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Merge pull request #4449

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17142ec9 malloc scratchpad for all supported android archs (m2049r)
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Riccardo Spagni 2018-09-29 22:15:31 +02:00
parent 8e98ed8c71
commit 2ec0d780c4
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GPG Key ID: 55432DF31CCD4FCD
1 changed files with 41 additions and 2 deletions
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43
src/crypto/slow-hash.c
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@ -1040,10 +1040,37 @@ STATIC INLINE void aes_pseudo_round_xor(const uint8_t *in, uint8_t *out, const u
} }
} }
#ifdef FORCE_USE_HEAP
STATIC INLINE void* aligned_malloc(size_t size, size_t align)
{
void *result;
#ifdef _MSC_VER
result = _aligned_malloc(size, align);
#else
if (posix_memalign(&result, align, size)) result = NULL;
#endif
return result;
}
STATIC INLINE void aligned_free(void *ptr)
{
#ifdef _MSC_VER
_aligned_free(ptr);
#else
free(ptr);
#endif
}
#endif /* FORCE_USE_HEAP */
void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed) void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed)
{ {
RDATA_ALIGN16 uint8_t expandedKey[240]; RDATA_ALIGN16 uint8_t expandedKey[240];
#ifndef FORCE_USE_HEAP
RDATA_ALIGN16 uint8_t hp_state[MEMORY]; RDATA_ALIGN16 uint8_t hp_state[MEMORY];
#else
uint8_t *hp_state = (uint8_t *)aligned_malloc(MEMORY,16);
#endif
uint8_t text[INIT_SIZE_BYTE]; uint8_t text[INIT_SIZE_BYTE];
RDATA_ALIGN16 uint64_t a[2]; RDATA_ALIGN16 uint64_t a[2];
@ -1129,6 +1156,10 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int
memcpy(state.init, text, INIT_SIZE_BYTE); memcpy(state.init, text, INIT_SIZE_BYTE);
hash_permutation(&state.hs); hash_permutation(&state.hs);
extra_hashes[state.hs.b[0] & 3](&state, 200, hash); extra_hashes[state.hs.b[0] & 3](&state, 200, hash);
#ifdef FORCE_USE_HEAP
aligned_free(hp_state);
#endif
} }
#else /* aarch64 && crypto */ #else /* aarch64 && crypto */
@ -1270,8 +1301,7 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int
#ifndef FORCE_USE_HEAP #ifndef FORCE_USE_HEAP
uint8_t long_state[MEMORY]; uint8_t long_state[MEMORY];
#else #else
uint8_t *long_state = NULL; uint8_t *long_state = (uint8_t *)malloc(MEMORY);
long_state = (uint8_t *)malloc(MEMORY);
#endif #endif
if (prehashed) { if (prehashed) {
@ -1449,7 +1479,12 @@ union cn_slow_hash_state {
#pragma pack(pop) #pragma pack(pop)
void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed) { void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed) {
#ifndef FORCE_USE_HEAP
uint8_t long_state[MEMORY]; uint8_t long_state[MEMORY];
#else
uint8_t *long_state = (uint8_t *)malloc(MEMORY);
#endif
union cn_slow_hash_state state; union cn_slow_hash_state state;
uint8_t text[INIT_SIZE_BYTE]; uint8_t text[INIT_SIZE_BYTE];
uint8_t a[AES_BLOCK_SIZE]; uint8_t a[AES_BLOCK_SIZE];
@ -1534,6 +1569,10 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int
/*memcpy(hash, &state, 32);*/ /*memcpy(hash, &state, 32);*/
extra_hashes[state.hs.b[0] & 3](&state, 200, hash); extra_hashes[state.hs.b[0] & 3](&state, 200, hash);
oaes_free((OAES_CTX **) &aes_ctx); oaes_free((OAES_CTX **) &aes_ctx);
#ifdef FORCE_USE_HEAP
free(long_state);
#endif
} }
#endif #endif