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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.
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:
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.
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 ...
In the SAML domain model, an identity provider is a special type of authentication authority. Specifically, a SAML identity provider is a system entity that issues authentication assertions in conjunction with an SSO profile of SAML. A relying party that consumes these authentication assertions is called a SAML service provider. [citation needed]
Shibboleth is a web-based technology that implements the HTTP/POST artifact and attribute push profiles of SAML, including both Identity Provider (IdP) and Service Provider (SP) components. Shibboleth 1.3 has its own technical overview, [3] architectural document, [4] and conformance document [5] that build on top of the SAML 1.1 specifications.
A SAML service provider is a system entity that receives and accepts authentication assertions in conjunction with a single sign-on (SSO) profile of the Security Assertion Markup Language (SAML). In the SAML domain model, a SAML relying party is any system entity that receives and accepts information from another system entity.
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]