/// <summary>
/// Decrypts the text.
/// </summary>
public void DecryptText()
{
if (this.DecryptedText == null)
{
this.DecryptedText = DecryptionManager.DecryptText(this.ExtractedText, this.keyword);
}
}
/// <summary>
/// Decrypts a cipher text using a password to generate an alphabet character array.
/// </summary>
/// <param name="text"></param>
/// <param name="password"></param>
/// <returns></returns>
public string Decrypt(string text, string password)
{
var alphabet = new Alphabet().GenerateAlphabetFromPassword(password);
var manager = new DecryptionManager();
return manager.Decrypt(text, alphabet);
}
/// <summary>
/// Decrypts the image.
/// </summary>
public void DecryptImage()
{
if (this.DecryptedPicture == null)
{
this.DecryptedPicture = new Picture();
this.copySourcePicture(this.ExtractedPicture, this.DecryptedPicture);
DecryptionManager.DecryptPicture(this.DecryptedPicture);
this.DecryptedPicture.ModifiedImage =
new WriteableBitmap((int)this.DecryptedPicture.Width, (int)this.DecryptedPicture.Height);
}
}
/// <summary>
/// Decrypts a cipher text using an alphabet character array.
/// </summary>
/// <param name="text"></param>
/// <param name="alphabet"></param>
/// <returns></returns>
public string Decrypt(string text, char[] alphabet)
{
var manager = new DecryptionManager();
return manager.Decrypt(text, alphabet);
}
