System and method for securing on-line documents using...

H - Electricity – 04 – L

Patent

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H04L 9/32 (2006.01) G07F 17/32 (2006.01)

Patent

CA 2657395

A system and method for providing an authentication code across a network for use in authentication of documents, such as printed lottery tickets. The system includes document-printing terminals that include a key that is used in a mathematical function with the bet information for a specific-game entry to generate a document code that is sent to a central server. The central server stores the received document code and then generates an authentication code for the document desired to be printed at the terminal, and sends the authentication code back to the terminal for printing on the issued document. The authentication code can be a further mathematical processing of the document code. Verification of the document occurs from comparison of the authentication code on the document and stored authentication and/or document codes at the server.

La présente invention concerne un système et un procédé pour donner un code d'authentification dans l'ensemble d'un réseau, ledit code servant à authentifier des documents tels que des billets de loterie imprimés. Le système comprend des terminaux d'impression de documents comportant une clé employée dans une fonction mathématique avec les informations de pari de manière qu'une entrée spécifique à un jeu génère un code de document envoyé à un serveur central. Le serveur central stocke le code de document reçu puis génère un code d'authentification par le document dont l'impression est souhaitée au niveau du terminal puis renvoie le code d'authentification au terminal pour l'imprimer sur le document émis. Le code d'authentification peut être un traitement mathématique complémentaire du code de document. La vérification du document a lieu par comparaison du code d'authentification sur le document aux codes d'authentification et/ou de documents stockés au niveau du serveur.

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