public static byte[] CreateKey(PublicKeyPacket pubKeyData, ECPoint s)
{
byte[] parameters = CreateUserKeyingMaterial(pubKeyData);
ECDHPublicBcpgKey eCDHPublicBcpgKey = (ECDHPublicBcpgKey)pubKeyData.Key;
return(Kdf(eCDHPublicBcpgKey.HashAlgorithm, s, GetKeyLength(eCDHPublicBcpgKey.SymmetricKeyAlgorithm), parameters));
}
/// <summary>
/// Create a PgpPublicKey from the passed in lightweight one.
/// </summary>
/// <remarks>
/// Note: the time passed in affects the value of the key's keyId, so you probably only want
/// to do this once for a lightweight key, or make sure you keep track of the time you used.
/// </remarks>
/// <param name="algorithm">Asymmetric algorithm type representing the public key.</param>
/// <param name="pubKey">Actual public key to associate.</param>
/// <param name="time">Date of creation.</param>
/// <exception cref="ArgumentException">If <c>pubKey</c> is not public.</exception>
/// <exception cref="PgpException">On key creation problem.</exception>
public PgpPublicKey(PublicKeyAlgorithmTag algorithm, IAsymmetricKeyParameter pubKey, DateTime time)
{
if (pubKey.IsPrivate)
{
throw new ArgumentException(@"Expected a public key", "pubKey");
}
IBcpgPublicKey bcpgKey;
if (pubKey is RsaKeyParameters)
{
var rK = (RsaKeyParameters)pubKey;
bcpgKey = new RsaPublicBcpgKey(rK.Modulus, rK.Exponent);
}
else if (pubKey is DsaPublicKeyParameters)
{
var dK = (DsaPublicKeyParameters)pubKey;
var dP = dK.Parameters;
bcpgKey = new DsaPublicBcpgKey(dP.P, dP.Q, dP.G, dK.Y);
}
else if (pubKey is ElGamalPublicKeyParameters)
{
var eK = (ElGamalPublicKeyParameters)pubKey;
var eS = eK.Parameters;
bcpgKey = new ElGamalPublicBcpgKey(eS.P, eS.G, eK.Y);
}
else if (pubKey is ECDHPublicKeyParameters)
{
var ecdh = (ECDHPublicKeyParameters)pubKey;
bcpgKey = new ECDHPublicBcpgKey(ecdh.Q, ecdh.PublicKeyParamSet, ecdh.HashAlgorithm, ecdh.SymmetricKeyAlgorithm);
}
else if (pubKey is ECPublicKeyParameters)
{
var ecdsa = (ECPublicKeyParameters)pubKey;
bcpgKey = new ECDSAPublicBcpgKey(ecdsa.Q, ecdsa.PublicKeyParamSet);
}
else
{
throw new PgpException("unknown key class");
}
_publicPk = new PublicKeyPacket(algorithm, time, bcpgKey);
_ids = Platform.CreateArrayList();
_idSigs = Platform.CreateArrayList <IList <IPgpSignature> >();
try
{
Init();
}
catch (IOException e)
{
throw new PgpException("exception calculating keyId", e);
}
}
/// <summary>
/// Create a PgpPublicKey from the passed in lightweight one.
/// </summary>
/// <remarks>
/// Note: the time passed in affects the value of the key's keyId, so you probably only want
/// to do this once for a lightweight key, or make sure you keep track of the time you used.
