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3. Sso Generate Private Key Net Core 2 0
4. Public Private Key Encryption

It is more secure because it uses public/private key in the form of an X.509 certificate for signing. In this post, I will explain how to create application using Angular 6 app with ASP.net core 2.1 and do the token-based authentication using JWT. The following software needs to be installed in our system before starting the work. The signature secret key is held by the server so it will be able to verify existing tokens and sign new ones. Using JWT Authentication in. Which is trusted and repeatedly validated because in most cases it is digitally signed using a private key with the HMAC algorithm. Apr 06, 2017  JWT Validation and Authorization in ASP.NET Core. In my previous posts on the topic of issuing authentication tokens with ASP.NET Core, it was necessary to generate a certificate to use for token signing. As part of that process, a.cer file was generated which contained the public (but not private) key of the certificate.

Jul 08, 2009 You can also generate self signed SSL certificate for testing purpose. In this article, let us review how to generate private key file (server.key), certificate signing request file (server.csr) and webserver certificate file (server.crt) that can be used on Apache server with modssl. Key, CSR and CRT File Naming Convention. May 31, 2016  Token authentication in ASP.NET Core is a mixed bag. The ability to protect routes with Bearer header JWTs is included, but the ability to generate the tokens themselves has been removed and requires the use of custom middleware or external packages. Mar 23, 2018  Everything you ever wanted to know about token authentication in ASP.NET Core 2.0 and beyond. Instead, a public/private keypair is used: the authorization server signs tokens with a secret private key, and publishes a public key that anyone can use to validate tokens. To roll your own full-fledged OpenID Connect authorization server.

By Rick Anderson

ASP.NET Core Identity:

• Is an API that supports user interface (UI) login functionality.
• Manages users, passwords, profile data, roles, claims, tokens, email confirmation, and more.

Users can create an account with the login information stored in Identity or they can use an external login provider. Supported external login providers include Facebook, Google, Microsoft Account, and Twitter.

The Identity source code is available on GitHub. Scaffold Identity and view the generated files to review the template interaction with Identity.

Identity is typically configured using a SQL Server database to store user names, passwords, and profile data. Alternatively, another persistent store can be used, for example, Azure Table Storage.

In this topic, you learn how to use Identity to register, log in, and log out a user. For more detailed instructions about creating apps that use Identity, see the Next Steps section at the end of this article.

Microsoft identity platform is:

• An evolution of the Azure Active Directory (Azure AD) developer platform.
• Unrelated to ASP.NET Core Identity.

ASP.NET Core Identity adds user interface (UI) login functionality to ASP.NET Core web apps. To secure web APIs and SPAs, use one of the following:

• Azure Active Directory B2C (Azure AD B2C)]

IdentityServer4 is an OpenID Connect and OAuth 2.0 framework for ASP.NET Core 3.0. IdentityServer4 enables the following security features:

• Authentication as a Service (AaaS)
• Single sign-on/off (SSO) over multiple application types
• Access control for APIs
• Federation Gateway

For more information, see Welcome to IdentityServer4.

View or download the sample code (how to download)).

Create a Web app with authentication

Create an ASP.NET Core Web Application project with Individual User Accounts.

• Select File > New > Project.
• Select ASP.NET Core Web Application. Name the project WebApp1 to have the same namespace as the project download. Click OK.
• Select an ASP.NET Core Web Application, then select Change Authentication.
• Select Individual User Accounts and click OK.

The preceding command creates a Razor web app using SQLite. To create the web app with LocalDB, run the following command:

The generated project provides ASP.NET Core Identity as a Razor Class Library. The Identity Razor Class Library exposes endpoints with the Identity area. For example:

• /Identity/Account/Login
• /Identity/Account/Logout
• /Identity/Account/Manage

Apply migrations

Apply the migrations to initialize the database.

Run the following command in the Package Manager Console (PMC):

PM> Update-Database

Migrations are not necessary at this step when using SQLite. For LocalDB, run the following command:

Test Register and Login

Run the app and register a user. Depending on your screen size, you might need to select the navigation toggle button to see the Register and Login links.

View the Identity database

• From the View menu, select SQL Server Object Explorer (SSOX).
• Navigate to (localdb)MSSQLLocalDB(SQL Server 13). Right-click on dbo.AspNetUsers > View Data:

There are many third party tools you can download to manage and view a SQLite database, for example DB Browser for SQLite.

