What are the key updates in OAuth 2.1?
OAuth 2.1 consolidates previous OAuth specifications and simplifies the framework. Key updates include removing the implicit grant type and requiring the use of Proof Key for Code Exchange (PKCE) for all clients.
Why was the implicit grant type removed?
The implicit grant type was removed to enhance security. It was prone to vulnerabilities, and PKCE provides a more secure alternative for public clients.
What is PKCE and how does it work?
PKCE stands for Proof Key for Code Exchange. It adds an additional layer of security by requiring a code challenge and verifier during the authorization process, preventing interception of authorization codes.
Are there any other significant changes in OAuth 2.1?
Yes, OAuth 2.1 also emphasizes the use of secure redirect URIs and mandates the use of HTTPS for all communications.
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