{"version":"1.0","provider_name":"TechEdu","provider_url":"https:\/\/techlib.net\/techedu","title":"Cifrado por bloques - Definici\u00f3n y explicaci\u00f3n","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"MSNoxlpwtz\"><a href=\"https:\/\/techlib.net\/techedu\/cifrado-por-bloques\/\">Cifrado por bloques<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/techlib.net\/techedu\/cifrado-por-bloques\/embed\/#?secret=MSNoxlpwtz\" width=\"600\" height=\"338\" title=\"\u00abCifrado por bloques\u00bb \u2014 TechEdu\" data-secret=\"MSNoxlpwtz\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/techlib.net\/techedu\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"Un cifrado por bloques es un cifrado en el que grupos de letras se cifran juntos en bloques de longitud fija. El cifrado por bloques m\u00e1s com\u00fan es el Advanced Encryption Standard (AES). Los cifrados por bloques son seguros contra los ataques de texto plano conocido y de texto plano elegido, pero son vulnerables a ... Leer m\u00e1s"}