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Add _normalizes_to_zero_var variant

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This commit is contained in:
Peter Dettman
2014-12-13 17:14:26 +07:00
committed by Pieter Wuille
parent eed599dd72
commit 49ee0dbe16
5 changed files with 78 additions and 6 deletions
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src/field_impl.h
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@@ -64,12 +64,11 @@ static int secp256k1_fe_set_hex(secp256k1_fe_t *r, const char *a, int alen) {
return secp256k1_fe_set_b32(r, tmp);
}
/* TODO Not actually var currently */
SECP256K1_INLINE static int secp256k1_fe_equal_var(const secp256k1_fe_t *a, const secp256k1_fe_t *b) {
secp256k1_fe_t na;
secp256k1_fe_negate(&na, a, 1);
secp256k1_fe_add(&na, b);
return secp256k1_fe_normalizes_to_zero(&na);
return secp256k1_fe_normalizes_to_zero_var(&na);
}
static int secp256k1_fe_sqrt_var(secp256k1_fe_t *r, const secp256k1_fe_t *a) {