Обложка книги DECIM

DECIM

ISBN: 978-6-1329-2057-7;
Издательство: Книга по требованию

In cryptography, DECIM is a stream cypher algorithm designed by Come Berbain, Olivier Billet, Anne Canteaut, Nicolas Courtois, Blandine Debraize, Henri Gilbert, Louis Goubin, Aline Gouget, Louis Granboulan, Cedric Lauradoux, Marine Minier, Thomas Pornin and Herve Sibert. It has been patented. It has been submitted to the eSTREAM Project of the eCRYPT network. In cryptography, a stream cipher is a symmetric key cipher where plaintext bits are combined with a pseudorandom cipher bit stream (keystream), typically by an exclusive-or (xor) operation. In a stream cipher the plaintext digits are encrypted one at a time, and the transformation of successive digits varies during the encryption. An alternative name is a state cipher, as the encryption of each digit is dependent on the current state. In practice, the digits are typically single bits or bytes.

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