/// <summary>
/// Initializes a new instance of the <see cref="AesCipher"/> class.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="mode">The mode.</param>
/// <param name="padding">The padding.</param>
/// <exception cref="ArgumentNullException"><paramref name="key"/> is null.</exception>
/// <exception cref="ArgumentException">Keysize is not valid for this algorithm.</exception>
public AesCipher(byte[] key, CipherMode mode, CipherPadding padding)
: base(key, 16, mode, padding)
{
var keySize = key.Length * 8;
if (!(keySize == 256 || keySize == 192 || keySize == 128))
{
throw new ArgumentException(string.Format(CultureInfo.CurrentCulture, "KeySize '{0}' is not valid for this algorithm.", keySize));
}
}
/// <summary>
/// Initializes a new instance of the <see cref="CastCipher"/> class.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="mode">The mode.</param>
/// <param name="padding">The padding.</param>
/// <exception cref="ArgumentNullException"><paramref name="key"/> is null.</exception>
/// <exception cref="ArgumentException">Keysize is not valid for this algorithm.</exception>
public CastCipher(byte[] key, CipherMode mode, CipherPadding padding)
: base(key, 8, mode, padding)
{
var keySize = key.Length * 8;
if (!(keySize >= 40 && keySize <= 128 && keySize % 8 == 0))
{
throw new ArgumentException(string.Format("KeySize '{0}' is not valid for this algorithm.", keySize));
}
this.SetKey(key);
}
private int _x0, _x1, _x2, _x3; // registers
/// <summary>
/// Initializes a new instance of the <see cref="SerpentCipher"/> class.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="mode">The mode.</param>
/// <param name="padding">The padding.</param>
/// <exception cref="ArgumentNullException"><paramref name="key"/> is null.</exception>
/// <exception cref="ArgumentException">Keysize is not valid for this algorithm.</exception>
public SerpentCipher(byte[] key, CipherMode mode, CipherPadding padding)
: base(key, 16, mode, padding)
{
var keySize = key.Length * 8;
if (!(keySize == 128 || keySize == 192 || keySize == 256))
{
throw new ArgumentException(string.Format("KeySize '{0}' is not valid for this algorithm.", keySize));
}
this._workingKey = this.MakeWorkingKey(key);
}
/// <summary>
/// Initializes a new instance of the <see cref="BlowfishCipher"/> class.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="mode">The mode.</param>
/// <param name="padding">The padding.</param>
/// <exception cref="ArgumentNullException"><paramref name="key"/> is null.</exception>
/// <exception cref="ArgumentException">Keysize is not valid for this algorithm.</exception>
public BlowfishCipher(byte[] key, CipherMode mode, CipherPadding padding)
: base(key, 8, mode, padding)
{
var keySize = key.Length * 8;
if (keySize < 1 || keySize > 448)
{
throw new ArgumentException(string.Format("KeySize '{0}' is not valid for this algorithm.", keySize));
}
this._s0 = new uint[_sboxSk];
this._s1 = new uint[_sboxSk];
this._s2 = new uint[_sboxSk];
this._s3 = new uint[_sboxSk];
this._p = new uint[_pSize];
this.SetKey(key);
}
/// <summary>
/// Initializes a new instance of the <see cref="DesCipher"/> class.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="mode">The mode.</param>
/// <param name="padding">The padding.</param>
/// <exception cref="ArgumentNullException"><paramref name="key"/> is null.</exception>
public DesCipher(byte[] key, CipherMode mode, CipherPadding padding)
: base(key, 8, mode, padding)
{
}
