[Cryptography-dev] ECPrivateKey form private_value

Dario Sneidermanis dariosn at gmail.com
Thu May 14 10:20:51 CEST 2015


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
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