public EncryptorAsyncResult(PeerId id, AsyncCallback callback, object state)
: base(callback, state)
{
Id = id;
Decryptor = new PlainTextEncryption();
Encryptor = new PlainTextEncryption();
}
/// <summary>
/// Sets CryptoSelect and initializes the stream encryptor and decryptor based on the selected method.
/// </summary>
/// <param name="remoteCryptoBytes">
/// The cryptographic methods supported/wanted by the remote client in CryptoProvide
/// format. The highest order one available will be selected
/// </param>
/// <param name="replace">if set to <c>true</c> [replace].</param>
/// <returns></returns>
protected virtual int SelectCrypto(byte[] remoteCryptoBytes, bool replace)
{
CryptoSelect = new byte[remoteCryptoBytes.Length];
// '2' corresponds to RC4Full
if ((remoteCryptoBytes[3] & 2) == 2 && Toolbox.HasEncryption(_allowedEncryption, EncryptionTypes.RC4Full))
{
CryptoSelect[3] |= 2;
if (replace)
{
Encryptor = _encryptor;
Decryptor = _decryptor;
}
return(2);
}
// '1' corresponds to RC4Header
if ((remoteCryptoBytes[3] & 1) == 1 && Toolbox.HasEncryption(_allowedEncryption, EncryptionTypes.RC4Header))
{
CryptoSelect[3] |= 1;
if (replace)
{
Encryptor = new RC4Header();
Decryptor = new RC4Header();
}
return(1);
}
throw new EncryptionException("No valid encryption method detected");
}
public EncryptorAsyncResult(PeerId id, AsyncCallback callback, object state)
: base(callback, state)
{
Id = id;
Decryptor = new PlainTextEncryption();
Encryptor = new PlainTextEncryption();
}
/// <summary>
/// Sets CryptoSelect and initializes the stream encryptor and decryptor based on the selected method.
/// </summary>
/// <param name="remoteCryptoBytes">
/// The cryptographic methods supported/wanted by the remote client in CryptoProvide
/// format. The highest order one available will be selected
/// </param>
/// <param name="replace">if set to <c>true</c> [replace].</param>
/// <returns></returns>
protected virtual int SelectCrypto(byte[] remoteCryptoBytes, bool replace)
{
CryptoSelect = new byte[remoteCryptoBytes.Length];
// '2' corresponds to RC4Full
if ((remoteCryptoBytes[3] & 2) == 2 && Toolbox.HasEncryption(_allowedEncryption, EncryptionTypes.RC4Full))
{
CryptoSelect[3] |= 2;
if (replace)
{
Encryptor = _encryptor;
Decryptor = _decryptor;
}
return 2;
}
// '1' corresponds to RC4Header
if ((remoteCryptoBytes[3] & 1) == 1 && Toolbox.HasEncryption(_allowedEncryption, EncryptionTypes.RC4Header))
{
CryptoSelect[3] |= 1;
if (replace)
{
Encryptor = new RC4Header();
Decryptor = new RC4Header();
}
return 1;
}
throw new EncryptionException("No valid encryption method detected");
}
