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Re: [CFRG] Psychic Signatures

Neil Madden <neil.e.madden@gmail.com> Thu, 21 April 2022 11:27 UTC

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From: Neil Madden <neil.e.madden@gmail.com>
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Date: Thu, 21 Apr 2022 12:27:28 +0100
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Cc: Eric Lagergren <eric@ericlagergren.com>, IRTF CFRG <cfrg@irtf.org>
To: Peter Gutmann <pgut001@cs.auckland.ac.nz>
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Subject: Re: [CFRG] Psychic Signatures
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> On 21 Apr 2022, at 12:18, Peter Gutmann <pgut001@cs.auckland.ac.nz> wrote:
> 
> Eric Lagergren <eric@ericlagergren.com> writes:
> 
>> Project Wycheproof has a very good set of test vectors like this. 
> 
> The problem with that is that the description omits one vital point:
> 
>  Project Wycheproof tests crypto libraries against known attacks.
> 
> without saying:
> 
>  as long as that crypto library is a JCE one.
> 
> This makes it... less than useful for checking crypto libraries in general.
> In particular none of the stuff I was referring to in my previous post is
> written in Java.
> 
> To be more generally applicable, it really needs static test vectors, e.g. a
> bunch of self-signed X.509 certs that shouldn't verify, rather than a JCE test
> suite.

The actual test vectors are specified as static JSON files: https://github.com/google/wycheproof/tree/master/testvectors <https://github.com/google/wycheproof/tree/master/testvectors>

— Neil

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