.Fail("badAlgorithm - failInfo set to null."); } if (failInfo.IntValue != PkiFailureInfo.BadAlg) { Assert.Fail("badAlgorithm - wrong failure info returned."); } }
public TimeStampResponse GetTimeStampResponse(string digestAlgorithmOid, byte[] digest) { TimeStampRequestGenerator tsqGenerator = new TimeStampRequestGenerator(); tsqGenerator.SetCertReq(true); // tsqGenerator.setReqPolicy("1.3.6.1.4.1.601.10.3.1"); BigInteger nonce = BigInteger.ValueOf(DateTime.Now.Ticks + Environment.TickCount); TimeStampRequest request = tsqGenerator.Generate(digestAlgorithmOid, digest, nonce); TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator(keyPair.Private, cert, TspAlgorithms.Sha256, "1.2"); var certs = new ArrayList { cert }; var certStore = X509StoreFactory.Create("Certificate/Collection", new X509CollectionStoreParameters(certs)); tsTokenGen.SetCertificates(certStore); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); //TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20], BigInteger.ValueOf(100)); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(23), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); return(tsResp); }
private void incorrectHashTest(AsymmetricKeyParameter privateKey, X509Certificate cert, IX509Store certs) { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.Sha1, "1.2"); tsTokenGen.SetCertificates(certs); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[16]); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(23), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; Assert.IsNull(tsToken, "incorrect hash -- token not null"); PkiFailureInfo failInfo = tsResp.GetFailInfo(); if (failInfo == null) { Assert.Fail("incorrectHash - failInfo set to null."); } if (failInfo.IntValue != PkiFailureInfo.BadDataFormat) { Assert.Fail("incorrectHash - wrong failure info returned."); } }
private void basicTestWithTSA(AsymmetricKeyParameter privateKey, X509Certificate cert, IX509Store certs) { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.Sha1, "1.2"); tsTokenGen.SetCertificates(certs); tsTokenGen.SetTsa(new Asn1.X509.GeneralName(new X509Name("CN=Test"))); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20], BigInteger.ValueOf(100)); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(23), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; tsToken.Validate(cert); Asn1.Cms.AttributeTable table = tsToken.SignedAttributes; Assert.IsNotNull(table[PkcsObjectIdentifiers.IdAASigningCertificate], "no signingCertificate attribute found"); }
public void TestBadAlgorithm() { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.Sha1, "1.2"); tsTokenGen.SetCertificates(certs); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); TimeStampRequest request = reqGen.Generate("1.2.3.4.5", new byte[20]); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(23), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; if (tsToken != null) { Assert.Fail("badAlgorithm - token not null."); } PkiFailureInfo failInfo = tsResp.GetFailInfo(); if (failInfo == null) { Assert.Fail("badAlgorithm - failInfo set to null."); } if (failInfo.IntValue != PkiFailureInfo.BadAlg) { Assert.Fail("badAlgorithm - wrong failure info returned."); } }
private void tokenEncodingTest(AsymmetricKeyParameter privateKey, X509Certificate cert, IX509Store certs) { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.Sha1, "1.2.3.4.5.6"); tsTokenGen.SetCertificates(certs); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20], BigInteger.ValueOf(100)); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(23), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampResponse tsResponse = new TimeStampResponse(tsResp.GetEncoded()); if (!Arrays.AreEqual(tsResponse.GetEncoded(), tsResp.GetEncoded()) || !Arrays.AreEqual(tsResponse.TimeStampToken.GetEncoded(), tsResp.TimeStampToken.GetEncoded())) { Assert.Fail(); } }
public TimeStampResponseGenerator(TimeStampTokenGenerator tokenGenerator, IList acceptedAlgorithms, IList acceptedPolicies, IList acceptedExtensions) { this.tokenGenerator = tokenGenerator; this.acceptedAlgorithms = acceptedAlgorithms; this.acceptedPolicies = acceptedPolicies; this.acceptedExtensions = acceptedExtensions; statusStrings = new Asn1EncodableVector(); }
