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

[Derek Atkins <derek@xxxxxxxxx>]

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

-derek

--- Begin Message ---

• To: Derek Atkins <derek@xxxxxxxxx>
• Subject: Re: KRB-WG or "Expert Review" for KINK Key Usage Numbers
• From: Tom Yu <tlyu@xxxxxxx>
• Date: Wed, 04 Jan 2006 16:55:31 -0500
• Cc: Jeffrey Hutzelman <jhutz@xxxxxxx>, hartmans-ietf@xxxxxxx
• In-reply-to: <sjmlkzyqzlc.fsf@cliodev.pgp.com> (Derek Atkins's message of "Tue, 08 Nov 2005 22:17:35 -0500")

>>>>> "Derek" == Derek Atkins <derek@xxxxxxxxx> 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

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       Derek Atkins                 617-623-3745
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       Computer and Internet Security Consultant