aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--process.c168
1 files changed, 85 insertions, 83 deletions
diff --git a/process.c b/process.c
index 5a4d9ac..a60942c 100644
--- a/process.c
+++ b/process.c
@@ -31,15 +31,17 @@ process_portable(struct libsha1_state *restrict state, const unsigned char *rest
#define G3(A, B, C, D, E, I) G_(A, B, C, D, E, I, F3, 0xCA62C1D6)
uint_least32_t a, b, c, d, e;
+ const unsigned char *restrict chunk;
int i;
size_t off = 0;
for (; len >= off + sizeof(state->chunk); off += sizeof(state->chunk)) {
+ chunk = &data[off];
for (i = 0; i < 16; i++) {
- state->w[i] = (uint_least32_t)data[off + 4 * i + 0] << 24;
- state->w[i] |= (uint_least32_t)data[off + 4 * i + 1] << 16;
- state->w[i] |= (uint_least32_t)data[off + 4 * i + 2] << 8;
- state->w[i] |= (uint_least32_t)data[off + 4 * i + 3];
+ state->w[i] = (uint_least32_t)chunk[4 * i + 0] << 24;
+ state->w[i] |= (uint_least32_t)chunk[4 * i + 1] << 16;
+ state->w[i] |= (uint_least32_t)chunk[4 * i + 2] << 8;
+ state->w[i] |= (uint_least32_t)chunk[4 * i + 3];
}
if (state->algorithm == LIBSHA1_1) {
for (; i < 80; i++)
@@ -110,147 +112,147 @@ static size_t
process_x86_sha(struct libsha1_state *restrict state, const unsigned char *restrict data, size_t len)
{
const __m128i SHUFFLE_MASK = _mm_set_epi64x(0x0001020304050607ULL, 0x08090A0B0C0D0E0FULL);
- register __m128i abcd, e000, temp, w[4];
+ register __m128i abcd, e000, temp, msg0, msg1, msg2, msg3;
__m128i abcd_orig, e000_orig;
size_t off = 0;
abcd_orig = _mm_shuffle_epi32(_mm_loadu_si128((const __m128i *)&state->h[0]), 32 - 5);
- e000_orig = _mm_set_epi32(state->h[4], 0, 0, 0);
+ e000_orig = _mm_set_epi32((int)state->h[4], 0, 0, 0);
for (; len >= off + sizeof(state->chunk); off += sizeof(state->chunk)) {
- w[0] = _mm_loadu_si128((const __m128i *)&data[0]);
- w[0] = _mm_shuffle_epi8(w[0], SHUFFLE_MASK);
- e000 = _mm_add_epi32(e000_orig, w[0]);
+ msg0 = _mm_loadu_si128((const __m128i *)&data[0]);
+ msg0 = _mm_shuffle_epi8(msg0, SHUFFLE_MASK);
+ e000 = _mm_add_epi32(e000_orig, msg0);
temp = abcd_orig;
abcd = _mm_sha1rnds4_epu32(abcd_orig, e000, 0);
- w[1] = _mm_loadu_si128((const __m128i *)&data[16]);
- w[1] = _mm_shuffle_epi8(w[1], SHUFFLE_MASK);
- temp = _mm_sha1nexte_epu32(temp, w[1]);
+ msg1 = _mm_loadu_si128((const __m128i *)&data[16]);
+ msg1 = _mm_shuffle_epi8(msg1, SHUFFLE_MASK);
+ temp = _mm_sha1nexte_epu32(temp, msg1);
