🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiSvenskaTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ1343482· pop 14· linked from 388 articlesLuciferearliest civilian block ciphersAvailable in 14 languagesFrançaisDeutsch日本語РусскийItalianoCatalanHebrewNederlandsPolskiTürkçeUkrainianConnectionsIBMEntityencryptionEntityCategoriesBlock ciphersBroken block ciphersData Encryption StandardFeistel ciphers