[cryptography] Using same key for ECDSA and ECIES

Jeffrey Walton noloader at gmail.com
Fri Sep 20 16:09:27 EDT 2013


On Fri, Sep 20, 2013 at 2:35 PM, Dominik Schürmann
<dominik at dominikschuermann.de> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> ...
> After reading related literature, I came to the conclusion to use
> ECDSA and ECIES (Both with Koblitz curves, as I am sceptical about the
> random curves ;),
> Bernstein's curve25519 would be too difficult to integrate, as I
> didn't found a library, which is present in current linux distros and
> handles both EC sign and encryption schemes.
Crypto++ has the schemes and Dr. Bernstein's curve. The library is
available on all major Linux and BSD platforms.

Jeff


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