public string Decrypt(string text)
{
if (text == null)
{
throw new ArgumentNullException(nameof(text));
}
switch (this.typeAutoKeyCipher)
{
case AutoKeyCipherType.UseText:
this.PrimaryKey += text;
break;
case AutoKeyCipherType.UseCryptogram:
this.vigenereCipher = new VigenereCipher(this.PrimaryKey + text);
this.PrimaryKey += this.vigenereCipher.Encrypt(text);
break;
}
this.vigenereCipher = new VigenereCipher(this.PrimaryKey);
return(this.vigenereCipher.Decrypt(text));
}
protected VermanCipher(string sensText)
{
this.GeneratedKey = sensText;
this.vigenereCipher = new VigenereCipher(this.GeneratedKey);
}
public VermanCipher(int keyLength)
{
this.random = new Random();
this.GeneratedKey = this.GetGeneratedKey(keyLength);
this.vigenereCipher = new VigenereCipher(this.GeneratedKey);
}