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SAML Protocol Response. A SAML protocol describes how certain SAML elements (including assertions) are packaged within SAML request and response elements, and gives the processing rules that SAML entities must follow when producing or consuming these elements. For the most part, a SAML protocol is a simple request-response protocol.
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 ...
[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. Deployments share metadata to establish a baseline of trust and ...
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.
The SAML Response must be digitally signed by the identity provider. Important: It is assumed that the principal has already established a security context at the identity provider, otherwise the Inter-site Transfer Service would be unable to provide an authentication statement in the SAML Response element.
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.
The Shibboleth project grew out of Internet2. Today, the project is managed by the Shibboleth Consortium. Two of the most popular software components managed by the Shibboleth Consortium are the Shibboleth Identity Provider and the Shibboleth Service Provider, both of which are implementations of SAML.
The protocol specifies how integrity and confidentiality can be enforced on messages and allows the communication of various security token formats, such as Security Assertion Markup Language (SAML), Kerberos, and X.509. Its main focus is the use of XML Signature and XML Encryption to provide end-to-end security.