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kernel_keccak.hpp
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#ifndef HPP_KERNEL_KECCAK
#define HPP_KERNEL_KECCAK
#include <string>
const std::string kernel_keccak = R"(
typedef union {
uchar b[200];
ulong q[25];
uint d[50];
} ethhash;
#define TH_ELT(t, c0, c1, c2, c3, c4, d0, d1, d2, d3, d4) \
{ \
t = rotate((ulong)(d0 ^ d1 ^ d2 ^ d3 ^ d4), (ulong)1) ^ (c0 ^ c1 ^ c2 ^ c3 ^ c4); \
}
#define THETA(s00, s01, s02, s03, s04, \
s10, s11, s12, s13, s14, \
s20, s21, s22, s23, s24, \
s30, s31, s32, s33, s34, \
s40, s41, s42, s43, s44) \
{ \
TH_ELT(t0, s40, s41, s42, s43, s44, s10, s11, s12, s13, s14); \
TH_ELT(t1, s00, s01, s02, s03, s04, s20, s21, s22, s23, s24); \
TH_ELT(t2, s10, s11, s12, s13, s14, s30, s31, s32, s33, s34); \
TH_ELT(t3, s20, s21, s22, s23, s24, s40, s41, s42, s43, s44); \
TH_ELT(t4, s30, s31, s32, s33, s34, s00, s01, s02, s03, s04); \
s00 ^= t0; s01 ^= t0; s02 ^= t0; s03 ^= t0; s04 ^= t0; \
s10 ^= t1; s11 ^= t1; s12 ^= t1; s13 ^= t1; s14 ^= t1; \
s20 ^= t2; s21 ^= t2; s22 ^= t2; s23 ^= t2; s24 ^= t2; \
s30 ^= t3; s31 ^= t3; s32 ^= t3; s33 ^= t3; s34 ^= t3; \
s40 ^= t4; s41 ^= t4; s42 ^= t4; s43 ^= t4; s44 ^= t4; \
}
#define RHOPI(s00, s01, s02, s03, s04, \
s10, s11, s12, s13, s14, \
s20, s21, s22, s23, s24, \
s30, s31, s32, s33, s34, \
s40, s41, s42, s43, s44) \
{ \
t0 = rotate(s10, (ulong) 1); \
s10 = rotate(s11, (ulong)44); \
s11 = rotate(s41, (ulong)20); \
s41 = rotate(s24, (ulong)61); \
s24 = rotate(s42, (ulong)39); \
s42 = rotate(s04, (ulong)18); \
s04 = rotate(s20, (ulong)62); \
s20 = rotate(s22, (ulong)43); \
s22 = rotate(s32, (ulong)25); \
s32 = rotate(s43, (ulong) 8); \
s43 = rotate(s34, (ulong)56); \
s34 = rotate(s03, (ulong)41); \
s03 = rotate(s40, (ulong)27); \
s40 = rotate(s44, (ulong)14); \
s44 = rotate(s14, (ulong) 2); \
s14 = rotate(s31, (ulong)55); \
s31 = rotate(s13, (ulong)45); \
s13 = rotate(s01, (ulong)36); \
s01 = rotate(s30, (ulong)28); \
s30 = rotate(s33, (ulong)21); \
s33 = rotate(s23, (ulong)15); \
s23 = rotate(s12, (ulong)10); \
s12 = rotate(s21, (ulong) 6); \
s21 = rotate(s02, (ulong) 3); \
s02 = t0; \
}
#define KHI(s00, s01, s02, s03, s04, \
s10, s11, s12, s13, s14, \
s20, s21, s22, s23, s24, \
s30, s31, s32, s33, s34, \
s40, s41, s42, s43, s44) \
{ \
t0 = s00 ^ (~s10 & s20); \
t1 = s10 ^ (~s20 & s30); \
t2 = s20 ^ (~s30 & s40); \
t3 = s30 ^ (~s40 & s00); \
t4 = s40 ^ (~s00 & s10); \
s00 = t0; s10 = t1; s20 = t2; s30 = t3; s40 = t4; \
\
t0 = s01 ^ (~s11 & s21); \
t1 = s11 ^ (~s21 & s31); \
t2 = s21 ^ (~s31 & s41); \
t3 = s31 ^ (~s41 & s01); \
t4 = s41 ^ (~s01 & s11); \
s01 = t0; s11 = t1; s21 = t2; s31 = t3; s41 = t4; \
\
t0 = s02 ^ (~s12 & s22); \
t1 = s12 ^ (~s22 & s32); \
t2 = s22 ^ (~s32 & s42); \
t3 = s32 ^ (~s42 & s02); \
t4 = s42 ^ (~s02 & s12); \
s02 = t0; s12 = t1; s22 = t2; s32 = t3; s42 = t4; \
\
t0 = s03 ^ (~s13 & s23); \
t1 = s13 ^ (~s23 & s33); \
t2 = s23 ^ (~s33 & s43); \
t3 = s33 ^ (~s43 & s03); \
t4 = s43 ^ (~s03 & s13); \
s03 = t0; s13 = t1; s23 = t2; s33 = t3; s43 = t4; \
\
t0 = s04 ^ (~s14 & s24); \
t1 = s14 ^ (~s24 & s34); \
t2 = s24 ^ (~s34 & s44); \
t3 = s34 ^ (~s44 & s04); \
t4 = s44 ^ (~s04 & s14); \
s04 = t0; s14 = t1; s24 = t2; s34 = t3; s44 = t4; \
}
#define IOTA(s00, r) { s00 ^= r; }
__constant ulong keccakf_rndc[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
};
void sha3_keccakf(ethhash * const h)
{
ulong * const st = &h->q;
h->d[33] ^= 0x80000000;
ulong t0, t1, t2, t3, t4;
for (int i = 0; i < 24; ++i) {
THETA(st[0], st[5], st[10], st[15], st[20], st[1], st[6], st[11], st[16], st[21], st[2], st[7], st[12], st[17], st[22], st[3], st[8], st[13], st[18], st[23], st[4], st[9], st[14], st[19], st[24]);
RHOPI(st[0], st[5], st[10], st[15], st[20], st[1], st[6], st[11], st[16], st[21], st[2], st[7], st[12], st[17], st[22], st[3], st[8], st[13], st[18], st[23], st[4], st[9], st[14], st[19], st[24]);
KHI(st[0], st[5], st[10], st[15], st[20], st[1], st[6], st[11], st[16], st[21], st[2], st[7], st[12], st[17], st[22], st[3], st[8], st[13], st[18], st[23], st[4], st[9], st[14], st[19], st[24]);
IOTA(st[0], keccakf_rndc[i]);
}
}
)";
#endif /* HPP_KERNEL_KECCAK */