Bandwidth efficient method and system for obscuring the...

H - Electricity – 04 – L

Patent

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H04L 9/28 (2006.01)

Patent

CA 2745516

A system, method, and network interface obscures the existence of data encryption in a communication network is provided. A set of characters is generated by using a set of encryption keys as an input to a pseudo-random function. Each character corresponds to an index value. The encrypted data is divided into a plurality of parts. Each part is sectioned into a plurality of groups. Each group of the plurality of groups is encoded by mapping the group to a character in the set of characters according to its corresponding index value. The mapped characters are transmitted through the communication network.

L'invention concerne un système, un procédé, et une interface réseau qui masque l'existence de chiffrement de données dans un réseau de communications. On crée un ensemble de caractères en utilisant un ensemble de clés de chiffrement comme entrée d'une fonction pseudo-aléatoire. Chaque caractère correspond à une valeur indice. Les données chiffrées sont divisées en plusieurs parties et chaque partie en plusieurs groupes. Chacun de ces groupes est codé par mappage du groupe avec un caractère de l'ensemble des caractères en fonction de sa valeur indice correspondante. Les caractères mappés sont transmis par le biais du réseau de communications.

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