{"id":2119,"date":"2025-12-10T11:05:54","date_gmt":"2025-12-10T14:05:54","guid":{"rendered":"https:\/\/hackerrangers.siteup.dev\/?p=2119"},"modified":"2025-12-10T11:05:54","modified_gmt":"2025-12-10T14:05:54","slug":"cryptography-what-is-it-and-how-to-use-it","status":"publish","type":"post","link":"https:\/\/hackerrangers.siteup.dev\/es\/cybersecurity\/cryptography-what-is-it-and-how-to-use-it\/","title":{"rendered":"\u00bfQu\u00e9 es el cifrado? Conoce su historia y aprende a usarlo en tu rutina diaria"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">\u00bfQu\u00e9 es lo primero que piensas al escuchar o leer la palabra \u201ccifrado\u201d? Quienes no tienen mucha familiaridad con el concepto, seguro que imaginan algo sumamente complejo y tecnol\u00f3gico, algo basado en c\u00e1lculos matem\u00e1ticos casi incomprensibles y que sirve para volver la vida digital m\u00e1s segura. Lo que poca gente sabe es que ese arte es mucho m\u00e1s antiguo que la seguridad cibern\u00e9tica; de hecho, naci\u00f3 much\u00edsimo antes que la computaci\u00f3n misma: \u00a1sus primeros usos, registrados en Egipto, datan de la d\u00e9cada de 1900 a.C.!<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Para explicar el concepto hist\u00f3rico, nos centraremos en el ejemplo m\u00e1s cl\u00e1sico del cifrado: el cifrado C\u00e9sar, inventado durante el Imperio Romano (27 a.C. a 476 d.C.) y cuyo nombre rinde homenaje al emperador Julio C\u00e9sar. Comparado con los cifrados actuales, era bastante simple y arcaico: para encriptar un texto, basta con reemplazar una letra del alfabeto por otra siguiendo un n\u00famero espec\u00edfico de cambio. As\u00ed, al cifrar un texto con tres \u201csaltos\u201d hacia delante, la palabra \u201casa\u201d se volver\u00eda \u201cdvd\u201d, por ejemplo.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Durante siglos, el cifrado se utiliz\u00f3 con un solo prop\u00f3sito: proteger informaci\u00f3n y comunicaciones militares de forma tal que los enemigos no pudieran entender \u00f3rdenes o estrategias si interceptaran alg\u00fan mensaje. Otro ejemplo cl\u00e1sico de cifrado militar es la M\u00e1quina de Turing, creada por el brit\u00e1nico Alan Turing para descifrar las comunicaciones cifradas de las tropas alemanas durante la Segunda Guerra Mundial. Su invento fue considerado crucial para la derrota del Partido Nazi.<\/span><\/p>\n<h2><b>\u00a1Ya lo usas sin saberlo!<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">En definitiva, es sencillo explicar qu\u00e9 es el cifrado: se trata del arte de volver una informaci\u00f3n ilegible para terceros, \u201cembarajando\u201d los caracteres de un texto para que las personas que no deben tener acceso a \u00e9l no lo puedan interceptar. Nada m\u00e1s l\u00f3gico de que, con el advenimiento de la computaci\u00f3n personal y profesional y con el consiguiente surgimiento de las amenazas cibern\u00e9ticas y la necesidad de proteger informaci\u00f3n digital, esa t\u00e9cnica se haya perfeccionado y se haya vuelto omnipresente en el mundo digital.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Hoy en d\u00eda, por ejemplo, \u00a1usas el cifrado cada vez que entras a un sitio web! De hecho, todas las p\u00e1ginas confiables usan el protocolo Hypertext Transfer Protocol Secure (HTTPS), que emplea un certificado Transport Layer Security o Secure Sockets Layer (TLS\/SSL) para crear una especie de \u201ct\u00fanel\u201d seguro para permitir una comunicaci\u00f3n protegida entre tu dispositivo y el servidor final. Se trata de algo tan b\u00e1sico que los navegadores modernos llegan a impedir que entres a un sitio que no disponga de un certificado digital.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Avanzando un poco m\u00e1s, tambi\u00e9n tenemos cifrado basado en hardwares (como los chips criptogr\u00e1ficos presentes en algunos modelos de smartphones y laptops), sistemas bancarios (incluyendo tarjetas de cr\u00e9dito) y as\u00ed sucesivamente. No podr\u00edamos olvidar las criptomonedas: hay una comunidad entera entusiasta de la criptomoneda que cambia, vende y compra tokens registrados en redes <a href=\"https:\/\/hackerrangers.siteup.dev\/es\/cybersecurity\/learn-about-blockchain-scams-and-frauds\/\">blockchain<\/a> , una tecnolog\u00eda 100% basada en el cifrado.<\/span><\/p>\n<h2><b>Reforzando tu seguridad<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Aunque el cifrado ya forme parte de muchos hardwares y softwares que usamos a diario, es importante resaltar que podemos perfectamente adoptar m\u00e9todos avanzados para usarla si queremos reforzar nuestra seguridad digital. Un buen ejemplo de esa pr\u00e1ctica es usar una red virtual privada (virtual private network o VPN), que agrega una capa extra de protecci\u00f3n en tu tr\u00e1fico de datos y, adem\u00e1s, es capaz de enmascarar tu direcci\u00f3n IP, haci\u00e9ndote an\u00f3nimo en la web.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A fin de cuentas, el cifrado no es ning\u00fan reto insuperable. Con un poco de estudio, es f\u00e1cil \u2014\u00a1y recomendable!\u2014 hacer el mejor uso posible del cifrado para garantizar la seguridad de tus archivos y datos.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>What is the first thing you think of when you hear or read the word &#8220;cryptography&#8221;? Those somewhat unfamiliar with the concept certainly imagine something extremely complex and technological, employing almost incomprehensible mathematical calculations to make life online safer. What few people know is that this craft is much older than cybersecurity \u2013 in fact, [&hellip;]<\/p>\n","protected":false},"author":4009,"featured_media":2121,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2119","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cybersecurity"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cryptography: the history, what it is, and how to use it | Hacker Rangers<\/title>\n<meta name=\"description\" content=\"Discover how cryptography evolved from ancient ciphers to modern cybersecurity and learn simple ways to use encryption.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, 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