Initial published version approved by the XMPP Council.
Initial published version approved by the XMPP Council.
This XMPP extension protocol specifies a profile of &xep0373; for OpenPGP secured Instant Messaging (IM).
-Unlike similar XEPs, e.g. OMEMO, this XEP does not +
Unlike similar XEPs, e.g., OMEMO, this XEP does not provide Forward Secrecy (FS), but as an advantage in return, allows users to read their archived conversations (respectively their encrypted data) later on. Of course, only as long as they still possess the according secret key. FS and being able to decrypt - archived messages are mutually exclusive, i.e. one can not have + archived messages are mutually exclusive, i.e., one can not have both. The authors therefore consider this XEP complementary to similar ones which also provide end-to-end encryption but with a different feature set.
@@ -90,7 +90,7 @@ Standards Foundation.If an entity supports exchanging OpenPGP encrypted and signed - instant messages over XMPP, i.e. what is specified herein, it MUST + instant messages over XMPP, i.e., what is specified herein, it MUST advertise that fact by announcing a &xep0030; feature of 'urn:xmpp:openpgp:im:0'. It thus includes this feature in response to a service discovery request.