<PackageReference Include="NETStandard.Library" Version="2.0.0-preview2-25401-01" />

System.Security.Cryptography.X509Certificates.X509ChainElement

public class X509ChainElement
namespace System.Security.Cryptography.X509Certificates { public class X509ChainElement { public X509Certificate2 Certificate { get; } public X509ChainStatus[] ChainElementStatus { get; } public string Information { get; } } }