Mar 21, 2025 · In the following diagram, the application: Single-page applications require Proof Key for Code Exchange (PKCE) when using the authorization code grant flow. PKCE is supported by MSAL. The OAuth 2.0 specification requires you to use an authorization code to redeem an access token only once.

Apr 14, 2025 · By using the authentication libraries for the Microsoft identity platform, applications authenticate identities and acquire tokens to access protected APIs. This article describes authentication flows and the application scenarios that they're used in. Security tokens can be acquired from several types of applications, including:

Apps using the OAuth 2.0 authorization code flow acquire an access_token to include in requests to resources protected by the Microsoft identity platform (typically APIs). Apps can also request new ID and access tokens for previously authenticated entities by using a refresh mechanism. This diagram shows a high-level view of the authentication ...

Jan 25, 2022 · But to catch you up, this diagram below shows the Windows Local Security Authority announcing it has some credentials, to find out which authentication packages know about Azure AD, and the Cloud Authentication Provide package (CloudAP) answering - using it's AAD plugin to go talk to Azure AD using the OAuth protocol.

Jun 12, 2019 · Azure AD supports two authentication protocols, SAMLP (SAML 2.0) and WSFED (WS-Federation). Next, the steps are explained in more detail.

Dec 6, 2022 · Many of the steps for setting up authentication in Azure AD and Azure B2C are similar but Azure AD is designed for authenticating users that are part of your organization. Azure B2C allows you to build a set of users that aren't members of a particular Azure AD organization.

Aug 25, 2023 · Proof Key for Code Exchange or PKCE is an extension to the Authorization Code flow to prevent CSRF (Cross-Site Request Forgery) and authorization code injection attacks. It was originally...

Oct 21, 2019 · We’ll be using OAuth 2 in our solution, and so one of the first things we need to cover is choosing an appropriate OAuth 2 flow. A quick overview of Azure AD’s OAuth 2 flows is given below...

Desktop and mobile applications can use an embedded Web control, or a system browser, for authentication. The following diagram shows how a Desktop or mobile app uses the Microsoft Authentication Library (MSAL) to acquire access tokens and call web APIs. MSAL uses a …

Apr 4, 2019 · I am trying to understand the various steps involved in OAuth access token request/response flow with Azure Active Directory. I created a high level flow diagram to illustrate what I think is happening. Scenario: A web app wants to login a user using Azure AD, get user's permission to read his/her emails and tries to read an email of the user.