Trusted system
First Claim
Patent Images
1. A method for allowing a financial transaction to be performed using a electronic system, the method comprising:
- interrogating an electronic transaction terminal with an electronic security device to obtain an integrity metric for the transaction terminal measured by a trusted device contained within the transaction terminal after the last restart of the transaction terminal;
determining if the transaction terminal is a trusted terminal based upon the integrity metric; and
allowing financial transaction data to be input into the transaction terminal if the transaction terminal is identified as a trusted terminal.
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Abstract
A method for allowing a financial transaction to be performed using a electronic system, the method comprising interrogating an electronic transaction terminal with an electronic security device to obtain an integrity metric for the electronic financial transaction terminal; determining if the transaction terminal is a trusted terminal based upon the integrity metric; allowing financial transaction data to be input into the transaction terminal if the transaction terminal is identified as a trusted terminal.
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Citations
10 Claims
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1. A method for allowing a financial transaction to be performed using a electronic system, the method comprising:
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interrogating an electronic transaction terminal with an electronic security device to obtain an integrity metric for the transaction terminal measured by a trusted device contained within the transaction terminal after the last restart of the transaction terminal; determining if the transaction terminal is a trusted terminal based upon the integrity metric; and allowing financial transaction data to be input into the transaction terminal if the transaction terminal is identified as a trusted terminal. - View Dependent Claims (2, 3, 4)
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5. A financial transaction system, comprising:
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an electronic financial transaction terminal; and an electronic security device having interrogation means for interrogating the transaction terminal to obtain an integrity metric for the transaction terminal measured by a trusted device contained within the transaction terminal after the last restart of the transaction terminal, determining means for determining if the transaction terminal is a trusted terminal based upon the integrity metric, and means for allowing financial transaction data to be input into the transaction terminal if the transaction terminal is identified as a trusted terminal. - View Dependent Claims (6, 7)
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- 8. An electronic security transaction device having interrogation means for interrogating an electronic financial transaction terminal to obtain an integrity metric for the transaction terminal measured by a trusted device contained within the transaction terminal after the last restart of the transaction terminal, determining means for determining if the transaction terminal is a trusted terminal based upon the integrity metric, and means for allowing financial transaction data to be input into the transaction terminal if the transaction terminal is identified as a trusted terminal.
Specification