Re: [PROPOSED WORK ITEM] W3C-VC-QP - Verifiable Credential Quantum Proof #247

Interesting, I'm taking a note.

For the moment we have implemented Dilithium2 only from PQClean, so 
that's all we can work on for now. For the future we're discussing 
Falcon (also in PQClean).

| Andrea D'Intino | +45  21 62 79 18 | Project Manager
|https://Dyne.org  think &do tank  | software to empower communities
| ⚷ crypto κρυπτο крипто गुप्त् 加密הצפנה المشفره

On 27/03/2024 20.51, Michael Prorock wrote:
> I would recommend that any trial implementation utilize ML-DSA, 
> perhaps with only one parameter set identified for now, e.g. 
> ML-DSA-65.  There are subtle, but important differences.  See section 
> 1.3 here: https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.204.ipd.pdf
>
> For parameter sets, see section 4 of the initial public draft for FIPS204
>
> See here for good implementation starting places if you plan to 
> implement rather than incorporate via openssl or otherwise:
> https://github.com/open-quantum-safe/liboqs
>
> Mike Prorock
> Founder
> https://mesur.io/
>
>
>
> On Wed, Mar 27, 2024 at 1:43 PM Andrea D'Intino <andrea@dyne.org> wrote:
>
>     Hi Mike,
>
>     we use this implementation in Zenroom:
>     https://github.com/PQClean/PQClean/tree/master/crypto_sign/dilithium2/clean
>     which I believe matches your second option.
>
>     Cheers,
>
>     | Andrea D'Intino | +45  21 62 79 18 | Project Manager
>     |https://Dyne.org  <https://Dyne.org>  think &do tank  | software to empower communities
>     | ⚷ crypto κρυπτο крипто गुप्त् 加密הצפנה المشفره
>
>     On 27/03/2024 20.31, Michael Prorock wrote:
>>     By dilithium 2 do you mean ML-DSA-65 or dilithium from the
>>     original definition with the second parameter set and a matrix of
>>     6x5?
>>
>>
>>
>>     Mike Prorock
>>     founder - mesur.io <http://mesur.io>
>>
>>     On Wed, Mar 27, 2024, 13:24 Manu Sporny
>>     <msporny@digitalbazaar.com> wrote:
>>
>>         On Wed, Mar 27, 2024 at 2:39 PM Andrea D'Intino
>>         <andrea@dyne.org> wrote:
>>         > we are seeking feedback on a new CCG Work Item proposal
>>         regarding the quantum-prooof signatures for Verifiable
>>         Credentials across devices and websites. Please leave your
>>         support or concerns here:
>>         >
>>         > https://github.com/w3c-ccg/community/issues/247
>>
>>         Digital Bazaar is supportive of the proposal, will help edit the
>>         specification, plans to do an implementation, can help with test
>>         suites, and will likely integrate the final solution into our
>>         production products.
>>
>>         -- manu
>>
>>         -- 
>>         Manu Sporny - https://www.linkedin.com/in/manusporny/
>>         Founder/CEO - Digital Bazaar, Inc.
>>         https://www.digitalbazaar.com/
>>