<PackageReference Include="Relativity.Server.Identity.SDK" Version="5000.1.4" />

Relativity.Identity.V1.LoginProfileModels.ClientCertificateMethod

Login method that uses a smart card assigned to the user.
public bool IsEnabled { get; set; }

Whether the login method is enabled

public string Name { get; set; }

A name of the matching certificate provider from the corresponding Auth Profile.

public string Subject { get; set; }

The value to match against in the Common Name (CN) or Subject Alternate Name (SAN) of the client certificate.