PRECOMP256_ROW *precomp;
void *precomp_storage;
int references;
+ CRYPTO_RWLOCK *lock;
};
/* Functions implemented in assembly */
{
in |= (0 - in);
in = ~in;
- in &= BN_MASK2;
in >>= BN_BITS2 - 1;
return in;
}
* implicit value of infinity at index zero. We use window of size 7, and
* therefore require ceil(256/7) = 37 tables.
*/
- BIGNUM *order;
+ const BIGNUM *order;
EC_POINT *P = NULL, *T = NULL;
const EC_POINT *generator;
NISTZ256_PRE_COMP *pre_comp;
}
BN_CTX_start(ctx);
- order = BN_CTX_get(ctx);
+ order = EC_GROUP_get0_order(group);
if (order == NULL)
goto err;
- if (!EC_GROUP_get_order(group, order, ctx))
- goto err;
-
if (BN_is_zero(order)) {
ECerr(EC_F_ECP_NISTZ256_MULT_PRECOMPUTE, EC_R_UNKNOWN_ORDER);
goto err;
ret->group = group;
ret->w = 6; /* default */
- ret->precomp = NULL;
- ret->precomp_storage = NULL;
ret->references = 1;
+
+ ret->lock = CRYPTO_THREAD_lock_new();
+ if (ret->lock == NULL) {
+ ECerr(EC_F_ECP_NISTZ256_PRE_COMP_NEW, ERR_R_MALLOC_FAILURE);
+ OPENSSL_free(ret);
+ return NULL;
+ }
return ret;
}
NISTZ256_PRE_COMP *EC_nistz256_pre_comp_dup(NISTZ256_PRE_COMP *p)
{
+ int i;
if (p != NULL)
- CRYPTO_add(&p->references, 1, CRYPTO_LOCK_EC_PRE_COMP);
+ CRYPTO_atomic_add(&p->references, 1, &i, p->lock);
return p;
}
void EC_nistz256_pre_comp_free(NISTZ256_PRE_COMP *pre)
{
- if (pre == NULL
- || CRYPTO_add(&pre->references, -1, CRYPTO_LOCK_EC_PRE_COMP) > 0)
+ int i;
+
+ if (pre == NULL)
return;
+
+ CRYPTO_atomic_add(&pre->references, -1, &i, pre->lock);
+ REF_PRINT_COUNT("EC_nistz256", x);
+ if (i > 0)
+ return;
+ REF_ASSERT_ISNT(i < 0);
+
OPENSSL_free(pre->precomp_storage);
+ CRYPTO_THREAD_lock_free(pre->lock);
OPENSSL_free(pre);
}
ec_GFp_mont_group_set_curve,
ec_GFp_simple_group_get_curve,
ec_GFp_simple_group_get_degree,
+ ec_group_simple_order_bits,
ec_GFp_simple_group_check_discriminant,
ec_GFp_simple_point_init,
ec_GFp_simple_point_finish,
0, /* field_div */
ec_GFp_mont_field_encode,
ec_GFp_mont_field_decode,
- ec_GFp_mont_field_set_to_one
+ ec_GFp_mont_field_set_to_one,
+ ec_key_simple_priv2oct,
+ ec_key_simple_oct2priv,
+ 0, /* set private */
+ ec_key_simple_generate_key,
+ ec_key_simple_check_key,
+ ec_key_simple_generate_public_key,
+ 0, /* keycopy */
+ 0, /* keyfinish */
+ ecdh_simple_compute_key
};
return &ret;