public static byte[] RijndaelEncrypt(RijndaelParameters keys, byte[] data)
{
if (data == null)
throw new ArgumentNullException("data");
RijndaelManaged rijndael = keys.Export();
MemoryStream memoryStream = new MemoryStream(Constants.MaximumCommandLength);
CryptoStream cryptoStream = new CryptoStream(memoryStream, rijndael.CreateEncryptor(), CryptoStreamMode.Write);
cryptoStream.Write(data, 0, data.Length);
cryptoStream.FlushFinalBlock();
byte[] encryptedData = memoryStream.ToArray();
cryptoStream.Close();
rijndael.Clear();
return encryptedData;
}
public static byte[] RijndaelDecrypt(RijndaelParameters keys, byte[] encryptedData)
{
if (encryptedData == null)
throw new ArgumentNullException("encryptedData");
RijndaelManaged rijndael = keys.Export();
MemoryStream memoryStream = new MemoryStream(encryptedData);
CryptoStream cryptoStream = new CryptoStream(memoryStream, rijndael.CreateDecryptor(), CryptoStreamMode.Read);
byte[] decryptedData = new byte[encryptedData.Length];
cryptoStream.Read(decryptedData, 0, decryptedData.Length);
cryptoStream.Close();
rijndael.Clear();
return decryptedData;
}
