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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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2
src/modules/extrakeys/main_impl.h
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@@ -28,7 +28,7 @@ int secp256k1_xonly_pubkey_parse(const secp256k1_context* ctx, secp256k1_xonly_p
memset(pubkey, 0, sizeof(*pubkey));
ARG_CHECK(input32 != NULL);
if (!secp256k1_fe_set_b32(&x, input32)) {
if (!secp256k1_fe_set_b32_limit(&x, input32)) {
return 0;
}
if (!secp256k1_ge_set_xo_var(&pk, &x, 0)) {

2
src/modules/extrakeys/tests_exhaustive_impl.h
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@@ -47,7 +47,7 @@ static void test_exhaustive_extrakeys(const secp256k1_context *ctx, const secp25
CHECK(secp256k1_memcmp_var(xonly_pubkey_bytes[i - 1], buf, 32) == 0);
/* Compare the xonly_pubkey bytes against the precomputed group. */
secp256k1_fe_set_b32(&fe, xonly_pubkey_bytes[i - 1]);
secp256k1_fe_set_b32_mod(&fe, xonly_pubkey_bytes[i - 1]);
CHECK(secp256k1_fe_equal_var(&fe, &group[i].x));
/* Check the parity against the precomputed group. */