public virtual byte[] GetEncoded() { MemoryStream memoryStream = new MemoryStream(); BcpgOutputStream bcpgOutputStream = new BcpgOutputStream(memoryStream); bcpgOutputStream.WriteObject(this); return(memoryStream.ToArray()); }
public override void Encode(BcpgOutputStream bcpgOut) { byte[] encoded = oid.GetEncoded(); bcpgOut.Write(encoded, 1, encoded.Length - 1); MPInteger bcpgObject = new MPInteger(point); bcpgOut.WriteObject(bcpgObject); }
public override void Encode(BcpgOutputStream bcpgOut) { MemoryStream memoryStream = new MemoryStream(); BcpgOutputStream bcpgOutputStream = new BcpgOutputStream(memoryStream); bcpgOutputStream.Write((byte)version, (byte)encAlgorithm); bcpgOutputStream.WriteObject(s2k); if (secKeyData != null && secKeyData.Length > 0) { bcpgOutputStream.Write(secKeyData); } bcpgOut.WritePacket(PacketTag.SymmetricKeyEncryptedSessionKey, memoryStream.ToArray(), oldFormat: true); }
public virtual byte[] GetEncodedContents() { MemoryStream memoryStream = new MemoryStream(); BcpgOutputStream bcpgOutputStream = new BcpgOutputStream(memoryStream); bcpgOutputStream.WriteByte((byte)version); bcpgOutputStream.WriteInt((int)time); if (version <= 3) { bcpgOutputStream.WriteShort((short)validDays); } bcpgOutputStream.WriteByte((byte)algorithm); bcpgOutputStream.WriteObject((BcpgObject)key); return(memoryStream.ToArray()); }
public byte[] GetEncodedContents() { MemoryStream memoryStream = new MemoryStream(); BcpgOutputStream bcpgOutputStream = new BcpgOutputStream(memoryStream); bcpgOutputStream.Write(pubKeyPacket.GetEncodedContents()); bcpgOutputStream.WriteByte((byte)s2kUsage); if (s2kUsage == 255 || s2kUsage == 254) { bcpgOutputStream.WriteByte((byte)encAlgorithm); bcpgOutputStream.WriteObject(s2k); } if (iv != null) { bcpgOutputStream.Write(iv); } if (secKeyData != null && secKeyData.Length > 0) { bcpgOutputStream.Write(secKeyData); } return(memoryStream.ToArray()); }
public byte[] GetSignatureBytes() { if (signatureEncoding != null) { return((byte[])signatureEncoding.Clone()); } MemoryStream memoryStream = new MemoryStream(); BcpgOutputStream bcpgOutputStream = new BcpgOutputStream(memoryStream); MPInteger[] array = signature; foreach (MPInteger bcpgObject in array) { try { bcpgOutputStream.WriteObject(bcpgObject); } catch (IOException arg) { throw new Exception("internal error: " + arg); } } return(memoryStream.ToArray()); }
internal PgpSecretKey( PgpPrivateKey privKey, PgpPublicKey pubKey, SymmetricKeyAlgorithmTag encAlgorithm, char[] passPhrase, bool useSha1, ISecureRandom rand, bool isMasterKey) { BcpgObject secKey; _pub = pubKey; switch (pubKey.Algorithm) { case PublicKeyAlgorithmTag.RsaEncrypt: case PublicKeyAlgorithmTag.RsaSign: case PublicKeyAlgorithmTag.RsaGeneral: var rsK = (RsaPrivateCrtKeyParameters)privKey.Key; secKey = new RsaSecretBcpgKey(rsK.Exponent, rsK.P, rsK.Q); break; case PublicKeyAlgorithmTag.Dsa: var dsK = (DsaPrivateKeyParameters)privKey.Key; secKey = new DsaSecretBcpgKey(dsK.X); break; case PublicKeyAlgorithmTag.ElGamalEncrypt: case PublicKeyAlgorithmTag.ElGamalGeneral: var esK = (ElGamalPrivateKeyParameters)privKey.Key; secKey = new ElGamalSecretBcpgKey(esK.X); break; case PublicKeyAlgorithmTag.Ecdh: case PublicKeyAlgorithmTag.Ecdsa: var ecK = (ECPrivateKeyParameters)privKey.Key; secKey = new ECSecretBcpgKey(ecK.D); break; default: throw new PgpException("unknown key class"); } try { using (var bOut = new MemoryStream()) { using (var pOut = new BcpgOutputStream(bOut)) { pOut.WriteObject(secKey); var keyData = bOut.ToArray(); var checksumBytes = Checksum(useSha1, keyData, keyData.Length); pOut.Write(checksumBytes); var bOutData = bOut.ToArray(); if (encAlgorithm == SymmetricKeyAlgorithmTag.Null) { this._secret = isMasterKey ? new SecretKeyPacket(_pub.PublicKeyPacket, encAlgorithm, null, null, bOutData) : new SecretSubkeyPacket(_pub.PublicKeyPacket, encAlgorithm, null, null, bOutData); } else { S2k s2K; byte[] iv; var encData = EncryptKeyData(bOutData, encAlgorithm, passPhrase, rand, out s2K, out iv); var s2KUsage = useSha1 ? SecretKeyPacket.UsageSha1 : SecretKeyPacket.UsageChecksum; this._secret = isMasterKey ? new SecretKeyPacket(_pub.PublicKeyPacket, encAlgorithm, s2KUsage, s2K, iv, encData) : new SecretSubkeyPacket(_pub.PublicKeyPacket, encAlgorithm, s2KUsage, s2K, iv, encData); } } } } catch (PgpException) { throw; } catch (Exception e) { throw new PgpException("Exception encrypting key", e); } }
internal PgpSecretKey( PgpPrivateKey privKey, PgpPublicKey pubKey, SymmetricKeyAlgorithmTag encAlgorithm, byte[] rawPassPhrase, bool clearPassPhrase, bool useSha1, SecureRandom rand, bool isMasterKey) { BcpgObject secKey; this.pub = pubKey; switch (pubKey.Algorithm) { case PublicKeyAlgorithmTag.RsaEncrypt: case PublicKeyAlgorithmTag.RsaSign: case PublicKeyAlgorithmTag.RsaGeneral: RsaPrivateCrtKeyParameters rsK = (RsaPrivateCrtKeyParameters) privKey.Key; secKey = new RsaSecretBcpgKey(rsK.Exponent, rsK.P, rsK.Q); break; case PublicKeyAlgorithmTag.Dsa: DsaPrivateKeyParameters dsK = (DsaPrivateKeyParameters) privKey.Key; secKey = new DsaSecretBcpgKey(dsK.X); break; case PublicKeyAlgorithmTag.ECDH: case PublicKeyAlgorithmTag.ECDsa: ECPrivateKeyParameters ecK = (ECPrivateKeyParameters)privKey.Key; secKey = new ECSecretBcpgKey(ecK.D); break; case PublicKeyAlgorithmTag.ElGamalEncrypt: case PublicKeyAlgorithmTag.ElGamalGeneral: ElGamalPrivateKeyParameters esK = (ElGamalPrivateKeyParameters) privKey.Key; secKey = new ElGamalSecretBcpgKey(esK.X); break; default: throw new PgpException("unknown key class"); } try { MemoryStream bOut = new MemoryStream(); BcpgOutputStream pOut = new BcpgOutputStream(bOut); pOut.WriteObject(secKey); byte[] keyData = bOut.ToArray(); byte[] checksumData = Checksum(useSha1, keyData, keyData.Length); keyData = Arrays.Concatenate(keyData, checksumData); if (encAlgorithm == SymmetricKeyAlgorithmTag.Null) { if (isMasterKey) { this.secret = new SecretKeyPacket(pub.publicPk, encAlgorithm, null, null, keyData); } else { this.secret = new SecretSubkeyPacket(pub.publicPk, encAlgorithm, null, null, keyData); } } else { S2k s2k; byte[] iv; byte[] encData; if (pub.Version >= 4) { encData = EncryptKeyDataV4(keyData, encAlgorithm, HashAlgorithmTag.Sha1, rawPassPhrase, clearPassPhrase, rand, out s2k, out iv); } else { encData = EncryptKeyDataV3(keyData, encAlgorithm, rawPassPhrase, clearPassPhrase, rand, out s2k, out iv); } int s2kUsage = useSha1 ? SecretKeyPacket.UsageSha1 : SecretKeyPacket.UsageChecksum; if (isMasterKey) { this.secret = new SecretKeyPacket(pub.publicPk, encAlgorithm, s2kUsage, s2k, iv, encData); } else { this.secret = new SecretSubkeyPacket(pub.publicPk, encAlgorithm, s2kUsage, s2k, iv, encData); } } } catch (PgpException e) { throw e; } catch (Exception e) { throw new PgpException("Exception encrypting key", e); } }
