[saag] Credential portability RE: SHA-1 to SHA-n transition

There are nine machines that have a keyboard and display in the house, but I only use three of them on a regular basis.

I think that is the point. Even if I end up having to register or pair each machine, that is three registrations, and once that is done I should have seamless access across all three machines.

Basically any scheme that is robust enough to cope with the fact that desktops have a five year max lifespan and laptops typically two is going to be able to cope with the degree of portability that most users require.

Having spent a whole night last week trying to install ubuntu, only to discover that the official 'CD-ROM' distribution is too large to fit on a CD-ROM, I am somewhat skeptical as to the claims made by techies as to usability. Incidentally, that is also the reason that hardware has a more limited effective life than folk imagine.

-----Original Message-----
From: saag-bounces@ietf.org on behalf of Theodore Tso
Sent: Wed 3/4/2009 1:16 PM
To: Jeffrey Hutzelman
Cc: saag@ietf.org
Subject: Re: [saag] SHA-1 to SHA-n transition

On Wed, Mar 04, 2009 at 11:21:39AM -0500, Jeffrey Hutzelman wrote:
> --On Wednesday, March 04, 2009 07:41:08 PM +1300 Peter Gutmann  
> <pgut001@cs.auckland.ac.nz> wrote:
>
>> Thanks, you just won me $20.
>>
>> (The wager was that, no matter how many disclaimers and explanatory
>> comments I  add (e.g. "not perfect but works for most of the people most
>> of the time and  it's a damn sight better than what we have now"),
>> someone will always, always  pipe up with some variation of "I own eight
>> computers and this would never  work for me and therefore it won't work
>> for anyone else either".  As long as  there are at least 2-3 geeks in the
>> audience and they're not HCI people, this  one never fails).
>
> I don't think you won your wager.  I said nothing of the sort.
> What I said was that _most_ people use more than one computer.
> Not own, just use.  Not eight, just "more than one".

How many people have a laptop plus an iPhone, for example?   :-)

Maybe even a non-techie's Macbook?

    	 	       	      	      	      - Ted
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