public override void Encode(IBcpgOutputStream pOut)
{
var pk = new SymmetricKeyEncSessionPacket(
EncAlgorithm, _s2K, SessionInfo);
pOut.WritePacket(pk);
}
internal PgpPbeEncryptedData(
SymmetricKeyEncSessionPacket keyData,
InputStreamPacket encData)
: base(encData)
{
this.keyData = keyData;
}
public override void Encode(BcpgOutputStream pOut)
{
SymmetricKeyEncSessionPacket pk = new SymmetricKeyEncSessionPacket(
encAlgorithm, s2k, sessionInfo);
pOut.WritePacket(pk);
}
public override void Encode(BcpgOutputStream pOut)
{
SymmetricKeyEncSessionPacket pk = new SymmetricKeyEncSessionPacket(
encAlgorithm, s2k, sessionInfo);
pOut.WritePacket(pk);
}
internal PgpPbeEncryptedData(
SymmetricKeyEncSessionPacket keyData,
InputStreamPacket encData)
: base(encData)
{
this.keyData = keyData;
}
/// <summary>Return the decrypted session data for the packet.</summary>
private static byte[] GetSessionData(SymmetricKeyEncSessionPacket keyData, ReadOnlySpan <byte> rawPassword)
{
byte[] key = Array.Empty <byte>();
try
{
key = new byte[PgpUtilities.GetKeySize(keyData.EncAlgorithm) / 8];
S2kBasedEncryption.MakeKey(rawPassword, keyData.S2k.HashAlgorithm, keyData.S2k.GetIV(), keyData.S2k.IterationCount, key);
if (keyData.SecKeyData?.Length > 0)
{
using var keyCipher = PgpUtilities.GetSymmetricAlgorithm(keyData.EncAlgorithm);
using var keyDecryptor = new ZeroPaddedCryptoTransform(keyCipher.CreateDecryptor(key, new byte[(keyCipher.BlockSize + 7) / 8]));
return(keyDecryptor.TransformFinalBlock(keyData.SecKeyData, 0, keyData.SecKeyData.Length));
}
else
{
var sessionData = new byte[key.Length + 1];
sessionData[0] = (byte)keyData.EncAlgorithm;
key.CopyTo(sessionData, 1);
return(sessionData);
}
}
finally
{
CryptographicOperations.ZeroMemory(key);
}
}
public override void Encode(IBcpgOutputStream pOut)
{
var pk = new SymmetricKeyEncSessionPacket(
EncAlgorithm, _s2K, SessionInfo);
pOut.WritePacket(pk);
}
