name: SOAP
full_form: Simple Object Access Protocol
context: URL and HTTP Request with the SAML artefact. 8) The SP sends an HTTP Request with the SAML artefact to the IdP. The request contains a <samlp:Request> SOAP Request message to the identity providerâs SOAP endpoint, requesting the assertion by providing the SAML assertion artefact in the < samlp:AssertionArtefact> element as specified in [12] 9) The IdP can now construct or find the requested assertion and responds with a <samlp:Response> SOAP Response message with the requested <saml:Assertion> or an status code as defined [13]. The IdP sends the authentication assertion that corresponds to the artefact. 10) The SP processes the SOAP message with the <saml:Assertion> returned in the <samlp:Response>, verifies the signature on the <saml:Assertion> and processes the message as defined in [12] and then answers with a HTTP Response. The SAML authentication assertion should have a lifetime equal to or less than the B-TID. The assertion should be stored together with the B-TID in the table
description: Simple Object Access Protocol (SOAP) is a protocol used for exchanging structured information in the implementation of web services. In this context, SOAP is utilized for sending and receiving SAML messages between the Service Provider (SP) and Identity Provider (IdP), enabling secure authentication and assertion exchange.
explanation: SOAP is classified as a Protocol because it defines a standardized format for message exchange between network entities, specifically in this case, for secure communication related to authentication and authorization using SAML.
section_title: 4.3.4	SSO scenario: ID-FF with artefact transfer
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