public byte[] dameResume()
{
byte[] buffer = new byte[Key.Length + IV.Length];
Key.CopyTo(buffer, 0);
IV.CopyTo(buffer, Key.Length);
return(buffer);
}
public override int TransformFinal(ReadOnlySpan <byte> input, Span <byte> output)
{
int outputSize = 0;
int blockSize = BlockSizeInBytes;
if (input.Length >= blockSize)
{
int alignedLength = input.Length - (input.Length % blockSize);
outputSize += Transform(input.Slice(0, alignedLength), output.Slice(0, alignedLength));
input = input.Slice(alignedLength);
output = output.Slice(alignedLength);
}
if (input.Length > 0)
{
blockTransform.Transform(FR, FRE);
// TODO: Vectorize
for (int i = 0; i < input.Length; i++)
{
FRE[i] ^= input[i];
}
FRE.AsSpan(0, output.Length).CopyTo(output);
outputSize += output.Length;
}
// Reset vectors
IV.CopyTo(FR.AsSpan());
CryptographicOperations.ZeroMemory(FRE);
return(outputSize);
}
public byte[] EncryptAll(string raw)
{
byte[] IV;
byte[] encrypted = AESEncrypt(out IV, Encoding.ASCII.GetBytes(raw));
byte[] result = new byte[IV.Length + encrypted.Length];
IV.CopyTo(result, 0);
encrypted.CopyTo(result, IVLength);
return(result);
}
public void save(string salida)
{
FileStream fStream = new FileStream(salida, FileMode.OpenOrCreate);
byte[] buffer = new byte[Key.Length + IV.Length];
Key.CopyTo(buffer, 0);
IV.CopyTo(buffer, Key.Length);
byte[] encryptedData = ProtectedData.Protect(buffer, entropy, DataProtectionScope.CurrentUser);
fStream.Write(encryptedData, 0, encryptedData.Length);
fStream.Close();
}