/// </remarks>
/// <param name="algorithm">Asymmetric algorithm type representing the public key.</param>
/// <param name="pubKey">Actual public key to associate.</param>
/// <param name="time">Date of creation.</param>
/// <exception cref="ArgumentException">If <c>pubKey</c> is not public.</exception>
/// <exception cref="PgpException">On key creation problem.</exception>
public PgpPublicKey(PublicKeyAlgorithmTag algorithm, IAsymmetricKeyParameter pubKey, DateTime time)
{
if (pubKey.IsPrivate)
throw new ArgumentException(@"Expected a public key", "pubKey");
IBcpgPublicKey bcpgKey;
if (pubKey is RsaKeyParameters)
{
var rK = (RsaKeyParameters)pubKey;
bcpgKey = new RsaPublicBcpgKey(rK.Modulus, rK.Exponent);
}
else if (pubKey is DsaPublicKeyParameters)
{
var dK = (DsaPublicKeyParameters)pubKey;
var dP = dK.Parameters;
bcpgKey = new DsaPublicBcpgKey(dP.P, dP.Q, dP.G, dK.Y);
}
else if (pubKey is ElGamalPublicKeyParameters)
{
var eK = (ElGamalPublicKeyParameters)pubKey;
var eS = eK.Parameters;
bcpgKey = new ElGamalPublicBcpgKey(eS.P, eS.G, eK.Y);
}
else if (pubKey is ECDHPublicKeyParameters)
{
var ecdh = (ECDHPublicKeyParameters)pubKey;
bcpgKey = new ECDHPublicBcpgKey(ecdh.Q, ecdh.PublicKeyParamSet, ecdh.HashAlgorithm, ecdh.SymmetricKeyAlgorithm);
}
else if (pubKey is ECPublicKeyParameters)
{
var ecdsa = (ECPublicKeyParameters)pubKey;
bcpgKey = new ECDSAPublicBcpgKey(ecdsa.Q, ecdsa.PublicKeyParamSet);
}
else
{
throw new PgpException("unknown key class");
}
_publicPk = new PublicKeyPacket(algorithm, time, bcpgKey);
_ids = Platform.CreateArrayList();
_idSigs = Platform.CreateArrayList<IList<IPgpSignature>>();
try
{
Init();
}
catch (IOException e)
{
throw new PgpException("exception calculating keyId", e);
}
}
private byte[] EncryptSessionInfo(byte[] sessionInfo, SecureRandom random)
{
if (pubKey.Algorithm != PublicKeyAlgorithmTag.EC)
{
IBufferedCipher cipher;
switch (pubKey.Algorithm)
{
case PublicKeyAlgorithmTag.RsaGeneral:
case PublicKeyAlgorithmTag.RsaEncrypt:
cipher = CipherUtilities.GetCipher("RSA//PKCS1Padding");
break;
case PublicKeyAlgorithmTag.ElGamalEncrypt:
case PublicKeyAlgorithmTag.ElGamalGeneral:
cipher = CipherUtilities.GetCipher("ElGamal/ECB/PKCS1Padding");
break;
case PublicKeyAlgorithmTag.Dsa:
throw new PgpException("Can't use DSA for encryption.");
case PublicKeyAlgorithmTag.ECDsa:
throw new PgpException("Can't use ECDSA for encryption.");
default:
throw new PgpException(string.Concat((object)"unknown asymmetric algorithm: ", (object)pubKey.Algorithm));
}
AsymmetricKeyParameter parameters = pubKey.GetKey();
cipher.Init(forEncryption: true, new ParametersWithRandom(parameters, random));
return(cipher.DoFinal(sessionInfo));
}
ECDHPublicBcpgKey eCDHPublicBcpgKey = (ECDHPublicBcpgKey)pubKey.PublicKeyPacket.Key;
IAsymmetricCipherKeyPairGenerator keyPairGenerator = GeneratorUtilities.GetKeyPairGenerator("ECDH");
keyPairGenerator.Init(new ECKeyGenerationParameters(eCDHPublicBcpgKey.CurveOid, random));
AsymmetricCipherKeyPair asymmetricCipherKeyPair = keyPairGenerator.GenerateKeyPair();
