{"id":2657,"date":"2025-04-25T17:27:21","date_gmt":"2025-04-26T00:27:21","guid":{"rendered":"https:\/\/self-issued.info\/?p=2657"},"modified":"2025-04-25T17:33:57","modified_gmt":"2025-04-26T00:33:57","slug":"hybrid-public-key-encryption-hpke-for-jose-incorporating-feedback-from-ietf-122","status":"publish","type":"post","link":"https:\/\/self-issued.info\/?p=2657","title":{"rendered":"Hybrid Public Key Encryption (HPKE) for JOSE incorporating feedback from IETF 122"},"content":{"rendered":"<p><span class=\"plain\"><img decoding=\"async\" align=\"right\" src=\"https:\/\/self-issued.info\/images\/ietf-logo.png\" alt=\"IETF logo\"><\/span>The &#8220;<a href=\"https:\/\/www.ietf.org\/archive\/id\/draft-ietf-jose-hpke-encrypt-08.html\">Use of Hybrid Public-Key Encryption (HPKE) with JSON Object Signing and Encryption (JOSE)<\/a>&#8221; specification has updated to incorporate feedback from <a href=\"https:\/\/datatracker.ietf.org\/meeting\/122\/proceedings\">IETF 122 in Bangkok<\/a>.<\/p>\n<p>Per the History entries, the changes were:<\/p>\n<ul>\n<li>Use <code>\"enc\":\"int\"<\/code> for integrated encryption.<\/li>\n<li>Described the reasons for excluding authenticated HPKE.<\/li>\n<li>Stated that mutually known private information MAY be used as the HPKE info value.<\/li>\n<\/ul>\n<p>At this point, the authors have closed all the <a href=\"https:\/\/github.com\/ietf-wg-jose\/draft-ietf-jose-hpke-encrypt\">issues and PRs<\/a> that we believe there&#8217;s consensus to address.  I would normally suggest that we&#8217;re ready for working group last call at this point, but I&#8217;d like us to take the extra step to verify that the spec is aligned with the <a href=\"https:\/\/datatracker.ietf.org\/doc\/draft-ietf-cose-hpke\/\">COSE HPKE<\/a> spec first.  Both as an author of the JOSE HPKE spec and as a COSE chair interested in the COSE HPKE spec, I&#8217;d request that members of both working groups review the specs together and send their feedback.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The &#8220;Use of Hybrid Public-Key Encryption (HPKE) with JSON Object Signing and Encryption (JOSE)&#8221; specification has updated to incorporate feedback from IETF 122 in Bangkok. Per the History entries, the changes were: Use &#8220;enc&#8221;:&#8221;int&#8221; for integrated encryption. Described the reasons for excluding authenticated HPKE. Stated that mutually known private information MAY be used as the [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28,32,27,25],"tags":[],"class_list":["post-2657","post","type-post","status-publish","format-standard","hentry","category-cryptography","category-ietf","category-json","category-specifications"],"_links":{"self":[{"href":"https:\/\/self-issued.info\/index.php?rest_route=\/wp\/v2\/posts\/2657","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=2657"}],"version-history":[{"count":8,"href":"https:\/\/self-issued.info\/index.php?rest_route=\/wp\/v2\/posts\/2657\/revisions"}],"predecessor-version":[{"id":2665,"href":"https:\/\/self-issued.info\/index.php?rest_route=\/wp\/v2\/posts\/2657\/revisions\/2665"}],"wp:attachment":[{"href":"https:\/\/self-issued.info\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/self-issued.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/self-issued.info\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}