internal PgpSecretKey( PgpPrivateKey privKey, PgpPublicKey pubKey, SymmetricKeyAlgorithmTag encAlgorithm, char[] passPhrase, bool useSha1, SecureRandom rand, bool isMasterKey) { BcpgObject secKey; this.pub = pubKey; switch (pubKey.Algorithm) { case PublicKeyAlgorithmTag.RsaEncrypt: case PublicKeyAlgorithmTag.RsaSign: case PublicKeyAlgorithmTag.RsaGeneral: RsaPrivateCrtKeyParameters rsK = (RsaPrivateCrtKeyParameters)privKey.Key; secKey = new RsaSecretBcpgKey(rsK.Exponent, rsK.P, rsK.Q); break; case PublicKeyAlgorithmTag.Dsa: DsaPrivateKeyParameters dsK = (DsaPrivateKeyParameters)privKey.Key; secKey = new DsaSecretBcpgKey(dsK.X); break; case PublicKeyAlgorithmTag.ElGamalEncrypt: case PublicKeyAlgorithmTag.ElGamalGeneral: ElGamalPrivateKeyParameters esK = (ElGamalPrivateKeyParameters)privKey.Key; secKey = new ElGamalSecretBcpgKey(esK.X); break; default: throw new PgpException("unknown key class"); } try { MemoryStream bOut = new MemoryStream(); BcpgOutputStream pOut = new BcpgOutputStream(bOut); pOut.WriteObject(secKey); byte[] keyData = bOut.ToArray(); byte[] checksumData = Checksum(useSha1, keyData, keyData.Length); keyData = Arrays.Concatenate(keyData, checksumData); if (encAlgorithm == SymmetricKeyAlgorithmTag.Null) { if (isMasterKey) { this.secret = new SecretKeyPacket(pub.publicPk, encAlgorithm, null, null, keyData); } else { this.secret = new SecretSubkeyPacket(pub.publicPk, encAlgorithm, null, null, keyData); } } else { S2k s2k; byte[] iv; byte[] encData; if (pub.Version >= 4) { encData = EncryptKeyData(keyData, encAlgorithm, passPhrase, rand, out s2k, out iv); } else { // TODO v3 RSA key encryption throw Platform.CreateNotImplementedException("v3 RSA"); } int s2kUsage = useSha1 ? SecretKeyPacket.UsageSha1 : SecretKeyPacket.UsageChecksum; if (isMasterKey) { this.secret = new SecretKeyPacket(pub.publicPk, encAlgorithm, s2kUsage, s2k, iv, encData); } else { this.secret = new SecretSubkeyPacket(pub.publicPk, encAlgorithm, s2kUsage, s2k, iv, encData); } } } catch (PgpException e) { throw e; } catch (Exception e) { throw new PgpException("Exception encrypting key", e); } }
internal PgpSecretKey( PgpPrivateKey privKey, PgpPublicKey pubKey, SymmetricKeyAlgorithmTag encAlgorithm, char[] passPhrase, bool useSha1, ISecureRandom rand, bool isMasterKey) { BcpgObject secKey; _pub = pubKey; switch (pubKey.Algorithm) { case PublicKeyAlgorithmTag.RsaEncrypt: case PublicKeyAlgorithmTag.RsaSign: case PublicKeyAlgorithmTag.RsaGeneral: var rsK = (RsaPrivateCrtKeyParameters)privKey.Key; secKey = new RsaSecretBcpgKey(rsK.Exponent, rsK.P, rsK.Q); break; case PublicKeyAlgorithmTag.Dsa: var dsK = (DsaPrivateKeyParameters)privKey.Key; secKey = new DsaSecretBcpgKey(dsK.X); break; case PublicKeyAlgorithmTag.ElGamalEncrypt: case PublicKeyAlgorithmTag.ElGamalGeneral: var esK = (ElGamalPrivateKeyParameters)privKey.Key; secKey = new ElGamalSecretBcpgKey(esK.X); break; case PublicKeyAlgorithmTag.Ecdh: case PublicKeyAlgorithmTag.Ecdsa: var ecK = (ECPrivateKeyParameters)privKey.Key; secKey = new ECSecretBcpgKey(ecK.D); break; default: throw new PgpException("unknown key class"); } try { using (var bOut = new MemoryStream()) { using (var pOut = new BcpgOutputStream(bOut)) { pOut.WriteObject(secKey); var keyData = bOut.ToArray(); var checksumBytes = Checksum(useSha1, keyData, keyData.Length); pOut.Write(checksumBytes); var