ECPrivateKeyParameters eCPrivateKeyParameters = (ECPrivateKeyParameters)asymmetricCipherKeyPair.Private;
ECPublicKeyParameters eCPublicKeyParameters = (ECPublicKeyParameters)asymmetricCipherKeyPair.Public;
ECPublicKeyParameters eCPublicKeyParameters2 = (ECPublicKeyParameters)pubKey.GetKey();
ECPoint s = eCPublicKeyParameters2.Q.Multiply(eCPrivateKeyParameters.D).Normalize();
KeyParameter parameters2 = new KeyParameter(Rfc6637Utilities.CreateKey(pubKey.PublicKeyPacket, s));
IWrapper wrapper = PgpUtilities.CreateWrapper(eCDHPublicBcpgKey.SymmetricKeyAlgorithm);
wrapper.Init(forWrapping: true, new ParametersWithRandom(parameters2, random));
byte[] array = PgpPad.PadSessionData(sessionInfo);
byte[] array2 = wrapper.Wrap(array, 0, array.Length);
byte[] encoded = new MPInteger(new BigInteger(1, eCPublicKeyParameters.Q.GetEncoded(compressed: false))).GetEncoded();
byte[] array3 = new byte[encoded.Length + 1 + array2.Length];
global::System.Array.Copy((global::System.Array)encoded, 0, (global::System.Array)array3, 0, encoded.Length);
array3[encoded.Length] = (byte)array2.Length;
global::System.Array.Copy((global::System.Array)array2, 0, (global::System.Array)array3, encoded.Length + 1, array2.Length);
return(array3);
}
private byte[] RecoverSessionData(PgpPrivateKey privKey)
{
byte[][] encSessionKey = keyData.GetEncSessionKey();
if (keyData.Algorithm == PublicKeyAlgorithmTag.EC)
{
ECDHPublicBcpgKey eCDHPublicBcpgKey = (ECDHPublicBcpgKey)privKey.PublicKeyPacket.Key;
X9ECParameters x9ECParameters = ECKeyPairGenerator.FindECCurveByOid(eCDHPublicBcpgKey.CurveOid);
byte[] array = encSessionKey[0];
int num = (((array[0] & 0xFF) << 8) + (array[1] & 0xFF) + 7) / 8;
byte[] array2 = new byte[num];
global::System.Array.Copy((global::System.Array)array, 2, (global::System.Array)array2, 0, num);
byte[] array3 = new byte[array[num + 2]];
global::System.Array.Copy((global::System.Array)array, 2 + num + 1, (global::System.Array)array3, 0, array3.Length);
ECPoint eCPoint = x9ECParameters.Curve.DecodePoint(array2);
ECPrivateKeyParameters eCPrivateKeyParameters = (ECPrivateKeyParameters)privKey.Key;
ECPoint s = eCPoint.Multiply(eCPrivateKeyParameters.D).Normalize();
KeyParameter parameters = new KeyParameter(Rfc6637Utilities.CreateKey(privKey.PublicKeyPacket, s));
IWrapper wrapper = PgpUtilities.CreateWrapper(eCDHPublicBcpgKey.SymmetricKeyAlgorithm);
wrapper.Init(forWrapping: false, parameters);
return(PgpPad.UnpadSessionData(wrapper.Unwrap(array3, 0, array3.Length)));
}
IBufferedCipher keyCipher = GetKeyCipher(keyData.Algorithm);
try
{
keyCipher.Init(forEncryption: false, privKey.Key);
}
catch (InvalidKeyException exception)
{
throw new PgpException("error setting asymmetric cipher", exception);
}
if (keyData.Algorithm == PublicKeyAlgorithmTag.RsaEncrypt || keyData.Algorithm == PublicKeyAlgorithmTag.RsaGeneral)
{
byte[] array4 = encSessionKey[0];
keyCipher.ProcessBytes(array4, 2, array4.Length - 2);
}
else
{
ElGamalPrivateKeyParameters elGamalPrivateKeyParameters = (ElGamalPrivateKeyParameters)privKey.Key;
