H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 9/18 (2006.01)
Patent
CA 2520373
The invention concerns an encryption method and system particularly adapted for making secure electronic mail. It enables avoidance of generation by the encryption of the body of a message of certain symbols, so-called control characters, which can cause undesirable phenomena during transmission of the message. The encryption uses a pseudo-random generator, previously continuously initialized. The successive values supplied by said generator are used for encoding the successive symbols of the body of the message, the possible control characters in the message in clear being transmitted unmodified.
L'invention concerne un procédé et un système de cryptage particulièrement adaptés à la sécurisation du courrier électronique. Elle permet d'éviter que le cryptage du corps d'un message ne génère certains symboles, dits caractères de contrôles, qui peuvent provoquer des phénomènes non désirés lors de la transmission du message. Le cryptage utilise un générateur pseudo-aléatoire, préalablement initialisé de façon connue. Les valeurs successives fournies par ce générateur servent à coder les symboles successifs du corps du message, les éventuels caractères de contrôle présents dans le message en clair étant transmis sans modification.
Everbee Networks S.a.
Goudreau Gage Dubuc
LandOfFree
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