public static BigInteger mpz_shash(
String input)
{
/* hash the input */
String digest = h(input);
/* convert the digest to a hexadecimal encoded string */
String hex_digest = ToolsString.ConvertToStringHex(digest);
/* convert the hexadecimal encoded string to an mpz-integer */
return(BigInteger.Parse(hex_digest, System.Globalization.NumberStyles.HexNumber));
}
/*
* Hashing of the public inputs (aka Fiat-Shamir heuristic) with h(),
* e.g. to make some proofs of knowledge non-interactive.
*/
public static BigInteger mpz_shash(
BigInteger [] array)
{
String acc = "";
/* concatenate all the arguments */
for (int i = 0; i < array.Length; i++)
{
acc += ToolsString.ConvertToStringHex(array[i].ToString()) + "|";
}
/* hash arguments */
return(mpz_shash(acc));
}
public static BigInteger mpz_shash(
BigInteger value)
{
return(mpz_shash(ToolsString.ConvertToStringHex(value.ToString()) + "|"));
}
