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Security Assertion Markup Language (SAML, pronounced SAM-el, / ˈ s æ m əl /) [1] is an open standard for exchanging authentication and authorization data between parties, in particular, between an identity provider and a service provider.
Security Assertion Markup Language 2.0 (SAML 2.0) is a version of the SAML standard for exchanging authentication and authorization identities between security domains.SAML 2.0 is an XML-based protocol that uses security tokens containing assertions to pass information about a principal (usually an end user) between a SAML authority, named an Identity Provider, and a SAML consumer, named a ...
A SAML authentication authority that participates in one or more SSO Profiles of SAML [OS 2] is called a SAML identity provider (or simply identity provider if the domain is understood). For example, an authentication authority that participates in SAML Web Browser SSO is an identity provider that performs the following essential tasks:
The Shibboleth Internet2 middleware initiative created an architecture and open-source implementation for identity management and federated identity-based authentication and authorization (or access control) infrastructure based on Security Assertion Markup Language (SAML). Federated identity allows the sharing of information about users from ...
The Security Assertion Markup Language (SAML) is a set of profiles for exchanging authentication and authorization data across security domains. [4] In the SAML domain model, an identity provider is a special type of authentication authority.
Security Assertion Markup Language (SAML) is a set of specifications that encompasses the XML-format for security tokens containing assertions to pass information about a user and protocols and profiles to implement authentication and authorization scenarios.
A user wielding a user agent (usually a web browser) is called the subject in SAML-based single sign-on. The user requests a web resource protected by a SAML service provider. The service provider, wishing to know the identity of the user, issues an authentication request to a SAML identity provider through the user agent.
Every SAML system entity has an entity ID, a globally-unique identifier used in software configurations, relying-party databases, and client-side cookies. On the wire, every SAML protocol message contains the entity ID of the issuer. For authentication purposes, a SAML message may be digitally signed by the issuer.