public void TestNoNonce() { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.MD5, "1.2.3"); tsTokenGen.SetCertificates(certs); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20]); Assert.IsFalse(request.CertReq); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(24), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; tsToken.Validate(cert); // // check validation // tsResp.Validate(request); // // check tstInfo // TimeStampTokenInfo tstInfo = tsToken.TimeStampInfo; // // check accuracy // GenTimeAccuracy accuracy = tstInfo.GenTimeAccuracy; Assert.IsNull(accuracy); Assert.AreEqual(BigInteger.ValueOf(24), tstInfo.SerialNumber); Assert.AreEqual("1.2.3", tstInfo.Policy); Assert.IsFalse(tstInfo.IsOrdered); Assert.IsNull(tstInfo.Nonce); // // test certReq // IX509Store store = tsToken.GetCertificates("Collection"); ICollection certificates = store.GetMatches(null); Assert.AreEqual(0, certificates.Count); }
public void TestAccuracyZeroCerts() { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.MD5, "1.2"); tsTokenGen.SetCertificates(certs); tsTokenGen.SetAccuracySeconds(1); tsTokenGen.SetAccuracyMillis(2); tsTokenGen.SetAccuracyMicros(3); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20], BigInteger.ValueOf(100)); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(23), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; tsToken.Validate(cert); // // check validation // tsResp.Validate(request); // // check tstInfo // TimeStampTokenInfo tstInfo = tsToken.TimeStampInfo; // // check accuracy // GenTimeAccuracy accuracy = tstInfo.GenTimeAccuracy; Assert.AreEqual(1, accuracy.Seconds); Assert.AreEqual(2, accuracy.Millis); Assert.AreEqual(3, accuracy.Micros); Assert.AreEqual(BigInteger.ValueOf(23), tstInfo.SerialNumber); Assert.AreEqual("1.2", tstInfo.Policy); // // test certReq // IX509Store store = tsToken.GetCertificates("Collection"); ICollection certificates = store.GetMatches(null); Assert.AreEqual(0, certificates.Count); }
public override void Respond(HttpListenerContext context) { if (context == null) { throw new ArgumentNullException(nameof(context)); } if (!string.Equals(context.Request.ContentType, RequestContentType, StringComparison.OrdinalIgnoreCase)) { context.Response.StatusCode = 400; return; } var bytes = ReadRequestBody(context.Request); var request = new TimeStampRequest(bytes); var tokenGenerator = new TimeStampTokenGenerator( _keyPair.Private, Certificate, _options.SignatureHashAlgorithm.Value, _options.Policy.Value); if (_options.ReturnSigningCertificate) { var certificates = X509StoreFactory.Create( "Certificate/Collection", new X509CollectionStoreParameters(new[] { Certificate })); tokenGenerator.SetCertificates(certificates); } SetAccuracy(tokenGenerator); var responseGenerator = new TimeStampResponseGenerator(tokenGenerator, TspAlgorithms.Allowed); TimeStampResponse response; if (_options.ReturnFailure) { response = responseGenerator.GenerateFailResponse( PkiStatus.Rejection, PkiFailureInfo.BadAlg, "Unsupported algorithm"); } else { response = responseGenerator.Generate(request, _nextSerialNumber, DateTime.UtcNow); } _serialNumbers.Add(_nextSerialNumber); _nextSerialNumber = _nextSerialNumber.Add(BigInteger.One); context.Response.ContentType = ResponseContentType; WriteResponseBody(context.Response, response.GetEncoded()); }
private void testNoNonse(AsymmetricKeyParameter privateKey, X509Certificate cert, IX509Store certs) { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.MD5, "1.2.3"); tsTokenGen.SetCertificates(certs); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20]); ArrayList algorithms = new ArrayList(); algorithms.Add(TspAlgorithms.Sha1); request.Validate(algorithms, new ArrayList(), new ArrayList()); Assert.False(request.CertReq); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = tsRespGen.Generate(request, new BigInteger("24"), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; tsToken.Validate(cert); tsResp.Validate(request); TimeStampTokenInfo tstInfo = tsToken.TimeStampInfo; GenTimeAccuracy accuracy = tstInfo.GenTimeAccuracy; Assert.IsNull(accuracy); Assert.IsTrue(new BigInteger("24").Equals(tstInfo.SerialNumber)); Assert.IsTrue("1.2.3" == tstInfo.Policy); Assert.False(tstInfo.IsOrdered); Assert.IsNull(tstInfo.Nonce); // // test certReq // IX509Store store = tsToken.GetCertificates(); ICollection certificates = store.GetMatches(null); Assert.IsTrue(0 == certificates.Count); }
