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fail immediately on an empty signature

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Github-Pull: #5634
Rebased-From: 8dccba6a45
This commit is contained in:
Cory Fields 2015-01-09 22:06:08 -05:00 committed by Wladimir J. van der Laan
parent 2d375fe97b
commit 76ce5c8de3
No known key found for this signature in database
GPG Key ID: 74810B012346C9A6
1 changed files with 3 additions and 0 deletions
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src/ecwrapper.cpp
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@ -117,6 +117,9 @@ bool CECKey::SetPubKey(const unsigned char* pubkey, size_t size) {
} }
bool CECKey::Verify(const uint256 &hash, const std::vector<unsigned char>& vchSig) { bool CECKey::Verify(const uint256 &hash, const std::vector<unsigned char>& vchSig) {
if (vchSig.empty())
return false;
// New versions of OpenSSL will reject non-canonical DER signatures. de/re-serialize first. // New versions of OpenSSL will reject non-canonical DER signatures. de/re-serialize first.
unsigned char *norm_der = NULL; unsigned char *norm_der = NULL;
ECDSA_SIG *norm_sig = ECDSA_SIG_new(); ECDSA_SIG *norm_sig = ECDSA_SIG_new();