System.Security.Claims 4.3.0 Prefix Reserved

Requires NuGet 2.12 or higher.

Install-Package System.Security.Claims -Version 4.3.0
dotnet add package System.Security.Claims --version 4.3.0
<PackageReference Include="System.Security.Claims" Version="4.3.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add System.Security.Claims --version 4.3.0
The NuGet Team does not provide support for this client. Please contact its maintainers for support.
#r "nuget: System.Security.Claims, 4.3.0"
#r directive can be used in F# Interactive, C# scripting and .NET Interactive. Copy this into the interactive tool or source code of the script to reference the package.
// Install System.Security.Claims as a Cake Addin
#addin nuget:?package=System.Security.Claims&version=4.3.0

// Install System.Security.Claims as a Cake Tool
#tool nuget:?package=System.Security.Claims&version=4.3.0
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

Provides classes that implement claims-based identity in the .NET Framework, including classes that represent claims, claims-based identities, and claims-based principals.

Commonly Used Types:

When using NuGet 3.x this package requires at least version 3.4.

NuGet packages (155)

Showing the top 5 NuGet packages that depend on System.Security.Claims:

Package Downloads

Provides types, such as System.Net.Security.SslStream, that uses SSL/TLS protocols to provide secure network communication between client and server endpoints. Commonly Used Types: System.Net.Security.SslStream System.Net.Security.ExtendedProtectionPolicy When using NuGet 3.x this package requires at least version 3.4.


This package contains the binaries of the Microsoft Authentication Library for .NET (MSAL.NET). MSAL.NET makes it easy to obtain tokens from the Microsoft identity platform for developers (formally Azure AD v2.0) signing-in users with work & school accounts, Microsoft personal accounts and social identities Azure AD B2C. These tokens gain access to Microsoft Cloud API and any other API secured by the Microsoft identity platform. This version supports adding authentication functionality to your .NET based client on Windows desktop (.NET 4.5+), UWP, .NET Core, Xamarin iOS and Xamarin Android. The release notes are available at


A spreadsheet library for .NET framework and .NET core


Microsoft Graph Core Client Library implements core functionality used by Microsoft Graph client libraries.


Nancy is a lightweight web framework for the .Net platform, inspired by Sinatra. Nancy aim at delivering a low ceremony approach to building light, fast web applications.

GitHub repositories (34)

Showing the top 5 popular GitHub repositories that depend on System.Security.Claims:

Repository Stars
ASP.NET Boilerplate - Web Application Framework
Lightweight, low-ceremony, framework for building HTTP based services on .Net and Mono
Sample ASP.NET Core 6.0 reference application, powered by Microsoft, demonstrating a layered application architecture with monolithic deployment model. Download the eBook PDF from docs folder.
Full ASP.NET Core 5 application with DDD, CQRS and Event Sourcing concepts
Create advanced Excel spreadsheets using .NET
Version Downloads Last updated
4.3.0 156,052,544 11/15/2016
4.3.0-preview1-24530-04 207,223 10/24/2016
4.0.1 170,990,606 6/27/2016
4.0.1-rc2-24027 2,604,434 5/16/2016
4.0.1-beta-23516 375,789 11/18/2015
4.0.1-beta-23409 365,971 10/15/2015
4.0.1-beta-23225 123,614 9/2/2015
4.0.0 1,801,199 7/29/2015
4.0.0-beta-23109 61,869 7/27/2015
4.0.0-beta-23019 50,451 6/30/2015
4.0.0-beta-22816 51,371 4/24/2015
4.0.0-beta-22605 17,664 2/13/2015
4.0.0-beta-22416 9,377 1/16/2015
4.0.0-beta-22231 29,720 11/11/2014