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Diffstat (limited to 'whisper/whisperv6/envelope.go')
| -rw-r--r-- | whisper/whisperv6/envelope.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/whisper/whisperv6/envelope.go b/whisper/whisperv6/envelope.go index 2c80d47bc..2f947f1a4 100644 --- a/whisper/whisperv6/envelope.go +++ b/whisper/whisperv6/envelope.go @@ -208,6 +208,10 @@ func (e *Envelope) OpenSymmetric(key []byte) (msg *ReceivedMessage, err error) { // Open tries to decrypt an envelope, and populates the message fields in case of success. func (e *Envelope) Open(watcher *Filter) (msg *ReceivedMessage) { + if watcher == nil { + return nil + } + // The API interface forbids filters doing both symmetric and asymmetric encryption. if watcher.expectsAsymmetricEncryption() && watcher.expectsSymmetricEncryption() { return nil |