OX: XEP-0373: OpenPGP for XMPP - Version 0.5.0 (2020-06-19)

Discovering Public Keys via PEP

* 4.3 Discovering Public Keys of a User
* 4.4 Requesting Public Keys

* Import Public Keys into GnuPG's local keyring.

Issue: #1331

tests/unittests/xmpp/stub_ox.c

@@ -7,3 +7,13 @@ ox_announce_public_key(const char* const filename)
 {
     return FALSE;
 }
+
+void
+ox_discover_public_key(const char* const jid)
+{
+}
+
+void
+ox_request_public_key(const char* const jid, const char* const fingerprint)
+{
+}