corresponding+cipher
11Transposition cipher — In cryptography, a transposition cipher is a method of encryption by which the positions held by units of plaintext (which are commonly characters or groups of characters) are shifted according to a regular system, so that the ciphertext… …
12Dorabella Cipher — The text of the Dorabella Cipher, in Elgar s handwriting The Dorabella Cipher is an enciphered letter written by Edward Elgar to Miss Dora Penny, which was accompanied by another dated July 14, 1897. Penny was never able to decipher it and its… …
13Alberti cipher — The Alberti Cipher was one of the first polyalphabetic ciphers. Leon Battista Alberti Created in the 15th century (1466/67) by Leon Battista Alberti, it was the peak of cryptography at that time.Its inventor was Leon Battista Alberti, an… …
14Lucifer (cipher) — In cryptography, Lucifer was the name given to several of the earliest civilian block ciphers, developed by Horst Feistel and his colleagues at IBM. Lucifer was a direct precursor to the Data Encryption Standard. One version, alternatively named… …
15Beaufort cipher — The Beaufort cipher, created by Sir Francis Beaufort, is a substitution cipher that is similar to the Vigenère cipher but uses a slightly modified enciphering mechanism and tableau.Using the cypherTo encrypt (or decrypt for that matter), first… …
16Solitaire (cipher) — The Solitaire cryptographic algorithm was designed by Bruce Schneier to allow field agents to communicate securely without having to rely on electronics or having to carry incriminating tools , [cite web | url =… …
17check — I. n. 1. Restraint, curb, bridle, hindrance, stop, obstacle, impediment, obstruction, bar, barrier, damper, interference, rebuff, repression, control. 2. Counter, register, corresponding indenture, corresponding cipher. 3. Mark, symbol, sign. 4.… …
18Codebook — Cipher for Telegraphic Correspondence a code book used by Union General Joseph Hooker’s code clerk A codebook is a type of document used for gathering and storing codes. Originally codebooks were often literally books, but today codebook is a… …
19cryptology — cryptologist, n. cryptologic /krip tl oj ik/, cryptological, adj. /krip tol euh jee/, n. 1. cryptography. 2. the science and study of cryptanalysis and cryptography. [1635 45; < NL cryptologia. See CRYPTO , LOGY] * * * Introduction …
20Cryptanalysis of the Enigma — enabled the western Allies in World War II to read substantial amounts of secret Morse coded radio communications of the Axis powers that had been enciphered using Enigma machines. This yielded military intelligence which, along with that from… …