public void TestNullPolicy() { // null in request and token generator - should fail TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.Sha1, null); tsTokenGen.SetCertificates(certs); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20]); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed, null); TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(23), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; if (tsToken != null) { Assert.Fail("badPolicy - token not null."); } PkiFailureInfo failInfo = tsResp.GetFailInfo(); if (failInfo == null) { Assert.Fail("badPolicy - failInfo set to null."); } if (failInfo.IntValue != PkiFailureInfo.UnacceptedPolicy) { Assert.Fail("badPolicy - wrong failure info returned."); } // request specifies policy, token generator doesn't - should work reqGen = new TimeStampRequestGenerator(); reqGen.SetReqPolicy("1.1"); request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20]); tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed, null); tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(24), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); tsToken = tsResp.TimeStampToken; Assert.AreEqual(tsToken.TimeStampInfo.Policy, "1.1"); // policy should be picked up off request }
private void testAccuracyWithCertsAndOrdering(AsymmetricKeyParameter privateKey, X509Certificate cert, IX509Store certs) { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.MD5, "1.2.3"); tsTokenGen.SetCertificates(certs); tsTokenGen.SetAccuracySeconds(1); tsTokenGen.SetAccuracyMillis(2); tsTokenGen.SetAccuracyMicros(3); tsTokenGen.SetOrdering(true); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); reqGen.SetCertReq(true); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20], BigInteger.ValueOf(100)); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); // // This is different to the Java API. // TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(23), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; tsResp.Validate(request); TimeStampTokenInfo tstInfo = tsToken.TimeStampInfo; GenTimeAccuracy accuracy = tstInfo.GenTimeAccuracy; Assert.IsTrue(1 == accuracy.Seconds); Assert.IsTrue(2 == accuracy.Millis); Assert.IsTrue(3 == accuracy.Micros); Assert.IsTrue(new BigInteger("23").Equals(tstInfo.SerialNumber)); Assert.IsTrue("1.2.3" == tstInfo.Policy); IX509Store store = tsToken.GetCertificates(); ICollection certificates = store.GetMatches(null); Assert.IsTrue(2 == certificates.Count); }
public void TestCertReq() { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.MD5, "1.2"); tsTokenGen.SetCertificates(certs); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); // // request with certReq false // reqGen.SetCertReq(false); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20], BigInteger.ValueOf(100)); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(23), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; Assert.IsNull(tsToken.TimeStampInfo.GenTimeAccuracy); // check for abscence of accuracy Assert.AreEqual("1.2", tsToken.TimeStampInfo.Policy); try { tsToken.Validate(cert); } catch (TspValidationException) { Assert.Fail("certReq(false) verification of token failed."); } IX509Store respCerts = tsToken.GetCertificates("Collection"); ICollection certsColl = respCerts.GetMatches(null); if (certsColl.Count != 0) { Assert.Fail("certReq(false) found certificates in response."); } }
private void basicSha256Test(AsymmetricKeyParameter privateKey, X509Certificate cert, IX509Store certs) { var sInfoGenerator = makeInfoGenerator(privateKey, cert, TspAlgorithms.Sha256, null, null); TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( sInfoGenerator, Asn1DigestFactory.Get(NistObjectIdentifiers.IdSha256), new DerObjectIdentifier("1.2"), true); tsTokenGen.SetCertificates(certs); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha256, new byte[32], BigInteger.ValueOf(100)); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = tsRespGen.Generate(request, new BigInteger("23"), DateTime.Now); Assert.AreEqual((int)PkiStatus.Granted, tsResp.Status); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; tsToken.Validate(cert); Asn1.Cms.AttributeTable table = tsToken.SignedAttributes; Assert.NotNull(table[PkcsObjectIdentifiers.IdAASigningCertificateV2]); Asn1DigestFactory digCalc = Asn1DigestFactory.Get(NistObjectIdentifiers.IdSha256); IStreamCalculator calc = digCalc.CreateCalculator(); using (Stream s = calc.Stream) { var crt = cert.GetEncoded(); s.Write(crt, 0, crt.Length); } byte[] certHash = ((SimpleBlockResult)calc.GetResult()).Collect(); SigningCertificateV2 sigCertV2 = SigningCertificateV2.GetInstance(table[PkcsObjectIdentifiers.IdAASigningCertificateV2].AttrValues[0]); Assert.IsTrue(Arrays.AreEqual(certHash, sigCertV2.GetCerts()[0].GetCertHash())); }