int size = (elGamalPrivateKeyParameters.Parameters.P.BitLength + 7) / 8;
ProcessEncodedMpi(keyCipher, size, encSessionKey[0]);
ProcessEncodedMpi(keyCipher, size, encSessionKey[1]);
}
try
{
return(keyCipher.DoFinal());
}
catch (global::System.Exception exception2)
{
throw new PgpException("exception decrypting secret key", exception2);
}
}
public static byte[] CreateUserKeyingMaterial(PublicKeyPacket pubKeyData)
{
MemoryStream memoryStream = new MemoryStream();
ECDHPublicBcpgKey eCDHPublicBcpgKey = (ECDHPublicBcpgKey)pubKeyData.Key;
byte[] encoded = eCDHPublicBcpgKey.CurveOid.GetEncoded();
memoryStream.Write(encoded, 1, encoded.Length - 1);
memoryStream.WriteByte((byte)pubKeyData.Algorithm);
memoryStream.WriteByte(3);
memoryStream.WriteByte(1);
memoryStream.WriteByte((byte)eCDHPublicBcpgKey.HashAlgorithm);
memoryStream.WriteByte((byte)eCDHPublicBcpgKey.SymmetricKeyAlgorithm);
memoryStream.Write(ANONYMOUS_SENDER, 0, ANONYMOUS_SENDER.Length);
byte[] array = PgpPublicKey.CalculateFingerprint(pubKeyData);
memoryStream.Write(array, 0, array.Length);
return(memoryStream.ToArray());
}
public static string GetAgreementAlgorithm(PublicKeyPacket pubKeyData)
{
ECDHPublicBcpgKey ecKey = (ECDHPublicBcpgKey)pubKeyData.Key;
switch (ecKey.HashAlgorithm)
{
case HashAlgorithmTag.Sha256:
return("ECCDHwithSHA256CKDF");
case HashAlgorithmTag.Sha384:
return("ECCDHwithSHA384CKDF");
case HashAlgorithmTag.Sha512:
return("ECCDHwithSHA512CKDF");
default:
throw new ArgumentException("Unknown hash algorithm specified: " + ecKey.HashAlgorithm);
}
}
public static byte[] CreateUserKeyingMaterial(PublicKeyPacket pubKeyData)
{
//IL_0000: Unknown result type (might be due to invalid IL or missing references)
//IL_0006: Expected O, but got Unknown
MemoryStream val = new MemoryStream();
ECDHPublicBcpgKey eCDHPublicBcpgKey = (ECDHPublicBcpgKey)pubKeyData.Key;
byte[] encoded = eCDHPublicBcpgKey.CurveOid.GetEncoded();
((Stream)val).Write(encoded, 1, encoded.Length - 1);
((Stream)val).WriteByte((byte)pubKeyData.Algorithm);
((Stream)val).WriteByte((byte)3);
((Stream)val).WriteByte((byte)1);
((Stream)val).WriteByte((byte)eCDHPublicBcpgKey.HashAlgorithm);
((Stream)val).WriteByte((byte)eCDHPublicBcpgKey.SymmetricKeyAlgorithm);
((Stream)val).Write(ANONYMOUS_SENDER, 0, ANONYMOUS_SENDER.Length);
byte[] array = PgpPublicKey.CalculateFingerprint(pubKeyData);
((Stream)val).Write(array, 0, array.Length);
return(val.ToArray());
}
// RFC 6637 - Section 8
// curve_OID_len = (byte)len(curve_OID);
// Param = curve_OID_len || curve_OID || public_key_alg_ID || 03
// || 01 || KDF_hash_ID || KEK_alg_ID for AESKeyWrap || "Anonymous
// Sender " || recipient_fingerprint;
// Z_len = the key size for the KEK_alg_ID used with AESKeyWrap
// Compute Z = KDF( S, Z_len, Param );
public static byte[] CreateUserKeyingMaterial(PublicKeyPacket pubKeyData)
{
MemoryStream pOut = new MemoryStream();
ECDHPublicBcpgKey ecKey = (ECDHPublicBcpgKey)pubKeyData.Key;
byte[] encOid = ecKey.CurveOid.GetEncoded();
