Certificate, "ecdsa_with_SHA3-512" signature algorithm

[Tomas Mraz]

On Mon, 2022-03-28 at 09:24 +0300, Mib wrote:
> Hi, I am trying to create a ECC certificate with ecdsa_with_SHA3-512
> signature algorithm. 
> 
> But I am having the below issue When I try to verify it with the
> X509_Verify api.
> "error:068000C7:asn1 encoding routines::unknown signature algorithm"
> 
> As I understand, "ecdsa_with_SHA3-512" signature nid has not been
> defined yet in the 
> "nid_triple sigoid_srt[]" array.
> 
> I am new to openssl, does it mean it is not supported yet ? Thank
> you. Regards

Yes, you're correct. This hash/signature algorithm combination is not
supported by any of the current releases by itself. However with the
3.0 release this combination could be supported by an external
provider.

-- 
Tomáš Mráz, OpenSSL