diff options
Diffstat (limited to '')
| -rw-r--r-- | src/crypto/slow-hash.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/crypto/slow-hash.c b/src/crypto/slow-hash.c index f921b2455..36bfba9fd 100644 --- a/src/crypto/slow-hash.c +++ b/src/crypto/slow-hash.c @@ -515,8 +515,11 @@ void slow_hash_free_state(void) * @param length the length in bytes of the data * @param hash a pointer to a buffer in which the final 256 bit hash will be stored */ +void cn_slow_hash(const void *data, size_t length, char *hash) { + cn_slow_hash_pre(data,length,hash,false); +} -void cn_slow_hash(const void *data, size_t length, char *hash) +void cn_slow_hash_pre(const void *data, size_t length, char *hash, bool prehashed) { RDATA_ALIGN16 uint8_t expandedKey[240]; /* These buffers are aligned to use later with SSE functions */ @@ -543,8 +546,11 @@ void cn_slow_hash(const void *data, size_t length, char *hash) slow_hash_allocate_state(); /* CryptoNight Step 1: Use Keccak1600 to initialize the 'state' (and 'text') buffers from the data. */ - - hash_process(&state.hs, data, length); + if (prehashed) { + memcpy(&state.hs, data, length); + } else { + hash_process(&state.hs, data, length); + } memcpy(text, state.init, INIT_SIZE_BYTE); /* CryptoNight Step 2: Iteratively encrypt the results from Keccak to fill |