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secp256k1
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Merge #213: Removed gotos, which are hard to trace and maintain. 

11690d3 Removed gotos, which are hard to trace and maintain. (Iang)
This commit is contained in:
Pieter Wuille 2015-02-13 10:41:03 -08:00
parent 122a1ecf30 11690d3bb9
commit 7b2fc1cac6
No known key found for this signature in database
GPG Key ID: 57896D2FF8F0B657
1 changed files with 5 additions and 10 deletions
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15
src/secp256k1.c
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@ -37,7 +37,6 @@ int secp256k1_ecdsa_verify(const unsigned char *msg32, const unsigned char *sig,
secp256k1_ge_t q;
secp256k1_ecdsa_sig_t s;
secp256k1_scalar_t m;
int ret = -3;
DEBUG_CHECK(secp256k1_ecmult_consts != NULL);
DEBUG_CHECK(msg32 != NULL);
DEBUG_CHECK(sig != NULL);
@ -46,20 +45,16 @@ int secp256k1_ecdsa_verify(const unsigned char *msg32, const unsigned char *sig,
secp256k1_scalar_set_b32(&m, msg32, NULL);
if (!secp256k1_eckey_pubkey_parse(&q, pubkey, pubkeylen)) {
ret = -1;
goto end;
return -1;
}
if (!secp256k1_ecdsa_sig_parse(&s, sig, siglen)) {
ret = -2;
goto end;
return -2;
}
if (!secp256k1_ecdsa_sig_verify(&s, &q, &m)) {
ret = 0;
goto end;
return 0;
}
ret = 1;
end:
return ret;
/* success is 1, all other values are fail */
return 1;
}
static int nonce_function_rfc6979(unsigned char *nonce32, const unsigned char *msg32, const unsigned char *key32, unsigned int counter, const void *data) {