bOutData = bOut.ToArray(); if (encAlgorithm == SymmetricKeyAlgorithmTag.Null) { this._secret = isMasterKey ? new SecretKeyPacket(_pub.PublicKeyPacket, encAlgorithm, null, null, bOutData) : new SecretSubkeyPacket(_pub.PublicKeyPacket, encAlgorithm, null, null, bOutData); } else { S2k s2K; byte[] iv; var encData = EncryptKeyData(bOutData, encAlgorithm, passPhrase, rand, out s2K, out iv); var s2KUsage = useSha1 ? SecretKeyPacket.UsageSha1 : SecretKeyPacket.UsageChecksum; this._secret = isMasterKey ? new SecretKeyPacket(_pub.PublicKeyPacket, encAlgorithm, s2KUsage, s2K, iv, encData) : new SecretSubkeyPacket(_pub.PublicKeyPacket, encAlgorithm, s2KUsage, s2K, iv, encData); } } } } catch (PgpException) { throw; } catch (Exception e) { throw new PgpException("Exception encrypting key", e); } }
public override void Encode(BcpgOutputStream bcpgOut) { bcpgOut.WriteObject(x); }
internal PgpSecretKey( PgpKeyPair keyPair, SymmetricKeyAlgorithmTag encAlgorithm, char[] passPhrase, bool useSHA1, SecureRandom rand) { PublicKeyPacket pubPk = keyPair.PublicKey.publicPk; BcpgObject secKey; switch (keyPair.PublicKey.Algorithm) { case PublicKeyAlgorithmTag.RsaEncrypt: case PublicKeyAlgorithmTag.RsaSign: case PublicKeyAlgorithmTag.RsaGeneral: RsaPrivateCrtKeyParameters rsK = (RsaPrivateCrtKeyParameters) keyPair.PrivateKey.Key; secKey = new RsaSecretBcpgKey(rsK.Exponent, rsK.P, rsK.Q); break; case PublicKeyAlgorithmTag.Dsa: DsaPrivateKeyParameters dsK = (DsaPrivateKeyParameters) keyPair.PrivateKey.Key; secKey = new DsaSecretBcpgKey(dsK.X); break; case PublicKeyAlgorithmTag.ElGamalEncrypt: case PublicKeyAlgorithmTag.ElGamalGeneral: ElGamalPrivateKeyParameters esK = (ElGamalPrivateKeyParameters) keyPair.PrivateKey.Key; secKey = new ElGamalSecretBcpgKey(esK.X); break; default: throw new PgpException("unknown key class"); } string cName = PgpUtilities.GetSymmetricCipherName(encAlgorithm); IBufferedCipher c = null; if (cName != null) { try { c = CipherUtilities.GetCipher(cName + "/CFB/NoPadding"); } catch (Exception e) { throw new PgpException("Exception creating cipher", e); } } try { MemoryStream bOut = new MemoryStream(); BcpgOutputStream pOut = new BcpgOutputStream(bOut); pOut.WriteObject(secKey); byte[] keyData = bOut.ToArray(); byte[] checksumBytes = Checksum(useSHA1, keyData, keyData.Length); pOut.Write(checksumBytes); byte[] bOutData = bOut.ToArray(); if (c != null) { byte[] iv = new byte[8]; rand.NextBytes(iv); S2k s2k = new S2k(HashAlgorithmTag.Sha1, iv, 0x60); KeyParameter key = PgpUtilities.MakeKeyFromPassPhrase(encAlgorithm, s2k, passPhrase); iv = new byte[c.GetBlockSize()]; rand.NextBytes(iv); c.Init(true, new ParametersWithIV(key, iv)); byte[] encData = c.DoFinal(bOutData); int usage = useSHA1 ? SecretKeyPacket.UsageSha1 : SecretKeyPacket.UsageChecksum; this.secret = new SecretKeyPacket(pubPk, encAlgorithm, usage, s2k, iv, encData); } else { this.secret = new SecretKeyPacket(pubPk, encAlgorithm, null, null, bOutData); } this.trust = null; } catch (PgpException e) { throw e; } catch (Exception e) { throw new PgpException("Exception encrypting key", e); } this.keySigs = new ArrayList(); }