private void timeNotAvailableTest(AsymmetricKeyParameter privateKey, X509Certificate cert, IX509Store certs) { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.Sha1, "1.2"); tsTokenGen.SetCertificates(certs); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); TimeStampRequest request = reqGen.Generate(new DerObjectIdentifier("1.2.3.4.5"), new byte[20]); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = null; // // This is different to the java api. // the java version has two calls, generateGrantedResponse and generateRejectedResponse // See line 726 of NewTspTest // tsResp = tsRespGen.Generate(request, new BigInteger("23"), null); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; if (tsToken != null) { Assert.Fail("timeNotAvailable - token not null."); } PkiFailureInfo failInfo = tsResp.GetFailInfo(); if (failInfo == null) { Assert.Fail("timeNotAvailable - failInfo set to null."); } if (failInfo.IntValue != PkiFailureInfo.TimeNotAvailable) { Assert.Fail("timeNotAvailable - wrong failure info returned."); } }
private void certReqTest(AsymmetricKeyParameter privateKey, X509Certificate cert, IX509Store certs) { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.MD5, "1.2"); tsTokenGen.SetCertificates(certs); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); reqGen.SetCertReq(false); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20], BigInteger.ValueOf(100)); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(23), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; Assert.IsNull(tsToken.TimeStampInfo.GenTimeAccuracy); // check for abscence of accuracy Assert.True("1.2".Equals(tsToken.TimeStampInfo.Policy)); try { tsToken.Validate(cert); } catch (TspValidationException) { Assert.Fail("certReq(false) verification of token failed."); } IX509Store store = tsToken.GetCertificates(); ICollection certsColl = store.GetMatches(null); if (certsColl.Count > 0) { Assert.Fail("certReq(false) found certificates in response."); } }
private void SetAccuracy(TimeStampTokenGenerator tokenGenerator) { if (_options.Accuracy != null) { if (_options.Accuracy.Seconds != null) { tokenGenerator.SetAccuracySeconds(_options.Accuracy.Seconds.Value.IntValue); } if (_options.Accuracy.Millis != null) { tokenGenerator.SetAccuracyMillis(_options.Accuracy.Millis.Value.IntValue); } if (_options.Accuracy.Micros != null) { tokenGenerator.SetAccuracyMicros(_options.Accuracy.Micros.Value.IntValue); } } }
/// <exception cref="Org.BouncyCastle.Operator.OperatorCreationException"/> /// <exception cref="Org.BouncyCastle.Tsp.TSPException"/> /// <exception cref="System.IO.IOException"/> /// <exception cref="Org.BouncyCastle.Security.Certificates.CertificateEncodingException"/> public virtual byte[] CreateTimeStampToken(TimeStampRequest request) { // just a more or less random oid of timestamp policy String policy = "1.3.6.1.4.1.45794.1.1"; TimeStampTokenGenerator tsTokGen = new TimeStampTokenGenerator((AsymmetricKeyParameter)tsaPrivateKey, tsaCertificateChain[0], DigestAlgorithms.GetAllowedDigest("SHA1"), policy); tsTokGen.SetAccuracySeconds(1); // TODO setting this is somewhat wrong. Acrobat and openssl recognize timestamp tokens generated with this line as corrupted // openssl error message: 2304:error:2F09506F:time stamp routines:INT_TS_RESP_VERIFY_TOKEN:tsa name mismatch:ts_rsp_verify.c:476: // tsTokGen.setTSA(new GeneralName(new X500Name(PrincipalUtil.getIssuerX509Principal(tsCertificate).getName()))); tsTokGen.SetCertificates(X509StoreFactory.Create("Certificate/Collection", new X509CollectionStoreParameters(tsaCertificateChain.ToList()))); // should be unique for every timestamp BigInteger serialNumber = new BigInteger(SystemUtil.GetTimeBasedSeed().ToString()); DateTime genTime = DateTimeUtil.GetCurrentUtcTime(); TimeStampToken tsToken = tsTokGen.Generate(request, serialNumber, genTime); return(tsToken.GetEncoded()); }
