{"id":2066,"date":"2020-03-09T22:18:57","date_gmt":"2020-03-10T05:18:57","guid":{"rendered":"https:\/\/self-issued.info\/?p=2066"},"modified":"2020-03-09T22:18:57","modified_gmt":"2020-03-10T05:18:57","slug":"proof-of-possession-key-semantics-for-cbor-web-tokens-cwts-is-now-rfc-8747","status":"publish","type":"post","link":"https:\/\/self-issued.info\/?p=2066","title":{"rendered":"Proof-of-Possession Key Semantics for CBOR Web Tokens (CWTs) is now RFC 8747"},"content":{"rendered":"<p><span class=\"plain\"><img decoding=\"async\" align=\"right\" alt=\"IETF logo\" src=\"https:\/\/self-issued.info\/images\/ietf-logo.png\"><\/span>I&#8217;m pleased to report that Proof-of-Possession Key Semantics for CBOR Web Tokens (CWTs) is now <a href=\"https:\/\/www.rfc-editor.org\/rfc\/rfc8747.html\">RFC 8747<\/a>.  The abstract of the specification is:<\/p>\n<blockquote><p>\n<b><i>This specification describes how to declare in a CBOR Web Token (CWT) (which is defined by RFC 8392) that the presenter of the CWT possesses a particular proof-of-possession key. Being able to prove possession of a key is also sometimes described as being the holder-of-key. This specification provides equivalent functionality to &#8220;Proof-of-Possession Key Semantics for JSON Web Tokens (JWTs)&#8221; (RFC 7800) but using Concise Binary Object Representation (CBOR) and CWTs rather than JavaScript Object Notation (JSON) and JSON Web Tokens (JWTs).<\/i><\/b><\/p><\/blockquote>\n<p>This is one of a series of specifications, including CWT [<a href=\"https:\/\/tools.ietf.org\/html\/rfc8392\">RFC 8392<\/a>] &#8212; which mirrors JWT [<a href=\"https:\/\/tools.ietf.org\/html\/rfc7519\">RFC 7519<\/a>], in which we are intentionally bringing functionality that is available in JSON to the CBOR and IoT world.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I&#8217;m pleased to report that Proof-of-Possession Key Semantics for CBOR Web Tokens (CWTs) is now RFC 8747. The abstract of the specification is: This specification describes how to declare in a CBOR Web Token (CWT) (which is defined by RFC 8392) that the presenter of the CWT possesses a particular proof-of-possession key. Being able to [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29,8,28,32,25],"tags":[],"class_list":["post-2066","post","type-post","status-publish","format-standard","hentry","category-cbor","category-claims","category-cryptography","category-ietf","category-specifications"],"_links":{"self":[{"href":"https:\/\/self-issued.info\/index.php?rest_route=\/wp\/v2\/posts\/2066","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/self-issued.info\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/self-issued.info\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/self-issued.info\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/self-issued.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2066"}],"version-history":[{"count":1,"href":"https:\/\/self-issued.info\/index.php?rest_route=\/wp\/v2\/posts\/2066\/revisions"}],"predecessor-version":[{"id":2067,"href":"https:\/\/self-issued.info\/index.php?rest_route=\/wp\/v2\/posts\/2066\/revisions\/2067"}],"wp:attachment":[{"href":"https:\/\/self-issued.info\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2066"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/self-issued.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2066"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/self-issued.info\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}