On 31 March 2017 at 11:37, Daniel Gultsch <[email protected]> wrote: > I think it is relatively fair to assume that a company or individual who > is able to create a Non-GPL implementation of the Double Ratchet will not > fail to do so just because of a missing XEdDSA implementation.
I implemented ODR before it used X3DH, and I'm now blocked by XEdDSA. > If someone fails to implement XEdDSA they probably shouldn't implement > ODR. I'm pretty sure this is wrong. Apart from the practical fact that that would require forking many low-level primitives from crypto-libraries, I'm pretty sure asking protocol devs like me to combine those into their own crypto primitive is about as responsible as asking them to build a parachute for base jumping: there's a good chance it'll open, but I'm pretty sure there will be casualties. There's a reason this stuff is left to crypto professionals. cheers, Remko
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