diff options
Diffstat (limited to 'libkeccak_hmac_set_key.c')
| -rw-r--r-- | libkeccak_hmac_set_key.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/libkeccak_hmac_set_key.c b/libkeccak_hmac_set_key.c index f8f6a39..60ef775 100644 --- a/libkeccak_hmac_set_key.c +++ b/libkeccak_hmac_set_key.c @@ -23,9 +23,11 @@ libkeccak_hmac_set_key(struct libkeccak_hmac_state *restrict state, const void * if (size != key_bytes) { state->key_opad = realloc(old = state->key_opad, 2 * size); - if (!state->key_opad) - return state->key_opad = old, -1; - state->key_ipad = state->key_opad + size / sizeof(char); + if (!state->key_opad) { + state->key_opad = old; + return -1; + } + state->key_ipad = state->key_opad + size; } memcpy(state->key_opad, key, key_bytes); @@ -33,7 +35,7 @@ libkeccak_hmac_set_key(struct libkeccak_hmac_state *restrict state, const void * state->key_opad[(key_bytes >> 3) - 1] &= (unsigned char)((1 << (key_length & 7)) - 1); if ((size_t)(state->sponge.r) > key_length) - __builtin_memset(state->key_opad + key_bytes / sizeof(char), 0, size - key_bytes); + __builtin_memset(state->key_opad + key_bytes, 0, size - key_bytes); for (i = 0; i < size; i++) { state->key_ipad[i] = state->key_opad[i] ^ HMAC_INNER_PAD; |