Configure Identity services

Services are added in ConfigureServices. The typical pattern is to call all the Add{Service} methods, and then call all the services.Configure{Service} methods.

The preceding highlighted code configures Identity with default option values. Services are made available to the app through dependency injection.

Identity is enabled by calling UseAuthentication. UseAuthentication adds authentication middleware to the request pipeline.

The template-generated app doesn't use authorization. app.UseAuthorization is included to ensure it's added in the correct order should the app add authorization. UseRouting, UseAuthentication, UseAuthorization, and UseEndpoints must be called in the order shown in the preceding code.

For more information on IdentityOptions and Startup, see IdentityOptions and Application Startup.

Scaffold Register, Login, and LogOut

Add the Register, Login, and LogOut files. Follow the Scaffold identity into a Razor project with authorization instructions to generate the code shown in this section.

If you created the project with name WebApp1, run the following commands. Otherwise, use the correct namespace for the ApplicationDbContext:

PowerShell uses semicolon as a command separator. Half life cd key free. When using PowerShell, escape the semicolons in the file list or put the file list in double quotes, as the preceding example shows.

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For more information on scaffolding Identity, see Scaffold identity into a Razor project with authorization.

Examine Register

When a user clicks the Register link, the RegisterModel.OnPostAsync action is invoked. The user is created by CreateAsync on the _userManager object. _userManager is provided by dependency injection):

If the user was created successfully, the user is logged in by the call to _signInManager.SignInAsync.

See account confirmation for steps to prevent immediate login at registration.

Log in

The Login form is displayed when:

• The Log in link is selected.
• A user attempts to access a restricted page that they aren't authorized to access or when they haven't been authenticated by the system.

When the form on the Login page is submitted, the OnPostAsync action is called. PasswordSignInAsync is called on the _signInManager object (provided by dependency injection).

The base Controller class exposes a User property that can be accessed from controller methods. For instance, you can enumerate User.Claims and make authorization decisions. For more information, see Introduction to authorization in ASP.NET Core.

Log out

The Log out link invokes the LogoutModel.OnPost action.

In the preceding code, the code return RedirectToPage(); needs to be a redirect so that the browser performs a new request and the identity for the user gets updated.

SignOutAsync clears the user's claims stored in a cookie.

Post is specified in the Pages/Shared/_LoginPartial.cshtml:

Test Identity

The default web project templates allow anonymous access to the home pages. To test Identity, add [Authorize]:

If you are signed in, sign out. Run the app and select the Privacy link. You are redirected to the login page.

Explore Identity

To explore Identity in more detail:

• Examine the source of each page and step through the debugger.

Identity Components

All the Identity-dependent NuGet packages are included in the ASP.NET Core shared framework.

The primary package for Identity is Microsoft.AspNetCore.Identity. This package contains the core set of interfaces for ASP.NET Core Identity, and is included by Microsoft.AspNetCore.Identity.EntityFrameworkCore.

Migrating to ASP.NET Core Identity

For more information and guidance on migrating your existing Identity store, see Migrate Authentication and Identity.

Setting password strength

See Configuration for a sample that sets the minimum password requirements.

AddDefaultIdentity and AddIdentity

AddDefaultIdentity was introduced in ASP.NET Core 2.1. Calling AddDefaultIdentity is similar to calling the following:

See AddDefaultIdentity source for more information.

Prevent publish of static Identity assets

To prevent publishing static Identity assets (stylesheets and JavaScript files for Identity UI) to the web root, add the following ResolveStaticWebAssetsInputsDependsOn property and RemoveIdentityAssets target to the app's project file:

Next Steps

• See this GitHub issue for information on configuring Identity using SQLite.

By Rick Anderson

ASP.NET Core Identity is a membership system that adds login functionality to ASP.NET Core apps. Users can create an account with the login information stored in Identity or they can use an external login provider. Supported external login providers include Facebook, Google, Microsoft Account, and Twitter.

Identity can be configured using a SQL Server database to store user names, passwords, and profile data. Alternatively, another persistent store can be used, for example, Azure Table Storage.

View or download the sample code (how to download)).

