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To this end, the SAML V2.0 Metadata specification [OS 1] defines a standard representation for SAML metadata that simplifies the configuration of SAML software and makes it possible to create secure, automated processes for metadata sharing.
SAML specifies the content of the assertion that is passed from the IdP to the SP. In SAML, one identity provider may provide SAML assertions to many service providers. Similarly, one SP may rely on and trust assertions from many independent IdPs. [citation needed] SAML does not specify the method of authentication at the identity provider.
SAML actors are Identity Providers (IdP), Service Providers (SP), Discovery Services, ECP Clients, Metadata Services, or Broker/IdP-proxy.This table shows the capability of products according to Kantara Initiative testing.
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 given SAML identity provider is described by an <md:IDPSSODescriptor> element defined by the SAML metadata schema. [OS 3] Likewise, a SAML service provider is described by an <md:SPSSODescriptor> metadata element. In addition to an authentication assertion, a SAML identity provider may also include an attribute assertion in the response.
If you are new to SAML, you should probably read the introductory SAML topic first, and then the SAMLOverview [3] document from OASIS. Prior to SAML 1.1, SAML 1.0 was adopted as an OASIS standard in November 2002. SAML has undergone one minor (V1.1) and one major revision (V2.0) since V1.0, which itself is a relatively simple protocol.
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.
Web Single Sign-On Metadata Exchange Protocol is a Web Services and Federated identity specification, published by Microsoft and Sun Microsystems that defines mechanisms for a service to query an identity provider for metadata concerning the protocol suites it supports. The goal of this operation is to increase the ability of a given service to ...