Hi,
I want to use openSSL in C to sign/verify messages with ECDSA (fixed
curve).
Its the first time I use openSSL, maybe my questions are very trivial..
How can I import a key that I generated externally to a EC_KEY object?
I have 3 char-arrays: priv, pubX pubY
These keys are not encoded with DER or sth.
I want to export the key to 3 char-arrays, too.
The next step is to verify a message with a given signature.
this external signature has 2 char arrays: sigR, sigS
How can I import it to a ECDSA_Sig?
The other direction would be interesting for me, too!
Thank you for your help!
Markus
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