mirror of
https://github.com/jedisct1/libsodium.git
synced 2024-12-23 20:15:19 -07:00
Add memory fences where supported
This commit is contained in:
parent
3a6a6025cc
commit
e95d437f84
@ -156,6 +156,7 @@ SHA256_Pad(crypto_hash_sha256_state *state, uint32_t tmp32[64 + 8])
|
||||
unsigned int r;
|
||||
unsigned int i;
|
||||
|
||||
ACQUIRE_FENCE;
|
||||
r = (unsigned int) ((state->count >> 3) & 0x3f);
|
||||
if (r < 56) {
|
||||
for (i = 0; i < 56 - r; i++) {
|
||||
@ -197,6 +198,7 @@ crypto_hash_sha256_update(crypto_hash_sha256_state *state,
|
||||
if (inlen <= 0U) {
|
||||
return 0;
|
||||
}
|
||||
ACQUIRE_FENCE;
|
||||
r = (unsigned long long) ((state->count >> 3) & 0x3f);
|
||||
|
||||
state->count += ((uint64_t) inlen) << 3;
|
||||
|
@ -175,6 +175,7 @@ SHA512_Pad(crypto_hash_sha512_state *state, uint64_t tmp64[80 + 8])
|
||||
unsigned int r;
|
||||
unsigned int i;
|
||||
|
||||
ACQUIRE_FENCE;
|
||||
r = (unsigned int) ((state->count[1] >> 3) & 0x7f);
|
||||
if (r < 112) {
|
||||
for (i = 0; i < 112 - r; i++) {
|
||||
@ -218,6 +219,7 @@ crypto_hash_sha512_update(crypto_hash_sha512_state *state,
|
||||
if (inlen <= 0U) {
|
||||
return 0;
|
||||
}
|
||||
ACQUIRE_FENCE;
|
||||
r = (unsigned long long) ((state->count[1] >> 3) & 0x7f);
|
||||
|
||||
bitlen[1] = ((uint64_t) inlen) << 3;
|
||||
|
@ -57,6 +57,7 @@ sodium_strnlen(const char *str, size_t maxlen)
|
||||
{
|
||||
size_t i = 0U;
|
||||
|
||||
ACQUIRE_FENCE;
|
||||
while (i < maxlen && str[i] != 0) {
|
||||
i++;
|
||||
}
|
||||
|
@ -7,6 +7,7 @@
|
||||
#include "crypto_sign_ed25519.h"
|
||||
#include "crypto_verify_32.h"
|
||||
#include "sign_ed25519_ref10.h"
|
||||
#include "private/common.h"
|
||||
#include "private/ed25519_ref10.h"
|
||||
#include "utils.h"
|
||||
|
||||
@ -23,6 +24,7 @@ _crypto_sign_ed25519_verify_detached(const unsigned char *sig,
|
||||
ge25519_p3 A;
|
||||
ge25519_p2 R;
|
||||
|
||||
ACQUIRE_FENCE;
|
||||
#ifdef ED25519_COMPAT
|
||||
if (sig[63] & 224) {
|
||||
return -1;
|
||||
|
@ -258,4 +258,10 @@ extern void ct_unpoison(const void *, size_t);
|
||||
# define UNPOISON(X, L) (void) 0
|
||||
#endif
|
||||
|
||||
#ifdef __ATOMIC_ACQUIRE
|
||||
# define ACQUIRE_FENCE __atomic_thread_fence(__ATOMIC_ACQUIRE)
|
||||
#else
|
||||
# define ACQUIRE_FENCE (void) 0
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
@ -7,6 +7,7 @@
|
||||
#include <string.h>
|
||||
|
||||
#include "core.h"
|
||||
#include "private/common.h"
|
||||
#include "utils.h"
|
||||
|
||||
/* Derived from original code by CodesInChaos */
|
||||
@ -250,6 +251,7 @@ _sodium_base642bin_skip_padding(const char * const b64, const size_t b64_len,
|
||||
errno = ERANGE;
|
||||
return -1;
|
||||
}
|
||||
ACQUIRE_FENCE;
|
||||
c = b64[*b64_pos_p];
|
||||
if (c == '=') {
|
||||
padding_len--;
|
||||
|
Loading…
Reference in New Issue
Block a user