fail immediately on an empty signature

Github-Pull: #5634 Rebased-From: 8dccba6a45
2015-01-10 08:58:47 +01:00 · 2015-01-10 08:58:47 +01:00 · 60c51f1c38
parent f047dfa7df
commit 60c51f1c38
1 changed files with 3 additions and 0 deletions
--- a/src/key.cpp
+++ b/src/key.cpp
@ -227,6 +227,9 @@ public:
    }

    bool 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.
        unsigned char *norm_der = NULL;
        ECDSA_SIG *norm_sig = ECDSA_SIG_new();