e000 = abcd;
abcd = _mm_sha1rnds4_epu32(abcd, temp, 0);
- w[0] = _mm_sha1msg1_epu32(w[0], w[1]);
+ msg0 = _mm_sha1msg1_epu32(msg0, msg1);
- w[2] = _mm_loadu_si128((const __m128i *)&data[32]);
- w[2] = _mm_shuffle_epi8(w[2], SHUFFLE_MASK);
- e000 = _mm_sha1nexte_epu32(e000, w[2]);
+ msg2 = _mm_loadu_si128((const __m128i *)&data[32]);
+ msg2 = _mm_shuffle_epi8(msg2, SHUFFLE_MASK);
+ e000 = _mm_sha1nexte_epu32(e000, msg2);
temp = abcd;
abcd = _mm_sha1rnds4_epu32(abcd, e000, 0);
- w[1] = _mm_sha1msg1_epu32(w[1], w[2]);
- w[0] = _mm_xor_si128(w[0], w[2]);
+ msg1 = _mm_sha1msg1_epu32(msg1, msg2);
+ msg0 = _mm_xor_si128(msg0, msg2);
- w[3] = _mm_loadu_si128((const __m128i *)&data[48]);
- w[3] = _mm_shuffle_epi8(w[3], SHUFFLE_MASK);
- temp = _mm_sha1nexte_epu32(temp, w[3]);
+ msg3 = _mm_loadu_si128((const __m128i *)&data[48]);
+ msg3 = _mm_shuffle_epi8(msg3, SHUFFLE_MASK);
+ temp = _mm_sha1nexte_epu32(temp, msg3);
e000 = abcd;
- w[0] = _mm_sha1msg2_epu32(w[0], w[3]);
+ msg0 = _mm_sha1msg2_epu32(msg0, msg3);
abcd = _mm_sha1rnds4_epu32(abcd, temp, 0);
- w[2] = _mm_sha1msg1_epu32(w[2], w[3]);
- w[1] = _mm_xor_si128(w[1], w[3]);
+ msg2 = _mm_sha1msg1_epu32(msg2, msg3);
+ msg1 = _mm_xor_si128(msg1, msg3);
- e000 = _mm_sha1nexte_epu32(e000, w[0]);
+ e000 = _mm_sha1nexte_epu32(e000, msg0);
temp = abcd;
- w[1] = _mm_sha1msg2_epu32(w[1], w[0]);
+ msg1 = _mm_sha1msg2_epu32(msg1, msg0);
abcd = _mm_sha1rnds4_epu32(abcd, e000, 0);
- w[3] = _mm_sha1msg1_epu32(w[3], w[0]);
- w[2] = _mm_xor_si128(w[2], w[0]);
+ msg3 = _mm_sha1msg1_epu32(msg3, msg0);
+ msg2 = _mm_xor_si128(msg2, msg0);
- temp = _mm_sha1nexte_epu32(temp, w[1]);
+ temp = _mm_sha1nexte_epu32(temp, msg1);
e000 = abcd;
- w[2] = _mm_sha1msg2_epu32(w[2], w[1]);
+ msg2 = _mm_sha1msg2_epu32(msg2, msg1);
abcd = _mm_sha1rnds4_epu32(abcd, temp, 1);
- w[0] = _mm_sha1msg1_epu32(w[0], w[1]);
- w[3] = _mm_xor_si128(w[3], w[1]);
+ msg0 = _mm_sha1msg1_epu32(msg0, msg1);
+ msg3 = _mm_xor_si128(msg3, msg1);
- e000 = _mm_sha1nexte_epu32(e000, w[2]);
+ e000 = _mm_sha1nexte_epu32(e000, msg2);
temp = abcd;
- w[3] = _mm_sha1msg2_epu32(w[3], w[2]);
+ msg3 = _mm_sha1msg2_epu32(msg3, msg2);
abcd = _mm_sha1rnds4_epu32(abcd, e000, 1);
- w[1] = _mm_sha1msg1_epu32(w[1], w[2]);
- w[0] = _mm_xor_si128(w[0], w[2]);
+ msg1 = _mm_sha1msg1_epu32(msg1, msg2);
+ msg0 = _mm_xor_si128(msg0, msg2);
- temp = _mm_sha1nexte_epu32(temp, w[3]);
