{"id":5005,"date":"2026-06-01T12:04:00","date_gmt":"2026-06-01T10:04:00","guid":{"rendered":"https:\/\/www.digitalnisebeobrana.cz\/?post_type=glossary&p=5005"},"modified":"2026-06-01T12:04:00","modified_gmt":"2026-06-01T10:04:00","slug":"des","status":"publish","type":"glossary","link":"https:\/\/www.digitalnisebeobrana.cz\/en\/glossary\/des\/","title":{"rendered":"DES"},"content":{"rendered":"

DES means Data Encryption Standard. It was an important encryption standard from the second half of the 20th century. Today it is considered obsolete because of its short key, but historically it matters because of debates about how much the NSA influenced cryptographic standards.<\/p>\n","protected":false},"excerpt":{"rendered":"

An older symmetric encryption standard that became central to debates about government influence on cryptography.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"template":"","glossary-cat":[],"class_list":["post-5005","glossary","type-glossary","status-publish","hentry"],"translation":{"provider":"WPGlobus","version":"3.0.5","language":"en","enabled_languages":["cs","en"],"languages":{"cs":{"title":true,"content":true,"excerpt":true},"en":{"title":true,"content":true,"excerpt":true}}},"yoast_head":"\nDES - DIGITAL SELF-DEFENSE<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.digitalnisebeobrana.cz\/glossary\/des\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DES - DIGITAL SELF-DEFENSE\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.digitalnisebeobrana.cz\/glossary\/des\/\" \/>\n<meta property=\"og:site_name\" content=\"DIGITAL SELF-DEFENSE\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/digitalnisebeobrana\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@sodomak\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/glossary\\\/des\\\/\",\"url\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/glossary\\\/des\\\/\",\"name\":\"DES - DIGITAL SELF-DEFENSE\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/en\\\/#website\"},\"datePublished\":\"2026-06-01T10:04:00+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/glossary\\\/des\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/glossary\\\/des\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/glossary\\\/des\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Glossary\",\"item\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/glossary\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"DES\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/en\\\/\",\"name\":\"DIGITAL SELF-DEFENSE\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/en\\\/#\\\/schema\\\/person\\\/e932432719ebfc02a9b05e7b12047736\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/en\\\/#\\\/schema\\\/person\\\/e932432719ebfc02a9b05e7b12047736\",\"name\":\"Milan\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/wp-content\\\/uploads\\\/2022\\\/01\\\/logo.png\",\"url\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/wp-content\\\/uploads\\\/2022\\\/01\\\/logo.png\",\"contentUrl\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/wp-content\\\/uploads\\\/2022\\\/01\\\/logo.png\",\"width\":613,\"height\":73,\"caption\":\"Milan\"},\"logo\":{\"@id\":\"https:\\\/\\\/www.digitalnisebeobrana.cz\\\/wp-content\\\/uploads\\\/2022\\\/01\\\/logo.png\"},\"description\":\"Jmenuji se Milan P\u016flkr\u00e1bek, pamatuji si po\u010d\u00edta\u010de bez internetu, Internet bez Google a mobiln\u00ed komunikaci bez \u0161ifrov\u00e1n\u00ed. 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