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cipher |
Also found in: Dictionary/thesaurus, Legal, Wikipedia, Hutchinson | 0.06 sec. |
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cipher: see cryptography cryptography (krĭptŏg`rəfē) [Gr.,=hidden writing], science of secret writing. ..... Click the link for more information. . (1) The core algorithm used to encrypt data. A cipher transforms regular data (plaintext) into a coded set of data (ciphertext) that is not reversible without a key. For example, AES and DES are examples of secret key block ciphers. The complete encryption algorithm is the cipher plus the technique used to apply the cipher to the message, which can be a very intricate series of steps. See cryptography, encryption algorithm, block cipher and plaintext. |
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| But what is the use of a cipher message without the cipher? As to the cipher systems supposed to reveal hidden messages in the plays: First, no poet bending his energies to the composition of such masterpieces as Shakspere's could possibly concern himself at the same time with weaving into them a complicated and trifling cryptogram. Fancy a man lugging with him a book of that description into this nowhere and studying it-- and making notes--in cipher at that |
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cipher
