示例#1
0
        private static void ExportKeyPair(
            Stream secretOut,
            Stream publicOut,
            AsymmetricKeyParameter publicKey,
            AsymmetricKeyParameter privateKey,
            string identity,
            char[] passPhrase,
            bool armor)
        {
            if (armor)
            {
                secretOut = new ArmoredOutputStream(secretOut);
            }

            PgpSignatureSubpacketGenerator signHashGen = new PgpSignatureSubpacketGenerator();

            signHashGen.SetKeyFlags(false, PgpKeyFlags.CanSign | PgpKeyFlags.CanCertify | PgpKeyFlags.CanEncryptCommunications | PgpKeyFlags.CanEncryptStorage);
            signHashGen.SetPreferredSymmetricAlgorithms(false, new int[] { (int)SymmetricKeyAlgorithmTag.Aes256,
                                                                           (int)SymmetricKeyAlgorithmTag.Aes192, (int)SymmetricKeyAlgorithmTag.Aes128, (int)SymmetricKeyAlgorithmTag.Blowfish });
            signHashGen.SetPreferredHashAlgorithms(false, new int[] { (int)HashAlgorithmTag.Sha512,
                                                                      (int)HashAlgorithmTag.Sha384, (int)HashAlgorithmTag.Sha256, (int)HashAlgorithmTag.Sha224,
                                                                      (int)HashAlgorithmTag.RipeMD160, (int)HashAlgorithmTag.Tiger192 });
            signHashGen.SetPreferredCompressionAlgorithms(false, new int[] { (int)CompressionAlgorithmTag.ZLib,
                                                                             (int)CompressionAlgorithmTag.BZip2, (int)CompressionAlgorithmTag.Zip });
            signHashGen.SetTrust(false, 8, 255);

            PgpSignatureSubpacketVector signSubpktVector = signHashGen.Generate();


            PgpSecretKey secretKey = new PgpSecretKey(
                PgpSignature.PositiveCertification,
                PublicKeyAlgorithmTag.RsaGeneral,
                publicKey,
                privateKey,
                DateTime.UtcNow,
                identity,
                SymmetricKeyAlgorithmTag.Aes256,
                passPhrase,
                signSubpktVector, //null,
                null,
                new SecureRandom()
                );

            secretKey.Encode(secretOut);

            if (armor)
            {
                secretOut.Close();
                publicOut = new ArmoredOutputStream(publicOut);
            }

            PgpPublicKey key = secretKey.PublicKey;

            key.Encode(publicOut);

            if (armor)
            {
                publicOut.Close();
            }
        }
示例#2
0
文件: Key.cs 项目: AmnBAN/AmnRo
        private static void ExportKeyPair(Stream secretOut, Stream publicOut, AsymmetricKeyParameter publicKey, AsymmetricKeyParameter privateKey, string identity, char[] passPhrase, bool armor)
        {
            if (armor)
            {
                secretOut = new ArmoredOutputStream(secretOut);
            }

            PgpSecretKey secretKey = new PgpSecretKey(PgpSignature.DefaultCertification, PublicKeyAlgorithmTag.RsaGeneral, publicKey, privateKey, DateTime.Now, identity, SymmetricKeyAlgorithmTag.Cast5, passPhrase, null, null, new SecureRandom()
                                                      //                ,"BC"
                                                      );

            secretKey.Encode(secretOut);

            secretOut.Close();

            if (armor)
            {
                publicOut = new ArmoredOutputStream(publicOut);
            }

            PgpPublicKey key = secretKey.PublicKey;

            key.Encode(publicOut);

            publicOut.Close();
        }
示例#3
0
        private void ExportKeyPair(
            Stream secretOut,
            Stream publicOut,
            AsymmetricKeyParameter publicKey,
            AsymmetricKeyParameter privateKey,
            string identity,
            char[] passPhrase,
            bool armor)
        {
            if (secretOut == null)
            {
                throw new ArgumentException("secretOut");
            }
            if (publicOut == null)
            {
                throw new ArgumentException("publicOut");
            }

            if (armor)
            {
                secretOut = new ArmoredOutputStream(secretOut);
            }

            PgpSecretKey secretKey = new PgpSecretKey(
                PgpSignatureType,
                (PublicKeyAlgorithmTag)(int)PublicKeyAlgorithm,
                publicKey,
                privateKey,
                DateTime.Now,
                identity,
                (SymmetricKeyAlgorithmTag)(int)SymmetricKeyAlgorithm,
                passPhrase,
                null,
                null,
                new SecureRandom()
                //                ,"BC"
                );

            secretKey.Encode(secretOut);

            secretOut.Close();

            if (armor)
            {
                publicOut = new ArmoredOutputStream(publicOut);
            }

