<PackageReference Include="BouncyCastle.Cryptography" Version="2.3.1" />

Org.BouncyCastle.Security.Certificates.CertificateExpiredException

namespace Org.BouncyCastle.Security.Certificates { public class CertificateExpiredException : CertificateException { public CertificateExpiredException(); public CertificateExpiredException(string message); public CertificateExpiredException(string message, Exception innerException); protected CertificateExpiredException(SerializationInfo info, StreamingContext context); } }