{"id":1643,"date":"2025-02-09T19:55:27","date_gmt":"2025-02-09T19:55:27","guid":{"rendered":"https:\/\/7demates.upc.edu\/?p=1643"},"modified":"2025-02-09T19:55:27","modified_gmt":"2025-02-09T19:55:27","slug":"top-secret-criptografia","status":"publish","type":"post","link":"https:\/\/7demates.upc.edu\/index.php\/2025\/02\/09\/top-secret-criptografia\/","title":{"rendered":"Top Secret: Criptografia"},"content":{"rendered":"\n<p>La darrera sessi\u00f3 del 7deMates va ser una petita passejada per la hist\u00f2ria de la criptografia. Des del xifrat C\u00e8sar fins a la m\u00e0quina Enigma, passant pel m\u00e8tode Atbash i l&#8217;an\u00e0lisi de freq\u00fc\u00e8ncies &#8211; de les lletres en un determinat idioma. Com a cirereta del past\u00eds, els participants van construir la seva &#8220;m\u00e0quina Enigma&#8221; amb un pot de Pringles. Tot plegat ens va tenir ben entretinguts durant tot el mat\u00ed. Us esperem a la propera sessi\u00f3!<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto5-1-1024x768.jpeg\" alt=\"\" class=\"wp-image-1648\" srcset=\"https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto5-1-1024x768.jpeg 1024w, https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto5-1-300x225.jpeg 300w, https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto5-1-768x576.jpeg 768w, https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto5-1-1536x1152.jpeg 1536w, https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto5-1-600x450.jpeg 600w, https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto5-1.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto1-1024x768.jpeg\" alt=\"\" class=\"wp-image-1644\" srcset=\"https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto1-1024x768.jpeg 1024w, https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto1-300x225.jpeg 300w, https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto1-768x576.jpeg 768w, https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto1-1536x1152.jpeg 1536w, https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto1-600x450.jpeg 600w, https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto1.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"472\" src=\"https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto2-1024x472.jpeg\" alt=\"\" class=\"wp-image-1645\" srcset=\"https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto2-1024x472.jpeg 1024w, https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto2-300x138.jpeg 300w, https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto2-768x354.jpeg 768w, https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto2-1536x708.jpeg 1536w, https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto2.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"771\" src=\"https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto4-1024x771.jpeg\" alt=\"\" class=\"wp-image-1649\" srcset=\"https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto4-1024x771.jpeg 1024w, https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto4-300x226.jpeg 300w, https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto4-768x578.jpeg 768w, https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto4-1536x1156.jpeg 1536w, https:\/\/7demates.upc.edu\/wp-content\/uploads\/2025\/02\/cripto4.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>La darrera sessi\u00f3 del 7deMates va ser una petita passejada per la hist\u00f2ria de la criptografia. Des del xifrat C\u00e8sar<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[69,68,60,70],"class_list":["post-1643","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-codis","tag-criptografia","tag-curs-24-25","tag-secrets"],"_links":{"self":[{"href":"https:\/\/7demates.upc.edu\/index.php\/wp-json\/wp\/v2\/posts\/1643","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/7demates.upc.edu\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/7demates.upc.edu\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/7demates.upc.edu\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/7demates.upc.edu\/index.php\/wp-json\/wp\/v2\/comments?post=1643"}],"version-history":[{"count":1,"href":"https:\/\/7demates.upc.edu\/index.php\/wp-json\/wp\/v2\/posts\/1643\/revisions"}],"predecessor-version":[{"id":1650,"href":"https:\/\/7demates.upc.edu\/index.php\/wp-json\/wp\/v2\/posts\/1643\/revisions\/1650"}],"wp:attachment":[{"href":"https:\/\/7demates.upc.edu\/index.php\/wp-json\/wp\/v2\/media?parent=1643"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/7demates.upc.edu\/index.php\/wp-json\/wp\/v2\/categories?post=1643"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/7demates.upc.edu\/index.php\/wp-json\/wp\/v2\/tags?post=1643"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}