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Split fe_set_b32 into reducing and normalizing variants

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This commit is contained in:
Pieter Wuille
2023-02-05 17:19:00 -05:00
parent 006ddc1f42
commit 5b32602295
16 changed files with 69 additions and 40 deletions
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23
src/field_impl.h
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@@ -260,13 +260,26 @@ SECP256K1_INLINE static int secp256k1_fe_cmp_var(const secp256k1_fe *a, const se
return secp256k1_fe_impl_cmp_var(a, b);
}
static int secp256k1_fe_impl_set_b32(secp256k1_fe *r, const unsigned char *a);
SECP256K1_INLINE static int secp256k1_fe_set_b32(secp256k1_fe *r, const unsigned char *a) {
int ret = secp256k1_fe_impl_set_b32(r, a);
static void secp256k1_fe_impl_set_b32_mod(secp256k1_fe *r, const unsigned char *a);
SECP256K1_INLINE static void secp256k1_fe_set_b32_mod(secp256k1_fe *r, const unsigned char *a) {
secp256k1_fe_impl_set_b32_mod(r, a);
r->magnitude = 1;
r->normalized = ret;
r->normalized = 0;
secp256k1_fe_verify(r);
return ret;
}
static int secp256k1_fe_impl_set_b32_limit(secp256k1_fe *r, const unsigned char *a);
SECP256K1_INLINE static int secp256k1_fe_set_b32_limit(secp256k1_fe *r, const unsigned char *a) {
if (secp256k1_fe_impl_set_b32_limit(r, a)) {
r->magnitude = 1;
r->normalized = 1;
secp256k1_fe_verify(r);
return 1;
} else {
/* Mark the output field element as invalid. */
r->magnitude = -1;
return 0;
}
}
static void secp256k1_fe_impl_get_b32(unsigned char *r, const secp256k1_fe *a);