Subscriber Identity Module
First Claim
1. Subscriber identity module for a mobile communication terminal, comprising a processing device, a memory device, an I/O device and a wireless communication device,characterized in that said wireless communication device is an interrogatable transponder.
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Accused Products
Abstract
The invention relates to a subscriber identity module for a mobile communication terminal, comprising a processing device, a memory device, an I/O device and a wireless communication device, in particular an interrogatable transponder such as an RFID transponder. The RFID transponder is operatively controllable by said processing device, and comprises a memory which contains identification data, configurable by the processing device. The RFID-enabled subscriber identification module may be used as an authentication token. A method for providing secure communications between the subscriber identification module and an RFID interrogating device is also provided.
228 Citations
21 Claims
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1. Subscriber identity module for a mobile communication terminal, comprising a processing device, a memory device, an I/O device and a wireless communication device,
characterized in that said wireless communication device is an interrogatable transponder.
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20. Method for execution by a subscriber identity module, for the purpose of providing secure data communication between the subscriber identity module and an external interrogating device, said subscriber identity module comprising a processing device, a memory device containing a private key, an I/O device, and an interrogatable transponder,
said method comprising the steps of transmitting identification data upon an interrogation by the external interrogating device, receiving an encrypted message from the external communication device, said message being encrypted with a public key associated with said identification data, decrypting said encrypted message using said private key, using the decrypted message as a shared key to encrypt further data communication between the subscriber identity module and the external interrogating device.
Specification