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Re: [TLS] DSS with other than SHA-1 algorithms

Eric Rescorla <ekr@rtfm.com> Wed, 13 April 2011 05:35 UTC

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Date: Tue, 12 Apr 2011 22:35:19 -0700
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From: Eric Rescorla <ekr@rtfm.com>
To: mrex@sap.com
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Cc: Simon Josefsson <simon@josefsson.org>, tls@ietf.org
Subject: Re: [TLS] DSS with other than SHA-1 algorithms
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On Tue, Apr 12, 2011 at 5:20 PM, Martin Rex <mrex@sap.com> wrote:
> Simon Josefsson wrote:
>>
>> Peter Gutmann <pgut001@cs.auckland.ac.nz> writes:
>> >
>> > Hovav Shacham <hovav@cs.ucsd.edu> writes:
>> > >
>> > >How about we remove DSA support from TLS, then?
>
> The decision in 1997 to mandate DHE_DSS was more of a political
> than a technical decision, because the DH patent had just expired
> and the RSA patent would not expire until 2000 (albeit the RSA
> patent existed only in that part of the world where patent filing
> was allowed up to a year after publication).

Yes, I agree with that assessment of the situation. Not the IESG's finest
hour, really.


-Ekr

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