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Re: [GNUnet-developers] EcDSA signature scheme
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From: |
Christian Grothoff |
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Subject: |
Re: [GNUnet-developers] EcDSA signature scheme |
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Date: |
Fri, 13 Jul 2018 14:33:27 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 |
On 07/13/2018 11:26 AM, Bernd Fix wrote:
> I think that most problems mentioned in my previous post originate in
> the '#define CURVE "Ed25519"' statement at curve_ecc.c:37. All key
> parameter definitions (EdDSA, ECDSA and ECDHE) use that value leading to
> the described problems. I think that the curve key parameter needs to be
> set individually for each purpose.
Well, there is one tricky bit with that I forgot to point out in my
previous message: we do use (rarely) the same point/key for both ECDHE
and EdDSA (specifically, in Taler). Hence, here it is relevant to have
the same public key representation across both schemes.
0xE29FC3CC.asc
Description: application/pgp-keys
signature.asc
Description: OpenPGP digital signature