            PgpPublicKey key = secretKey.PublicKey;

            key.Encode(publicOut);

            publicOut.Close();
        }
示例#4
0
        protected void ExportKeyPair(
            Stream secretOut,
            Stream publicOut,
            AsymmetricKeyParameter publicKey,
            AsymmetricKeyParameter privateKey,
            string identity,
            char[] passPhrase,
            bool armor)
        {
            if (secretOut == null)
            {
                throw new ArgumentException("secretOut");
            }
            if (publicOut == null)
            {
                throw new ArgumentException("publicOut");
            }

            if (armor)
            {
                secretOut = new ArmoredOutputStream(secretOut);
            }

            PgpSecretKey secretKey = new PgpSecretKey(
                certificationLevel: PgpSignatureType,
                algorithm: (PublicKeyAlgorithmTag)(int)PublicKeyAlgorithm,
                pubKey: publicKey,
                privKey: privateKey,
                time: DateTime.Now,
                id: identity,
                encAlgorithm: (SymmetricKeyAlgorithmTag)(int)SymmetricKeyAlgorithm,
                passPhrase: passPhrase,
                hashedPackets: null,
                unhashedPackets: null,
                rand: new SecureRandom()
                //                ,"BC"
                );

            secretKey.Encode(secretOut);

            secretOut.Close();

            if (armor)
            {
                publicOut = new ArmoredOutputStream(publicOut);
            }

            PgpPublicKey key = secretKey.PublicKey;

            key.Encode(publicOut);

            publicOut.Close();
        }
示例#5
0
        public void ExportPublicKeyFromDbSecret(long keyId, string saveFileName)
        {
            PgpSecretKey secretKey = ReadSecretKey(keyId);

            Stream outFile = File.Create(saveFileName);

            outFile = new ArmoredOutputStream(outFile);
            PgpPublicKey publicKey = secretKey.PublicKey;

            publicKey.Encode(outFile);
            outFile.Close();
        }
示例#6
0
        /// <summary>
        /// Generate a private/public keypair
        /// </summary>
        /// <param name="privatePath">Private Path</param>
        /// <param name="publicPath">Public Path</param>
        public static bool GenerateKeypair(String privatePath, String publicPath)
        {
            Generate gen = new Generate();

            gen.ShowDialog();

            if (gen.DialogResult == System.Windows.Forms.DialogResult.Cancel)
            {
                return(false);
            }
            else
            {
                IAsymmetricCipherKeyPairGenerator kpg = new RsaKeyPairGenerator();
                kpg.Init(new RsaKeyGenerationParameters(BigInteger.ValueOf(0x13), new SecureRandom(), 1024, 8));
                AsymmetricCipherKeyPair kp = kpg.GenerateKeyPair();

                FileStream privOut = new FileInfo(privatePath).OpenWrite();
                FileStream pubOut  = new FileInfo(publicPath).OpenWrite();

                Stream privateOut = new ArmoredOutputStream(privOut);
                Stream publicOut  = pubOut;

                PgpSecretKey privateKey = new PgpSecretKey(
                    PgpSignature.DefaultCertification,
                    PublicKeyAlgorithmTag.RsaGeneral,
                    kp.Public,
                    kp.Private,
                    DateTime.Now,
                    gen.Idendity,
                    SymmetricKeyAlgorithmTag.Cast5,
                    gen.Passphrase.ToCharArray(),
                    null,
                    null,
                    new SecureRandom()
                    );

                privateKey.Encode(privateOut);
                privOut.Close();

                publicOut = new ArmoredOutputStream(publicOut);
                PgpPublicKey key = privateKey.PublicKey;
                key.Encode(publicOut);

                pubOut.Close();

