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| author | Lee Clagett <code@leeclagett.com> | 2018-09-19 00:30:58 -0400 |
|---|---|---|
| committer | Lee Clagett <code@leeclagett.com> | 2018-09-22 03:47:50 +0000 |
| commit | f3cd51a12b202875bd8191668aceb8a4f810ecd4 (patch) | |
| tree | 3c0e73146233fe57fdbd59ab8d85eafd0cbbd362 /src/crypto/slow-hash.c | |
| parent | Merge pull request #4381 (diff) | |
| download | monero-f3cd51a12b202875bd8191668aceb8a4f810ecd4.tar.xz | |
cryptonote tweak v2.2
Diffstat (limited to 'src/crypto/slow-hash.c')
| -rw-r--r-- | src/crypto/slow-hash.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/crypto/slow-hash.c b/src/crypto/slow-hash.c index 914ba6dc0..80bf4e06f 100644 --- a/src/crypto/slow-hash.c +++ b/src/crypto/slow-hash.c @@ -198,6 +198,22 @@ extern int aesb_pseudo_round(const uint8_t *in, uint8_t *out, const uint8_t *exp } while (0) #endif +#define VARIANT2_2_PORTABLE() \ + if (variant >= 2) { \ + xor_blocks(long_state + (j ^ 0x10), d); \ + xor_blocks(d, long_state + (j ^ 0x20)); \ + } + +#define VARIANT2_2() \ + do if (variant >= 2) \ + { \ + *U64(hp_state + (j ^ 0x10)) ^= hi; \ + *(U64(hp_state + (j ^ 0x10)) + 1) ^= lo; \ + hi ^= *U64(hp_state + (j ^ 0x20)); \ + lo ^= *(U64(hp_state + (j ^ 0x20)) + 1); \ + } while (0) + + #if !defined NO_AES && (defined(__x86_64__) || (defined(_MSC_VER) && defined(_WIN64))) // Optimised code below, uses x86-specific intrinsics, SSE2, AES-NI // Fall back to more portable code is down at the bottom @@ -282,6 +298,7 @@ extern int aesb_pseudo_round(const uint8_t *in, uint8_t *out, const uint8_t *exp b[0] = p[0]; b[1] = p[1]; \ VARIANT2_INTEGER_MATH_SSE2(b, c); \ __mul(); \ + VARIANT2_2(); \ VARIANT2_SHUFFLE_ADD_SSE2(hp_state, j); \ a[0] += hi; a[1] += lo; \ p = U64(&hp_state[j]); \ @@ -884,6 +901,7 @@ union cn_slow_hash_state b[0] = p[0]; b[1] = p[1]; \ VARIANT2_PORTABLE_INTEGER_MATH(b, c); \ __mul(); \ + VARIANT2_2(); \ VARIANT2_SHUFFLE_ADD_NEON(hp_state, j); \ a[0] += hi; a[1] += lo; \ p = U64(&hp_state[j]); \ @@ -1305,6 +1323,7 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int VARIANT2_PORTABLE_INTEGER_MATH(c, c1); mul(c1, c, d); + VARIANT2_2_PORTABLE(); VARIANT2_PORTABLE_SHUFFLE_ADD(long_state, j); sum_half_blocks(a, d); swap_blocks(a, c); @@ -1486,6 +1505,7 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int copy_block(c2, &long_state[j]); VARIANT2_PORTABLE_INTEGER_MATH(c2, c1); mul(c1, c2, d); + VARIANT2_2_PORTABLE(); VARIANT2_PORTABLE_SHUFFLE_ADD(long_state, j); swap_blocks(a, c1); sum_half_blocks(c1, d); |