<PackageReference Include="BouncyCastle.Cryptography" Version="2.3.0" />

Org.BouncyCastle.Security.Certificates.CertificateNotYetValidException

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