System and method for electronic transmission, storage and...

H - Electricity – 04 – L

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H04L 9/32 (2006.01) G06Q 20/00 (2006.01)

Patent

CA 2334804

Methods and apparatus are provided that implement digital signing and/or encryption for the electronic transmission, storage, and retrieval of authenticated documents and that enable the establishment of the identity of the originator of an electronic document and of the integrity of the information contained in such a document. Together these provide irrevocable proof of authenticity of the document. The methods and apparatus make it possible to provide "paper-less" commercial transactions, such as real estate transactions and the financial transactions secured by real estate. A Certification Authority provides tools for initializing and managing the cryptographic material required to sign and seal electronic documents. An Authentication Center provides "third party" verification that a document is executed and transmitted by the document's originator. The methods and apparatus eliminate the need for "hard copies" of original documents as well as hard copy storage. Retrieval of an authenticated document from the Authentication Center may be done by any number of authorized parties at any time by on-line capability.

L'invention concerne des procédés et un appareil permettant le chiffrement et/ou la signature numérique pour l'émission, le stockage et le retrait électroniques de documents authentifiés et pour l'établissement de l'identité de l'émetteur d'un document électronique et de l'intégrité de l'information contenue dans ledit document, les deux permettant de produire une preuve irrévocable de l'authenticité du document. Lesdits procédés et appareil permettent la mise en place de transactions commerciales "sans papier", telles que les transactions immobilières et les transactions commerciales garanties par des biens immobiliers. Un organisme de certification produit des outils pour l'initialisation et la gestion du matériel cryptographique requis pour la signature et l'apposition du sceau sur les documents électroniques. Un centre d'authentification assure la vérification revenant à un "tiers" du fait qu'un document est exécuté et transmis par l'émetteur du document. Les procédés et appareil permettent de supprimer la nécessité de production des documents originaux sur support papier et de stockage sur support papier. L'extraction d'un document authentifié du centre d'authentification peut s'effectuer par n'importe quel nombre de parties autorisées, à n'importe quel moment, par une opération en direct.

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