/// <summary> /// Gets the <see cref="ContentInfo"/> meaning the time stamp token /// </summary> /// <param name="timeStampRequest"><see cref="TimeStampRequest"/></param> /// <returns><see cref="ContentInfo"/></returns> private async Task <ContentInfo> GetTimeStampToken(TimeStampRequest timeStampRequest) { var tsaCertificate = await BcTimeStampResponderRepository.GetCertificate(); var tokenGenerator = new TimeStampTokenGenerator( await BcTimeStampResponderRepository.GetPrivateKey(), tsaCertificate, NistObjectIdentifiers.IdSha512.Id, BcTimeStampResponderRepository.GetPolicyOid() ); var certs = X509StoreFactory.Create("Certificate/Collection", new X509CollectionStoreParameters( new List <X509Certificate> { tsaCertificate })); tokenGenerator.SetCertificates(certs); tokenGenerator.SetTsa(new GeneralName(new X509Name(tsaCertificate.SubjectDN.ToString()))); var timeStampToken = tokenGenerator.Generate( timeStampRequest, BcTimeStampResponderRepository.GetNextSerialNumber(), BcTimeStampResponderRepository.GetTimeToSign()); try { using (var stream = new Asn1InputStream(timeStampToken.ToCmsSignedData().GetEncoded())) { var contentInfo = ContentInfo.GetInstance(stream.ReadObject()); await SaveAuditLog(timeStampRequest, timeStampToken, tsaCertificate); return(contentInfo); } } catch (Exception e) { throw new TspException("Timestamp token cannot be converted to ContentInfo", e); } }
private byte[] RFC3161(byte[] bRequest, DateTime signTime, BigInteger biSerial) { TimeStampRequest timeStampRequest = new TimeStampRequest(bRequest); Asn1EncodableVector signedAttributes = new Asn1EncodableVector(); signedAttributes.Add(new Attribute(CmsAttributes.ContentType, new DerSet(new DerObjectIdentifier("1.2.840.113549.1.7.1")))); signedAttributes.Add(new Attribute(CmsAttributes.SigningTime, new DerSet(new DerUtcTime(signTime)))); AttributeTable signedAttributesTable = new AttributeTable(signedAttributes); signedAttributesTable.ToAsn1EncodableVector(); TimeStampTokenGenerator timeStampTokenGenerator = new TimeStampTokenGenerator(priKey, x509Cert, new DefaultDigestAlgorithmIdentifierFinder().find(hashAlg).Algorithm.Id, "1.3.6.1.4.1.13762.3", signedAttributesTable, null); timeStampTokenGenerator.SetCertificates(x509Store); TimeStampResponseGenerator timeStampResponseGenerator = new TimeStampResponseGenerator(timeStampTokenGenerator, TspAlgorithms.Allowed); TimeStampResponse timeStampResponse = timeStampResponseGenerator.Generate(timeStampRequest, biSerial, signTime); byte[] result = timeStampResponse.GetEncoded(); return(result); }
public void TestBasicSha256() { var sInfoGenerator = makeInfoGenerator(privateKey, cert, TspAlgorithms.Sha256, null, null); TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( sInfoGenerator, Asn1DigestFactory.Get(NistObjectIdentifiers.IdSha256), new DerObjectIdentifier("1.2"), true); tsTokenGen.SetCertificates(certs); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha256, new byte[32]); Assert.IsFalse(request.CertReq); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(23), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; tsToken.Validate(cert); TimeStampTokenInfo tstInfo = tsToken.TimeStampInfo; AttributeTable table = tsToken.SignedAttributes; var r = table.Get(PkcsObjectIdentifiers.IdAASigningCertificateV2); Assert.NotNull(r); Assert.AreEqual(PkcsObjectIdentifiers.IdAASigningCertificateV2, r.AttrType); var set = r.AttrValues; SigningCertificateV2 sCert = SigningCertificateV2.GetInstance(set[0]); var issSerNum = sCert.GetCerts()[0].IssuerSerial; Assert.AreEqual(cert.SerialNumber, issSerNum.Serial.Value); }
private void resolutionTest(AsymmetricKeyParameter privateKey, X509.X509Certificate cert, IX509Store certs, Resolution resoution, string timeString) { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.Sha1, "1.2"); tsTokenGen.Resolution = resoution; tsTokenGen.SetCertificates(certs); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20], BigInteger.ValueOf(100)); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(23), UnixEpoch.AddMilliseconds(9999)); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; // This done instead of relying on string comparison. Assert.AreEqual(timeString, tsToken.TimeStampInfo.TstInfo.GenTime.TimeString); tsResp = tsRespGen.Generate(request, new BigInteger("23"), UnixEpoch.AddMilliseconds(9000)); tsToken = tsResp.TimeStampToken; Assert.AreEqual("19700101000009Z", tsToken.TimeStampInfo.TstInfo.GenTime.TimeString); if ((int)resoution > (int)Resolution.R_HUNDREDTHS_OF_SECONDS) { tsResp = tsRespGen.Generate(request, new BigInteger("23"), UnixEpoch.AddMilliseconds(9990)); tsToken = tsResp.TimeStampToken; Assert.AreEqual("19700101000009.99Z", tsToken.TimeStampInfo.TstInfo.GenTime.TimeString); } if ((int)resoution > (int)Resolution.R_TENTHS_OF_SECONDS) { tsResp = tsRespGen.Generate(request, new BigInteger("23"), UnixEpoch.AddMilliseconds(9900)); tsToken = tsResp.TimeStampToken; Assert.AreEqual("19700101000009.9Z", tsToken.TimeStampInfo.TstInfo.GenTime.TimeString); } }
private void badPolicyTest(AsymmetricKeyParameter privateKey, X509Certificate cert, IX509Store certs) { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.Sha1, "1.2"); tsTokenGen.SetCertificates(certs); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); reqGen.SetReqPolicy("1.1"); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20]); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed, new ArrayList()); TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(23), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; if (tsToken != null) { Assert.Fail("badPolicy - token not null."); } PkiFailureInfo failInfo = tsResp.GetFailInfo(); if (failInfo == null) { Assert.Fail("badPolicy - failInfo set to null."); } if (failInfo.IntValue != PkiFailureInfo.UnacceptedPolicy) { Assert.Fail("badPolicy - wrong failure info returned."); } }
private void additionalExtensionTest(AsymmetricKeyParameter privateKey, X509Certificate cert, IX509Store certs) { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.Sha1, "1.2"); tsTokenGen.SetCertificates(certs); tsTokenGen.SetTsa(new Asn1.X509.GeneralName(new X509Name("CN=Test"))); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20], BigInteger.ValueOf(100)); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); X509ExtensionsGenerator extensionsGenerator = new X509ExtensionsGenerator(); extensionsGenerator.AddExtension(X509Extensions.AuditIdentity, false, new DerUtf8String("Test")); TimeStampResponse tsResp = tsRespGen.GenerateGrantedResponse(request, new BigInteger("23"), new DateTimeObject(DateTime.UtcNow), "Okay", extensionsGenerator.Generate()); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; tsToken.Validate(cert); Asn1.Cms.AttributeTable table = tsToken.SignedAttributes; Assert.NotNull(table[PkcsObjectIdentifiers.IdAASigningCertificate], "no signingCertificate attribute found"); X509Extensions ext = tsToken.TimeStampInfo.TstInfo.Extensions; Assert.True(1 == ext.GetExtensionOids().Length); X509Extension left = new X509Extension(DerBoolean.False, new DerOctetString(new DerUtf8String("Test").GetEncoded())); Assert.True(left.Equals(ext.GetExtension(X509Extensions.AuditIdentity))); }
public override void Respond(HttpListenerContext context) { if (context == null) { throw new ArgumentNullException(nameof(context)); } if (!string.Equals(context.Request.ContentType, RequestContentType, StringComparison.OrdinalIgnoreCase)) { context.Response.StatusCode = 400; return; } var bytes = ReadRequestBody(context.Request); var request = new TimeStampRequest(bytes); var tokenGenerator = new TimeStampTokenGenerator(_keyPair.Private, Certificate, TspAlgorithms.Sha256, BaselineTimeStampPolicy); if (request.CertReq) { var certificates = X509StoreFactory.Create( "Certificate/Collection", new X509CollectionStoreParameters(new[] { Certificate })); tokenGenerator.SetCertificates(certificates); } var responseGenerator = new TimeStampResponseGenerator(tokenGenerator, TspAlgorithms.Allowed); var response = responseGenerator.Generate(request, _nextSerialNumber, DateTime.UtcNow); _serialNumbers.Add(_nextSerialNumber); _nextSerialNumber = _nextSerialNumber.Add(BigInteger.One); context.Response.ContentType = ResponseContentType; WriteResponseBody(context.Response, response.GetEncoded()); }
