/// <summary>
/// Performs Keccak-p on the specified message as defined by FIPS-202 Section 3.
/// </summary>
/// <param name="message">BitString to transform. Should already be processed by Keccak.</param>
/// <returns>BitString</returns>
public static BitString Keccak_p(BitString message)
{
var A = new KeccakState(message, _b);
var startRound = 12 + 2 * A.L - _numRounds;
var endRound = 12 + 2 * A.L - 1;
// For A.L = 6 and _numRounds = 24 which they must be for now, this loop is just... (i = 0; i <= 23; i++)
for (var i = startRound; i <= endRound; i++)
{
A = Round(A, i);
}
return(A.ToBitString());
}
public static KeccakState Round(KeccakState A, int roundNumber)
{
return(A.Theta().Rho().Pi().Chi().Iota(roundNumber));
}