private static SecretKeyPacket buildSecretKeyPacket(bool isMasterKey, PgpPrivateKey privKey, PgpPublicKey pubKey, IPbeSecretKeyEncryptor keyEncryptor) { BcpgObject secKey = (BcpgObject)privKey.Key; if (secKey == null) { if (isMasterKey) { return(new SecretKeyPacket(pubKey.publicPk, SymmetricKeyAlgorithmTag.Null, null, null, new byte[0])); } else { return(new SecretSubkeyPacket(pubKey.publicPk, SymmetricKeyAlgorithmTag.Null, null, null, new byte[0])); } } try { MemoryOutputStream bOut = new MemoryOutputStream(); BcpgOutputStream pOut = new BcpgOutputStream(bOut); pOut.WriteObject(secKey); byte[] keyData = bOut.ToArray(); byte[] checkData = checksum(keyEncryptor.ChecksumCalculatorFactory, keyData, keyData.Length); pOut.Write(checkData, 0, checkData.Length); PgpPbeKeyEncryptionParameters encParams = keyEncryptor.AlgorithmDetails; SymmetricKeyAlgorithmTag encAlgorithm = (keyEncryptor != null) ? encParams.Algorithm : SymmetricKeyAlgorithmTag.Null; if (encAlgorithm != SymmetricKeyAlgorithmTag.Null) { keyData = bOut.ToArray(); // include checksum byte[] encData = keyEncryptor.Wrap(keyData).Collect(); byte[] iv = encParams.GetIV(); S2k s2k = encParams.S2k; int s2kUsage; if (keyEncryptor.ChecksumCalculatorFactory != null) { if (keyEncryptor.ChecksumCalculatorFactory.AlgorithmDetails.Algorithm != HashAlgorithmTag.Sha1) { throw new PgpException("only SHA1 supported for key checksum calculations."); } s2kUsage = SecretKeyPacket.UsageSha1; } else { s2kUsage = SecretKeyPacket.UsageChecksum; } if (isMasterKey) { return(new SecretKeyPacket(pubKey.publicPk, encAlgorithm, s2kUsage, s2k, iv, encData)); } else { return(new SecretSubkeyPacket(pubKey.publicPk, encAlgorithm, s2kUsage, s2k, iv, encData)); } } else { if (isMasterKey) { return(new SecretKeyPacket(pubKey.publicPk, encAlgorithm, null, null, bOut.ToArray())); } else { return(new SecretSubkeyPacket(pubKey.publicPk, encAlgorithm, null, null, bOut.ToArray())); } } } catch (PgpException e) { throw e; } catch (Exception e) { throw new PgpException("Exception encrypting key", e); } }
internal PgpSecretKey( PgpKeyPair keyPair, SymmetricKeyAlgorithmTag encAlgorithm, char[] passPhrase, bool useSHA1, SecureRandom rand) { PublicKeyPacket pubPk = keyPair.PublicKey.publicPk; BcpgObject secKey; switch (keyPair.PublicKey.Algorithm) { case PublicKeyAlgorithmTag.RsaEncrypt: case PublicKeyAlgorithmTag.RsaSign: case PublicKeyAlgorithmTag.RsaGeneral: RsaPrivateCrtKeyParameters rsK = (RsaPrivateCrtKeyParameters)keyPair.PrivateKey.Key; secKey = new RsaSecretBcpgKey(rsK.Exponent, rsK.P, rsK.Q); break; case PublicKeyAlgorithmTag.Dsa: DsaPrivateKeyParameters dsK = (DsaPrivateKeyParameters)keyPair.PrivateKey.Key; secKey = new DsaSecretBcpgKey(dsK.X); break; case PublicKeyAlgorithmTag.ElGamalEncrypt: case PublicKeyAlgorithmTag.ElGamalGeneral: ElGamalPrivateKeyParameters esK = (ElGamalPrivateKeyParameters)keyPair.PrivateKey.Key; secKey = new ElGamalSecretBcpgKey(esK.X); break; default: throw new PgpException("unknown key class"); } string cName = PgpUtilities.GetSymmetricCipherName(encAlgorithm); IBufferedCipher c = null; if (cName != null) { try { c = CipherUtilities.GetCipher(cName + "/CFB/NoPadding"); } catch (Exception e) { throw new PgpException("Exception creating cipher", e); } } try { MemoryStream bOut = new MemoryStream(); BcpgOutputStream pOut = new BcpgOutputStream(bOut); pOut.WriteObject(secKey); byte[] keyData = bOut.ToArray(); byte[] checksumBytes = Checksum(useSHA1, keyData, keyData.Length); pOut.Write(checksumBytes); byte[] bOutData = bOut.ToArray(); if (c != null) { byte[] iv = new byte[8]; rand.NextBytes(iv); S2k