+ temp = _mm_sha1nexte_epu32(temp, msg3);
e000 = abcd;
- w[0] = _mm_sha1msg2_epu32(w[0], w[3]);
+ msg0 = _mm_sha1msg2_epu32(msg0, msg3);
abcd = _mm_sha1rnds4_epu32(abcd, temp, 1);
- w[2] = _mm_sha1msg1_epu32(w[2], w[3]);
- w[1] = _mm_xor_si128(w[1], w[3]);
+ msg2 = _mm_sha1msg1_epu32(msg2, msg3);
+ msg1 = _mm_xor_si128(msg1, msg3);
- e000 = _mm_sha1nexte_epu32(e000, w[0]);
+ e000 = _mm_sha1nexte_epu32(e000, msg0);
temp = abcd;
- w[1] = _mm_sha1msg2_epu32(w[1], w[0]);
+ msg1 = _mm_sha1msg2_epu32(msg1, msg0);
abcd = _mm_sha1rnds4_epu32(abcd, e000, 1);
- w[3] = _mm_sha1msg1_epu32(w[3], w[0]);
- w[2] = _mm_xor_si128(w[2], w[0]);
+ msg3 = _mm_sha1msg1_epu32(msg3, msg0);
+ msg2 = _mm_xor_si128(msg2, msg0);
- temp = _mm_sha1nexte_epu32(temp, w[1]);
+ temp = _mm_sha1nexte_epu32(temp, msg1);
e000 = abcd;
- w[2] = _mm_sha1msg2_epu32(w[2], w[1]);
+ msg2 = _mm_sha1msg2_epu32(msg2, msg1);
abcd = _mm_sha1rnds4_epu32(abcd, temp, 1);
- w[0] = _mm_sha1msg1_epu32(w[0], w[1]);
- w[3] = _mm_xor_si128(w[3], w[1]);
+ msg0 = _mm_sha1msg1_epu32(msg0, msg1);
+ msg3 = _mm_xor_si128(msg3, msg1);
- e000 = _mm_sha1nexte_epu32(e000, w[2]);
+ e000 = _mm_sha1nexte_epu32(e000, msg2);
temp = abcd;
- w[3] = _mm_sha1msg2_epu32(w[3], w[2]);
+ msg3 = _mm_sha1msg2_epu32(msg3, msg2);
abcd = _mm_sha1rnds4_epu32(abcd, e000, 2);
- w[1] = _mm_sha1msg1_epu32(w[1], w[2]);
- w[0] = _mm_xor_si128(w[0], w[2]);
+ msg1 = _mm_sha1msg1_epu32(msg1, msg2);
+ msg0 = _mm_xor_si128(msg0, msg2);
- temp = _mm_sha1nexte_epu32(temp, w[3]);
+ temp = _mm_sha1nexte_epu32(temp, msg3);
e000 = abcd;
- w[0] = _mm_sha1msg2_epu32(w[0], w[3]);
+ msg0 = _mm_sha1msg2_epu32(msg0, msg3);
abcd = _mm_sha1rnds4_epu32(abcd, temp, 2);
- w[2] = _mm_sha1msg1_epu32(w[2], w[3]);
- w[1] = _mm_xor_si128(w[1], w[3]);
+ msg2 = _mm_sha1msg1_epu32(msg2, msg3);
+ msg1 = _mm_xor_si128(msg1, msg3);
- e000 = _mm_sha1nexte_epu32(e000, w[0]);
+ e000 = _mm_sha1nexte_epu32(e000, msg0);
temp = abcd;
- w[1] = _mm_sha1msg2_epu32(w[1], w[0]);
+ msg1 = _mm_sha1msg2_epu32(msg1, msg0);
abcd = _mm_sha1rnds4_epu32(abcd, e000, 2);
- w[3] = _mm_sha1msg1_epu32(w[3], w[0]);
- w[2] = _mm_xor_si128(w[2], w[0]);
+ msg3 = _mm_sha1msg1_epu32(msg3, msg0);
+ msg2 = _mm_xor_si128(msg2, msg0);
- temp = _mm_sha1nexte_epu32(temp, w[1]);
+ temp = _mm_sha1nexte_epu32(temp, msg1);
e000 = abcd;
- w[2] = _mm_sha1msg2_epu32(w[2], w[1]);
+ msg2 = _mm_sha1msg2_epu32(msg2, msg1);
