public override object execute(object obj, int index, int length)
{
if (method == "rsa" && index == 1)
{
d = Convert.ToInt32(obj);
}
else if (method == "rsa" && index == 2)
{
n = Convert.ToInt32(obj);
}
else if (index == 0)
{
method = (obj + "").Trim().ToLower();
}
else if (index == 1 && length > 2)
{
key = (obj + "").Trim().ToLower();
}
else
{
switch (method)
{
case "caesar":
if (_decrypt && !_encrypt)
{
return(cryp.CaesarCiphertoPlain(obj + "", int.Parse(key)));
}
else
{
return(cryp.CaesarPlaintoCipher(obj + "", int.Parse(key)));
}
case "ecb":
if (_decrypt && !_encrypt)
{
return(cryp.ECBCiphertoPlain(obj + "", key));
}
else
{
return(cryp.ECBPlaintoCipher(obj + "", key));
}
case "mcbac":
if (_decrypt && !_encrypt)
{
return(cryp.MCBACCiphertoPlain(obj + "", int.Parse(key)));
}
else
{
return(cryp.MCBACPlaintoCipher(obj + "", int.Parse(key)));
}
case "rsa":
if (_decrypt && !_encrypt)
{
return(cryp.RSACiphertoPlain(Convert.ToInt32(obj), d, n));
}
else
{
if (d == 0)
{
int[] rsa = cryp.RSAGetKeys();
return(new object[] { "e = " + rsa[0] + ", d = " + rsa[1] + ", n = " + rsa[2], cryp.RSAPlaintoCipher(Convert.ToInt32(obj), rsa[0], rsa[2]) });
}
else
{
return(cryp.RSAPlaintoCipher(Convert.ToInt32(obj), d, n));
}
}
case "nta":
return(MiMFa_Convert.ToAlphabet(Convert.ToInt32(obj)));
}
}
return(Null);
}