a transposition cipher (also known as a permutation cipher) is a method of encryption which scrambles the positions of characters (transposition) without...

The rail fence cipher (also called a zigzag cipher) is a classical type of transposition cipher. It derives its name from the manner in which encryption...

one of three categories of cipher used in classical cryptography along with substitution ciphers and transposition ciphers. In classical cryptography...

Classical ciphers are often divided into transposition ciphers and substitution ciphers, but there are also concealment ciphers. In a substitution cipher, letters...

"Secret Cipher of the Radio Operators 1918" (Geheimschrift der Funker 1918, in short GedeFu 18), the cipher was a fractionating transposition cipher which...

ciphers used in the past are sometimes known as classical ciphers. They include simple substitution ciphers (such as ROT13) and transposition ciphers...

the original message. Substitution ciphers can be compared with transposition ciphers. In a transposition cipher, the units of the plaintext are rearranged...

Look up transposition in Wiktionary, the free dictionary. Transposition may refer to: Transposition (mathematics), a permutation which exchanges two elements...

disrupted double transposition. Until the discovery of VIC, it was generally thought that a double transposition alone was the most complex cipher an agent,...

The Vigenère cipher (French pronunciation: [viʒnɛːʁ]) is a method of encrypting alphabetic text where each letter of the plaintext is encoded with a different...

In classical cryptography, the bifid cipher is a cipher which combines the Polybius square with transposition, and uses fractionation to achieve diffusion...

cylinder", also σκύταλον skútalon) is a tool used to perform a transposition cipher, consisting of a cylinder with a strip of parchment wound around...

In cryptography, a Caesar cipher, also known as Caesar's cipher, the shift cipher, Caesar's code, or Caesar shift, is one of the simplest and most widely...

discussion of the substitution and transposition of ciphers, as well as the first description of a polyalphabetic cipher, in which each plaintext letter...

fractionating transposition cipher based on a substitution table of 100 groups of two figures each followed by a columnar transposition. By November 1942...

substitution cipher: the unit of substitution is a sequence of two or more letters rather than just one (e.g., Playfair cipher) Transposition cipher: the ciphertext...

and secure computation, among others. The main classical cipher types are transposition ciphers, which rearrange the order of letters in a message (e.g...

reversible. It appears to have been a transposition tool that produced something much like the Rail fence cipher and resembled a chess board. Cardano is...

Although ciphers can be confusion-only (substitution cipher, one-time pad) or diffusion-only (transposition cipher), any "reasonable" block cipher uses both...

used as a key for a transposition cipher to conceal the plaintext of the message. The cipher used was often double transposition. To indicate to the receiver...

each pair of letters twice are considered weaker than the double transposition cipher. ... by the middle of 1915, the Germans had completely broken down...

a transposition cipher that are of the same length and have been enciphered on the same key; (c) two or more messages in a machine or similar cipher that...

against unauthorised attempts to read it). It was based on a form of repeated-key transposition. Books on cryptography Transposition cipher v t e v t e...

in a 5 x 5 square A comb-transposition (German: Kammwürfel) A book key (German: Heftschlüssel) A double Transposition cipher (German: Doppelwürfel) 4-S-40...

pigpen cipher (alternatively referred to as the masonic cipher, Freemason's cipher, Rosicrucian cipher, Napoleon cipher, and tic-tac-toe cipher) is a geometric...

trifid cipher is a classical cipher invented by Félix Delastelle and described in 1902. Extending the principles of Delastelle's earlier bifid cipher, it...

The affine cipher is a type of monoalphabetic substitution cipher, where each letter in an alphabet is mapped to its numeric equivalent, encrypted using...

Jefferson abandoned the idea after receiving a description of columnar transposition cipher from Robert Patterson in 1803, which he found more practical. In...

Scytale may refer to: Scytale, an encryption tool used to perform a transposition cipher. Scytale (Dune), a fictional character in the Dune universe created...

Hill cipher is a polygraphic substitution cipher based on linear algebra. Invented by Lester S. Hill in 1929, it was the first polygraphic cipher in which...