static public string[] Decode(string[] C, Program.Key secretkey)
{
//Console.Write("Secret: " + secretkey.keynum +"|");
string[] M = new string[secretkey.n - 1];
BigInteger bi;
BigInteger n_ = (BigInteger)secretkey.n;
for (int i = 0; i < M.Length; i++)
{
bi = (BigInteger)Math.Pow((Convert.ToInt32(C[i])), secretkey.keynum);
M[i] = (bi % n_).ToString();
}
return(M);
}
static public string[] Encode(string[] M, Program.Key openkey)
{
//C(i)=(M(I)^e)mod n, где bi=M(i)^e
//Console.Write("Open: " + openkey.keynum + "|");
string[] C = new string[openkey.n - 1];
BigInteger bi;
BigInteger n_ = (BigInteger)openkey.n;
for (int i = 0; i < M.Length; i++)
{
bi = (BigInteger)Math.Pow(i, openkey.keynum);
C[i] = (bi % n_).ToString();
}
return(C);
}
