public Command12(RijndaelParameters keys)
{
m_Keys = keys;
m_Command = new CommandBuilder(CommandBuilder.EncryptionMethod.RSA, 0x12);
m_Command.Write((byte)0x12);
m_Command.Write((ushort)m_Keys.BlockSize);
m_Command.Write((ushort)m_Keys.FeedbackSize);
m_Command.Write((ushort)m_Keys.KeySize);
m_Command.Write((byte)m_Keys.Mode);
m_Command.Write((byte)m_Keys.Padding);
m_Command.Write((byte)m_Keys.IV.Length);
m_Command.Write(m_Keys.IV);
m_Command.Write((byte)m_Keys.Key.Length);
m_Command.Write(m_Keys.Key);
}
public Command12(RijndaelParameters keys)
{
m_Keys = keys;
m_Command = new CommandBuilder(CommandBuilder.EncryptionMethod.RSA, 0x12);
m_Command.Write((byte)0x12);
m_Command.Write((ushort)m_Keys.BlockSize);
m_Command.Write((ushort)m_Keys.FeedbackSize);
m_Command.Write((ushort)m_Keys.KeySize);
m_Command.Write((byte)m_Keys.Mode);
m_Command.Write((byte)m_Keys.Padding);
m_Command.Write((byte)m_Keys.IV.Length);
m_Command.Write(m_Keys.IV);
m_Command.Write((byte)m_Keys.Key.Length);
m_Command.Write(m_Keys.Key);
}
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;
}