                // write decrypt comparison
                PGPLib lib = new PGPLib(File.ReadAllText("key_local/public.key"), File.ReadAllText("key_local/private.key"), gen.Passphrase);
                File.WriteAllText("key_local/validation.bin", lib.Encrypt("PGPSteam"));
                return(true);
            }
        }
        /// <summary>
        /// Final key pair creation
        /// </summary>
        /// <param name="secretOut"></param>
        /// <param name="publicOut"></param>
        /// <param name="publicKey"></param>
        /// <param name="privateKey"></param>
        /// <param name="identity"></param>
        /// <param name="passphrase"></param>
        /// <param name="armor"></param>
        public static void ExportKeyPair(
            Stream secretOut,
            Stream publicOut,
            AsymmetricKeyParameter publicKey,
            AsymmetricKeyParameter privateKey,
            string identity,
            char[] passphrase,
            bool armor)
        {
            if (armor)
            {
                secretOut = new ArmoredOutputStream(secretOut);
            }

            // Prepare a strong Secure Random with seed
            SecureRandom secureRandom = PgpEncryptionUtil.GetSecureRandom();

            PgpSecretKey secretKey = new PgpSecretKey(
                PgpSignature.DefaultCertification,
                PublicKeyAlgorithmTag.RsaGeneral,
                publicKey,
                privateKey,
                DateTime.UtcNow,
                identity,
                SymmetricKeyAlgorithmTag.Aes256,
                passphrase,
                null,
                null,
                secureRandom
                );

            secretKey.Encode(secretOut);

            if (armor)
            {
                secretOut.Dispose();
                publicOut = new ArmoredOutputStream(publicOut);
            }

            PgpPublicKey key = secretKey.PublicKey;

            key.Encode(publicOut);

            if (armor)
            {
                publicOut.Dispose();
            }
        }
 /// <summary>
 /// Returns actual public PGP key, in armored ASCII format.
 /// </summary>
 /// <param name="key">Key to retrieve.</param>
 /// <returns>Armored ASCII format representing public key</returns>
 public static string GetAsciiArmoredPublicKey(PgpPublicKey key)
 {
     using (var memStream = new MemoryStream())
     {
         using (var armored = new ArmoredOutputStream(memStream))
         {
             key.Encode(armored);
             armored.Flush();
         }
         memStream.Flush();
         memStream.Position = 0;
         using (var sr = new StreamReader(memStream))
         {
             return(sr.ReadToEnd());
         }
     }
 }
        private Keypair Armor(AsymmetricCipherKeyPair keyPair, String email)
        {
            AsymmetricKeyParameter privateKey = keyPair.Private;
            AsymmetricKeyParameter publicKey  = keyPair.Public;

            MemoryStream        memOut    = new MemoryStream();
            ArmoredOutputStream secretOut = new ArmoredOutputStream(memOut);

            PgpSecretKey secretKey = new PgpSecretKey(
                PgpSignature.DefaultCertification,
                PublicKeyAlgorithmTag.RsaGeneral,
                publicKey,
                privateKey,
                DateTime.Now,
                email,
                SymmetricKeyAlgorithmTag.Null,
                null,
                null,
                null,
                new SecureRandom()
                );

            secretKey.Encode(secretOut);
            secretOut.Close();

            MemoryStream memPublicOut = new MemoryStream();
            Stream       publicOut    = new ArmoredOutputStream(memPublicOut);

            PgpPublicKey key = secretKey.PublicKey;

            key.Encode(publicOut);

            publicOut.Close();

            String privateKeyStr = System.Text.Encoding.Default.GetString(memOut.ToArray());
            String publicKeyStr  = System.Text.Encoding.Default.GetString(memPublicOut.ToArray());

            Keypair pair = new Keypair();

            pair.PrivateKey = privateKeyStr;
            pair.PublicKey  = publicKeyStr;

            return(pair);
        }
        /// <summary>
        /// Write the <see cref="PgpPublicKey"/> to file.
        /// </summary>
        /// <param name="outputPath">
        /// Path to write the key to.
        /// </param>
        /// <param name="publicKey">
        /// The key to write.
        /// </param>
        /// <param name="armor">
        /// Should the file be written as ASCII armor?
        /// </param>
        public static void WriteKey(string outputPath, PgpPublicKey publicKey, bool armor)
        {
            using (var fs = new FileStream(outputPath, FileMode.Create))
            {
                var outputStream = (Stream)fs;
                if (armor)
                {
                    outputStream = new ArmoredOutputStream(fs);
                }

                publicKey.Encode(outputStream);
                outputStream.Flush();

                if (armor)
                {
                    outputStream.Dispose();
                }
            }
        }
示例#11
0
        public void PerformTest()
        {
            //
            // Read the public key
            //
            PgpPublicKeyRing pgpPub = new PgpPublicKeyRing(testPubKey);

            var firstUserId = pgpPub.GetPublicKey().GetUserIds().FirstOrDefault();

