On Thu, Dec 13, 2012 at 12:34 AM, jeetendra gangele
<gangele...@gmail.com> wrote:
> Hi i tried to load private key into 224 curve for ecdsa and I am
> getting below error.
>
> EC_KEY_check_key failed:
> error:100B1043:lib(16):func(177):reason(67).
>
> Bleow is my fun to load key.
>
> Can anybody guide me?
$ openssl errstr 100B1043
error:100B1043:elliptic curve routines:EC_KEY_check_key:passed a null parameter

I have not really been following this thread, so please forgive my
dumb questions.

Are you using a NIST curve? If I recall correctly, OpenSSL only
supports some (all?) NIST curves. If you are trying to use Bernstein's
Curve-25519 (or an arbitrary curve), I don't believe it will work.

How did you generate the private key (the exponent) and public key
(point on the curve)?

Jeff
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