Top 20 NuGet cert Packages

Fast and easy generation of HTTPS certificate library (Let's Encrypt ACME).
Certificate Manager is a package which makes it easy to create certificates (chained and self signed) which can be used to in client server authentication and IoT Devices like Azure IoT Hub
A portable (dotnet standard) utility class for generating x509 certificates
A convenient signing and hashing framework, anything you can serialize, you can hash and sign. Allows for partial class hashing and custom implementations. Also provides a IComparable byte[] wrapper for efficient comparison and sorting.