simple substitution cipher
1Substitution 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,… …
2Cipher — 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… …
3Cipher disk — The Union Cipher Disk from the American Civil War was 3.75 inches (95 mm) in diameter and made of light yellow heavy card stock. It consisted of two concentric disks of unequal size revolving on a central pivot. The disks were divided along their …
4Cipher Manuscripts — Main article: Hermetic Order of the Golden Dawn The Cipher Manuscripts are a collection of 60 folios containing the structural outline of a series of magical initiation rituals corresponding to the spiritual elements of Earth, Air, Water and Fire …
5Caesar cipher — The action of a Caesar cipher is to replace each plaintext letter with one fixed number of places down the alphabet. This example is with a shift of three, so that a B in the p …
6Transposition 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… …
7Playfair cipher — The Playfair cipher or Playfair square is a manual symmetric encryption technique and was the first literal digraph substitution cipher. The scheme was invented in 1854 by Charles Wheatstone, but bears the name of Lord Playfair who promoted the… …
8Pigpen cipher — The pigpen cipher uses graphical symbols assigned according to a key similar to the above diagram.[1] The pigpen cipher (sometimes referred to as the masonic cipher, Freemason s cipher, Rosicrucian cipher, or Tic tac toe cipher) …
9Dorabella 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… …
10cipher — cipherable, adj. cipherer, n. /suy feuhr/, n. 1. zero. 2. any of the Arabic numerals or figures. 3. Arabic numerical notation collectively. 4. something of no value or importance. 5. a person of no influence; nonentity. 6. a secret method of… …
