/*

* SHA-3

* (C) 2019 Jack Lloyd

*

* Botan is released under the Simplified BSD License (see license.txt)

*/

#include <botan/internal/sha3.h>

#include <botan/internal/sha3_round.h>

namespace Botan {

void SHA_3::permute_bmi2(uint64_t A[25])

   {

   static const uint64_t RC[24] = {

      0x0000000000000001, 0x0000000000008082, 0x800000000000808A,

      0x8000000080008000, 0x000000000000808B, 0x0000000080000001,

      0x8000000080008081, 0x8000000000008009, 0x000000000000008A,

      0x0000000000000088, 0x0000000080008009, 0x000000008000000A,

      0x000000008000808B, 0x800000000000008B, 0x8000000000008089,

      0x8000000000008003, 0x8000000000008002, 0x8000000000000080,

      0x000000000000800A, 0x800000008000000A, 0x8000000080008081,

      0x8000000000008080, 0x0000000080000001, 0x8000000080008008

   };

   uint64_t T[25];

   for(size_t i = 0; i != 24; i += 2)

      {

      SHA3_round(T, A, RC[i+0]);

      SHA3_round(A, T, RC[i+1]);

      }

   }

}