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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.
SAML is built upon a number of existing standards: Extensible Markup Language (XML): Most SAML exchanges are expressed in a standardized dialect of XML, which is the root for the name SAML (Security Assertion Markup Language). XML Schema (XSD): SAML assertions and protocols are specified (in part) using XML Schema.
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:
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.
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 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.
Standards such as WS-Security, SAML, WS-Trust, WS-SecureConversation and WS-SecurityPolicy focus on the security and identity management aspects of SOA implementations that use Web services. Technologies such as virtual organization in grid computing , application-oriented networking (AON) and XML gateways are addressing the problem of SOA ...
[CS 1] The SAML metadata standard belongs to the family of XML-based standards known as the Security Assertion Markup Language (SAML) published by OASIS in 2005. A SAML metadata document describes a SAML deployment such as a SAML identity provider or a SAML service provider .