OpenPGP Working Group

1
OpenPGP Working Group

• IETF-59, Seoul, S. Korea
• March 2, 2004
• Chair Derek Atkins ltderek_at_ihtfp.comgt
• List ietf-openpgp_at_imc.org
• Subscribe ietf-openpgp-request_at_imc.org

2
Agenda

• Introductions
• Appoint a Secretary (2 mins)
• Call for Agenda Changes (1 min)
• draft-ietf-openpgp-rfc2440bis
• Status (2 mins)
• Open issues (40 mins)
• Rechartering
• Updated Milestones (15 mins)

3
rfc2440bis status

• The editor is not here.
• -09 is out
• Still many open issues

4
List of Issues

• Clarification needed on compressed messages
• Creator David Shaw
• Desc the spec is inconsistent in handling
  COMPRESS(LITERAL LITERAL)
• Resolution closed (fixed)

5
List of issues

• Non-textual User Ids
• Created by David Shaw
• Desc change user IDs to UTF-8 only
• Status closed (fixed)

6
List of Issues

• Shamir's Discrete Logarithm Hash
• Created by vedaal
• Desc include SDLH in OpenPGP
• Status closed (no consensus to include)

7
List of Issues

• Comment Length and Format
• Created by Ian Grigg
• Desc long comments can be line-wrapped and/or
  misinterpretted.
• Status closed (no consensus for any changes)

8
Open Issues

• Signature woes and reconciliation
• Created by Hal Finney
• Desc trouble calculating the hash to verify a v3
  DSA one-pass signature.
• Suggested text add in the same hash context or
  pseudocode
• Resolution open (text supplied)

9
Open Issues

• Trailing White Space issue(s)
• Created by David Shaw
• Desc question about ignoring trailing whitespace
  for textmode signed messages, and the status of a
  tab character.
• Question ok to just strip chars lt 0x20? Where?
• Status open (need text)

10
Open Issues

• Using IDEA in the v3-v4 algorithm conflict
• Created by David Shaw
• Desc a problem with the algorithm for backwards
  compatibility with RFC1991 when trying to use
  something other than IDEA.
• Status open (need text)

11
Open Issues

• 3rd party signatures in a one-pass signed message
• Created by poiboy at safe-mail and David Shaw
• Desc there is no language in the draft
  specifying how a 0x50 3rd party or notary
  signature is handled.
• Status open (text supplied)

12
Open Issues

• Need to obsolete RFC1991
• Created by Alfred H?nes
• Desc RFC1991 was never obsoleted by RFC2440
• Suggested text obsolete rfc1991, 2440
• Status open (text supplied)

13
Open Issues

• Back-signatures from a signing subkey onto the
  primary key
• Created by David Shaw
• Desc need to describe how to sign the primary
  key from the subkey
• Status open (text supplied)

14
Open Issues

• Non UTF-8 Text in Message Body
• Created by Felix Storm
• Desc Is it allowed to encode the message body in
  any other character set than UTF-8 without using
  the Charset armor header key?
• Status open (need text)

15
Open Issues

• Remove Elgamal signatures (type 20 keys)
• Created by Werner Koch
• Desc remove type 20 keys from the specification
• Status open (text supplied)

16
Open Issues

• Partial length chunks and 5-byte lengths
• Created by David Shaw
• Desc Section 4.2.2.4 (Partial Body Lengths) is
  inconsistent in its explicit statement of valid
  length encodings.
• Status open (text supplied)

17
Open Issues

• cleartext signatures naming consistency
• Created by Ian Grigg
• Desc multiple terms are used to name cleartext
  signatures -- we should be consistent and call
  them cleartext (the dominant form)
• Status open (text supplied)

18
Open Issues

• MDC Inconsistency in bis-09
• Created by David Shaw
• Desc sections 5.13 and 5.14 are inconsistent
  about what gets hashed. (5.14 apparantly
  incorrect)
• Status open (text supplied)

19
Open Issues

• Secret Key Packet Formats
• Created by Kazu Yamamoto
• Desc editorial clarifications of 5.5.3
• Status open (text supplied)

20
Rechartering (update milestones)

• Our milestones are out of date
• Suggested changes
• Submit 2440bis to IESG (as PROPOSED) May 04
• Submit multiple sig draft to IESG (as PROPOSED)
  Aug 04
• Begin RFC2440bis and PGP/MIME Interop testing
  Aug 04
• Advance 2440bis to DRAFT Feb 05