OAuth related knowledge

What is OAuth authentication

1. A security authentication protocol; 2. The agreement provides a secure, open and easy standard for the authorization of the user's resources; 3.OAuth authorization does not enable third parties to touch the user's account information (such as user name and password)

Website: www.oauth.net

Roles in OAuth

1.Service Provider (service provider, usually website) 2.User (user) 3.Consumer (Customer---Developer) 4.Protected resources (resource protected).

OAuth authentication, between service Provider, user, and consumer

Three tokens: request token, authorization token, access token, user-supplied user name and password direct access to service Provider

OAuth Authentication steps:

URL,REQUESR Token URL associated with OAuth; User Authorization URL; Access token URL, corresponding to three types of tokens

Encryption algorithm

Original----> Algorithm-----> Ciphertext, the common algorithm has hash algorithm, one-way encryption Algorithm (ciphertext + algorithm can not get the original text)

Digital signatures

OAuth related knowledge