diff options
Diffstat (limited to 'libkeccak_hmac_set_key.c')
| -rw-r--r-- | libkeccak_hmac_set_key.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libkeccak_hmac_set_key.c b/libkeccak_hmac_set_key.c index 89c01e6..f8f6a39 100644 --- a/libkeccak_hmac_set_key.c +++ b/libkeccak_hmac_set_key.c @@ -14,7 +14,7 @@ int libkeccak_hmac_set_key(struct libkeccak_hmac_state *restrict state, const void *restrict key, size_t key_length) { size_t i, size, new_key_length, key_bytes; - char *old; + unsigned char *old; size = (size_t)(state->sponge.r) > key_length ? (size_t)(state->sponge.r) : key_length; new_key_length = size; @@ -30,7 +30,7 @@ libkeccak_hmac_set_key(struct libkeccak_hmac_state *restrict state, const void * memcpy(state->key_opad, key, key_bytes); if (key_length & 7) - state->key_opad[(key_bytes >> 3) - 1] &= (char)((1 << (key_length & 7)) - 1); + 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); |