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Make secp256k1_{fe,ge,gej}_verify work as no-op if non-VERIFY

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This commit is contained in:
Pieter Wuille
2023-05-09 12:46:00 -04:00
parent f20266722a
commit 0a2e0b2ae4
5 changed files with 15 additions and 119 deletions
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9
src/field_10x26_impl.h
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@@ -21,8 +21,8 @@
* - 2*M*(2^26-1) is the max (inclusive) of the remaining limbs
*/
#ifdef VERIFY
static void secp256k1_fe_verify(const secp256k1_fe *a) {
#ifdef VERIFY
const uint32_t *d = a->n;
int m = a->normalized ? 1 : 2 * a->magnitude, r = 1;
r &= (d[0] <= 0x3FFFFFFUL * m);
@@ -47,8 +47,9 @@ static void secp256k1_fe_verify(const secp256k1_fe *a) {
}
}
VERIFY_CHECK(r == 1);
}
#endif
(void)a;
}
static void secp256k1_fe_get_bounds(secp256k1_fe *r, int m) {
VERIFY_CHECK(m >= 0);
@@ -458,9 +459,7 @@ SECP256K1_INLINE static void secp256k1_fe_mul_int(secp256k1_fe *r, int a) {
}
SECP256K1_INLINE static void secp256k1_fe_add(secp256k1_fe *r, const secp256k1_fe *a) {
#ifdef VERIFY
secp256k1_fe_verify(a);
#endif
r->n[0] += a->n[0];
r->n[1] += a->n[1];
r->n[2] += a->n[2];
@@ -479,11 +478,9 @@ SECP256K1_INLINE static void secp256k1_fe_add(secp256k1_fe *r, const secp256k1_f
}
SECP256K1_INLINE static void secp256k1_fe_add_int(secp256k1_fe *r, int a) {
#ifdef VERIFY
secp256k1_fe_verify(r);
VERIFY_CHECK(a >= 0);
VERIFY_CHECK(a <= 0x7FFF);
#endif
r->n[0] += a;
#ifdef VERIFY
r->magnitude += 1;