{"id":760,"date":"2012-04-14T11:51:20","date_gmt":"2012-04-14T10:51:20","guid":{"rendered":"http:\/\/nosolomates.es\/?page_id=760"},"modified":"2012-04-14T11:51:20","modified_gmt":"2012-04-14T10:51:20","slug":"cifrado-cesar","status":"publish","type":"page","link":"http:\/\/nosolomates.es\/?page_id=760","title":{"rendered":"Cifrado C\u00e9sar"},"content":{"rendered":"<p>Herramienta para cifrar y descifrar textos mediante el m\u00e9todo de cifrado C\u00e9sar.<\/p>\n<p><center><\/p>\n<div id=\"utilidades\"><h7><iframe loading=\"lazy\" src=\"web\/cifradocesar.htm\" width=\"520\" height=\"365\" scrolling=\"auto\" frameborder=\"0\"><\/p>\n<p>Texto alternativo para browsers que no aceptan iframes.<\/p>\n<p>    <\/iframe><\/h7><\/div>\n<p><\/center><br \/>\n<\/p>\n<h1>Explicaci\u00f3n:<\/h1>\n<p><\/p>\n<p>Este m\u00e9todo de cifrado consiste en cambiar cada letra del texto por la que est\u00e9 N lugares m\u00e1s adelante en el abecedario, donde &#8220;N&#8221; solo lo conocen el emisor y el receptor del mensaje. Por ejemplo, el caso sencillo de N=1 ser\u00eda cambiar cada letra por la siguiente del abecedario (la A por la B, la B por la C, la C por la D&#8230; la Z por la A). Si N=6, la A se cambiar\u00eda por la G, la B por la H, etc. Este m\u00e9todo, con N=3, fue el utilizado por Julio C\u00e9sar en sus mensajes, de ah\u00ed que se conozca como cifrado C\u00e9sar.<\/p>\n<p>Aqu\u00ed ten\u00e9is un peque\u00f1o Flash en el que pod\u00e9is ver las equivalencias para cada valor de N:<\/p>\n<div align=\"center\"><object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http:\/\/download.macromedia.com\/pub\/shockwave\/cabs\/flash\/swflash.cab#version=4,0,2,0\" width=\"550\" height=\"100\"><param name=movie value=\"cesar.swf\"><param name=quality value=high><\/object> <\/div>\n<p>\nVamos con el ejemplo. Ciframos el texto &#8220;NOSOLOMATES&#8221; con N=10. A la N le corresponde la X, a la O la Y, a la S la C&#8230; y obtenemos:<br \/>\n<center><\/p>\n<p style=\"font-size:1.5em;\">XYCYVYWKDOC<\/p>\n<p><\/center><\/p>\n<p>Un caso particular de este m\u00e9todo es el correspondiente a N=13, que se conoce como <a href=\"?page_id=758\" target=\"_blank\">ROT-13<\/a>, y se usa actualmente en los foros de Usenet.<\/p>\n<div><\/br>&nbsp;<\/div>\n<div class=\"sharedaddy sd-sharing-enabled\"><div class=\"robots-nocontent sd-block sd-social sd-social-official sd-sharing\"><div class=\"sd-content\"><ul><li class=\"share-facebook\"><div class=\"fb-share-button\" data-href=\"http:\/\/nosolomates.es\/?page_id=760\" data-layout=\"button_count\"><\/div><\/li><li class=\"share-twitter\"><a href=\"https:\/\/twitter.com\/share\" class=\"twitter-share-button\" data-url=\"http:\/\/nosolomates.es\/?page_id=760\" data-text=\"Cifrado C\u00e9sar\"  >Tweet<\/a><\/li><li class=\"share-linkedin\"><div class=\"linkedin_button\"><script type=\"in\/share\" data-url=\"http:\/\/nosolomates.es\/?page_id=760\" data-counter=\"right\"><\/script><\/div><\/li><li class=\"share-pinterest\"><div class=\"pinterest_button\"><a href=\"https:\/\/www.pinterest.com\/pin\/create\/button\/?url=http%3A%2F%2Fnosolomates.es%2F%3Fpage_id%3D760&#038;media=http%3A%2F%2F0.gravatar.com%2Favatar%2Fc9ba1828908559b850337a4baa073367%3Fs%3D96%26d%3Dmm%26r%3Dg&#038;description=Cifrado%20C%C3%A9sar\" data-pin-do=\"buttonPin\" data-pin-config=\"beside\"><img src=\"\/\/assets.pinterest.com\/images\/pidgets\/pinit_fg_en_rect_gray_20.png\" \/><\/a><\/div><\/li><li class=\"share-end\"><\/li><\/ul><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Herramienta para cifrar y descifrar textos mediante el m\u00e9todo de cifrado C\u00e9sar. Texto alternativo para browsers que no aceptan iframes. Explicaci\u00f3n: Este m\u00e9todo de cifrado consiste en cambiar cada letra del texto por la que est\u00e9 N lugares m\u00e1s adelante &hellip; <a href=\"http:\/\/nosolomates.es\/?page_id=760\">Sigue leyendo <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-official sd-sharing\"><div class=\"sd-content\"><ul><li class=\"share-facebook\"><div class=\"fb-share-button\" data-href=\"http:\/\/nosolomates.es\/?page_id=760\" data-layout=\"button_count\"><\/div><\/li><li class=\"share-twitter\"><a href=\"https:\/\/twitter.com\/share\" class=\"twitter-share-button\" data-url=\"http:\/\/nosolomates.es\/?page_id=760\" data-text=\"Cifrado C\u00e9sar\"  >Tweet<\/a><\/li><li class=\"share-linkedin\"><div class=\"linkedin_button\"><script type=\"in\/share\" data-url=\"http:\/\/nosolomates.es\/?page_id=760\" data-counter=\"right\"><\/script><\/div><\/li><li class=\"share-pinterest\"><div class=\"pinterest_button\"><a href=\"https:\/\/www.pinterest.com\/pin\/create\/button\/?url=http%3A%2F%2Fnosolomates.es%2F%3Fpage_id%3D760&#038;media=http%3A%2F%2F0.gravatar.com%2Favatar%2Fc9ba1828908559b850337a4baa073367%3Fs%3D96%26d%3Dmm%26r%3Dg&#038;description=Cifrado%20C%C3%A9sar\" data-pin-do=\"buttonPin\" data-pin-config=\"beside\"><img src=\"\/\/assets.pinterest.com\/images\/pidgets\/pinit_fg_en_rect_gray_20.png\" \/><\/a><\/div><\/li><li class=\"share-end\"><\/li><\/ul><\/div><\/div><\/div>","protected":false},"author":1,"featured_media":0,"parent":754,"menu_order":3,"comment_status":"open","ping_status":"open","template":"","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"jetpack_shortlink":"https:\/\/wp.me\/P9BfV-cg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/nosolomates.es\/index.php?rest_route=\/wp\/v2\/pages\/760"}],"collection":[{"href":"http:\/\/nosolomates.es\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/nosolomates.es\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/nosolomates.es\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/nosolomates.es\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=760"}],"version-history":[{"count":1,"href":"http:\/\/nosolomates.es\/index.php?rest_route=\/wp\/v2\/pages\/760\/revisions"}],"predecessor-version":[{"id":761,"href":"http:\/\/nosolomates.es\/index.php?rest_route=\/wp\/v2\/pages\/760\/revisions\/761"}],"up":[{"embeddable":true,"href":"http:\/\/nosolomates.es\/index.php?rest_route=\/wp\/v2\/pages\/754"}],"wp:attachment":[{"href":"http:\/\/nosolomates.es\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=760"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}