[Openstack-security] Fwd: [openstack/identity-api] SecurityImpact review request change Ic00009e635f81427ba909a9ce4ba168f14ff51df

Jeffrey Walton noloader at gmail.com
Fri Nov 29 08:49:20 UTC 2013


Does anyone know if there's going to be any calls covering Message
Security as proposed at
https://wiki.openstack.org/wiki/MessageSecurity? I'd be very
interested in listening in.

Thanks in advance,

Jeff

FYI|PS: Dr. Rogaway is providing royalty free, irrevocable licenses
for OCB mode in open source projects
(http://www.cs.ucdavis.edu/~rogaway/ocb/license.htm). OpenSSL's grant
can be found at
http://wiki.openssl.org/images/6/66/OCB-patent-grant-OpenSSL.pdf.

OCB is the most efficient AE and AEAD mode available (as far as I
know). When operating in OCB mode, there's no need for combining
privacy modes like CBC with integrity protections like HMACs; nor is
there a need for key derivation functions to ensure key independence.

Other AEAD choices include the usual suspects, such as CCM, EAX and
GCM mode. But they are less efficient than OCB due to Dr. Rogaway's
patent.

And +1 for not choosing a mode like EAX Prime for message security
like the smart grid ;)

---------- Forwarded message ----------
From:  <gerrit2 at review.openstack.org>
Date: Fri, Nov 29, 2013 at 12:55 AM
Subject: [Openstack-security] [openstack/identity-api] SecurityImpact
review request change Ic00009e635f81427ba909a9ce4ba168f14ff51df
To: openstack-security at lists.openstack.org

Hi, I'd like you to take a look at this patch for potential
SecurityImpact.
https://review.openstack.org/40692

Log:
commit b775259ef1c06884985521fbba7cabc30884565a
Author: Simo Sorce <simo at redhat.com>
Date:   Wed Aug 7 14:16:28 2013 -0400

    Key Distribution Server

    API for distribution of keys in support of:
    https://wiki.openstack.org/wiki/MessageSecurity#Key_Derivation

    SecurityImpact

    Change-Id: Ic00009e635f81427ba909a9ce4ba168f14ff51df




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