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PROCEDES ET DISPOSITIFS DE CRYPTAGE ET DE DECRYPTAGE D'UN MESSAGE DE DONNEES A CLE SECRETE ALEATOIRE

Abstract : Method of encrypting a data message S comprising at least one step (102) for the calculation of at least one random g key Kabo on the basis of at !east one random number Nb a1 and of at least one secret key Ksecret an enciphering ( 105) of the data S on M the basis of the random key Kabo and of a plurality of diversified random keys Kabl to KabN calculated on the basis of the random 0 key Kabo delivering encrypted data Z, and a transmitting of the encrypted data Z and of an item of information produced on the basis of the random number Nb 31 and/or of the secret key Ksecret·
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https://hal-emse.ccsd.cnrs.fr/emse-01141010
Contributor : Jean-Baptiste Rigaud <>
Submitted on : Friday, April 10, 2015 - 10:49:38 AM
Last modification on : Wednesday, June 24, 2020 - 4:18:22 PM

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  • HAL Id : emse-01141010, version 1

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Pascal Manet, Olivier Faurax, Jean-Baptiste Rigaud. PROCEDES ET DISPOSITIFS DE CRYPTAGE ET DE DECRYPTAGE D'UN MESSAGE DE DONNEES A CLE SECRETE ALEATOIRE. France, N° de brevet: FR0759464. 2007. ⟨emse-01141010⟩

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