abcd = _mm_sha1rnds4_epu32(abcd, temp, 2);
- w[0] = _mm_sha1msg1_epu32(w[0], w[1]);
- w[3] = _mm_xor_si128(w[3], w[1]);
+ msg0 = _mm_sha1msg1_epu32(msg0, msg1);
+ msg3 = _mm_xor_si128(msg3, msg1);
- e000 = _mm_sha1nexte_epu32(e000, w[2]);
+ e000 = _mm_sha1nexte_epu32(e000, msg2);
temp = abcd;
- w[3] = _mm_sha1msg2_epu32(w[3], w[2]);
+ msg3 = _mm_sha1msg2_epu32(msg3, msg2);
abcd = _mm_sha1rnds4_epu32(abcd, e000, 2);
- w[1] = _mm_sha1msg1_epu32(w[1], w[2]);
- w[0] = _mm_xor_si128(w[0], w[2]);
+ msg1 = _mm_sha1msg1_epu32(msg1, msg2);
+ msg0 = _mm_xor_si128(msg0, msg2);
- temp = _mm_sha1nexte_epu32(temp, w[3]);
+ temp = _mm_sha1nexte_epu32(temp, msg3);
e000 = abcd;
- w[0] = _mm_sha1msg2_epu32(w[0], w[3]);
+ msg0 = _mm_sha1msg2_epu32(msg0, msg3);
abcd = _mm_sha1rnds4_epu32(abcd, temp, 3);
- w[2] = _mm_sha1msg1_epu32(w[2], w[3]);
- w[1] = _mm_xor_si128(w[1], w[3]);
+ msg2 = _mm_sha1msg1_epu32(msg2, msg3);
+ msg1 = _mm_xor_si128(msg1, msg3);
- e000 = _mm_sha1nexte_epu32(e000, w[0]);
+ e000 = _mm_sha1nexte_epu32(e000, msg0);
temp = abcd;
- w[1] = _mm_sha1msg2_epu32(w[1], w[0]);
+ msg1 = _mm_sha1msg2_epu32(msg1, msg0);
abcd = _mm_sha1rnds4_epu32(abcd, e000, 3);
- w[3] = _mm_sha1msg1_epu32(w[3], w[0]);
- w[2] = _mm_xor_si128(w[2], w[0]);
+ msg3 = _mm_sha1msg1_epu32(msg3, msg0);
+ msg2 = _mm_xor_si128(msg2, msg0);
- temp = _mm_sha1nexte_epu32(temp, w[1]);
+ temp = _mm_sha1nexte_epu32(temp, msg1);
e000 = abcd;
- w[2] = _mm_sha1msg2_epu32(w[2], w[1]);
+ msg2 = _mm_sha1msg2_epu32(msg2, msg1);
abcd = _mm_sha1rnds4_epu32(abcd, temp, 3);
- w[3] = _mm_xor_si128(w[3], w[1]);
+ msg3 = _mm_xor_si128(msg3, msg1);
- e000 = _mm_sha1nexte_epu32(e000, w[2]);
+ e000 = _mm_sha1nexte_epu32(e000, msg2);
temp = abcd;
- w[3] = _mm_sha1msg2_epu32(w[3], w[2]);
+ msg3 = _mm_sha1msg2_epu32(msg3, msg2);
abcd = _mm_sha1rnds4_epu32(abcd, e000, 3);
- temp = _mm_sha1nexte_epu32(temp, w[3]);
+ temp = _mm_sha1nexte_epu32(temp, msg3);
e000 = abcd;
abcd = _mm_sha1rnds4_epu32(abcd, temp, 3);
@@ -259,7 +261,7 @@ process_x86_sha(struct libsha1_state *restrict state, const unsigned char *restr
}
_mm_storeu_si128((__m128i *)&state->h[0], _mm_shuffle_epi32(abcd_orig, 32 - 5));
- state->h[4] = _mm_extract_epi32(e000_orig, 3);
+ state->h[4] = (uint_least32_t)_mm_extract_epi32(e000_orig, 3);
return off;
}
generated by cgit v1.2.3-70-g09d2 (git 2.51.0) at 2025-10-31 00:56:32 +0000