breaking a cipher

breaking a cipher
<08> 1. взламывание шифра
2. вскрытие шифра 3. раскрытие шифра

Сборный англо-русский словарь. . 2011.

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  • Cipher (band) — Cipher Origin Long Beach, New York, USA Genres Hardcore punk Metalcore Years active 1996–2011? Labels Uprising Records …   Wikipedia

  • Cipher security summary — This article summarizes publicly known attacks against ciphers. Note that not all entries may be up to date. Table color key No known successful attacks Theoretical break Attack demonstrated in practice The Best attack column lists the complexity …   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

  • Permutation cipher — In classical cryptography, a permutation cipher is a transposition cipher in which the key is a permutation.To apply a cipher, a random permutation of size e is generated (the larger the value of e the more secure the cipher). The plaintext is… …   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

  • Vigenère cipher — The Vigenère cipher is a method of encrypting alphabetic text by using a series of different Caesar ciphers based on the letters of a keyword. It is a simple form of polyalphabetic substitution.The Vigenère (pronEng|ˌviːdʒɪˈnɛəɹ, veedj ih nair )… …   Wikipedia

  • Purple (cipher machine) — This article is about the Japanese cipher Purple, also known as AN 1 (citation for AN 1 nomenclature for Purple?). For other Japanese ciphers, such as JN 25 which played a part in the Battle of Midway, see Japanese naval codes. In the history of… …   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

  • 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

  • Book cipher — A book cipher is a cipher in which the key is some aspect of a book or other piece of text; books being common and widely available in modern times, users of book ciphers take the position that the details of the key is sufficiently well hidden… …   Wikipedia

  • ADFGVX cipher — In cryptography, the ADFGVX cipher was a field cipher used by the German Army during World War I. ADFGVX was in fact an extension of an earlier cipher called ADFGX. Invented by Colonel Fritz Nebel and introduced in March 1918, the cipher was a… …   Wikipedia


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