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Re: [TLS] Ensuring consistent strength across certificate, ECDHE, cipher, and MAC

"Salz, Rich" <rsalz@akamai.com> Wed, 23 March 2016 02:20 UTC

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From: "Salz, Rich" <rsalz@akamai.com>
To: Martin Thomson <martin.thomson@gmail.com>, Timothy Jackson <tjackson@mobileiron.com>
Thread-Topic: [TLS] Ensuring consistent strength across certificate, ECDHE, cipher, and MAC
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Date: Wed, 23 Mar 2016 02:20:00 +0000
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Subject: Re: [TLS] Ensuring consistent strength across certificate, ECDHE, cipher, and MAC
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> How would this group feel about a proposal to address this by
> specifying in the 1.3 specification that implementations must ensure
> that the strength of the certificate must be >= strength of ECDHE/DHE >=
> strength of the cipher?

Strongly opposed, for the reasons Martin said.  Insisting that everything line up is kinda like crypto OCD.

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