public static byte[] DecryptAes(this byte[] @this)
{
var data = @this.FastClone();
using (var aes = new RijndaelManaged())
{
aes.Mode = CipherMode.CFB;
aes.Padding = PaddingMode.None;
aes.KeySize = 192;
aes.BlockSize = 128;
aes.GenerateKeys(data.Length);
var blockSize = aes.BlockSize / 8;
var needChange = data.Length % blockSize != 0;
var diff = blockSize - data.Length % blockSize;
if (needChange)
{
Array.Resize(ref data, data.Length + diff);
}
data = aes.Decrypt(data);
if (needChange)
{
Array.Resize(ref data, data.Length - diff);
}
return(data);
}
}
public static byte[] EncryptAES(byte[] data)
{
using (var aes = new RijndaelManaged())
{
aes.Mode = CipherMode.CFB;
aes.Padding = PaddingMode.Zeros;
aes.KeySize = 192;
aes.BlockSize = 128;
Array.Resize(ref data, data.Length + 16 - data.Length % 16);
aes.GenerateKeys(data.Length);
return(aes.Encrypt(data));
}
}
