Importance

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Abstract

A system for implementing secure transactions includes a mobile communication network, a service provider communicating with the mobile communication network and a mobile station communicating with the mobile network and, through the network, with the service provider. A subscriber identity module, in which an executable service application is stored, is associated with the mobile station. The system further includes means for transferring the material needed in implementing the transaction into the mobile station, means in the mobile station for presenting the transferred material to the user, means for requesting the user's acceptance of the presented material for digital signing, means for activating a PIN inquiry if the user accepts the material, means for checking, in the subscriber identity module, the correctness of the PIN code entered by the user, and means for encrypting and/or digitally signing the transmitted material using the service application stored in the subscriber identity module if the PIN code entered by the user is correct.

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First Claim