P1735Minutes2008July30 < P1735

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---++ IEEE P1735 Working Group Meeting of July 30, 2008 

---+++ Meeting Info 

[[P1735MeetingInfo][Conference Bridge and Webex]]

---+++ Participants 

   * Attending
      * Steven Dovich, Cadence
      * Ruchi Tyagi, Cadence
      * Dave Clemans, Synopsys
      * Michael Smith, Synopsys
      * William A Hanna, Boeing
      * Meera Srinivasan, Synopsys
      * Parminder Gill, Synopsys
      * John Shields, Mentor
      * Nitin Khurana, Cadence
      * Dave Graubart, Synopsys

   * Not Attending
      * Nick Sgoupis, CAST
      * Syed Huq, Cisco
      * Jim Robinson, Synopsys
      * NSS Subramanian, Cadence
      * David Tran, Synopsys
      * Gary Delp, LSI

---+++ Agenda 

   1 Determine Quorum
   1 [[http://standards.ieee.org/board/pat/pat-slideset.pdf][Patent slides]]
   1 Approve agenda
   1 Approval of Meeting minutes from 7/23/2008
   1 Action Items Status
   1 Liaison Reports
   1 Work Plan
   1 Encryption Algorithms
   1 Other Business

---+++ Minutes 

---++++ Attendance/Quorum 
We have 4/5 eligible entities, and have a working quorum.

---++++ Patent Policy 
 The [[http://standards.ieee.org/board/pat/pat-slideset.pdf][Patent slides]] were offered for review.

No new claims were disclosed at the call for essential patent claims.

---++++ Agenda Approval 
Motion by Michael, seconded by Ruchi, Meera abstains. Motion is approved.

---++++ Previous Minutes 
Bill moved and Dave C. seconded the approval of the [[P1735Minutes2008July23][July 23, 2008]] minutes.  Parminder and Meera abstain.  The motion was approved.

---++++ Action Item Review
Steven reviewed the open action items.  John has closed his action item to create a Glossary page. Everyone is encouraged to contribute definitions for review and approval.

---++++ Liaison Reports
P1076 recirculation ballot is out for a 1 week review.

---++++ Work Plan
Steven reported on discussions with participants on other encryption related standards, and is planning to schedule a presentation on Key Management standards activity.

---++++ Encryption Algorithms
Dave G. reviewed the results of previous discussions around algorithm recommendations.

   1 Complete enough to ensure inter-operability
   1 Freely available with open reference implementations
   1 One or more of the algorithms should be considered _strong_
   1 Should include both symmetric and assymetric algorithms
   1 Should one or more algorithms for encryption, digest, and encoding recommendations

---+++++ Encryption
   * des-cbc, aes128-cbc, and 3des-cbc should be required symmetric algorithms
   * rsa, DiffieHellman, and DSA should be required assymetric algorithms
   * Tool Secret Key use case only requires a single supported assymetric algorithm for Digital Envelopes.
   * IP Author Secret Key use case will require implementation of all _required_ algorithms because the algorithm choice is in the hands of the IP author.
%ACTION{ closed="2008-08-27" closer="" created="2008-07-30" creator="Main.StevenDovich" due="" notify="Main.StevenDovich" state="closed" uid="000033" who="Main.RuchiTyagi" }% Find standard reference identifiers for Diffie-Hellman and DSA algorithms
---+++++ Encoding
   * base64 should be required
   * raw has academic value but low practical value.  Exclude from recommendation.
   * quoted-printable is only of value for mostly ASCII data. This is not the case for encrypted data.  Exclude from recommendation.
   * uuencode is largely historical, but is less efficient than base64.  Exclude from recommendation. 

---+++++ Digest
   * md5 and sha1 from the current standards are sufficiently available, but have some open questions regarding strength.
   * We should also look at the stronger digest functions for open reference implementations.

%ACTION{ closed="2008-08-25" closer="" created="2008-07-30" creator="Main.StevenDovich" due="" notify="Main.StevenDovich" state="closed" uid="000032" who="Main.DavidClemans" }% Add _digest_ to the [[P1735Glossary][glossary]]
%ACTION{ closed="2008-08-06" closer="" created="2008-07-30" creator="Main.StevenDovich" due="" notify="" state="closed" uid="000034" who="Main.JohnShields" }% <<EOF
Recommend a strong digest function with open reference implementation. 
  
It appears that SHA-256 is a good candidate.  It has no known weaknesses and there are readily available open source implementations,e.g., openssl and the pkgtools/digest application maintained at www.pkgsrc.org.  I would recommend we add this to MD5 and SHA-1.  I note that MD5 and SHA-1 are already required algorithms in P1800 and 1076.   

-- Main.JohnShields - 06 Aug 2008 - 16:56
EOF

---+++++ Future Steps
The above agreement should be formally approved so that draft content can be written.  That action is deferred until next meeting so that everyone has a chance to consider the implications of the proposed recommendations.

---++++ Adjournment 
Motion by Dave G., second by Michael.  Approved by acclamation at 1:24 pm CDT

---+++ Approval
These minutes were approved at the [[P1735Minutes2008Aug6][August 6, 2008]] meeting.

-- Main.StevenDovich - 06 Aug 2008
Topic revision: r7 - 2008-08-27 - 10:36:01 - RuchiTyagi
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