{"id":34519,"date":"2021-12-21T14:55:47","date_gmt":"2021-12-21T19:55:47","guid":{"rendered":"https:\/\/mjtsai.com\/blog\/?p=34519"},"modified":"2021-12-21T14:55:47","modified_gmt":"2021-12-21T19:55:47","slug":"ribosome-inverts-photodna","status":"publish","type":"post","link":"https:\/\/mjtsai.com\/blog\/2021\/12\/21\/ribosome-inverts-photodna\/","title":{"rendered":"Ribosome Inverts PhotoDNA"},"content":{"rendered":"<p><a href=\"https:\/\/www.anishathalye.com\/2021\/12\/20\/inverting-photodna\/\">Anish Athalye<\/a> (via <a href=\"https:\/\/news.ycombinator.com\/item?id=29626911\">Hacker News<\/a>):<\/p>\n<blockquote cite=\"https:\/\/www.anishathalye.com\/2021\/12\/20\/inverting-photodna\/\"><p>Microsoft <a href=\"https:\/\/www.microsoft.com\/en-us\/photodna\">PhotoDNA<\/a> creates a &ldquo;unique digital signature&rdquo; of an image which can\nbe matched against a database containing signatures of previously identified\nillegal images like CSAM. The technology is <a href=\"https:\/\/www.makeuseof.com\/what-is-photodna-how-does-it-work\/\">used<\/a> by\ncompanies including Google, Facebook, and Twitter. Microsoft says:<\/p><blockquote><p>A PhotoDNA hash is not reversible, and therefore cannot be used to recreate\nan image.<\/p><\/blockquote><p><a href=\"https:\/\/github.com\/anishathalye\/ribosome\">Ribosome<\/a> inverts PhotoDNA hashes using machine learning.<\/p><p>This demonstration uses provocative images to make a point: rough body shapes\nand faces can be recovered from the PhotoDNA hash.<\/p><\/blockquote>\n\n<p>Previously:<\/p>\n<ul>\n<li><a href=\"https:\/\/mjtsai.com\/blog\/2021\/08\/18\/neuralhash-implementation-and-collision\/\">NeuralHash Implementation and Collision<\/a><\/li>\n<li><a href=\"https:\/\/mjtsai.com\/blog\/2021\/08\/05\/scanning-icloud-photos-for-child-sexual-abuse\/\">Scanning iCloud Photos for Child Sexual Abuse<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Anish Athalye (via Hacker News): Microsoft PhotoDNA creates a &ldquo;unique digital signature&rdquo; of an image which can be matched against a database containing signatures of previously identified illegal images like CSAM. The technology is used by companies including Google, Facebook, and Twitter. Microsoft says:A PhotoDNA hash is not reversible, and therefore cannot be used to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"apple_news_api_created_at":"2021-12-21T19:55:50Z","apple_news_api_id":"9fec4376-73b1-4a1d-a78c-f6cdc8d38d6a","apple_news_api_modified_at":"2021-12-21T19:55:50Z","apple_news_api_revision":"AAAAAAAAAAD\/\/\/\/\/\/\/\/\/\/w==","apple_news_api_share_url":"https:\/\/apple.news\/An-xDdnOxSh2njPbNyNONag","apple_news_coverimage":0,"apple_news_coverimage_caption":"","apple_news_is_hidden":false,"apple_news_is_paid":false,"apple_news_is_preview":false,"apple_news_is_sponsored":false,"apple_news_maturity_rating":"","apple_news_metadata":"\"\"","apple_news_pullquote":"","apple_news_pullquote_position":"","apple_news_slug":"","apple_news_sections":"\"\"","apple_news_suppress_video_url":false,"apple_news_use_image_component":false,"footnotes":""},"categories":[4],"tags":[1351,2106,619,74,71],"class_list":["post-34519","post","type-post","status-publish","format-standard","hentry","category-programming-category","tag-artificial-intelligence","tag-child-sexual-abuse-material-csam","tag-graphics","tag-opensource","tag-programming"],"apple_news_notices":[],"_links":{"self":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/34519","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/comments?post=34519"}],"version-history":[{"count":1,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/34519\/revisions"}],"predecessor-version":[{"id":34520,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/34519\/revisions\/34520"}],"wp:attachment":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/media?parent=34519"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/categories?post=34519"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/tags?post=34519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}