diff options
Diffstat (limited to 'libkeccak_hmac_digest.c')
| -rw-r--r-- | libkeccak_hmac_digest.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/libkeccak_hmac_digest.c b/libkeccak_hmac_digest.c index aebb80b..76f21f6 100644 --- a/libkeccak_hmac_digest.c +++ b/libkeccak_hmac_digest.c @@ -1,4 +1,5 @@ /* See LICENSE file for copyright and license details. */ +#define NEED_EXPLICIT_BZERO 1 #include "common.h" @@ -20,10 +21,10 @@ int libkeccak_hmac_digest(struct libkeccak_hmac_state *restrict state, const void *restrict msg_, size_t msglen, size_t bits, const char *restrict suffix, void *restrict hashsum) { - const char *restrict msg = msg_; + const unsigned char *restrict msg = msg_; size_t hashsize = (size_t)(state->sponge.n >> 3); char *tmp = malloc((size_t)((state->sponge.n + 7) >> 3) * sizeof(char)); - char leftover[2]; + unsigned char leftover[2]; size_t newlen; if (!tmp) @@ -39,8 +40,8 @@ libkeccak_hmac_digest(struct libkeccak_hmac_state *restrict state, const void *r goto fail; leftover[0] = state->leftover; if (bits) { - leftover[0] |= (char)(msg[msglen] >> (state->key_length & 7)); - leftover[1] = (char)((unsigned char)msg[msglen] << (8 - (state->key_length & 7))); + leftover[0] |= (unsigned char)(msg[msglen] >> (state->key_length & 7)); + leftover[1] = (unsigned char)(msg[msglen] << (8 - (state->key_length & 7))); } newlen = (state->key_length & 7) + bits; if (libkeccak_digest(&state->sponge, leftover, newlen >> 3, newlen & 7, suffix, tmp) < 0) @@ -62,8 +63,8 @@ stage_2: goto fail; leftover[0] = state->leftover; if (bits) { - leftover[0] |= (char)(tmp[hashsize] >> (state->key_length & 7)); - leftover[1] = (char)((unsigned char)tmp[hashsize] << (8 - (state->key_length & 7))); + leftover[0] |= (unsigned char)(tmp[hashsize] >> (state->key_length & 7)); + leftover[1] = (unsigned char)(tmp[hashsize] << (8 - (state->key_length & 7))); } newlen = (state->key_length & 7) + bits; if (libkeccak_digest(&state->sponge, leftover, newlen >> 3, newlen & 7, suffix, tmp) < 0) |