Status update for WG kitten

Updates since Prague: draft-ietf-kitten-rfc5653bis went through IETF LC and is waiting for AD writeup.
The WG-related work draft-ietf-curdle-des-des-des-die-die-die also went through IETF LC and is waiting for
a decision from the IESG on the right way to update/obsolete/move-to-historic an Informational document
such as RFC 4757 (the RC4 kerberos enctypes).

Our main active work items are draft-ietf-kitten-krb-spake-preauth and draft-ietf-kitten-channel-bound-flag,
both of which hit some stumbling blocks as we gained implementation experience.  Some coordination is needed
between draft-ietf-kitten-krb-spake-preauth and draft-irtf-cfrg-spake2, which is underway.

Lower priority ongoing work is to move more GSSAPI and Kerberos registries to IANA control, and publish
draft-ietf-kitten-pkinit-alg-agility and draft-ietf-kitten-krb-service-discovery (which have deployed implementations).

We received proposals for some potential new work items: a "hashed token" (i.e., resumption) SASL mechanism,
and a generic way to communicate password quality/attribute requirements, and are assessing whether there
is sufficient interest to merit WG adoption.
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