From ce8f7833014076d1e5cd04b61b2bc27a58b23312 Mon Sep 17 00:00:00 2001
From: Martin Dosch <martin@mdosch.de>
Date: Mon, 4 Jul 2022 16:20:17 +0200
Subject: [PATCH] Ox: Don't encrypt empty messages.

---
 CHANGELOG.md | 1 +
 ox.go        | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 05c6716..0711656 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## Unreleased
 ### Changed
 - Ox: Improved error messages for failed key requests.
+- Ox: Don't encrypt empty messages.
 
 ## [v0.5.1] 2022-05-22
 ### Changed
diff --git a/ox.go b/ox.go
index 9983e63..1f6823c 100644
--- a/ox.go
+++ b/ox.go
@@ -662,6 +662,9 @@ func oxGetPublicKeyRing(client *xmpp.Client, iqc chan xmpp.IQ,
 
 func oxEncrypt(client *xmpp.Client, iqc chan xmpp.IQ, oxPrivKey *crypto.Key,
 	recipient string, keyRing *crypto.KeyRing, message string) (string, error) {
+	if message == "" {
+		return "", nil
+	}
 	privKeyRing, err := crypto.NewKeyRing(oxPrivKey)
 	if err != nil {
 		return "error", err