{"id":1285,"date":"2011-07-27T00:44:44","date_gmt":"2011-07-27T03:44:44","guid":{"rendered":"https:\/\/www.kwell.net\/kwell_blog\/?p=1285"},"modified":"2011-07-25T18:45:02","modified_gmt":"2011-07-25T21:45:02","slug":"criptografia-en-el-2004-y-ahora","status":"publish","type":"post","link":"https:\/\/www.kwell.net\/kwell_blog\/?p=1285","title":{"rendered":"Criptograf\u00eda en el 2004 y ahora?"},"content":{"rendered":"<p>Adjuntamos un art\u00edculo que escribimos para fines del 2004 donde cont\u00e1bamos algunas precisiones sobre criptograf\u00eda, la mayor\u00eda de las cuales siguen siendo reales y v\u00e1lidas.<\/p>\n<p>Pero han pasado casi 7 a\u00f1os de ese art\u00edculo y all\u00ed qu\u00e9 dec\u00edamos o recomend\u00e1bamos (si quieren lean el art\u00edculo completo), pero para los m\u00e1s vagos: &#8220;&#8230;<strong> las transacciones comerciales mediante SSL requieren si o si claves de 128 bits para poder afirmar que estamos \u201cseguros\u201d y que en el ambiente de Infraestructuras de Clave P\u00fablica (PKI ) , no se puede bajar casi en todos los casos de claves de 1024, que ya se han convert ido en un est\u00e1ndar&#8230;&#8221;.<\/strong><\/p>\n<p>Hoy d\u00f3nde estamos, en certificados SSL de 256 bits y llaves de 2048. Bah para los que los usamos, ya que la realidad es que siete a\u00f1os despu\u00e9s lo que han crecido son el tama\u00f1o de las claves, pero no de la comprensi\u00f3n en la necesidad de usarlas. Qu\u00e9 tenemos que hacer o qu\u00e9 tiene que pasar para que se entienda y se use?<\/p>\n<p><a href=\"https:\/\/www.kwell.net\/kwell_blog\/wp-content\/uploads\/2011\/07\/algunas-precisiones-sobre-criptografia.pdf\">algunas precisiones sobre criptografia<\/a><\/p>\n<div class=\"sharedaddy sd-sharing-enabled\"><div class=\"robots-nocontent sd-block sd-social sd-social-icon-text sd-sharing\"><h3 class=\"sd-title\">Comparte esto:<\/h3><div class=\"sd-content\"><ul><li class=\"share-facebook\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-facebook-1285\" class=\"share-facebook sd-button share-icon\" href=\"https:\/\/www.kwell.net\/kwell_blog\/?p=1285&amp;share=facebook\" target=\"_blank\" title=\"Haz clic para compartir en Facebook\" ><span>Facebook<\/span><\/a><\/li><li class=\"share-twitter\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-twitter-1285\" class=\"share-twitter sd-button share-icon\" href=\"https:\/\/www.kwell.net\/kwell_blog\/?p=1285&amp;share=twitter\" target=\"_blank\" title=\"Haz clic para compartir en Twitter\" ><span>Twitter<\/span><\/a><\/li><li class=\"share-email\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-email sd-button share-icon\" href=\"mailto:?subject=%5BEntrada%20compartida%5D%20Criptograf%C3%ADa%20en%20el%202004%20y%20ahora%3F&body=https%3A%2F%2Fwww.kwell.net%2Fkwell_blog%2F%3Fp%3D1285&share=email\" target=\"_blank\" title=\"Haz clic para enviar un enlace por correo electr\u00f3nico a un amigo\" data-email-share-error-title=\"\u00bfTienes un correo electr\u00f3nico configurado?\" data-email-share-error-text=\"Si tienes problemas al compartir por correo electr\u00f3nico, es posible que sea porque no tengas un correo electr\u00f3nico configurado en tu navegador. Puede que tengas que crear un nuevo correo electr\u00f3nico t\u00fa mismo.\" data-email-share-nonce=\"c2d0465f76\" data-email-share-track-url=\"https:\/\/www.kwell.net\/kwell_blog\/?p=1285&amp;share=email\"><span>Correo electr\u00f3nico<\/span><\/a><\/li><li class=\"share-jetpack-whatsapp\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-jetpack-whatsapp sd-button share-icon\" href=\"https:\/\/www.kwell.net\/kwell_blog\/?p=1285&amp;share=jetpack-whatsapp\" target=\"_blank\" title=\"Haz clic para compartir en WhatsApp\" ><span>WhatsApp<\/span><\/a><\/li><li class=\"share-skype\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-skype-1285\" class=\"share-skype sd-button share-icon\" href=\"https:\/\/www.kwell.net\/kwell_blog\/?p=1285&amp;share=skype\" target=\"_blank\" title=\"Haz clic para compartir en Skype\" ><span>Skype<\/span><\/a><\/li><li class=\"share-print\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-print sd-button share-icon\" href=\"https:\/\/www.kwell.net\/kwell_blog\/?p=1285\" target=\"_blank\" title=\"Haz clic para imprimir\" ><span>Imprimir<\/span><\/a><\/li><li class=\"share-linkedin\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-linkedin-1285\" class=\"share-linkedin sd-button share-icon\" href=\"https:\/\/www.kwell.net\/kwell_blog\/?p=1285&amp;share=linkedin\" target=\"_blank\" title=\"Haz clic para compartir en LinkedIn\" ><span>LinkedIn<\/span><\/a><\/li><li class=\"share-end\"><\/li><\/ul><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Adjuntamos un