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Update slow-hash.c

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Fixed scratchpad initialization/finalization for faster looping.
This commit is contained in:
NoodleDoodleNoodleDoodleNoodleDoodleNoo 2014-05-07 11:15:45 -07:00
parent 9b7accb257
commit 3cc45e9324
1 changed files with 4 additions and 6 deletions
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8
src/crypto/slow-hash.c
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@ -95,12 +95,11 @@ void cn_slow_hash(const void *data, size_t length, char *hash) {
memcpy(text, state.init, INIT_SIZE_BYTE);
memcpy(aes_key, state.hs.b, AES_KEY_SIZE);
aes_ctx = oaes_alloc();
oaes_key_import_data(aes_ctx, aes_key, AES_KEY_SIZE);
for (i = 0; i < MEMORY / INIT_SIZE_BYTE; i++) {
for (j = 0; j < INIT_SIZE_BLK; j++) {
oaes_key_import_data(aes_ctx, aes_key, AES_KEY_SIZE);
oaes_pseudo_encrypt_ecb(aes_ctx, &text[AES_BLOCK_SIZE * j]);
/*memcpy(aes_key, &text[AES_BLOCK_SIZE * j], AES_KEY_SIZE);*/
memcpy(aes_key, state.hs.b, AES_KEY_SIZE);
}
memcpy(&long_state[i * INIT_SIZE_BYTE], text, INIT_SIZE_BYTE);
}
@ -137,10 +136,9 @@ void cn_slow_hash(const void *data, size_t length, char *hash) {
}
memcpy(text, state.init, INIT_SIZE_BYTE);
oaes_key_import_data(aes_ctx, &state.hs.b[32], AES_KEY_SIZE);
for (i = 0; i < MEMORY / INIT_SIZE_BYTE; i++) {
for (j = 0; j < INIT_SIZE_BLK; j++) {
/*oaes_key_import_data(aes_ctx, &long_state[i * INIT_SIZE_BYTE + j * AES_BLOCK_SIZE], AES_KEY_SIZE);*/
oaes_key_import_data(aes_ctx, &state.hs.b[32], AES_KEY_SIZE);
xor_blocks(&text[j * AES_BLOCK_SIZE], &long_state[i * INIT_SIZE_BYTE + j * AES_BLOCK_SIZE]);
oaes_pseudo_encrypt_ecb(aes_ctx, &text[j * AES_BLOCK_SIZE]);
}