Hiya,
On 09/03/2021 03:09, Benjamin Kaduk wrote:
I would have expected that the API should hide the differences other than the group name ... but these APIs are still pretty new to me, too. If you can point me at your code I might have more to say.
So again it's probably my fault but I'm still not seeing the same behaviour for NIST and non-NIST curves. I made up what I hope is a fairly simple bit of test code [1] so that might help clarify where I'm wrong or (less likely) where a change in the library might be useful. As I build the test code, the p256 cases seem to work, with or without the public key, but both 25519 cases fail. In my (still untidy:-) HPKE code EVP_PKEY_new_raw_private_key for the non-NIST curves works, but not for NIST curves. So I have an ok workaround, even if the fault's not mine, which it of course probably is:-) Cheers, S. [1] https://github.com/sftcd/happykey/blob/master/test2evp.c
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