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In some related but distinct contexts, the term AAA has been used to refer to protocol-specific information. For example, Diameter uses the URI scheme AAA, which also stands for "Authentication, Authorization and Accounting", as well as the Diameter-based Protocol AAAS, which stands for "Authentication, Authorization and Accounting with Secure Transport". [4]
Traditional approaches to authorization and access control in computer systems are not sufficient to address the requirements of federated and distributed systems, where infrastructural support may be required. Authentication and authorization infrastructure solutions address such limitations.
The Google Authenticator app for Android was originally open source, but later became proprietary. [11] Google made earlier source for their Authenticator app available on its GitHub repository; the associated development page stated: "This open source project allows you to download the code that powered version 2.21 of the application.
Oauth 2.0 is a simple protocol. To start, it is necessary to obtain credentials from the Developers Console. Then the client app can request an access Token from the Google Authorization Server, and uses that Token for authorization when accessing a Google API service. [4]
gRPC supports the usage of Transport Layer Security (TLS) and token-based authentication. Connection to Google services must use TLS. There are two types of credentials: channel credentials and call credentials. For token-based authorization, gRPC provides Server Interceptor [6] and a Client Interceptor. [7]
For instance, if writing an application for handling medical records, the indexing of such records is a core concern, while logging a history of changes to the record database or user database, or an authentication system, would be cross-cutting concerns since they interact with more parts of the program.
The crucial difference is that in the OpenID authentication use case, the response from the identity provider is an assertion of identity; while in the OAuth authorization use case, the identity provider is also an API provider, and the response from the identity provider is an access token that may grant the application ongoing access to some ...
Multi-factor authentication (MFA; two-factor authentication, or 2FA, along with similar terms) is an electronic authentication method in which a user is granted access to a website or application only after successfully presenting two or more pieces of evidence (or factors) to an authentication mechanism.