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Re: [openpgp] Fingerprints and their collisions resistance

Jon Callas <jon@callas.org> Sun, 06 January 2013 19:10 UTC

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From: Jon Callas <jon@callas.org>
Date: Sun, 06 Jan 2013 11:10:23 -0800
To: Werner Koch <wk@gnupg.org>
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Cc: "openpgp@ietf.org" <openpgp@ietf.org>, Daniel Kahn Gillmor <dkg@fifthhorseman.net>, ianG <iang@iang.org>
Subject: Re: [openpgp] Fingerprints and their collisions resistance
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On Jan 6, 2013, at 4:23, Werner Koch <wk@gnupg.org> wrote:

> On Sun,  6 Jan 2013 04:19, jon@callas.org said:
> 
>> Also, the point compression patent expired last year.
> 
> Oh really.  That would be great news.  No other patents to the same
> effect?

The ECC patents are starting to expire en masse. It started last year, and over the next year or two most of the really annoying ones are going. Others, like MQV will take longer. But the IP reasons to avoid ECC are going quickly, especially if you stick to the Suite B curves, as Andrey did with his draft. 

Jon

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