pOut.Write(encOid, 1, encOid.Length - 1);
pOut.WriteByte((byte)pubKeyData.Algorithm);
pOut.WriteByte(0x03);
pOut.WriteByte(0x01);
pOut.WriteByte((byte)ecKey.HashAlgorithm);
pOut.WriteByte((byte)ecKey.SymmetricKeyAlgorithm);
pOut.Write(ANONYMOUS_SENDER, 0, ANONYMOUS_SENDER.Length);
byte[] fingerprint = PgpPublicKey.CalculateFingerprint(pubKeyData);
pOut.Write(fingerprint, 0, fingerprint.Length);
return(pOut.ToArray());
}
public static string GetAgreementAlgorithm(PublicKeyPacket pubKeyData)
{
//IL_0050: Unknown result type (might be due to invalid IL or missing references)
ECDHPublicBcpgKey eCDHPublicBcpgKey = (ECDHPublicBcpgKey)pubKeyData.Key;
switch (eCDHPublicBcpgKey.HashAlgorithm)
{
case HashAlgorithmTag.Sha256:
return("ECCDHwithSHA256CKDF");
case HashAlgorithmTag.Sha384:
return("ECCDHwithSHA384CKDF");
case HashAlgorithmTag.Sha512:
return("ECCDHwithSHA512CKDF");
default:
throw new ArgumentException(string.Concat((object)"Unknown hash algorithm specified: ", (object)eCDHPublicBcpgKey.HashAlgorithm));
}
}
/// <summary>
/// Create a PgpPublicKey from the passed in lightweight one.
/// </summary>
/// <remarks>
/// Note: the time passed in affects the value of the key's keyId, so you probably only want
/// to do this once for a lightweight key, or make sure you keep track of the time you used.
/// </remarks>
/// <param name="algorithm">Asymmetric algorithm type representing the public key.</param>
/// <param name="pubKey">Actual public key to associate.</param>
/// <param name="time">Date of creation.</param>
/// <exception cref="ArgumentException">If <c>pubKey</c> is not public.</exception>
/// <exception cref="PgpException">On key creation problem.</exception>
public PgpPublicKey(
PublicKeyAlgorithmTag algorithm,
AsymmetricKeyParameter pubKey,
DateTime time)
{
if (pubKey.IsPrivate)
{
throw new ArgumentException("Expected a public key", "pubKey");
}
IBcpgKey bcpgKey;
if (pubKey is RsaKeyParameters)
{
RsaKeyParameters rK = (RsaKeyParameters)pubKey;
bcpgKey = new RsaPublicBcpgKey(rK.Modulus, rK.Exponent);
}
else if (pubKey is DsaPublicKeyParameters)
{
DsaPublicKeyParameters dK = (DsaPublicKeyParameters)pubKey;
DsaParameters dP = dK.Parameters;
bcpgKey = new DsaPublicBcpgKey(dP.P, dP.Q, dP.G, dK.Y);
}
else if (pubKey is ECPublicKeyParameters)
{
ECPublicKeyParameters ecK = (ECPublicKeyParameters)pubKey;
if (algorithm == PublicKeyAlgorithmTag.ECDH)
{
bcpgKey = new ECDHPublicBcpgKey(ecK.PublicKeyParamSet, ecK.Q, HashAlgorithmTag.Sha256, SymmetricKeyAlgorithmTag.Aes128);
}
else if (algorithm == PublicKeyAlgorithmTag.ECDsa)
{
bcpgKey = new ECDsaPublicBcpgKey(ecK.PublicKeyParamSet, ecK.Q);
}
else
{
throw new PgpException("unknown EC algorithm");
}
}
else if (pubKey is ElGamalPublicKeyParameters)
{
ElGamalPublicKeyParameters eK = (ElGamalPublicKeyParameters)pubKey;
ElGamalParameters eS = eK.Parameters;
bcpgKey = new ElGamalPublicBcpgKey(eS.P, eS.G, eK.Y);
}
else
{
throw new PgpException("unknown key class");
}
this.publicPk = new PublicKeyPacket(algorithm, time, bcpgKey);
