Communication system and communication method

Details Communication system and communication method Communication system and communication method

H - Electricity

04

L

H04L 9/16 (2006.01) G09C 1/04 (2006.01) H04L 9/08 (2006.01)

Patent

CA 2592675

A communication system including two communication apparatuses is improved such that the possibility that a third party decrypts the communication is reduced. A communication system includes first and second communication apparatuses, one of which encrypts data to be transmitted and transmits the encrypted data to the other communication apparatus, which receives and decrypts the encrypted data. Each communication apparatus generates an algorithm to be used for encryption each time it performs an encryption or decryption. In this case, each communication apparatus generates a new algorithm by assigning a past solution to a solution generation algorithm that allows the new algorithm to be generated. The past solution, when having become unused, is erased.

L'invention concerne un système de communications comprenant deux appareils de communications amélioré, de sorte que la possibilité qu'un tiers décrypte la communication est réduite. Un système de communications comprend un premier et un second appareil de communications, l'un d'eux cryptant des données à transmettre et transmet les données cryptées vers l'autre appareil de communications, qui reçoit et décrypte les données cryptées. Chaque appareil de communications produit un algorithme à utiliser dans le cadre d'un cryptage chaque fois qu'il effectue un cryptage ou un décryptage. Dans ce cas, chaque appareil de communications produit un nouvel algorithme grâce à l'attribution d'une solution passée à un algorithme de production de génération, ce qui permet la création d'un nouvel algorithme. La solution passée, lorsqu'elle n'a pas été utilisée, est éliminée.

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