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