this.ids = Platform.CreateArrayList();
this.idSigs = Platform.CreateArrayList();
try
{
Init();
}
catch (IOException e)
{
throw new PgpException("exception calculating keyId", e);
}
}
private byte[] EncryptSessionInfo(byte[] sessionInfo, SecureRandom random)
{
if (pubKey.Algorithm != PublicKeyAlgorithmTag.ECDH)
{
IBufferedCipher c;
switch (pubKey.Algorithm)
{
case PublicKeyAlgorithmTag.RsaEncrypt:
case PublicKeyAlgorithmTag.RsaGeneral:
c = CipherUtilities.GetCipher("RSA//PKCS1Padding");
break;
case PublicKeyAlgorithmTag.ElGamalEncrypt:
case PublicKeyAlgorithmTag.ElGamalGeneral:
c = CipherUtilities.GetCipher("ElGamal/ECB/PKCS1Padding");
break;
case PublicKeyAlgorithmTag.Dsa:
throw new PgpException("Can't use DSA for encryption.");
case PublicKeyAlgorithmTag.ECDsa:
throw new PgpException("Can't use ECDSA for encryption.");
default:
throw new PgpException("unknown asymmetric algorithm: " + pubKey.Algorithm);
}
AsymmetricKeyParameter akp = pubKey.GetKey();
c.Init(true, new ParametersWithRandom(akp, random));
return(c.DoFinal(sessionInfo));
}
ECDHPublicBcpgKey ecKey = (ECDHPublicBcpgKey)pubKey.PublicKeyPacket.Key;
// Generate the ephemeral key pair
IAsymmetricCipherKeyPairGenerator gen = GeneratorUtilities.GetKeyPairGenerator("ECDH");
gen.Init(new ECKeyGenerationParameters(ecKey.CurveOid, random));
AsymmetricCipherKeyPair ephKp = gen.GenerateKeyPair();
ECPrivateKeyParameters ephPriv = (ECPrivateKeyParameters)ephKp.Private;
ECPublicKeyParameters ephPub = (ECPublicKeyParameters)ephKp.Public;
ECPublicKeyParameters pub = (ECPublicKeyParameters)pubKey.GetKey();
ECPoint S = pub.Q.Multiply(ephPriv.D).Normalize();
KeyParameter key = new KeyParameter(Rfc6637Utilities.CreateKey(pubKey.PublicKeyPacket, S));
IWrapper w = PgpUtilities.CreateWrapper(ecKey.SymmetricKeyAlgorithm);
w.Init(true, new ParametersWithRandom(key, random));
byte[] paddedSessionData = PgpPad.PadSessionData(sessionInfo);
byte[] C = w.Wrap(paddedSessionData, 0, paddedSessionData.Length);
byte[] VB = new MPInteger(new BigInteger(1, ephPub.Q.GetEncoded(false))).GetEncoded();
byte[] rv = new byte[VB.Length + 1 + C.Length];
Array.Copy(VB, 0, rv, 0, VB.Length);
rv[VB.Length] = (byte)C.Length;
Array.Copy(C, 0, rv, VB.Length + 1, C.Length);
return(rv);
}
private byte[] RecoverSessionData(PgpPrivateKey privKey)
{
byte[][] secKeyData = keyData.GetEncSessionKey();
if (keyData.Algorithm == PublicKeyAlgorithmTag.ECDH)
{
ECDHPublicBcpgKey ecKey = (ECDHPublicBcpgKey)privKey.PublicKeyPacket.Key;
X9ECParameters x9Params = ECKeyPairGenerator.FindECCurveByOid(ecKey.CurveOid);
byte[] enc = secKeyData[0];
int pLen = ((((enc[0] & 0xff) << 8) + (enc[1] & 0xff)) + 7) / 8;
byte[] pEnc = new byte[pLen];
Array.Copy(enc, 2, pEnc, 0, pLen);
byte[] keyEnc = new byte[enc[pLen + 2]];
Array.Copy(enc, 2 + pLen + 1, keyEnc, 0, keyEnc.Length);
ECPoint publicPoint = x9Params.Curve.DecodePoint(pEnc);
ECPrivateKeyParameters privKeyParams = (ECPrivateKeyParameters)privKey.Key;
ECPoint S = publicPoint.Multiply(privKeyParams.D).Normalize();
