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Merge pull request #4404

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f3cd51a1 cryptonote tweak v2.2 (Lee Clagett)
This commit is contained in:
Riccardo Spagni 2018-09-22 20:32:39 +02:00
commit fb47963e09
No known key found for this signature in database
GPG Key ID: 55432DF31CCD4FCD
2 changed files with 30 additions and 10 deletions
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20
src/crypto/slow-hash.c
View File

@ -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);

20
tests/hash/tests-slow-2.txt
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@ -1,10 +1,10 @@
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