{"id":11923,"date":"2026-01-21T18:09:58","date_gmt":"2026-01-21T17:09:58","guid":{"rendered":"https:\/\/agora.xtec.cat\/iesrafaelcasanova\/?p=11923"},"modified":"2026-01-22T10:14:13","modified_gmt":"2026-01-22T09:14:13","slug":"criptografia-xerrada-i-tallers-de-codis-secrets","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/iesrafaelcasanova\/general\/criptografia-xerrada-i-tallers-de-codis-secrets\/","title":{"rendered":"Criptografia: xerrada i tallers de codis secrets"},"content":{"rendered":"<p><a href=\"https:\/\/agora.xtec.cat\/iesrafaelcasanova\/wp-content\/uploads\/usu156\/2026\/01\/enigma-touch_orig.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-11924\" src=\"https:\/\/agora.xtec.cat\/iesrafaelcasanova\/wp-content\/uploads\/usu156\/2026\/01\/enigma-touch_orig-1024x360.jpg\" alt=\"\" width=\"1024\" height=\"360\" srcset=\"https:\/\/agora.xtec.cat\/iesrafaelcasanova\/wp-content\/uploads\/usu156\/2026\/01\/enigma-touch_orig-1024x360.jpg 1024w, https:\/\/agora.xtec.cat\/iesrafaelcasanova\/wp-content\/uploads\/usu156\/2026\/01\/enigma-touch_orig-300x106.jpg 300w, https:\/\/agora.xtec.cat\/iesrafaelcasanova\/wp-content\/uploads\/usu156\/2026\/01\/enigma-touch_orig-768x270.jpg 768w, https:\/\/agora.xtec.cat\/iesrafaelcasanova\/wp-content\/uploads\/usu156\/2026\/01\/enigma-touch_orig.jpg 1100w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>Al novembre l&#8217;alumnat de les optatives de tecnologia de 4rt de la ESO i 1r de Batxillerat van gaudir d&#8217;un taller de criptografia a c\u00e0rrec de l&#8217;expert divulgador \u00d2scar Font. Aquestes s\u00f3n algunes de les opinions que s&#8217;han recollit:<\/p>\n<p>\u00abM\u2019agrada molt perqu\u00e8 \u00e9s molt interessant\u00bb, \u00abel que m\u00e9s m&#8217;ha agradat ha estat desxifrar els codis secrets\u00bb, \u00abel que m\u00e9s m\u2019ha agradat ha estat la manera com l\u2019\u00d2scar ha sabut connectar la criptografia hist\u00f2rica amb situacions actuals\u00bb, \u00abNo s\u2019ha limitat a explicar m\u00e0quines o xifrats antics, sin\u00f3 que ha mostrat molts principis que utilitzaven fa d\u00e8cades\u00bb, \u00abno es va limitar a parlar de xifrats cl\u00e0ssics com el C\u00e8sar o l\u2019Enigma, sin\u00f3 que va mostrar com aquests sistemes antics han inspirat els mecanismes moderns que avui protegeixen les nostres comunicacions digitals\u00bb, \u00abtamb\u00e9 ens han explicat com enviar missatges encriptats de manera que ning\u00fa ho s\u00e0piga\u00bb, \u00abm&#8217;ha agradat tot penso que ha estat una classe molt activa, i la seva pr\u00f2pia forma d&#8217;explicar l&#8217;ha fet molt interessant\u00bb, \u00abel taller em sembla molt interessant perqu\u00e8 m&#8217;agrada el tema del qual parla, a m\u00e9s a m\u00e9s de la hist\u00f2ria que combina amb mates\u00bb \u00abres, m\u2019ha agradat tot\u00bb \u00abtot m&#8217;ha semblat interessant, fer-lo hem va agradar bastant\u00bb.<\/p>\n<p>Est\u00e0 clar que va ser un \u00e8xit!<\/p>\n<p>Per veure les fotos del taller i con\u00e8ixer totes les opinions clica <a href=\"https:\/\/agora.xtec.cat\/iesrafaelcasanova\/wp-content\/uploads\/usu156\/2026\/01\/Noticia-criptografia.pdf\">aqu\u00ed<\/a><\/p>\n<pre>Imatge: m\u00e0quina enigma. Font: https:\/\/www.enigmatitis.com\/<\/pre>\n","protected":false},"excerpt":{"rendered":"<p><a href=\"https:\/\/agora.xtec.cat\/iesrafaelcasanova\/wp-content\/uploads\/usu156\/2026\/01\/enigma-touch_orig.jpg\"><\/a><br \/>\nAl novembre l&#8217;alumnat de les optatives de tecnologia de 4rt de la ESO i 1r de Batxillerat van gaudir d&#8217;un taller de criptografia a c\u00e0rrec de l&#8217;expert divulgador \u00d2scar Font. Aquestes s\u00f3n algunes de les opinions que s&#8217;han recollit:<br \/>\n\u00abM\u2019agrada molt perqu\u00e8 \u00e9s molt interessant\u00bb,&hellip;  <a href=\"https:\/\/agora.xtec.cat\/iesrafaelcasanova\/general\/criptografia-xerrada-i-tallers-de-codis-secrets\/\" title=\"Read Criptografia: xerrada i tallers de codis secrets\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":1,"featured_media":11924,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[8,7,1,29,502],"tags":[],"class_list":["post-11923","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-batxillerat","category-eso-4","category-general","category-portada","category-tallers"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/iesrafaelcasanova\/wp-json\/wp\/v2\/posts\/11923","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/iesrafaelcasanova\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/iesrafaelcasanova\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesrafaelcasanova\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesrafaelcasanova\/wp-json\/wp\/v2\/comments?post=11923"}],"version-history":[{"count":6,"href":"https:\/\/agora.xtec.cat\/iesrafaelcasanova\/wp-json\/wp\/v2\/posts\/11923\/revisions"}],"predecessor-version":[{"id":11934,"href":"https:\/\/agora.xtec.cat\/iesrafaelcasanova\/wp-json\/wp\/v2\/posts\/11923\/revisions\/11934"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesrafaelcasanova\/wp-json\/wp\/v2\/media\/11924"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/iesrafaelcasanova\/wp-json\/wp\/v2\/media?parent=11923"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesrafaelcasanova\/wp-json\/wp\/v2\/categories?post=11923"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesrafaelcasanova\/wp-json\/wp\/v2\/tags?post=11923"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}