            Assert.NotNull(firstUserId);
            Assert.AreEqual(1, firstUserId.SelfCertifications.Count);
            Assert.IsTrue(firstUserId.SelfCertifications[0].Verify());

            //
            // write a public key
            //
            MemoryStream bOut = new MemoryStream();

            pgpPub.Encode(bOut);
            Assert.AreEqual(testPubKey, bOut.ToArray());

            //
            // Read the public key
            //
            PgpPublicKeyRing pgpPubV3 = new PgpPublicKeyRing(testPubKeyV3);

            //
            // write a V3 public key
            //
            bOut = new MemoryStream();

            pgpPubV3.Encode(bOut);

            //
            // Read a v3 private key
            //
            var passP = "FIXCITY_QA";

            {
                PgpSecretKeyRing pgpPriv2         = new PgpSecretKeyRing(testPrivKeyV3);
                PgpSecretKey     pgpPrivSecretKey = pgpPriv2.GetSecretKey();
                PgpPrivateKey    pgpPrivKey2      = pgpPrivSecretKey.ExtractPrivateKey(passP);

                //
                // write a v3 private key
                //
                bOut = new MemoryStream();
                pgpPriv2.Encode(bOut);
                byte[] result = bOut.ToArray();
                Assert.AreEqual(testPrivKeyV3, result);
            }

            //
            // Read the private key
            //
            PgpSecretKeyRing pgpPriv    = new PgpSecretKeyRing(testPrivKey);
            PgpPrivateKey    pgpPrivKey = pgpPriv.GetSecretKey().ExtractPrivateKey(pass);

            //
            // write a private key
            //
            bOut = new MemoryStream();
            pgpPriv.Encode(bOut);
            Assert.AreEqual(testPrivKey, bOut.ToArray());

            //
            // test encryption
            //

            /*var c = pubKey;
             *
             * //                c.Init(Cipher.ENCRYPT_MODE, pubKey);
             *
             * byte[] inBytes = Encoding.ASCII.GetBytes("hello world");
             * byte[] outBytes = c.DoFinal(inBytes);
             *
             * //                c.Init(Cipher.DECRYPT_MODE, pgpPrivKey.GetKey());
             * c.Init(false, pgpPrivKey.Key);
             *
             * outBytes = c.DoFinal(outBytes);
             *
             * if (!Arrays.AreEqual(inBytes, outBytes))
             * {
             *  Fail("decryption failed.");
             * }*/

            //
            // test signature message
            //
            var compressedMessage = (PgpCompressedMessage)PgpMessage.ReadMessage(sig1);
            var signedMessage     = (PgpSignedMessage)compressedMessage.ReadMessage();
            var literalMessage    = (PgpLiteralMessage)signedMessage.ReadMessage();

            literalMessage.GetStream().CopyTo(Stream.Null);
            Assert.True(signedMessage.Verify(pgpPub.GetPublicKey(signedMessage.KeyId)));

            //
            // encrypted message - read subkey
            //
            pgpPriv = new PgpSecretKeyRing(subKey);

            //
            // encrypted message
            //
            byte[] text             = Encoding.ASCII.GetBytes("hello world!\n");
            var    encryptedMessage = (PgpEncryptedMessage)PgpMessage.ReadMessage(enc1);

            var encKeyId = encryptedMessage.KeyIds.First();

            pgpPrivKey        = pgpPriv.GetSecretKey(encKeyId).ExtractPrivateKey(pass);
            compressedMessage = (PgpCompressedMessage)encryptedMessage.DecryptMessage(pgpPrivKey);
            literalMessage    = (PgpLiteralMessage)compressedMessage.ReadMessage();
            Assert.AreEqual("test.txt", literalMessage.FileName);
            byte[] bytes = Streams.ReadAll(literalMessage.GetStream());
            Assert.AreEqual(text, bytes);

            //
            // encrypt - short message
            //
            byte[] shortText = { (byte)'h', (byte)'e', (byte)'l', (byte)'l', (byte)'o' };

