netcoreapp3.0 
namespace System.Security.Cryptography.Pkcs
{
    public sealed class CmsSigner
    {
        public CmsSigner(SubjectIdentifierType signerIdentifierType, X509Certificate2? certificate, SlhDsa? privateKey);
    }
}
.NET
5.06.07.08.09.011.0
.NET Core
3.03.1
.NET Standard
2.1
Information specific to netcoreapp3.0
Assembly

System.Security.Cryptography.Pkcs , Version=11.0.0.0, PublicKeyToken=b03f5f7f11d50a3a

Referencing

Your project needs a package reference to System.Security.Cryptography.Pkcs.

Package System.Security.Cryptography.Pkcs (11.0.0) netstandard2.1
Platform Restrictions

This API is supported on any platform except for these:

  • Browser
  • wasi
  • Built-in API
  • Package-provided API