Topic: further improved phatk_dia kernel for Phoenix + SDK 2.6 - 2012-01-13 - page 11. (Read 51197 times)

W[19] = P4(19) + (u)0x11002000 + P1(19);

W[30] = P3(30) + (u)0xA00055 + P1(30);

Vals[3] = (u)L + W[64];

W[81] = P4(81) + P2(81) + (u)0xA00000;

W[87] = P4(87) + P3(87) + (u)0x11002000 + P1(87);

W[94] = P3(94) + (u)0x400022 + P1(94);

// Ma can also be implemented in terms of Ch...
u Ma(u x, u y, u z) { return Ch(z^x, y, x); }

// Various intermediate calculations for each SHA round

u xrot2(u n, const uint r1, const uint r2) {
        return rot(n, r1) ^ rot(n, r2);
}

u xrot3(u n, const uint r1, const uint r2, const uint r3) {
        return xrot2(n, r1, r2) ^ rot(n, r3);
}

u xrrs(u n, const uint r1, const uint r2, const uint r3) {
        return xrot2(n, r1, r2) ^ (n >> r3);
}

#define s0(n) xrot3(Vals[(128-n) % 8], 30, 19, 10)
#define s1(n) xrot3(Vals[(132-n) % 8], 26, 21, 7)
#define ch(n) Ch(Vals[(132 - n) % 8], Vals[(133 - n) % 8], Vals[(134 - n) % 8])
#define ma(n) Ma(Vals[(129 - n) % 8], Vals[(130 - n) % 8], Vals[(128 - n) % 8])
#define t1(n) (K[n % 64] + Vals[(135 - n) % 8] + W[n] + s1(n) + ch(n))

// intermediate W calculations
#define P1(x) xrrs(W[x - 2], 15, 13, 10)
#define P2(x) xrrs(W[x - 15], 25, 14, 3)

//Vals[4] = PreVal4;
//...
#ifdef VECTORS.
        Vals[4] = (W[3] = ((base + get_global_id(0)) << 1) + (uint2)(0, 1)) + PreVal4;
#else
        Vals[4] = (W[3] = base + get_global_id(0)) + PreVal4;
#endif
//...
//Vals[4] += W[3];