Fix memory leak on exception in Key::SignCompact

12 years ago · a9280652ce
parent 173601705c
commit a9280652ce
1 changed files with 3 additions and 0 deletions
--- a/src/key.cpp
+++ b/src/key.cpp
@ -328,7 +328,10 @@ bool CKey::SignCompact(uint256 hash, std::vector<unsigned char>& vchSig)
        }

        if (nRecId == -1)
+        {
+            ECDSA_SIG_free(sig);
            throw key_error("CKey::SignCompact() : unable to construct recoverable key");
+        }

        vchSig[0] = nRecId+27+(fCompressedPubKey ? 4 : 0);
        BN_bn2bin(sig->r,&vchSig[33-(nBitsR+7)/8]);