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
