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field: remove secp256k1_fe_equal_var

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`fe_equal_var` hits a fast path only when the inputs are unequal, which is
uncommon among its callers (public key parsing, ECDSA verify).
This commit is contained in:
siv2r
2022-01-31 04:43:57 +05:30
parent bb4efd6404
commit 54058d16fe
7 changed files with 31 additions and 50 deletions
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2
src/modules/extrakeys/tests_exhaustive_impl.h
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@@ -48,7 +48,7 @@ static void test_exhaustive_extrakeys(const secp256k1_context *ctx, const secp25
/* Compare the xonly_pubkey bytes against the precomputed group. */
secp256k1_fe_set_b32_mod(&fe, xonly_pubkey_bytes[i - 1]);
CHECK(secp256k1_fe_equal_var(&fe, &group[i].x));
CHECK(secp256k1_fe_equal(&fe, &group[i].x));
/* Check the parity against the precomputed group. */
fe = group[i].y;

2
src/modules/schnorrsig/main_impl.h
View File

@@ -261,7 +261,7 @@ int secp256k1_schnorrsig_verify(const secp256k1_context* ctx, const unsigned cha
secp256k1_fe_normalize_var(&r.y);
return !secp256k1_fe_is_odd(&r.y) &&
secp256k1_fe_equal_var(&rx, &r.x);
secp256k1_fe_equal(&rx, &r.x);
}
#endif