Cryptographic system comprising a ciphering and deciphering...

Details Cryptographic system comprising a ciphering and deciphering... Cryptographic system comprising a ciphering and deciphering...

H - Electricity

04

L

H04L 9/30 (2006.01) H04L 9/08 (2006.01)

Patent

CA 2280952

The invention concerns a cryptographic system, combining the so-called discrete logarithm and factoring principles, comprising a ciphering and deciphering system and a key escrow system and the associated appliances and devices. It is particularly designed for being used in electronic systems such as chip cards, PCMCIA cards, badges, contactless cards or any other portable medium.

La présente invention concerne un système cryptographique, associant les principes dits de logarithme discret et de la factorisation, comprenant un système de chiffrement et de déchiffrement et un système de séquestre de clés et les appareils et dispositifs associés. Elle est particulièrement destinée à être mise en oeuvre dans des systèmes électroniques du type cartes à puce, cartes PCMCIA, des badges, des cartes sans contact ou tout autre appareil potable.

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