KeyParameter key = new KeyParameter(Rfc6637Utilities.CreateKey(privKey.PublicKeyPacket, S));
IWrapper w = PgpUtilities.CreateWrapper(ecKey.SymmetricKeyAlgorithm);
w.Init(false, key);
return(PgpPad.UnpadSessionData(w.Unwrap(keyEnc, 0, keyEnc.Length)));
}
IBufferedCipher cipher = GetKeyCipher(keyData.Algorithm);
try
{
cipher.Init(false, privKey.Key);
}
catch (InvalidKeyException e)
{
throw new PgpException("error setting asymmetric cipher", e);
}
if (keyData.Algorithm == PublicKeyAlgorithmTag.RsaEncrypt ||
keyData.Algorithm == PublicKeyAlgorithmTag.RsaGeneral)
{
byte[] bi = secKeyData[0];
cipher.ProcessBytes(bi, 2, bi.Length - 2);
}
else
{
ElGamalPrivateKeyParameters k = (ElGamalPrivateKeyParameters)privKey.Key;
int size = (k.Parameters.P.BitLength + 7) / 8;
ProcessEncodedMpi(cipher, size, secKeyData[0]);
ProcessEncodedMpi(cipher, size, secKeyData[1]);
}
try
{
return(cipher.DoFinal());
}
catch (Exception e)
{
throw new PgpException("exception decrypting secret key", e);
}
}
public PgpPublicKey(PublicKeyAlgorithmTag algorithm, AsymmetricKeyParameter pubKey, global::System.DateTime time)
{
//IL_0044: Unknown result type (might be due to invalid IL or missing references)
//IL_016b: Expected O, but got Unknown
if (pubKey.IsPrivate)
{
throw new ArgumentException("Expected a public key", "pubKey");
}
IBcpgKey key;
if (pubKey is RsaKeyParameters)
{
RsaKeyParameters rsaKeyParameters = (RsaKeyParameters)pubKey;
key = new RsaPublicBcpgKey(rsaKeyParameters.Modulus, rsaKeyParameters.Exponent);
}
else if (pubKey is DsaPublicKeyParameters)
{
DsaPublicKeyParameters dsaPublicKeyParameters = (DsaPublicKeyParameters)pubKey;
DsaParameters parameters = dsaPublicKeyParameters.Parameters;
key = new DsaPublicBcpgKey(parameters.P, parameters.Q, parameters.G, dsaPublicKeyParameters.Y);
}
else if (pubKey is ECPublicKeyParameters)
{
ECPublicKeyParameters eCPublicKeyParameters = (ECPublicKeyParameters)pubKey;
switch (algorithm)
{
case PublicKeyAlgorithmTag.EC:
key = new ECDHPublicBcpgKey(eCPublicKeyParameters.PublicKeyParamSet, eCPublicKeyParameters.Q, HashAlgorithmTag.Sha256, SymmetricKeyAlgorithmTag.Aes128);
break;
case PublicKeyAlgorithmTag.ECDsa:
key = new ECDsaPublicBcpgKey(eCPublicKeyParameters.PublicKeyParamSet, eCPublicKeyParameters.Q);
break;
default:
throw new PgpException("unknown EC algorithm");
}
}
else
{
if (!(pubKey is ElGamalPublicKeyParameters))
{
throw new PgpException("unknown key class");
}
ElGamalPublicKeyParameters elGamalPublicKeyParameters = (ElGamalPublicKeyParameters)pubKey;
ElGamalParameters parameters2 = elGamalPublicKeyParameters.Parameters;
key = new ElGamalPublicBcpgKey(parameters2.P, parameters2.G, elGamalPublicKeyParameters.Y);
}
publicPk = new PublicKeyPacket(algorithm, time, key);
ids = Platform.CreateArrayList();
idSigs = Platform.CreateArrayList();
try
{
Init();
}
catch (IOException val)
{
IOException exception = val;
throw new PgpException("exception calculating keyId", (global::System.Exception)(object) exception);
}
}
/// <summary>
/// Create a PgpPublicKey from the passed in lightweight one.