            MemoryStream cbOut = new MemoryStream();

            var messageGenerator = new PgpMessageGenerator(cbOut);

            using (var encryptedGenerator = messageGenerator.CreateEncrypted(PgpSymmetricKeyAlgorithm.Cast5))
            {
                encryptedGenerator.AddMethod(pgpPriv.GetSecretKey(encKeyId));
                using (var literalStream = encryptedGenerator.CreateLiteral(PgpDataFormat.Binary, "", DateTime.UtcNow))
                {
                    literalStream.Write(shortText);
                }
            }

            cbOut.Position   = 0;
            encryptedMessage = (PgpEncryptedMessage)PgpMessage.ReadMessage(cbOut);
            pgpPrivKey       = pgpPriv.GetSecretKey(encryptedMessage.KeyIds.First()).ExtractPrivateKey(pass);
            //Assert.AreEqual(SymmetricKeyAlgorithmTag.Cast5, ((PgpPublicKeyEncryptedData)encryptedMessage.Methods[0]).GetSymmetricAlgorithm(pgpPrivKey));
            literalMessage = (PgpLiteralMessage)encryptedMessage.DecryptMessage(pgpPrivKey);
            Assert.AreEqual("", literalMessage.FileName);
            bytes = Streams.ReadAll(literalMessage.GetStream());
            Assert.AreEqual(shortText, bytes);

            //
            // encrypt
            //
            cbOut = new MemoryStream();

            messageGenerator = new PgpMessageGenerator(cbOut);
            using (var encryptedGenerator = messageGenerator.CreateEncrypted(PgpSymmetricKeyAlgorithm.Cast5))
            {
                encryptedGenerator.AddMethod(pgpPriv.GetSecretKey(encKeyId));
                using (var literalStream = encryptedGenerator.CreateLiteral(PgpDataFormat.Binary, "", DateTime.UtcNow))
                {
                    literalStream.Write(text);
                }
            }

            cbOut.Position   = 0;
            encryptedMessage = (PgpEncryptedMessage)PgpMessage.ReadMessage(cbOut);
            pgpPrivKey       = pgpPriv.GetSecretKey(encryptedMessage.KeyIds.First()).ExtractPrivateKey(pass);
            literalMessage   = (PgpLiteralMessage)encryptedMessage.DecryptMessage(pgpPrivKey);
            bytes            = Streams.ReadAll(literalMessage.GetStream());
            Assert.AreEqual(text, bytes);

            //
            // read public key with sub key.
            //

            /*pgpF = new PgpObjectFactory(subPubKey);
             * object o;
             * while ((o = pgpFact.NextPgpObject()) != null)
             * {
             *  // TODO Should something be tested here?
             *  // Console.WriteLine(o);
             * }*/

            //
            // key pair generation - CAST5 encryption
            //
            var passPhrase = "hello";
            var rsa        = RSA.Create(1024);

            var keyRingGenerator = new PgpKeyRingGenerator(rsa, "fred", passPhrase);

            var secretKey = keyRingGenerator.GenerateSecretKeyRing().GetSecretKey();

            PgpPublicKey key = new PgpPublicKey(secretKey);

            firstUserId = key.GetUserIds().FirstOrDefault();
            Assert.NotNull(firstUserId);
            Assert.AreEqual(1, firstUserId.SelfCertifications.Count);
            Assert.IsTrue(firstUserId.SelfCertifications[0].Verify());

            pgpPrivKey = secretKey.ExtractPrivateKey(passPhrase);

            key = PgpPublicKey.RemoveCertification(key, firstUserId, firstUserId.SelfCertifications[0]);
            Assert.NotNull(key);

            byte[] keyEnc = key.GetEncoded();

            key = PgpPublicKey.AddCertification(key, firstUserId.UserId, firstUserId.SelfCertifications[0]);

            keyEnc = key.GetEncoded();

            var revocation = PgpCertification.GenerateKeyRevocation(
                secretKey,
                secretKey.ExtractPrivateKey(passPhrase),
                key);

            key = PgpPublicKey.AddCertification(key, revocation);

            keyEnc = key.GetEncoded();

            PgpPublicKeyRing tmpRing = new PgpPublicKeyRing(keyEnc);

            key = tmpRing.GetPublicKey();

            revocation = key.KeyCertifications.Where(c => c.SignatureType == PgpSignatureType.KeyRevocation).FirstOrDefault();
            Assert.NotNull(revocation);
            Assert.IsTrue(revocation.Verify(key));

            //
            // use of PgpKeyPair
            //
            PgpKeyPair pgpKp = new PgpKeyPair(rsa, DateTime.UtcNow);

            PgpPublicKey  k1 = pgpKp.PublicKey;
            PgpPrivateKey k2 = pgpKp.PrivateKey;

            k1.GetEncoded();

            MixedTest(k2, k1);

