{"id":96078,"date":"2025-07-19T08:08:40","date_gmt":"2025-07-19T12:08:40","guid":{"rendered":"http:\/\/pappp.net\/?guid=c314f499f38d77c5c424deccd99042fa"},"modified":"2025-07-19T08:08:40","modified_gmt":"2025-07-19T12:08:40","slug":"makeshift-security-analysis-of-shimano-di2-wireless-gear-shifting-in-bicycles","status":"publish","type":"post","link":"https:\/\/pappp.net\/?p=96078","title":{"rendered":"MakeShift: Security Analysis of Shimano Di2 Wireless Gear Shifting in Bicycles"},"content":{"rendered":"<p class=\"syndicated-attribution\">Source: <a href=\"https:\/\/www.usenix.org\/conference\/woot24\/presentation\/motallebighomi\">Hacker News<\/a><\/p>\n<div style=\"background-color : #fff7d5;\n\t\t\tborder-width : 1px; padding : 5px; border-style : dashed; border-color : #e7d796;margin-bottom : 1em; color : #9a8c59;\">Article note: Nifty, someone RE'd the Shimano Di2 protocol.  Pretty sane 2.479GHz GFSK scheme.  It's susceptible to replay attacks and selective jamming. (1) I hope someone writes an NRF24 firmware or something to make compatible dingi, and (2) I bet this will lead to some srs bsns racing shenanigans, or at least accusations thereof.<\/div><a href=\"https:\/\/news.ycombinator.com\/item?id=44614837\" rel=\"noopener noreferrer\">Comments<\/a>","protected":false},"excerpt":{"rendered":"<p>Comments<\/p>\n<p> <a href=\"https:\/\/pappp.net\/?p=96078\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[226],"tags":[],"class_list":["post-96078","post","type-post","status-publish","format-standard","hentry","category-news-2"],"_links":{"self":[{"href":"https:\/\/pappp.net\/index.php?rest_route=\/wp\/v2\/posts\/96078","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pappp.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pappp.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pappp.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pappp.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=96078"}],"version-history":[{"count":0,"href":"https:\/\/pappp.net\/index.php?rest_route=\/wp\/v2\/posts\/96078\/revisions"}],"wp:attachment":[{"href":"https:\/\/pappp.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=96078"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pappp.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=96078"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pappp.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=96078"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}