SAML V2.0 Text-Based Challenge/ Response Token AuthenticationContext Class
Covers a subset of challenge/response schemes including those that are based on cryptographic functions and time-based tokens. The notion of text-based challenge/response tokens are not covered by any of the current authentication context definitions.
This document proposes an authentication context class to cover the general case of text-based challenge/response tokens to facilitate signaling their use in SAML. Such schemes include, for example, scratch tokens, numbered list tokens, grid tokens, etc. associated with a challenge/response authentication function. This document also proposes an extension that enables text-based challenge/response token parameters to be specified in relevant authentication contexts. This extension would be included in the
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Security Services (SAML) TCVoting history:
May 2007
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[SAML2.0-text-challenge] SAML V2.0 Text-Based Challenge/ Response Token Authentication Context Class. Edited by Sharon Boeyen and Thomas Wisniewski. 23 May 2007. OASIS Committee Specification 01. http://docs.oasis-open.org/security/saml/SpecDrafts-Post2.0/sstc-saml-text-based-challenge-response-authn-context-class-cs-01.html. Latest version: http://docs.oasis-open.org/security/saml/SpecDrafts-Post2.0/sstc-saml-text-based-challenge-response-authn-context-class-cd-01.html.