I just created a PR: https://github.com/pyca/cryptography/pull/1973. It'd be great to have some feedback on the interface and general approach before adding some tests and doc.
Thanks! Dario On Sat, May 16, 2015 at 1:23 AM, Paul Kehrer <paul.l.keh...@gmail.com> wrote: > Help is always appreciated; if you'd like to submit a PR we'll be happy to > review it! > > -Paul > > On May 15, 2015 at 3:26:29 PM, Dario Sneidermanis (dari...@gmail.com) > wrote: > > That'd be perfect. If you need a hand I can make a first draft over the > weekend. > > Dario > > > On Thu, May 14, 2015 at 2:45 PM, Alex Gaynor <alex.gay...@gmail.com> > wrote: > >> Perhaps an EllipticCurvePrivateNumbers.from_private_number_and_curve() >> would be appropriate to automatically compute the public key? >> >> Alex >> >> On Thu, May 14, 2015 at 12:11 PM, Paul Kehrer <paul.l.keh...@gmail.com> >> wrote: >> >>> Hi Dario, >>> >>> The creation of an EllipticCurvePrivateNumbers object does require you >>> to do d*G yourself at this time. There is some precedent for us adding >>> functions to compute other elements (see: >>> https://cryptography.io/en/latest/hazmat/primitives/asymmetric/rsa/#handling-partial-rsa-private-keys) >>> so a function to do this makes sense to me. >>> >>> -Paul >>> >>> On May 14, 2015 at 3:21:29 AM, Dario Sneidermanis (dari...@gmail.com) >>> wrote: >>> >>> Hi, >>> >>> I'm trying to compute an EllipticCurvePrivateKey from a private_value >>> (d). It seems that the only way to achieve this is to create an >>> EllipticCurvePrivateNumbers object, but the constructor takes both the >>> private_value and the public_numbers. >>> >>> Why does it need the public_numbers, when it could compute them (knowing >>> the curve), by doing d*G (G being the curve generator)? >>> >>> Is there any way to go from d to the ECPrivKey without doing d*G by >>> myself? >>> >>> Thanks, >>> Dario >>> _______________________________________________ >>> Cryptography-dev mailing list >>> Cryptography-dev@python.org >>> https://mail.python.org/mailman/listinfo/cryptography-dev >>> >>> >>> _______________________________________________ >>> Cryptography-dev mailing list >>> Cryptography-dev@python.org >>> https://mail.python.org/mailman/listinfo/cryptography-dev >>> >>> >> >> >> -- >> "I disapprove of what you say, but I will defend to the death your >> right to say it." -- Evelyn Beatrice Hall (summarizing Voltaire) >> "The people's good is the highest law." -- Cicero >> GPG Key fingerprint: 125F 5C67 DFE9 4084 >> >> _______________________________________________ >> Cryptography-dev mailing list >> Cryptography-dev@python.org >> https://mail.python.org/mailman/listinfo/cryptography-dev >> >> > _______________________________________________ > Cryptography-dev mailing list > Cryptography-dev@python.org > https://mail.python.org/mailman/listinfo/cryptography-dev > > > _______________________________________________ > Cryptography-dev mailing list > Cryptography-dev@python.org > https://mail.python.org/mailman/listinfo/cryptography-dev > >
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