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Make secp256k1_eckey_pubkey_serialize fail for infinity

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This commit is contained in:
Pieter Wuille
2014-11-18 12:32:53 +01:00
parent 11a78460f4
commit bbe67d8b29
3 changed files with 19 additions and 12 deletions
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13
src/secp256k1.c
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@@ -150,8 +150,7 @@ int secp256k1_ecdsa_recover_compact(const unsigned char *msg, int msglen, const
secp256k1_ge_t q;
if (secp256k1_ecdsa_sig_recover(&sig, &q, &m, recid)) {
secp256k1_eckey_pubkey_serialize(&q, pubkey, pubkeylen, compressed);
ret = 1;
ret = secp256k1_eckey_pubkey_serialize(&q, pubkey, pubkeylen, compressed);
}
return ret;
}
@@ -187,8 +186,7 @@ int secp256k1_ec_pubkey_create(unsigned char *pubkey, int *pubkeylen, const unsi
secp256k1_scalar_clear(&sec);
secp256k1_ge_t p;
secp256k1_ge_set_gej(&p, &pj);
secp256k1_eckey_pubkey_serialize(&p, pubkey, pubkeylen, compressed);
return 1;
return secp256k1_eckey_pubkey_serialize(&p, pubkey, pubkeylen, compressed);
}
int secp256k1_ec_pubkey_decompress(unsigned char *pubkey, int *pubkeylen) {
@@ -198,8 +196,7 @@ int secp256k1_ec_pubkey_decompress(unsigned char *pubkey, int *pubkeylen) {
secp256k1_ge_t p;
if (!secp256k1_eckey_pubkey_parse(&p, pubkey, *pubkeylen))
return 0;
secp256k1_eckey_pubkey_serialize(&p, pubkey, pubkeylen, 0);
return 1;
return secp256k1_eckey_pubkey_serialize(&p, pubkey, pubkeylen, 0);
}
int secp256k1_ec_privkey_tweak_add(unsigned char *seckey, const unsigned char *tweak) {
@@ -236,7 +233,7 @@ int secp256k1_ec_pubkey_tweak_add(unsigned char *pubkey, int pubkeylen, const un
}
if (ret) {
int oldlen = pubkeylen;
secp256k1_eckey_pubkey_serialize(&p, pubkey, &pubkeylen, oldlen <= 33);
ret = secp256k1_eckey_pubkey_serialize(&p, pubkey, &pubkeylen, oldlen <= 33);
VERIFY_CHECK(pubkeylen == oldlen);
}
@@ -276,7 +273,7 @@ int secp256k1_ec_pubkey_tweak_mul(unsigned char *pubkey, int pubkeylen, const un
}
if (ret) {
int oldlen = pubkeylen;
secp256k1_eckey_pubkey_serialize(&p, pubkey, &pubkeylen, oldlen <= 33);
ret = secp256k1_eckey_pubkey_serialize(&p, pubkey, &pubkeylen, oldlen <= 33);
VERIFY_CHECK(pubkeylen == oldlen);
}