{"id":166846,"date":"2014-06-01T00:00:00","date_gmt":"2014-06-01T00:00:00","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/research\/msr-research-item\/u-prove-inequality-proof-extension\/"},"modified":"2018-10-16T21:15:09","modified_gmt":"2018-10-17T04:15:09","slug":"u-prove-inequality-proof-extension","status":"publish","type":"msr-research-item","link":"https:\/\/www.microsoft.com\/en-us\/research\/publication\/u-prove-inequality-proof-extension\/","title":{"rendered":"U-Prove Inequality Proof Extension"},"content":{"rendered":"
This document extends the U-Prove Cryptographic Specification by specifying equality of discrete logarithm representation proofs. This allows proving equality between U-Prove attribute values.<\/p>\n<\/div>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
This document extends the U-Prove Cryptographic Specification by specifying equality of discrete logarithm representation proofs. This allows proving equality between U-Prove attribute values.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","footnotes":""},"msr-content-type":[3],"msr-research-highlight":[],"research-area":[13558],"msr-publication-type":[193718],"msr-product-type":[],"msr-focus-area":[],"msr-platform":[],"msr-download-source":[],"msr-locale":[268875],"msr-post-option":[],"msr-field-of-study":[],"msr-conference":[],"msr-journal":[],"msr-impact-theme":[],"msr-pillar":[],"class_list":["post-166846","msr-research-item","type-msr-research-item","status-publish","hentry","msr-research-area-security-privacy-cryptography","msr-locale-en_us"],"msr_publishername":"Microsoft Research","msr_edition":"","msr_affiliation":"","msr_published_date":"2014-06-01","msr_host":"","msr_duration":"","msr_version":"","msr_speaker":"","msr_other_contributors":"","msr_booktitle":"","msr_pages_string":"","msr_chapter":"","msr_isbn":"","msr_journal":"","msr_volume":"","msr_number":"MSR-TR-2014-87","msr_editors":"","msr_series":"","msr_issue":"","msr_organization":"","msr_how_published":"","msr_notes":"","msr_highlight_text":"","msr_release_tracker_id":"","msr_original_fields_of_study":"","msr_download_urls":"","msr_external_url":"","msr_secondary_video_url":"","msr_longbiography":"","msr_microsoftintellectualproperty":1,"msr_main_download":"204898","msr_publicationurl":"","msr_doi":"","msr_publication_uploader":[{"type":"file","title":"U-Prove%20Inequality%20Proof%20Extension.pdf","viewUrl":"https:\/\/www.microsoft.com\/en-us\/research\/wp-content\/uploads\/2016\/02\/U-Prove20Inequality20Proof20Extension.pdf","id":204898,"label_id":0}],"msr_related_uploader":"","msr_attachments":[{"id":204898,"url":"https:\/\/www.microsoft.com\/en-us\/research\/wp-content\/uploads\/2016\/02\/U-Prove20Inequality20Proof20Extension.pdf"}],"msr-author-ordering":[{"type":"user_nicename","value":"mibelenk","user_id":32898,"rest_url":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/microsoft-research\/v1\/researchers?person=mibelenk"}],"msr_impact_theme":[],"msr_research_lab":[],"msr_event":[],"msr_group":[],"msr_project":[170918],"publication":[],"video":[],"download":[],"msr_publication_type":"techreport","related_content":{"projects":[{"ID":170918,"post_title":"U-Prove","post_name":"u-prove","post_type":"msr-project","post_date":"2012-02-25 22:58:55","post_modified":"2023-05-29 14:07:29","post_status":"publish","permalink":"https:\/\/www.microsoft.com\/en-us\/research\/project\/u-prove\/","post_excerpt":"Overview A U-Prove token is a type of credential similar to a PKI certificate that can encode attributes of any type, but with two important differences: 1) The issuance and presentation of a token is unlinkable due to the special type of public key and signature encoded in the token; the cryptographic \u201cwrapping\u201d of the attributes contain no correlation handles. 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