{"id":152633,"date":"2002-08-01T00:00:00","date_gmt":"2002-08-01T00:00:00","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/research\/msr-research-item\/types-and-effects-for-asymmetric-cryptographic-protocols\/"},"modified":"2018-10-16T20:07:17","modified_gmt":"2018-10-17T03:07:17","slug":"types-and-effects-for-asymmetric-cryptographic-protocols","status":"publish","type":"msr-research-item","link":"https:\/\/www.microsoft.com\/en-us\/research\/publication\/types-and-effects-for-asymmetric-cryptographic-protocols\/","title":{"rendered":"Types and Effects for Asymmetric Cryptographic Protocols"},"content":{"rendered":"<div class=\"asset-content\">\n<p>We present the first type and effect system for proving authenticity properties of security protocols based on asymmetric cryptography. The most significant new features of our type system are: (1) a separation of public types (for data possibly sent to the opponent) from tainted types (for data possibly received from the opponent) via a subtype relation; (2) trust effects, to guarantee that tainted data does not, in fact, originate from the opponent; and (3) challenge\/response types to support a variety of idioms used to guarantee message freshness. We illustrate the applicability of our system via protocol examples.<\/p>\n<\/div>\n<p><!-- .asset-content --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>We present the first type and effect system for proving authenticity properties of security protocols based on asymmetric cryptography. The most significant new features of our type system are: (1) a separation of public types (for data possibly sent to the opponent) from tainted types (for data possibly received from the opponent) via a subtype [&hellip;]<\/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":"","msr-author-ordering":null,"msr_publishername":"IEEE","msr_publisher_other":"","msr_booktitle":"","msr_chapter":"","msr_edition":"15th IEEE Computer Security Foundations Workshop (CSFW 2002)","msr_editors":"","msr_how_published":"","msr_isbn":"","msr_issue":"","msr_journal":"","msr_number":"MSR-TR-2002-31","msr_organization":"","msr_pages_string":"77-91","msr_page_range_start":"77","msr_page_range_end":"91","msr_series":"","msr_volume":"","msr_copyright":"","msr_conference_name":"","msr_doi":"","msr_arxiv_id":"","msr_s2_paper_id":"","msr_mag_id":"","msr_pubmed_id":"","msr_other_authors":"Andrew D. 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