art\u00edculo que escribimos para fines del 2004 donde cont\u00e1bamos algunas precisiones sobre criptograf\u00eda, la mayor\u00eda de las cuales siguen siendo reales y v\u00e1lidas. Pero han pasado casi 7 a\u00f1os de ese art\u00edculo y all\u00ed qu\u00e9 dec\u00edamos o recomend\u00e1bamos (si quieren lean el art\u00edculo completo), pero para los m\u00e1s vagos: &#8220;&#8230; las transacciones comerciales &hellip;<br \/><a href=\"https:\/\/www.kwell.net\/kwell_blog\/?p=1285\">Read more <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n<div class=\"sharedaddy sd-sharing-enabled\"><div class=\"robots-nocontent sd-block sd-social sd-social-icon-text sd-sharing\"><h3 class=\"sd-title\">Comparte esto:<\/h3><div class=\"sd-content\"><ul><li class=\"share-facebook\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-facebook-1285\" class=\"share-facebook sd-button share-icon\" href=\"https:\/\/www.kwell.net\/kwell_blog\/?p=1285&amp;share=facebook\" target=\"_blank\" title=\"Haz clic para compartir en Facebook\" ><span>Facebook<\/span><\/a><\/li><li class=\"share-twitter\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-twitter-1285\" class=\"share-twitter sd-button share-icon\" href=\"https:\/\/www.kwell.net\/kwell_blog\/?p=1285&amp;share=twitter\" target=\"_blank\" title=\"Haz clic para compartir en Twitter\" ><span>Twitter<\/span><\/a><\/li><li class=\"share-email\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-email sd-button share-icon\" href=\"mailto:?subject=%5BEntrada%20compartida%5D%20Criptograf%C3%ADa%20en%20el%202004%20y%20ahora%3F&body=https%3A%2F%2Fwww.kwell.net%2Fkwell_blog%2F%3Fp%3D1285&share=email\" target=\"_blank\" title=\"Haz clic para enviar un enlace por correo electr\u00f3nico a un amigo\" data-email-share-error-title=\"\u00bfTienes un correo electr\u00f3nico configurado?\" data-email-share-error-text=\"Si tienes problemas al compartir por correo electr\u00f3nico, es posible que sea porque no tengas un correo electr\u00f3nico configurado en tu navegador. Puede que tengas que crear un nuevo correo electr\u00f3nico t\u00fa mismo.\" data-email-share-nonce=\"c2d0465f76\" data-email-share-track-url=\"https:\/\/www.kwell.net\/kwell_blog\/?p=1285&amp;share=email\"><span>Correo electr\u00f3nico<\/span><\/a><\/li><li class=\"share-jetpack-whatsapp\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-jetpack-whatsapp sd-button share-icon\" href=\"https:\/\/www.kwell.net\/kwell_blog\/?p=1285&amp;share=jetpack-whatsapp\" target=\"_blank\" title=\"Haz clic para compartir en WhatsApp\" ><span>WhatsApp<\/span><\/a><\/li><li class=\"share-skype\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-skype-1285\" class=\"share-skype sd-button share-icon\" href=\"https:\/\/www.kwell.net\/kwell_blog\/?p=1285&amp;share=skype\" target=\"_blank\" title=\"Haz clic para compartir en Skype\" ><span>Skype<\/span><\/a><\/li><li class=\"share-print\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-print sd-button share-icon\" href=\"https:\/\/www.kwell.net\/kwell_blog\/?p=1285\" target=\"_blank\" title=\"Haz clic para imprimir\" ><span>Imprimir<\/span><\/a><\/li><li class=\"share-linkedin\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-linkedin-1285\" class=\"share-linkedin sd-button share-icon\" href=\"https:\/\/www.kwell.net\/kwell_blog\/?p=1285&amp;share=linkedin\" target=\"_blank\" title=\"Haz clic para compartir en LinkedIn\" ><span>LinkedIn<\/span><\/a><\/li><li class=\"share-end\"><\/li><\/ul><\/div><\/div><\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[80,85],"tags":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.kwell.net\/kwell_blog\/index.php?rest_route=\/wp\/v2\/posts\/1285"}],"collection":[{"href":"https:\/\/www.kwell.net\/kwell_blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kwell.net\/kwell_blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kwell.net\/kwell_blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kwell.net\/kwell_blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1285"}],"version-history":[{"count":2,"href":"https:\/\/www.kwell.net\/kwell_blog\/index.php?rest_route=\/wp\/v2\/posts\/1285\/revisions"}],"predecessor-version":[{"id":1288,"href":"https:\/\/www.kwell.net\/kwell_blog\/index.php?rest_route=\/wp\/v2\/posts\/1285\/revisions\/1288"}],"wp:attachment":[{"href":"https:\/\/www.kwell.net\/kwell_blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1285"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kwell.net\/kwell_blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1285"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kwell.net\/kwell_blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1285"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}