{"id":55,"date":"2017-11-08T11:52:53","date_gmt":"2017-11-08T10:52:53","guid":{"rendered":"http:\/\/clases.jesussoto.es\/?p=55"},"modified":"2017-11-08T11:52:53","modified_gmt":"2017-11-08T10:52:53","slug":"alg-criptografia-basada-en-matrices","status":"publish","type":"post","link":"https:\/\/curso17.jesussoto.es\/?p=55","title":{"rendered":"ALG: Criptograf\u00eda basada en matrices"},"content":{"rendered":"<p>Hoy hemos visto c\u00f3mo podemos utilizar las matrices para codificar un mensaje. En 1929, Lester S. Hill public\u00f3 un art\u00edculo en el que ense\u00f1aba a c\u00f3mo utilizar el \u00e1lgebra lineal para construir un sistema criptografico polialfab\u00e9tico que era pr\u00e1ctico para trabajar con mas de tres s\u00edmbolos simultaneamente. Este sistema polialfab\u00e9tico permit\u00eda dar un mismo caracter en un mensaje a enviar que se encripte en dos caracteres distintos en el mensaje encriptado. Este sistema se denomina Criptosistema de Hill y fue el detonante para los modernos sistemas criptogr\u00e1ficos.<\/p>\n<p>Os dejo unos ejemplos de c\u00f3mo funciona:<\/p>\n<ul>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Hill_cipher\">Hill cipher<\/a><\/li>\n<li><a href=\"http:\/\/www.textoscientificos.com\/criptografia\/hill\">Criptosistema Hill<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Hoy hemos visto c\u00f3mo podemos utilizar las matrices para codificar un mensaje. En 1929, Lester S. Hill public\u00f3 un art\u00edculo en el que ense\u00f1aba a c\u00f3mo utilizar el \u00e1lgebra lineal para construir un sistema criptografico polialfab\u00e9tico que era pr\u00e1ctico para trabajar con mas de tres s\u00edmbolos simultaneamente. Este sistema polialfab\u00e9tico permit\u00eda dar un mismo caracter&hellip; <a class=\"more-link\" href=\"https:\/\/curso17.jesussoto.es\/?p=55\">Seguir leyendo <span class=\"screen-reader-text\">ALG: Criptograf\u00eda basada en matrices<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"_links":{"self":[{"href":"https:\/\/curso17.jesussoto.es\/index.php?rest_route=\/wp\/v2\/posts\/55"}],"collection":[{"href":"https:\/\/curso17.jesussoto.es\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/curso17.jesussoto.es\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/curso17.jesussoto.es\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/curso17.jesussoto.es\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=55"}],"version-history":[{"count":1,"href":"https:\/\/curso17.jesussoto.es\/index.php?rest_route=\/wp\/v2\/posts\/55\/revisions"}],"predecessor-version":[{"id":56,"href":"https:\/\/curso17.jesussoto.es\/index.php?rest_route=\/wp\/v2\/posts\/55\/revisions\/56"}],"wp:attachment":[{"href":"https:\/\/curso17.jesussoto.es\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=55"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/curso17.jesussoto.es\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=55"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/curso17.jesussoto.es\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=55"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}