Re: [woes] Naked Public Key, was: RE: Proposed charter, post-Quebec edition

Eric Rescorla <ekr@rtfm.com> Fri, 05 August 2011 16:43 UTC

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From: Eric Rescorla <ekr@rtfm.com>
Date: Fri, 05 Aug 2011 09:43:37 -0700
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To: Leif Johansson <leifj@mnt.se>
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Subject: Re: [woes] Naked Public Key, was: RE: Proposed charter, post-Quebec edition
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On Fri, Aug 5, 2011 at 7:42 AM, Leif Johansson <leifj@mnt.se> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
>
>>> Just doing the math yourself, from scratch, is pretty easy if you have the
>>> bare key.  It's nigh-on trivial if you have a bigint library.  Solution:
>>> don't use OpenSSL.  I propose we don't get bogged down in the certificate
>>> problem for the moment.
>>
>> Cryptographer's warning: do not do this. Hard hat area ahead.
>>
>
> That is advice for implementors and not for spec writers, right?

Correct. Getting the implementation right is tricky.

-Ekr