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Re: [TLS] draft-rescorla-tls-subcerts-01

"Salz, Rich" <rsalz@akamai.com> Fri, 21 April 2017 15:50 UTC

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From: "Salz, Rich" <rsalz@akamai.com>
To: "Fossati, Thomas (Nokia - GB/Cambridge, UK)" <thomas.fossati@nokia.com>, Ilari Liusvaara <ilariliusvaara@welho.com>, Hannes Tschofenig <hannes.tschofenig@gmx.net>
CC: "<tls@ietf.org>" <tls@ietf.org>
Thread-Topic: [TLS] draft-rescorla-tls-subcerts-01
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Date: Fri, 21 Apr 2017 15:50:23 +0000
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References: <bea3cb60-fdfc-950f-f628-90eb87ed42ef@gmx.net> <20170421104857.GA20822@LK-Perkele-V2.elisa-laajakaista.fi> <5C7D62E9-3F3F-45B6-B1AC-A92B95895A16@on.nokia.com>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/tls/ggmXELRAMs6hmfm1Wg3ZsqLi7qw>
Subject: Re: [TLS] draft-rescorla-tls-subcerts-01
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> Speaking as one of the co-authors of [1]: it is not completely clear to me what
> is the limitation in CT that would prevent it to cope with the pervasive use of
> short-term certificates.  Can anyone shed a light on this?

I believe the concerns are scaling log servers and perhaps needing to "rotate" them if, say, 90% of their tree is invalid in a year.

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