Method and apparatus for simultaneously encrypting and...

H - Electricity – 04 – L

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H04L 9/28 (2006.01) H03M 7/30 (2006.01) H04L 9/00 (2006.01)

Patent

CA 2314939

A comcryptor (100) works together with a compressor set (105) and a permutation set (110). The comcryptor (100) performs simulataneous compression and encryption of input source data (115) based on the input key (120). The output of the comcryptor (100) is compressed and encrypted, that is to say comcrypted, data (125). The compressor set (105) includes multiple compression algorithms for use by the comcryptor (100). Typically at least two compression algorithms are available in the compressor set (105), but any number may be present. The larger the number of compression algorithms are available in the compressor set (105), but any number may be present. The larger the number of compression algorithms in the compressor (105) is, the greater the lever of security is.

Une unité de compression-cryptage (100) fonctionne avec un ensemble compresseur (105) et un ensemble de permutation (110). L'unité de compression-cryptage (100) procède simultanément à la compression et au cryptage de données (115) de source d'entrée sur la base de la clé (120) d'entrée. La sortie de l'unité de compression-cryptage (100) se présente sous la forme de données (125) comprimées et cryptées, c'est-à-dire comcryptées. L'ensemble compresseur (105) comprend de multiples algorithmes de compression destinés à être utilisés par l'unité de compression- cryptage (100). Typiquement, au moins deux algorithmes de compression sont disponibles dans l'ensemble compresseur (105), mais on peut prévoir n'importe quel nombre. Plus le nombre d'algorithmes de compression est grand dans le compresseur (105), plus le niveau de sécurité est élevé.

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