diff options
| -rw-r--r-- | whisper/message.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/whisper/message.go b/whisper/message.go index 0513627b4..07c673567 100644 --- a/whisper/message.go +++ b/whisper/message.go @@ -94,6 +94,11 @@ func (self *Message) sign(key *ecdsa.PrivateKey) (err error) { func (self *Message) Recover() *ecdsa.PublicKey { defer func() { recover() }() // in case of invalid signature + // Short circuit if no signature is present + if self.Signature == nil { + return nil + } + // Otherwise try and recover the signature pub, err := crypto.SigToPub(self.hash(), self.Signature) if err != nil { glog.V(logger.Error).Infof("Could not get public key from signature: %v", err) |