s2k = new S2k(HashAlgorithmTag.Sha1, iv, 0x60); KeyParameter key = PgpUtilities.MakeKeyFromPassPhrase(encAlgorithm, s2k, passPhrase); iv = new byte[c.GetBlockSize()]; rand.NextBytes(iv); c.Init(true, new ParametersWithIV(key, iv)); byte[] encData = c.DoFinal(bOutData); int usage = useSHA1 ? SecretKeyPacket.UsageSha1 : SecretKeyPacket.UsageChecksum; this.secret = new SecretKeyPacket(pubPk, encAlgorithm, usage, s2k, iv, encData); } else { this.secret = new SecretKeyPacket(pubPk, encAlgorithm, null, null, bOutData); } this.trust = null; } catch (PgpException e) { throw e; } catch (Exception e) { throw new PgpException("Exception encrypting key", e); } this.keySigs = new ArrayList(); }
internal PgpSecretKey(PgpPrivateKey privKey, PgpPublicKey pubKey, SymmetricKeyAlgorithmTag encAlgorithm, byte[] rawPassPhrase, bool clearPassPhrase, bool useSha1, SecureRandom rand, bool isMasterKey) { //IL_00cb: Unknown result type (might be due to invalid IL or missing references) //IL_00d2: Expected O, but got Unknown pub = pubKey; BcpgObject bcpgObject; switch (pubKey.Algorithm) { case PublicKeyAlgorithmTag.RsaGeneral: case PublicKeyAlgorithmTag.RsaEncrypt: case PublicKeyAlgorithmTag.RsaSign: { RsaPrivateCrtKeyParameters rsaPrivateCrtKeyParameters = (RsaPrivateCrtKeyParameters)privKey.Key; bcpgObject = new RsaSecretBcpgKey(rsaPrivateCrtKeyParameters.Exponent, rsaPrivateCrtKeyParameters.P, rsaPrivateCrtKeyParameters.Q); break; } case PublicKeyAlgorithmTag.Dsa: { DsaPrivateKeyParameters dsaPrivateKeyParameters = (DsaPrivateKeyParameters)privKey.Key; bcpgObject = new DsaSecretBcpgKey(dsaPrivateKeyParameters.X); break; } case PublicKeyAlgorithmTag.EC: case PublicKeyAlgorithmTag.ECDsa: { ECPrivateKeyParameters eCPrivateKeyParameters = (ECPrivateKeyParameters)privKey.Key; bcpgObject = new ECSecretBcpgKey(eCPrivateKeyParameters.D); break; } case PublicKeyAlgorithmTag.ElGamalEncrypt: case PublicKeyAlgorithmTag.ElGamalGeneral: { ElGamalPrivateKeyParameters elGamalPrivateKeyParameters = (ElGamalPrivateKeyParameters)privKey.Key; bcpgObject = new ElGamalSecretBcpgKey(elGamalPrivateKeyParameters.X); break; } default: throw new PgpException("unknown key class"); } try { MemoryStream val = new MemoryStream(); BcpgOutputStream bcpgOutputStream = new BcpgOutputStream((Stream)(object)val); bcpgOutputStream.WriteObject(bcpgObject); byte[] array = val.ToArray(); byte[] b = Checksum(useSha1, array, array.Length); array = Arrays.Concatenate(array, b); if (encAlgorithm == SymmetricKeyAlgorithmTag.Null) { if (isMasterKey) { secret = new SecretKeyPacket(pub.publicPk, encAlgorithm, null, null, array); } else { secret = new SecretSubkeyPacket(pub.publicPk, encAlgorithm, null, null, array); } return; } S2k s2k; byte[] iv; byte[] secKeyData = ((pub.Version < 4) ? EncryptKeyDataV3(array, encAlgorithm, rawPassPhrase, clearPassPhrase, rand, out s2k, out iv) : EncryptKeyDataV4(array, encAlgorithm, HashAlgorithmTag.Sha1, rawPassPhrase, clearPassPhrase, rand, out s2k, out iv)); int s2kUsage = (useSha1 ? 254 : 255); if (isMasterKey) { secret = new SecretKeyPacket(pub.publicPk, encAlgorithm, s2kUsage, s2k, iv, secKeyData); } else { secret = new SecretSubkeyPacket(pub.publicPk, encAlgorithm, s2kUsage, s2k, iv, secKeyData); } } catch (PgpException ex) { throw ex; } catch (global::System.Exception exception) { throw new PgpException("Exception encrypting key", exception); } }