Re: [pkix] [smime] Key lookup service via draft-bhjl-x509-srv-00

"John R Levine" <johnl@taugh.com> Wed, 23 March 2016 22:23 UTC

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Date: Wed, 23 Mar 2016 18:23:36 -0400
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From: John R Levine <johnl@taugh.com>
To: Wei Chuang <weihaw@google.com>
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Cc: PKIX <pkix@ietf.org>, IETF SMIME <smime@ietf.org>
Subject: Re: [pkix] [smime] Key lookup service via draft-bhjl-x509-srv-00
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> Could Yahoo! (in this example) not provide a means for their users to
> update the key lookup service?  As the user is authenticated through their
> UI, he or she could upload the keys they want in a secure way.

Sure, and then Yahoo would serve the keys the users provide.

R's,
John

PS: Except for the MITM keys intalled by government order or rogue 
employees.