public void TestTimeNotAvailable() { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.Sha1, "1.2"); tsTokenGen.SetCertificates(certs); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); TimeStampRequest request = reqGen.Generate("1.2.3.4.5", new byte[20]); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator( tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = tsRespGen.Generate(request, new BigInteger("23"), null); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; if (tsToken != null) { Assert.Fail("timeNotAvailable - token not null."); } PkiFailureInfo failInfo = tsResp.GetFailInfo(); if (failInfo == null) { Assert.Fail("timeNotAvailable - failInfo set to null."); } if (failInfo.IntValue != PkiFailureInfo.TimeNotAvailable) { Assert.Fail("timeNotAvailable - wrong failure info returned."); } }
public void TestBasic() { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.Sha1, "1.2"); tsTokenGen.SetCertificates(certs); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20], BigInteger.ValueOf(100)); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(23), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; tsToken.Validate(cert); AttributeTable table = tsToken.SignedAttributes; Assert.IsNotNull(table[PkcsObjectIdentifiers.IdAASigningCertificate], "no signingCertificate attribute found"); }
private void overrideAttrsTest(AsymmetricKeyParameter privateKey, X509Certificate cert, IX509Store certs) { SignerInfoGeneratorBuilder signerInfoGenBuilder = new SignerInfoGeneratorBuilder(); IssuerSerial issuerSerial = new IssuerSerial( new GeneralNames( new GeneralName( X509CertificateStructure.GetInstance(cert.GetEncoded()).Issuer)), new DerInteger(cert.SerialNumber)); byte[] certHash256; byte[] certHash; { Asn1DigestFactory digCalc = Asn1DigestFactory.Get(OiwObjectIdentifiers.IdSha1); IStreamCalculator calc = digCalc.CreateCalculator(); using (Stream s = calc.Stream) { byte[] crt = cert.GetEncoded(); s.Write(crt, 0, crt.Length); } certHash = ((SimpleBlockResult)calc.GetResult()).Collect(); } { Asn1DigestFactory digCalc = Asn1DigestFactory.Get(NistObjectIdentifiers.IdSha256); IStreamCalculator calc = digCalc.CreateCalculator(); using (Stream s = calc.Stream) { byte[] crt = cert.GetEncoded(); s.Write(crt, 0, crt.Length); } certHash256 = ((SimpleBlockResult)calc.GetResult()).Collect(); } EssCertID essCertID = new EssCertID(certHash, issuerSerial); EssCertIDv2 essCertIDv2 = new EssCertIDv2(certHash256, issuerSerial); signerInfoGenBuilder.WithSignedAttributeGenerator(new TestAttrGen(essCertID, essCertIDv2)); Asn1SignatureFactory sigfact = new Asn1SignatureFactory("SHA1WithRSA", privateKey); SignerInfoGenerator signerInfoGenerator = signerInfoGenBuilder.Build(sigfact, cert); TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator(signerInfoGenerator, Asn1DigestFactory.Get(OiwObjectIdentifiers.IdSha1), new DerObjectIdentifier("1.2"), true); tsTokenGen.SetCertificates(certs); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20], BigInteger.ValueOf(100)); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(23), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; tsToken.Validate(cert); Asn1.Cms.AttributeTable table = tsToken.SignedAttributes; Assert.NotNull(table[PkcsObjectIdentifiers.IdAASigningCertificate], "no signingCertificate attribute found"); Assert.NotNull(table[PkcsObjectIdentifiers.IdAASigningCertificateV2], "no signingCertificateV2 attribute found"); SigningCertificate sigCert = SigningCertificate.GetInstance(table[PkcsObjectIdentifiers.IdAASigningCertificate].AttrValues[0]); Assert.IsTrue(cert.CertificateStructure.Issuer.Equals(sigCert.GetCerts()[0].IssuerSerial.Issuer.GetNames()[0].Name)); Assert.IsTrue(cert.CertificateStructure.SerialNumber.Value.Equals(sigCert.GetCerts()[0].IssuerSerial.Serial.Value)); Assert.IsTrue(Arrays.AreEqual(certHash, sigCert.GetCerts()[0].GetCertHash())); SigningCertificate sigCertV2 = SigningCertificate.GetInstance(table[PkcsObjectIdentifiers.IdAASigningCertificateV2].AttrValues[0]); Assert.IsTrue(cert.CertificateStructure.Issuer.Equals(sigCertV2.GetCerts()[0].IssuerSerial.Issuer.GetNames()[0].Name)); Assert.IsTrue(cert.CertificateStructure.SerialNumber.Value.Equals(sigCertV2.GetCerts()[0].IssuerSerial.Serial.Value)); Assert.IsTrue(Arrays.AreEqual(certHash256, sigCertV2.GetCerts()[0].GetCertHash())); }
public void TestIncorrectHash() { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.Sha1, "1.2"); tsTokenGen.SetCertificates(certs); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[16]); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(23), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; if (tsToken != null) { Assert.Fail("incorrectHash - token not null."); } PkiFailureInfo failInfo = tsResp.GetFailInfo(); if (failInfo == null) { Assert.Fail("incorrectHash - failInfo set to null."); } if (failInfo.IntValue != PkiFailureInfo.BadDataFormat) { Assert.Fail("incorrectHash - wrong failure info returned."); } }
