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OAuth (short for open authorization[1][2]) is an open standard for access delegation, commonly used as a way for internet users to grant websites or applications access to their information on other websites but without giving them the passwords. [3][4] This mechanism is used by companies such as Amazon, [5] Google, Meta Platforms, Microsoft ...
In a typical OAuth flow: A resource owner (RO), a human who uses a client application, is redirected to an authorization server (AS) to log in and consent to the issuance of an access token. This access token allows the client application to gain API access to the resource server (RS) on the resource owner's behalf in the future, likely in a ...
Security token service (STS) is a cross-platform open standard core component of the OASIS group's WS-Trust web services single sign-on infrastructure framework specification. cf.[1][2] Within that claims-based identity framework, a secure token service is responsible for issuing, validating, renewing and cancelling security tokens.
The OpenID logo. OpenID is an open standard and decentralized authentication protocol promoted by the non-profit OpenID Foundation.It allows users to be authenticated by co-operating sites (known as relying parties, or RP) using a third-party identity provider (IDP) service, eliminating the need for webmasters to provide their own ad hoc login systems, and allowing users to log in to multiple ...
List of notable OAuth service providers. Service provider. OAuth protocol. OpenID Connect. Amazon. 2.0 [1] AOL. 2.0 [2] Autodesk.
Central Authentication Service. The Central Authentication Service (CAS) is a single sign-on protocol for the web. [1] Its purpose is to permit a user to access multiple applications while providing their credentials (such as user ID and password) only once. It also allows web applications to authenticate users without gaining access to a user ...
In the context of an HTTP transaction, basic access authentication is a method for an HTTP user agent (e.g. a web browser) to provide a user name and password when making a request. In basic HTTP authentication, a request contains a header field in the form of Authorization: Basic <credentials>, where <credentials> is the Base64 encoding of ID ...
Through the collaboration of several OATH members, a TOTP draft was developed in order to create an industry-backed standard. It complements the event-based one-time standard HOTP, and it offers end user organizations and enterprises more choice in selecting technologies that best fit their application requirements and security guidelines.