| private PassDecrypt ( byte data, uint length, byte passphrase, uint passphraseLength, byte output, ToxErrorDecryption &error ) : bool | ||
| data | byte | |
| length | uint | |
| passphrase | byte | |
| passphraseLength | uint | |
| output | byte | |
| error | ToxErrorDecryption | |
| return | bool | |
public static byte[] DecryptData(byte[] data, string passphrase)
{
byte[] output = new byte[data.Length + ToxEncryptionFunctions.PassEncryptionExtraLength()];
byte[] pp = Encoding.UTF8.GetBytes(passphrase);
byte[] result;
int length = ToxEncryptionFunctions.PassDecrypt(data, (uint)data.Length, pp, (uint)pp.Length, output);
if (length == -1)
{
return(null);
}
result = new byte[length];
Array.Copy(output, 0, result, 0, length);
return(result);
}
public static byte[] DecryptData(byte[] data, string password, out ToxErrorDecryption error)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
if (password == null)
{
throw new ArgumentNullException("password");
}
byte[] output = new byte[data.Length - EncryptionExtraLength];
byte[] passBytes = Encoding.UTF8.GetBytes(password);
error = ToxErrorDecryption.Ok;
if (!ToxEncryptionFunctions.PassDecrypt(data, (uint)data.Length, passBytes, (uint)passBytes.Length, output, ref error) || error != ToxErrorDecryption.Ok)
{
return(null);
}
return(output);
}
