/// <summary>
/// Generates a new CellularAutomataKey object.
/// </summary>
/// <param name="seed">
/// A desired seed value passed to <see cref="System.Random" /> to
/// use for generating key schedules .
/// </param>
/// <returns>
/// A new CellularAutomataKey object with random values
/// determined from the specified seed.
/// </returns>
public static CellularAutomataKey Generate(int seed)
{
Random rand = new Random(seed);
CellularAutomataKey newKey =
new CellularAutomataKey(rand.Next(0, 255), // rule
rand.Next(0, 255), // initialState
seed); // seed
return(newKey);
}
/// <summary>
/// Basic initialization constructor with a predefined plaintext image.
/// </summary>
/// <param name="plaintextImage">
/// The image that will be encrypted once a key is defined.
/// </param>
public CellularAutomataEncryptor(Bitmap plaintextImage)
: this(plaintextImage, CellularAutomataKey.Generate())
{
}
/// <summary>
/// Full initialization constructor.
/// </summary>
/// <param name="plaintextImage">
/// The image that is to be encrypted.
/// </param>
/// <param name="key">
/// The BioInspiredKey object that is used to encrypt the image.
/// </param>
public CellularAutomataEncryptor(
Bitmap plaintextImage, CellularAutomataKey key)
{
PlaintextImage = (Bitmap)plaintextImage.Clone();
Key = key.Clone();
}
/// <summary>
/// Basic constructor with a predefined key.
/// </summary>
/// <param name="key">
/// The BioInspiredKey object that will be used by the cryptosystem.
/// </param>
public CellularAutomataEncryptor(CellularAutomataKey key)
: this(null, key)
{
}