Subject: [Tom Yu] Re: KRB-WG or "Expert Review" for KINK Key Usage Numbers

From: Derek Atkins <[email-masked]>
Date: Thu, 05 Jan 2006 11:02:46 -0500

Looks like we got our key usage numbers.  39 and 40.

-derek

Subject: Re: KRB-WG or "Expert Review" for KINK Key Usage Numbers
From: Tom Yu <[email-masked]>
To: Derek Atkins <[email-masked]>
Cc: Jeffrey Hutzelman <[email-masked]>, [email-masked]
Date: Wed, 04 Jan 2006 16:55:31 -0500

>>>>> "Derek" == Derek Atkins <[email-masked]> writes:

Derek> 8.  Key Usage Numbers for Kerberos Key Derivation

Derek>    Kerberos encrypt/decrypt functions and get_mic/verify_mic functions
Derek>    require "key usage numbers".  They are used to generate specific keys
Derek>    for cryptographic operations so that different keys are used for
Derek>    different purposes/objects.  KINK uses two usage numbers listed
Derek>    below.

I've recorded the following assignments:

Derek>       Purpose                           Usage number
Derek>       -------                           ------------
Derek>       KINK_ENCRYPT (for encryption)     XXX -- TBA by rfc1510ter
                                                39

Derek>       Cksum (for checksum)              XXX -- TBA by rfc1510ter
                                                40
---Tom

-- 
       Derek Atkins                 617-623-3745
       [email-masked]             www.ihtfp.com
       Computer and Internet Security Consultant