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Prior to the release of the SAML WebSSO Technology Profile 1.0.0, the transfer of an subject's level of assurance (LOA) was accomplished through the use of the authncontextclassref. However, if the eduPersonAssurance attribute is present in a subject's attribute statement, it supersedes the authncontextclassref. It is planned that in the future, the use of the LOA in the authncontextclassref attribute will be phased out.
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