Re: [GNUnet-developers] EcDSA signature scheme

2018-07-13 Thread Christian Grothoff
On 07/13/2018 10:37 PM, Bernd Fix wrote: > On 07/13/2018 04:50 PM, Christian Grothoff wrote: >> On 07/13/2018 06:39 PM, Bernd Fix wrote: >>> This constraint of course make things trickier, because that means we >>> are stuck in using Ed25519 for ECDHE. A possible solution (again: not >>> for

Re: [GNUnet-developers] EcDSA signature scheme

2018-07-13 Thread Bernd Fix
On 07/13/2018 04:50 PM, Christian Grothoff wrote: > On 07/13/2018 06:39 PM, Bernd Fix wrote: >> This constraint of course make things trickier, because that means we >> are stuck in using Ed25519 for ECDHE. A possible solution (again: not >> for GNUnet itself, but for implementators in general)

Re: [GNUnet-developers] womb / maintainers description rewrite

2018-07-13 Thread Nils Gillmann
Mike just told me the changes will (probably) be done this weekend. Nils Gillmann transcribed 2.9K bytes: > Okay, done. > Or at least initiated. > Blurb description change has to wait a while longer. > > Nils Gillmann transcribed 2.5K bytes: > > Christian Grothoff transcribed 4.1K bytes: > > >

Re: [GNUnet-developers] EcDSA signature scheme

2018-07-13 Thread Christian Grothoff
On 07/13/2018 06:39 PM, Bernd Fix wrote: >> 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

Re: [GNUnet-developers] EcDSA signature scheme

2018-07-13 Thread Christian Grothoff
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

Re: [GNUnet-developers] EcDSA signature scheme

2018-07-13 Thread Bernd Fix
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