in pq-crypto/kyber_90s_r2/sha2_c.c [293:468]
static size_t crypto_hashblocks_sha512(uint8_t *statebytes,
const uint8_t *in, size_t inlen) {
uint64_t state[8];
uint64_t a;
uint64_t b;
uint64_t c;
uint64_t d;
uint64_t e;
uint64_t f;
uint64_t g;
uint64_t h;
a = load_bigendian_64(statebytes + 0);
state[0] = a;
b = load_bigendian_64(statebytes + 8);
state[1] = b;
c = load_bigendian_64(statebytes + 16);
state[2] = c;
d = load_bigendian_64(statebytes + 24);
state[3] = d;
e = load_bigendian_64(statebytes + 32);
state[4] = e;
f = load_bigendian_64(statebytes + 40);
state[5] = f;
g = load_bigendian_64(statebytes + 48);
state[6] = g;
h = load_bigendian_64(statebytes + 56);
state[7] = h;
while (inlen >= 128) {
uint64_t w0 = load_bigendian_64(in + 0);
uint64_t w1 = load_bigendian_64(in + 8);
uint64_t w2 = load_bigendian_64(in + 16);
uint64_t w3 = load_bigendian_64(in + 24);
uint64_t w4 = load_bigendian_64(in + 32);
uint64_t w5 = load_bigendian_64(in + 40);
uint64_t w6 = load_bigendian_64(in + 48);
uint64_t w7 = load_bigendian_64(in + 56);
uint64_t w8 = load_bigendian_64(in + 64);
uint64_t w9 = load_bigendian_64(in + 72);
uint64_t w10 = load_bigendian_64(in + 80);
uint64_t w11 = load_bigendian_64(in + 88);
uint64_t w12 = load_bigendian_64(in + 96);
uint64_t w13 = load_bigendian_64(in + 104);
uint64_t w14 = load_bigendian_64(in + 112);
uint64_t w15 = load_bigendian_64(in + 120);
uint64_t T1;
uint64_t T2;
F_64(w0, 0x428a2f98d728ae22ULL)
F_64(w1, 0x7137449123ef65cdULL)
F_64(w2, 0xb5c0fbcfec4d3b2fULL)
F_64(w3, 0xe9b5dba58189dbbcULL)
F_64(w4, 0x3956c25bf348b538ULL)
F_64(w5, 0x59f111f1b605d019ULL)
F_64(w6, 0x923f82a4af194f9bULL)
F_64(w7, 0xab1c5ed5da6d8118ULL)
F_64(w8, 0xd807aa98a3030242ULL)
F_64(w9, 0x12835b0145706fbeULL)
F_64(w10, 0x243185be4ee4b28cULL)
F_64(w11, 0x550c7dc3d5ffb4e2ULL)
F_64(w12, 0x72be5d74f27b896fULL)
F_64(w13, 0x80deb1fe3b1696b1ULL)
F_64(w14, 0x9bdc06a725c71235ULL)
F_64(w15, 0xc19bf174cf692694ULL)
EXPAND_64
F_64(w0, 0xe49b69c19ef14ad2ULL)
F_64(w1, 0xefbe4786384f25e3ULL)
F_64(w2, 0x0fc19dc68b8cd5b5ULL)
F_64(w3, 0x240ca1cc77ac9c65ULL)
F_64(w4, 0x2de92c6f592b0275ULL)
F_64(w5, 0x4a7484aa6ea6e483ULL)
F_64(w6, 0x5cb0a9dcbd41fbd4ULL)
F_64(w7, 0x76f988da831153b5ULL)
F_64(w8, 0x983e5152ee66dfabULL)
F_64(w9, 0xa831c66d2db43210ULL)
F_64(w10, 0xb00327c898fb213fULL)
F_64(w11, 0xbf597fc7beef0ee4ULL)
F_64(w12, 0xc6e00bf33da88fc2ULL)