            //
            // key pair generation - AES_256 encryption. -- XXX
            //
            //kp = kpg.GenerateKeyPair();
            rsa = RSA.Create(1024);

            keyRingGenerator = new PgpKeyRingGenerator(rsa, "fred", passPhrase /*, encAlgorithm: PgpSymmetricKeyAlgorithm.Aes256*/);

            secretKey = keyRingGenerator.GenerateSecretKeyRing().GetSecretKey();

            secretKey.ExtractPrivateKey(passPhrase);

            secretKey.Encode(new MemoryStream());

            //
            // secret key password changing.
            //
            const string newPass = "******";

            secretKey = PgpSecretKey.CopyWithNewPassword(secretKey, passPhrase, newPass);

            secretKey.ExtractPrivateKey(newPass);

            secretKey.Encode(new MemoryStream());

            key = new PgpPublicKey(secretKey);

            key.Encode(new MemoryStream());

            firstUserId = key.GetUserIds().FirstOrDefault();
            Assert.NotNull(firstUserId);
            Assert.AreEqual(1, firstUserId.SelfCertifications.Count);
            Assert.IsTrue(firstUserId.SelfCertifications[0].Verify());

            pgpPrivKey = secretKey.ExtractPrivateKey(newPass);

            //
            // signature generation
            //
            const string data = "hello world!";

            byte[]   dataBytes    = Encoding.ASCII.GetBytes(data);
            DateTime testDateTime = new DateTime(1973, 7, 27);

            bOut             = new MemoryStream();
            messageGenerator = new PgpMessageGenerator(bOut);
            using (var compressedGenerator = messageGenerator.CreateCompressed(PgpCompressionAlgorithm.Zip))
                using (var signingGenerator = compressedGenerator.CreateSigned(PgpSignatureType.BinaryDocument, pgpPrivKey, PgpHashAlgorithm.Sha1))
                    using (var literalStream = signingGenerator.CreateLiteral(PgpDataFormat.Binary, "_CONSOLE", testDateTime))
                    {
                        literalStream.Write(dataBytes);
                    }

            //
            // verify generated signature
            //
            bOut.Position     = 0;
            compressedMessage = (PgpCompressedMessage)PgpMessage.ReadMessage(bOut);
            signedMessage     = (PgpSignedMessage)compressedMessage.ReadMessage();
            literalMessage    = (PgpLiteralMessage)signedMessage.ReadMessage();
            Assert.AreEqual(testDateTime, literalMessage.ModificationTime);
            literalMessage.GetStream().CopyTo(Stream.Null);
            Assert.IsTrue(signedMessage.Verify(secretKey));

            //
            // signature generation - version 3
            //
            bOut             = new MemoryStream();
            messageGenerator = new PgpMessageGenerator(bOut);
            using (var compressedGenerator = messageGenerator.CreateCompressed(PgpCompressionAlgorithm.Zip))
                using (var signingGenerator = compressedGenerator.CreateSigned(PgpSignatureType.BinaryDocument, pgpPrivKey, PgpHashAlgorithm.Sha1, version: 3))
                    using (var literalStream = signingGenerator.CreateLiteral(PgpDataFormat.Binary, "_CONSOLE", testDateTime))
                    {
                        literalStream.Write(dataBytes);
                    }

            //
            // verify generated signature
            //
            bOut.Position     = 0;
            compressedMessage = (PgpCompressedMessage)PgpMessage.ReadMessage(bOut);
            signedMessage     = (PgpSignedMessage)compressedMessage.ReadMessage();
            literalMessage    = (PgpLiteralMessage)signedMessage.ReadMessage();
            Assert.AreEqual(testDateTime, literalMessage.ModificationTime);
            literalMessage.GetStream().CopyTo(Stream.Null);
            Assert.IsTrue(signedMessage.Verify(secretKey));

            //
            // extract PGP 8 private key
            //
            pgpPriv = new PgpSecretKeyRing(pgp8Key);

            secretKey = pgpPriv.GetSecretKey();

            pgpPrivKey = secretKey.ExtractPrivateKey(pgp8Pass);

            //
            // other sig tests
            //
            PerformTestSig(PgpHashAlgorithm.Sha256, secretKey, pgpPrivKey);
            PerformTestSig(PgpHashAlgorithm.Sha384, secretKey, pgpPrivKey);
            PerformTestSig(PgpHashAlgorithm.Sha512, secretKey, pgpPrivKey);
        }