cipher+set

См. также в других словарях:

• cipher — [sī′fər] n. [ME cifre < OFr cyfre < ML cifra < Ar ṣifr, ṣefr, a cipher, nothing < ṣafara, to be empty] 1. the symbol 0, indicating a value of zero 2. a person or thing of no importance or value 3. a) a system of secret writing based… …   English World dictionary

• cipher — 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… …   Universalium

• 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

• Cipher (newuniversal) — Not to be confused with Cipher (comics) or Cypher (comics). Cipher Cover to newuniversal: shockfront #2, Marvel Publishing, circa 2008. Publication information …   Wikipedia

• Set (commande) — Pour les articles homonymes, voir set. Set est le nom d une commande sous Windows et sous Unix (y compris Linux) qui affiche les variables d’environnement. Commande set sur Windows La commande set sans aucun paramètre permet de lister les… …   Wikipédia en Français

• 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

• Block cipher — In cryptography, a block cipher is a symmetric key cipher operating on fixed length groups of bits, called blocks, with an unvarying transformation. A block cipher encryption algorithm might take (for example) a 128 bit block of plaintext as… …   Wikipedia

• Caesar 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 …   Wikipedia

• Stream cipher — The operation of the keystream generator in A5/1, a LFSR based stream cipher used to encrypt mobile phone conversations. In cryptography, a stream cipher is a symmetric key cipher where plaintext digits are combined with a pseudorandom cipher… …   Wikipedia

• Hill cipher — Hill s cipher machine, from figure 4 of the patent In classical cryptography, the 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 it was… …   Wikipedia

• Hasty Pudding cipher — Infobox block cipher name = Hasty Pudding Cipher caption = designers = Richard Schroeppel publish date = 1998 ndash;06 derived from = derived to = related to = certification = key size = Variable block size = Variable structure = rounds =… …   Wikipedia