Top 20 NuGet security Packages

Cryptography helpers for RSA and ECDSA.
Owin Middleware for GDEP's OAuth 2.0
Dtx Library - Useful Library for C# Developers
See description at project site or follow the link: https://github.com/altasoft/security/wiki/JWT-Token-For-ASP.NET
See description at project site or follow the link: https://github.com/altasoft/security/wiki/JWT-Token-For-ASP.NET-Core
Marten persistence layer for IdentityServer4 using postgresql as a document store
Suplex is a Security and Validation abstraction layer, designed to provide WinForms, WebForms, and Wpf applications a common RBAC and Validation model. 4.0.0.2 contains a fix to InternalBitArray.HasValue.
This library provides shared functionality for the NWebsec ASP.NET Core security libraries.
ASP.NET Core middleware that enables an application to support the Microsoft ADFS's OAuth 2.0 authentication workflow.
Executable to generate Black Duck I/O output for a solution or project
Efuelite Solutions Cryptography package helps developers to generate strong passwords, hashing of passwords and authentication of supplied hash passwords to be used in .Net Applications, This pacakge also encrypts and decrypts text,messages in very secure formats to be transmitted safely through any...
Executable to generate Black Duck I/O output for use with Hub Pack-Man
Our.Shield.Core is the Framework for Our.Shield Security package for the Umbraco Cms
Prevents redirects to unsafe locations. Allows only the ones listed explicitly.
External OAuth Provider for ok.ru
ASP.NET Core authentication middleware for OpenID 2.0 providers.