| 摘要 |
The invention concerns an authenticating device comprising an apparatus (1) for carrying out transactions. The apparatus (1) comprises a housing protected against breaches. In the housing are integrated an interface circuit (10) for receiving an identification support including an identification logic circuit, man-machine interface means (3, 4) for displaying transaction data and for receiving from the user identification data transmitted to the logic circuit via the interface circuit (10) and signature commands related to the transaction data displayed, a protected circuit (6) for delivering a first signature of transaction data in response to signature commands when the identification has been completed, said signature being obtained by encrypting part at least of the transaction data using a non-erasable private signature key stored in the protected circuit.
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