public static byte[] Decrypt(this byte[] data, byte[] key)
{
if (data == null) throw new ArgumentNullException("data");
if (key == null || key.Length != 32) throw new ArgumentException("Key must have 32 length", "key");
using (var c = Aes.Create())
{
c.Key = key;
using (var ms = new MemoryStream())
{
int ReadPos = 0;
byte[] IV = new byte[c.IV.Length];
Array.Copy(data, IV, IV.Length);
c.IV = IV;
ReadPos += c.IV.Length;
using (var cs = new CryptoStream(ms, c.CreateDecryptor(), CryptoStreamMode.Write))
{
cs.Write(data, ReadPos, data.Length - ReadPos);
cs.FlushFinalBlock();
}
return ms.ToArray();
}
}
}
