cipher telegraph
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Cipher — For other uses, see Cipher (disambiguation). Edward Larsson s rune cipher resembling that found on the Kensington Runestone. Also includes runically unrelated blackletter writing style and pigpen cipher. In cryptography, a cipher (or cypher) is… … Wikipedia
Telegraph code — A telegraph code is a character encoding used to transmit information through telegraphy machines. The most famous such code is Morse code. Manual telegraph codes Morse code can be transmitted and received with very primitive equipment.It encodes … Wikipedia
U.S. Military Telegraph Corps — U.S. Military Telegraph battery wagon, Army of the Potomac headquarters, Petersburg, Va., June 1864. Facts About U.S. Military Telegraph Corps Years of Existence: 1861 1866 … Wikipedia
Substitution cipher — In cryptography, a substitution cipher is a method of encryption by which units of plaintext are replaced with ciphertext according to a regular system; the units may be single letters (the most common), pairs of letters, triplets of letters,… … Wikipedia
Cryptanalysis of the Lorenz cipher — The Lorenz SZ machines had 12 wheels each with a different number of cams (or pins). Wheel number 1 2 3 4 5 6 7 … Wikipedia
Crossword — For other uses of crossword, see crossword (disambiguation) An American style crossword grid layout A crossword is a word puzzle that normally takes the form of a square or rectangular grid of white and shaded squares. The goal is to fill the… … Wikipedia
Signal Corps in the American Civil War — U.S. Army Signal Corps station on Elk Mountain, Maryland, overlooking the Antietam battlefield. The Signal Corps in the American Civil War comprised two organizations: the U.S. Army Signal Corps, which began with the appointment of Major Albert J … Wikipedia
Gilbert Vernam — Gilbert Sandford Vernam (1890 ndash; 7 February 1960) was a AT T Bell Labs engineer who, in 1917, invented the stream cipher and later co invented the one time pad cipher. Vernam proposed a teletype cipher in which a previously prepared key, kept … Wikipedia
Charles Wheatstone — Wheatstone, drawn by Samuel Laurence in 1868 Born 6 … Wikipedia
cryptology — 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 … Universalium
Baudot code — The Baudot code, invented by Émile Baudot,[1] is a character set predating EBCDIC and ASCII. It was the predecessor to the International Telegraph Alphabet No 2 (ITA2), the teleprinter code in use until the advent of ASCII. Each character in the… … Wikipedia
