constant.hh

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#ifndef CONSTANTS_SHA_3_HPP
#define CONSTANTS_SHA_3_HPP
 
#include <cstdint>
 
alignas(32) constexpr uint64_t rc[] = {
    0x0000000000000001, 0x0000000000008082, 0x800000000000808A, 0x8000000080008000, 0x000000000000808B,
    0x0000000080000001, 0x8000000080008081, 0x8000000000008009, 0x000000000000008A, 0x0000000000000088,
    0x0000000080008009, 0x000000008000000A, 0x000000008000808B, 0x800000000000008B, 0x8000000000008089,
    0x8000000000008003, 0x8000000000008002, 0x8000000000000080, 0x000000000000800A, 0x800000008000000A,
    0x8000000080008081, 0x8000000000008080, 0x0000000080000001, 0x8000000080008008,
};
 
alignas(32) constexpr uint8_t rot[] = {0,  1,  62, 28, 27, 36, 44, 6,  55, 20, 3,  10, 43,
                                       25, 39, 41, 45, 15, 21, 8,  18, 2,  61, 56, 14};
 
alignas(32) constexpr uint8_t pi[] = {0, 6, 12, 18, 24, 3, 9, 10, 16, 22, 1, 7, 13, 19, 20, 4, 5, 11, 17, 23, 2, 8, 14, 15, 21};
 
constexpr uint64_t nr = 24;   
constexpr uint64_t b = 1600;  
 
#endif  // CONSTANTS_SHA_3_HPP