F_64(w13, 0xd5a79147930aa725ULL)
F_64(w14, 0x06ca6351e003826fULL)
F_64(w15, 0x142929670a0e6e70ULL)
EXPAND_64
F_64(w0, 0x27b70a8546d22ffcULL)
F_64(w1, 0x2e1b21385c26c926ULL)
F_64(w2, 0x4d2c6dfc5ac42aedULL)
F_64(w3, 0x53380d139d95b3dfULL)
F_64(w4, 0x650a73548baf63deULL)
F_64(w5, 0x766a0abb3c77b2a8ULL)
F_64(w6, 0x81c2c92e47edaee6ULL)
F_64(w7, 0x92722c851482353bULL)
F_64(w8, 0xa2bfe8a14cf10364ULL)
F_64(w9, 0xa81a664bbc423001ULL)
F_64(w10, 0xc24b8b70d0f89791ULL)
F_64(w11, 0xc76c51a30654be30ULL)
F_64(w12, 0xd192e819d6ef5218ULL)
F_64(w13, 0xd69906245565a910ULL)
F_64(w14, 0xf40e35855771202aULL)
F_64(w15, 0x106aa07032bbd1b8ULL)
EXPAND_64
F_64(w0, 0x19a4c116b8d2d0c8ULL)
F_64(w1, 0x1e376c085141ab53ULL)
F_64(w2, 0x2748774cdf8eeb99ULL)
F_64(w3, 0x34b0bcb5e19b48a8ULL)
F_64(w4, 0x391c0cb3c5c95a63ULL)
F_64(w5, 0x4ed8aa4ae3418acbULL)
F_64(w6, 0x5b9cca4f7763e373ULL)
F_64(w7, 0x682e6ff3d6b2b8a3ULL)
F_64(w8, 0x748f82ee5defb2fcULL)
F_64(w9, 0x78a5636f43172f60ULL)
F_64(w10, 0x84c87814a1f0ab72ULL)
F_64(w11, 0x8cc702081a6439ecULL)
F_64(w12, 0x90befffa23631e28ULL)
F_64(w13, 0xa4506cebde82bde9ULL)
F_64(w14, 0xbef9a3f7b2c67915ULL)
F_64(w15, 0xc67178f2e372532bULL)
EXPAND_64
F_64(w0, 0xca273eceea26619cULL)
F_64(w1, 0xd186b8c721c0c207ULL)
F_64(w2, 0xeada7dd6cde0eb1eULL)
F_64(w3, 0xf57d4f7fee6ed178ULL)
F_64(w4, 0x06f067aa72176fbaULL)
F_64(w5, 0x0a637dc5a2c898a6ULL)
F_64(w6, 0x113f9804bef90daeULL)
F_64(w7, 0x1b710b35131c471bULL)
F_64(w8, 0x28db77f523047d84ULL)
F_64(w9, 0x32caab7b40c72493ULL)
F_64(w10, 0x3c9ebe0a15c9bebcULL)
F_64(w11, 0x431d67c49c100d4cULL)
F_64(w12, 0x4cc5d4becb3e42b6ULL)
F_64(w13, 0x597f299cfc657e2aULL)
F_64(w14, 0x5fcb6fab3ad6faecULL)
F_64(w15, 0x6c44198c4a475817ULL)
a += state[0];
b += state[1];
c += state[2];
d += state[3];
e += state[4];
f += state[5];
g += state[6];
h += state[7];
state[0] = a;
state[1] = b;
state[2] = c;
state[3] = d;
state[4] = e;
state[5] = f;
state[6] = g;
state[7] = h;
in += 128;
inlen -= 128;
}
store_bigendian_64(statebytes + 0, state[0]);
store_bigendian_64(statebytes + 8, state[1]);
store_bigendian_64(statebytes + 16, state[2]);
store_bigendian_64(statebytes + 24, state[3]);
store_bigendian_64(statebytes + 32, state[4]);
store_bigendian_64(statebytes + 40, state[5]);
store_bigendian_64(statebytes + 48, state[6]);
store_bigendian_64(statebytes + 56, state[7]);
return inlen;
}