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

Vigenère (5 April 1523 – 19 February 1596) (French pronunciation: [viʒnɛːʁ]) was a French diplomat, cryptographer, translator and alchemist. Vigenère...

The Beaufort cipher, created by Sir Francis Beaufort, is a substitution cipher similar to the Vigenère cipher, with a slightly modified enciphering mechanism...

ciphers, including the Vigenère cipher and Blaise de Vigenère's less well-known autokey cipher. All polyalphabetic ciphers based on the Caesar cipher...

Vigenère except that only 10 alphabets are used, and so the "keyword" is numerical. The Beaufort cipher. This is practically the same as the Vigenère...

Vigenère may refer to: Blaise de Vigenère, a 16th-century French cryptographer The Vigenère cipher, a cipher whose invention was later misattributed to...

polyalphabetic cipher is a substitution, using multiple substitution alphabets. The Vigenère cipher is probably the best-known example of a polyalphabetic cipher, though...

encryption step performed by a Caesar cipher is often incorporated as part of more complex schemes, such as the Vigenère cipher, and still has modern application...

in the keystream. This cipher was invented in 1586 by Blaise de Vigenère with a reciprocal table of ten alphabets. Vigenère's version used an agreed-upon...

The Vigenère cipher is named after Blaise de Vigenère, although Giovan Battista Bellaso had invented it before Vigenère described his autokey cipher. Bellaso...

method) is a method of attacking polyalphabetic substitution ciphers, such as the Vigenère cipher. It was first published by Friedrich Kasiski in 1863, but...

figure out both cipher alphabets. Another example of a polyalphabetic substitution cipher that is much more difficult to decode is the Vigenère square, an...

as in the simple substitution cipher and rather more complex Vigenère cipher systems then in use. The Playfair cipher is thus significantly harder to...

to do with Affine Shifts, Keyword shifts, Caesar shift or Vigenère ciphers. Caesar’s cipher is a simple substitution based on the sliding of a single...

automatic cipher device, a wheel that implemented a partial realization of his invention. In the Vigenère cipher, a polyalphabetic cipher, encryption...

polyalphabetic ciphers he devised during that period and used to write letters to his friends. It describes what is known as a Vigenère cipher, a well-known...

with the Caesar cipher, the Affine cipher, the Keyword cipher, the Transposition cipher, the Vigenère cipher and the 2x2 Hill cipher. The part B challenges...

that would become known in the 19th century as the Vigenère cipher, misattributed to Blaise de Vigenère. In Europe, cryptography became (secretly) more important...

substitution cipher was developed, among others by the French diplomat Blaise de Vigenère (1523–96). For some three centuries, the Vigenère cipher, which uses...

very straightforward 'Porta-style' music cipher (1670). Similar to a Vigenère cipher, a single-letter cipher key shifts the position of the plaintext...

Alberti in the 1460s and included the later Vigenère cipher, but they usually yield ciphertexts where all cipher shapes occur with roughly equal probability...

without any fractionation, the basic Nihilist cipher is little more than a numerical version of the Vigenère cipher, with multiple-digit numbers being the enciphered...

Caesar cipher and one-time pad) Polyalphabetic substitution cipher: a substitution cipher using multiple substitution alphabets (e.g., Vigenère cipher and...

xor(secret_message_bytes, secret_key) |> rawToChar() Block cipher Vernam cipher Vigenère cipher There are 3 ways of getting a (ciphertext) output bit of...

plaintext: The message is then sent as "JCVSR LQNPS". However, unlike a Vigenère cipher, if the message is extended, the key is not repeated; the key text...

Consider an attack on the ciphertext string "WNAIW" encrypted using a Vigenère cipher with a five letter key. Conceivably, this string could be deciphered...

Bacon's cipher or the Baconian cipher is a method of steganographic message encoding devised by Francis Bacon in 1605. In steganography, a message is...

some overlap in these definitions; one could conceivably consider a Vigenère cipher with an eight-letter key to be an octographic substitution. In practice...

War of the 1850s, Babbage broke Vigenère's autokey cipher as well as the much weaker cipher that is called Vigenère cipher today. His discovery was kept...

Many ciphers were only partial implementations of Alberti's, and so were easier to break than they might have been (e.g. the Vigenère cipher). Not until...