Add ECDSA signature R and S to X509 structure

[Billy Brumley]

Hey Ken,

> I have an ECDSA signature supplied to me as R and S byte arrays and
> lengths (from an HSM).
>
> How do I add them to the X509 structure?
>
> Is there an API, a set of calls, or do you have any hints?

You might be looking for ECDSA_SIG_set0:

https://www.openssl.org/docs/man1.1.0/man3/ECDSA_SIG_set0.html

You might find some snippets in ecdsatest.c.

Hope it helps,

BBB