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use new _eckey_pubkey_serialize{33,65} functions in modules (ellswift,musig)

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Sebastian Falbesoner
2025-11-17 18:13:56 +01:00
parent adb76f82ea
commit 0d3659c547
3 changed files with 5 additions and 42 deletions
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9
src/modules/ellswift/main_impl.h
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@@ -406,19 +406,12 @@ int secp256k1_ellswift_encode(const secp256k1_context *ctx, unsigned char *ell64
if (secp256k1_pubkey_load(ctx, &p, pubkey)) {
secp256k1_fe t;
unsigned char p64[64] = {0};
size_t ser_size;
int ser_ret;
secp256k1_sha256 hash;
/* Set up hasher state; the used RNG is H(pubkey || "\x00"*31 || rnd32 || cnt++), using
* BIP340 tagged hash with tag "secp256k1_ellswift_encode". */
secp256k1_ellswift_sha256_init_encode(&hash);
ser_ret = secp256k1_eckey_pubkey_serialize(&p, p64, &ser_size, 1);
#ifdef VERIFY
VERIFY_CHECK(ser_ret && ser_size == 33);
#else
(void)ser_ret;
#endif
secp256k1_eckey_pubkey_serialize33(&p, p64);
secp256k1_sha256_write(&hash, p64, sizeof(p64));
secp256k1_sha256_write(&hash, rnd32, 32);