Methods and systems for providing a secure data distribution...

Details Methods and systems for providing a secure data distribution... Methods and systems for providing a secure data distribution...

H - Electricity

04

L

H04L 9/32 (2006.01)

Patent

CA 2499092

A server in a public key system stores a list of fingerprints of digital data. Another fingerprint is computed for this list of fingerprints and provided to a client terminal. A client terminal in a public key system obtains a list of fingerprints of digital data from a first source in this system. The client terminal further obtains a fingerprint for that list of fingerprints from a first source as well as from a second source for comparing both obtained fingerprints.

L'invention concerne un serveur compris dans un système à clé publique qui stocke une liste d'empreintes digitales de données numériques. Une autre empreinte digitale est calculée pour cette liste d'empreintes digitales puis est envoyée à un terminal client. Un terminal client d'un système à clé publique obtient une liste d'empreintes digitales de données numériques d'une première source dans ce système. Le terminal client obtient en outre une empreinte digitale pour cette liste d'empreintes digitales d'une première source et d'une seconde source de manière à comparer les deux empreintes digitales obtenues.

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