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Last Call Review of draft-ietf-tls-external-psk-importer-05
review-ietf-tls-external-psk-importer-05-opsdir-lc-morton-2020-10-10-00

Request Review of draft-ietf-tls-external-psk-importer
Requested revision No specific revision (document currently at 08)
Type Last Call Review
Team Ops Directorate (opsdir)
Deadline 2020-10-15
Requested 2020-10-01
Authors David Benjamin , Christopher A. Wood
I-D last updated 2020-10-10
Completed reviews Genart Last Call review of -05 by Brian E. Carpenter (diff)
Opsdir Last Call review of -05 by Al Morton (diff)
Artart Telechat review of -07 by Darrel Miller (diff)
Assignment Reviewer Al Morton
State Completed
Request Last Call review on draft-ietf-tls-external-psk-importer by Ops Directorate Assigned
Posted at https://mailarchive.ietf.org/arch/msg/ops-dir/4tSLzf17fcvQDgwwe7MTRLtgIPA
Reviewed revision 05 (document currently at 08)
Result Has nits
Completed 2020-10-10
review-ietf-tls-external-psk-importer-05-opsdir-lc-morton-2020-10-10-00
OPS-DIR Review of:
Importing External PSKs for TLS
draft-ietf-tls-external-psk-importer-05

Note that Brian Carpenter provided a useful review for GEN-ART, far beyond
general questions. Brian's comments on Section 6, Incremental Deployment, are
relevant to operational considerations, which are the focus of this review.

The draft provides a useful capability and considers possible issues stemming
from interaction with (D)TLS 1.2. There are some implementations and other
parties are interested.

Nits:

Intro:not expanded on first use
PRF
KDF

3.1 Terminology: one-too-many "and" in:
...
   *  Imported PSK (IPSK): A PSK derived from an EPSK, External
      Identity, optional context string, and target protocol and KDF.