In this topic, you learn how to use Identity to register, log in, and log out a user. For more detailed instructions about creating apps that use Identity, see the Next Steps section at the end of this article.

AddDefaultIdentity and AddIdentity

AddDefaultIdentity was introduced in ASP.NET Core 2.1. Calling AddDefaultIdentity is similar to calling the following:

See AddDefaultIdentity source for more information.

Create a Web app with authentication

Create an ASP.NET Core Web Application project with Individual User Accounts.

• Select File > New > Project.
• Select ASP.NET Core Web Application. Name the project WebApp1 to have the same namespace as the project download. Click OK.
• Select an ASP.NET Core Web Application, then select Change Authentication.
• Select Individual User Accounts and click OK.

The generated project provides ASP.NET Core Identity as a Razor Class Library. The Identity Razor Class Library exposes endpoints with the Identity area. For example:

• /Identity/Account/Login
• /Identity/Account/Logout
• /Identity/Account/Manage

Apply migrations

Apply the migrations to initialize the database.

Run the following command in the Package Manager Console (PMC):

Test Register and Login

Run the app and register a user. Depending on your screen size, you might need to select the navigation toggle button to see the Register and Login links.

View the Identity database

• From the View menu, select SQL Server Object Explorer (SSOX).
• Navigate to (localdb)MSSQLLocalDB(SQL Server 13). Right-click on dbo.AspNetUsers > View Data:

Advantages Of Private Key Encryption

There are many third party tools you can download to manage and view a SQLite database, for example DB Browser for SQLite.

Configure Identity services

Services are added in ConfigureServices. The typical pattern is to call all the Add{Service} methods, and then call all the services.Configure{Service} methods.

The preceding code configures Identity with default option values. Services are made available to the app through dependency injection.

Identity is enabled by calling UseAuthentication. UseAuthentication adds authentication middleware to the request pipeline.

For more information, see the IdentityOptions Class and Application Startup.

Scaffold Register, Login, and LogOut

Follow the Scaffold identity into a Razor project with authorization instructions to generate the code shown in this section.

Add the Register, Login, and LogOut files.

If you created the project with name WebApp1, run the following commands. Otherwise, use the correct namespace for the ApplicationDbContext:

PowerShell uses semicolon as a command separator. When using PowerShell, escape the semicolons in the file list or put the file list in double quotes, as the preceding example shows.

Examine Register

When a user clicks the Register link, the RegisterModel.OnPostAsync action is invoked. The user is created by CreateAsync on the _userManager object. _userManager is provided by dependency injection):

If the user was created successfully, the user is logged in by the call to _signInManager.SignInAsync.

Note: See account confirmation for steps to prevent immediate login at registration.

Log in

The Login form is displayed when:

• The Log in link is selected.
• A user attempts to access a restricted page that they aren't authorized to access or when they haven't been authenticated by the system.

When the form on the Login page is submitted, the OnPostAsync action is called. PasswordSignInAsync is called on the _signInManager object (provided by dependency injection).

The base Controller class exposes a User property that you can access from controller methods. For instance, you can enumerate User.Claims and make authorization decisions. For more information, see Introduction to authorization in ASP.NET Core.

Log out

The Log out link invokes the LogoutModel.OnPost action.

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SignOutAsync clears the user's claims stored in a cookie.

Post is specified in the Pages/Shared/_LoginPartial.cshtml:

Test Identity

The default web project templates allow anonymous access to the home pages. To test Identity, add [Authorize] to the Privacy page.

If you are signed in, sign out. Run the app and select the Privacy link. You are redirected to the login page.

Explore Identity

To explore Identity in more detail:

• Examine the source of each page and step through the debugger.

Identity Components

All the Identity dependent NuGet packages are included in the Microsoft.AspNetCore.App metapackage.

The primary package for Identity is Microsoft.AspNetCore.Identity. This package contains the core set of interfaces for ASP.NET Core Identity, and is included by Microsoft.AspNetCore.Identity.EntityFrameworkCore.

Migrating to ASP.NET Core Identity

For more information and guidance on migrating your existing Identity store, see Migrate Authentication and Identity.

Setting password strength

See Configuration for a sample that sets the minimum password requirements.

Next Steps

Public Private Key Encryption

• See this GitHub issue for information on configuring Identity using SQLite.