| 摘要 |
A transaction terminal device executing a customer transaction includes a tamper-proof secured module detachably incorporated in a main unit, and an unsecured module that is not tamper-proof and is embedded in the main unit. The secured module notifies secure information to a user, obtains customer related unique information required for executing the customer transaction, encrypts the unique information obtained, and sends the encrypted unique information to the unsecured module. The unsecured module executes the customer transaction using the encrypted unique information.
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