/// </summary>
/// <remarks>
/// Note: the time passed in affects the value of the key's keyId, so you probably only want
/// to do this once for a lightweight key, or make sure you keep track of the time you used.
/// </remarks>
/// <param name="algorithm">Asymmetric algorithm type representing the public key.</param>
/// <param name="pubKey">Actual public key to associate.</param>
/// <param name="time">Date of creation.</param>
/// <exception cref="ArgumentException">If <c>pubKey</c> is not public.</exception>
/// <exception cref="PgpException">On key creation problem.</exception>
public PgpPublicKey(
PublicKeyAlgorithmTag algorithm,
AsymmetricKeyParameter pubKey,
DateTime time)
{
if (pubKey.IsPrivate)
throw new ArgumentException("Expected a public key", "pubKey");
IBcpgKey bcpgKey;
if (pubKey is RsaKeyParameters)
{
RsaKeyParameters rK = (RsaKeyParameters) pubKey;
bcpgKey = new RsaPublicBcpgKey(rK.Modulus, rK.Exponent);
}
else if (pubKey is DsaPublicKeyParameters)
{
DsaPublicKeyParameters dK = (DsaPublicKeyParameters) pubKey;
DsaParameters dP = dK.Parameters;
bcpgKey = new DsaPublicBcpgKey(dP.P, dP.Q, dP.G, dK.Y);
}
else if (pubKey is ECPublicKeyParameters)
{
ECPublicKeyParameters ecK = (ECPublicKeyParameters)pubKey;
if (algorithm == PublicKeyAlgorithmTag.ECDH)
{
bcpgKey = new ECDHPublicBcpgKey(ecK.PublicKeyParamSet, ecK.Q, HashAlgorithmTag.Sha256, SymmetricKeyAlgorithmTag.Aes128);
}
else if (algorithm == PublicKeyAlgorithmTag.ECDsa)
{
bcpgKey = new ECDsaPublicBcpgKey(ecK.PublicKeyParamSet, ecK.Q);
}
else
{
throw new PgpException("unknown EC algorithm");
}
}
else if (pubKey is ElGamalPublicKeyParameters)
{
ElGamalPublicKeyParameters eK = (ElGamalPublicKeyParameters) pubKey;
ElGamalParameters eS = eK.Parameters;
bcpgKey = new ElGamalPublicBcpgKey(eS.P, eS.G, eK.Y);
}
else
{
throw new PgpException("unknown key class");
}
this.publicPk = new PublicKeyPacket(algorithm, time, bcpgKey);
this.ids = Platform.CreateArrayList();
this.idSigs = Platform.CreateArrayList();
try
{
Init();
}
catch (IOException e)
{
throw new PgpException("exception calculating keyId", e);
}
}