public void TestAccuracyWithCertsAndOrdering() { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.MD5, "1.2.3"); tsTokenGen.SetCertificates(certs); tsTokenGen.SetAccuracySeconds(3); tsTokenGen.SetAccuracyMillis(1); tsTokenGen.SetAccuracyMicros(2); tsTokenGen.SetOrdering(true); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); reqGen.SetCertReq(true); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20], BigInteger.ValueOf(100)); Assert.IsTrue(request.CertReq); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(23), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; tsToken.Validate(cert); // // check validation // tsResp.Validate(request); // // check tstInfo // TimeStampTokenInfo tstInfo = tsToken.TimeStampInfo; // // check accuracy // GenTimeAccuracy accuracy = tstInfo.GenTimeAccuracy; Assert.AreEqual(3, accuracy.Seconds); Assert.AreEqual(1, accuracy.Millis); Assert.AreEqual(2, accuracy.Micros); Assert.AreEqual(BigInteger.ValueOf(23), tstInfo.SerialNumber); Assert.AreEqual("1.2.3", tstInfo.Policy); Assert.AreEqual(true, tstInfo.IsOrdered); Assert.AreEqual(tstInfo.Nonce, BigInteger.ValueOf(100)); // // test certReq // IX509Store store = tsToken.GetCertificates("Collection"); ICollection certificates = store.GetMatches(null); Assert.AreEqual(2, certificates.Count); }
public void TestTokenEncoding() { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.Sha1, "1.2.3.4.5.6"); tsTokenGen.SetCertificates(certs); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20], BigInteger.ValueOf(100)); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(23), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampResponse tsResponse = new TimeStampResponse(tsResp.GetEncoded()); if (!Arrays.AreEqual(tsResponse.GetEncoded(), tsResp.GetEncoded()) || !Arrays.AreEqual(tsResponse.TimeStampToken.GetEncoded(), tsResp.TimeStampToken.GetEncoded())) { Assert.Fail(); } }
public void TestBadPolicy() { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.Sha1, "1.2"); tsTokenGen.SetCertificates(certs); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); reqGen.SetReqPolicy("1.1"); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20]); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed, new ArrayList()); TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(23), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; if (tsToken != null) { Assert.Fail("badPolicy - token not null."); } PkiFailureInfo failInfo = tsResp.GetFailInfo(); if (failInfo == null) { Assert.Fail("badPolicy - failInfo set to null."); } if (failInfo.IntValue != PkiFailureInfo.UnacceptedPolicy) { Assert.Fail("badPolicy - wrong failure info returned."); } }
public void TestResponseValidation() { TimeStampTokenGenerator tsTokenGen = new TimeStampTokenGenerator( privateKey, cert, TspAlgorithms.MD5, "1.2"); tsTokenGen.SetCertificates(certs); TimeStampRequestGenerator reqGen = new TimeStampRequestGenerator(); TimeStampRequest request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20], BigInteger.ValueOf(100)); TimeStampResponseGenerator tsRespGen = new TimeStampResponseGenerator(tsTokenGen, TspAlgorithms.Allowed); TimeStampResponse tsResp = tsRespGen.Generate(request, BigInteger.ValueOf(23), DateTime.UtcNow); tsResp = new TimeStampResponse(tsResp.GetEncoded()); TimeStampToken tsToken = tsResp.TimeStampToken; tsToken.Validate(cert); // // check validation // tsResp.Validate(request); try { request = reqGen.Generate(TspAlgorithms.Sha1, new byte[20], BigInteger.ValueOf(101)); tsResp.Validate(request); Assert.Fail("response validation failed on invalid nonce."); } catch (TspValidationException) { // ignore } try { request = reqGen.Generate(TspAlgorithms.Sha1, new byte[22], BigInteger.ValueOf(100)); tsResp.Validate(request); Assert.Fail("response validation failed on wrong digest."); } catch (TspValidationException) { // ignore } try { request = reqGen.Generate(TspAlgorithms.MD5, new byte[20], BigInteger.ValueOf(100)); tsResp.Validate(request); Assert.Fail("response validation failed on wrong digest."); } catch (TspValidationException) { // ignore } }