I am the assigned Gen-ART reviewer for this draft. For background on Gen-ART, please see the FAQ at < http://wiki.tools.ietf.org/area/gen/trac/wiki/GenArtfaq>. Please wait for direction from your document shepherd or AD before posting a new version of the draft. Document: draft-ietf-jose-json-web-key-33 Reviewer: Scott Brim Review Date: 2014-09-28 IETF LC End Date: 2014-09-03 IESG Telechat date: 2014-10-02 Summary: ready with possible minor issues Major issues: Minor issues: More than once it is said that members that are not understood should or must be ignored. Wouldn't this depend on context? Couldn't there be uses of the data structure where a negative reply would be needed if something is not understood, so the sender can adapt? In Section 4.3, you give the general principle that multiple unrelated key operations shouldn't be specified for a key, and give an example. Since this is a security issue of unknown magnitude (the future isn't here yet), what do you think of removing uncertainty by being more exhaustive in the principles and/or examples? Nits/editorial comments: ... Scott