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  2. Atbash - Wikipedia

    en.wikipedia.org/wiki/Atbash

    Atbash (Hebrew: אתבש; also transliterated Atbaš) is a monoalphabetic substitution cipher originally used to encrypt the Hebrew alphabet. It can be modified for use with any known writing system with a standard collating order .

  3. Timeline of cryptography - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_cryptography

    This is a specialized machine for cipher-breaking, not a general-purpose calculator or computer. December 1943 – The Colossus computer was built, by Thomas Flowers at The Post Office Research Laboratories in London, to crack the German Lorenz cipher (SZ42). Colossus was used at Bletchley Park during World War II – as a successor to April's ...

  4. Category:Classical ciphers - Wikipedia

    en.wikipedia.org/wiki/Category:Classical_ciphers

    Download QR code; Print/export Download as PDF; Printable version; In other projects Wikimedia Commons; ... Atbash; Autokey cipher; B. Bacon's cipher; Beaufort cipher;

  5. Substitution cipher - Wikipedia

    en.wikipedia.org/wiki/Substitution_cipher

    The cipher alphabet may be shifted or reversed (creating the Caesar and Atbash ciphers, respectively) or scrambled in a more complex fashion, in which case it is called a mixed alphabet or deranged alphabet. Traditionally, mixed alphabets may be created by first writing out a keyword, removing repeated letters in it, then writing all the ...

  6. ROT13 - Wikipedia

    en.wikipedia.org/wiki/ROT13

    ROT13 is a special case of the Caesar cipher which was developed in ancient Rome, used by Julius Caesar in the 1st century BC. [1] An early entry on the Timeline of cryptography . ROT13 can be referred by "Rotate13", "rotate by 13 places", hyphenated "ROT-13" or sometimes by its autonym "EBG13".

  7. Sheshach - Wikipedia

    en.wikipedia.org/wiki/Sheshach

    Sheshach (Hebrew: ששך), whose king is mentioned in the Hebrew Bible in Jeremiah 25:26, is supposed to be equivalent to Babel (), according to a secret mode of writing practiced among the Jews of unknown antiquity, which consisted in substituting the last letter of the Hebrew alphabet for the first, the next to last one for the second, and so on.

  8. AOL Mail - AOL Help

    help.aol.com/products/aol-webmail

    Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

  9. Outline of cryptography - Wikipedia

    en.wikipedia.org/wiki/Outline_of_cryptography

    Kuznyechik – Russian 128-bit block cipher, defined in GOST R 34.12-2015 and RFC 7801. LION – block cypher built from stream cypher and hash function, by Ross Anderson; LOKI89/91 – 64-bit block ciphers; LOKI97 – 128-bit block cipher, AES candidate; Lucifer – by Tuchman et al. of IBM, early 1970s; modified by NSA/NBS and released as DES