public OutputStreamEncryption(Stream outc, byte[] key, int off, int len, int revision)
{
this.outc = outc;
aes = (revision == AES_128 || revision == AES_256);
if (aes)
{
byte[] iv = IVGenerator.GetIV();
byte[] nkey = new byte[len];
System.Array.Copy(key, off, nkey, 0, len);
cipher = new AESCipher(true, nkey, iv);
Write(iv, 0, iv.Length);
}
else
{
arcfour = new ARCFOUREncryption();
arcfour.PrepareARCFOURKey(key, off, len);
}
}
/// <summary>Creates a new instance of StandardDecryption</summary>
public StandardDecryptor(byte[] key, int off, int len)
{
arcfour = new ARCFOUREncryption();
arcfour.PrepareARCFOURKey(key, off, len);
}