/// <summary>
/// Initializes a new instance of the RijndaelUnmanagedTransform class.
/// </summary>
/// <param name="algorithm">One of the <see cref="CryptoAlgorithm"/> values.</param>
/// <param name="method">One of the <see cref="CryptoMethod"/> values.</param>
/// <param name="key">The key to use.</param>
/// <param name="iv">The IV to use.</param>
/// <param name="mode">One of the <see cref="CipherMode"/> values.</param>
/// <param name="feedback">The feedback size of the cryptographic operation in bits.</param>
/// <param name="padding">One of the <see cref="PaddingMode"/> values.</param>
/// <exception cref="CryptographicException">An error occurs when acquiring the cryptographic context.</exception>
public RijndaelUnmanagedTransform(CryptoAlgorithm algorithm, CryptoMethod method, byte[] key, byte[] iv, CipherMode mode, int feedback, PaddingMode padding) {
m_Key = new SymmetricKey(algorithm, key);
m_Key.IV = iv;
m_Key.Mode = mode;
if (mode == CipherMode.CFB)
m_Key.FeedbackSize = feedback;
m_Key.Padding = padding;
m_BlockSize = 128;
m_Method = method;
}
/// <summary>
/// Initializes a new instance of the RijndaelUnmanagedTransform class.
/// </summary>
/// <param name="algorithm">One of the <see cref="CryptoAlgorithm"/> values.</param>
/// <param name="method">One of the <see cref="CryptoMethod"/> values.</param>
/// <param name="key">The key to use.</param>
/// <param name="iv">The IV to use.</param>
/// <param name="mode">One of the <see cref="CipherMode"/> values.</param>
/// <param name="feedback">The feedback size of the cryptographic operation in bits.</param>
/// <param name="padding">One of the <see cref="PaddingMode"/> values.</param>
/// <exception cref="CryptographicException">An error occurs when acquiring the cryptographic context.</exception>
public RijndaelUnmanagedTransform(CryptoAlgorithm algorithm, CryptoMethod method, byte[] key, byte[] iv, CipherMode mode, int feedback, PaddingMode padding)
{
m_Key = new SymmetricKey(algorithm, key);
m_Key.IV = iv;
m_Key.Mode = mode;
if (mode == CipherMode.CFB)
{
m_Key.FeedbackSize = feedback;
}
m_Key.Padding = padding;
m_BlockSize = 128;
m_Method = method;
}
/// <summary>
/// Releases all unmanaged resources.
/// </summary>
public void Dispose()
{
if (m_Key != null) {
m_Key.Dispose();
m_Key = null;
}
GC.SuppressFinalize(this);
}
/// <summary>
/// Initializes a new instance of the <see cref="RC4UnmanagedTransform"/> class.
/// </summary>
/// <param name="key">The key used to initialize the RC4 state.</param>
public RC4UnmanagedTransform(byte[] key) {
m_Key = new SymmetricKey(CryptoAlgorithm.RC4, key);
}
/// <summary>
/// Initializes a new instance of the <see cref="RC4UnmanagedTransform"/> class.
/// </summary>
/// <param name="key">The key used to initialize the RC4 state.</param>
public RC4UnmanagedTransform(byte[] key)
{
m_Key = new SymmetricKey(CryptoAlgorithm.RC4, key);
}