User authentication method and apparatus

Details User authentication method and apparatus User authentication method and apparatus

H - Electricity

04

L

H04L 9/32 (2006.01) H04W 12/06 (2009.01) G06F 21/00 (2006.01) G07F 19/00 (2006.01)

Patent

CA 2193819

Authorization for a user to use a service is provided by a modified pager which calculates a unique response code to a transmitted challenge code based on the challenge code, an input personal identification number, and an internal key. The response code is input to a simple terminal, such as a telephone and if the unique response code is acceptable, the user may access the desired service, such as cashless transactions or long distance phone service.

Un récepteur d'appel modifié autorise un utilisateur de faire appel à un service en calculant un code réponse unique à un code d'interrogation transmis, en fonction dudit code d'interrogation, d'un numéro d'identification personnel introduit, et d'une clé interne. Le code réponse est introduit dans un terminal simple, tel qu'un téléphone, et, si ce code unique est acceptable, l'utilisateur peut accéder au service requis, tel que des transactions sans numéraire ou un service téléphonique interurbain.

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