Data security in multipoint publish/subscribe communications

Details Data security in multipoint publish/subscribe communications Data security in multipoint publish/subscribe communications

H - Electricity

04

L

H04L 9/32 (2006.01) H04L 9/08 (2006.01)

Patent

CA 2299505

The method and program product are useful in a publish/subscribe communications system (30), such as one having a publisher (10) and at least one subscriber (20). In the method and program product the encrypted data is published to one or more subscribers (20', 20''). The subscriber attempts decryption but fails to decrypt the data. The method and the program product then initiate a key exchange between the subscriber (20', 20'') and the publisher (10). This results in passing the key and thereafter decrypting the published data.

Procédé et programme présentant une grande utilité dans un système de communication édition/abonnement (30) comme, par exemple, un système comportant un éditeur (10) et au moins un abonné (20). Dans le procédé et le programme selon l'invention, les données codées sont éditées pour un ou plusieurs abonnés (20', 20''). L'abonné essaie en vain de décoder les données. Le procédé et le programme initialisent alors un échange de codes entre l'abonné (20', 20'') et l'éditeur (10), ce qui se traduit par une transmission de code, puis un décodage des données publiées.

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