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A device and method for realizing tamper detection

A tamper-proof and circuit technology, applied in the protection of internal/peripheral computer components, etc., can solve the problems of inability to meet the requirements of silver inspection tamper-proof, erasing key information, etc.

Active Publication Date: 2020-04-03
DATANG MICROELECTRONICS TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, for some payment terminal chips without special anti-tamper pins, key information cannot be erased immediately in the event of a power failure, and cannot meet the anti-tamper requirements of the bank inspection

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  • A device and method for realizing tamper detection

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Embodiment Construction

[0024] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0025] The steps shown in the flowcharts of the figures may be performed in a computer system, such as a set of computer-executable instructions. Also, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0026] For some payment terminal chips, since there is no special anti-tampering pin, key information cannot be erased immediately in the event of a power failure. If these payment terminal chips are powered by button batteries, because the button batteri...

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Abstract

The invention discloses an anti-dismantling detection realization apparatus and method. The anti-dismantling detection realization apparatus comprises a printed circuit board (PCB), and further comprises a payment terminal chip, a rechargeable battery and an anti-dismantling circuit located on the PCB, wherein the rechargeable battery is connected with the payment terminal chip and used for supplying power to the payment terminal chip when the payment terminal chip loses power; and the payment terminal chip is connected with the anti-dismantling circuit and used for erasing key information in the payment terminal chip when the anti-dismantling circuit is destroyed. By adopting the rechargeable battery and the anti-dismantling circuit, anti-dismantling detection is realized under the condition that the payment terminal chip is free of a special anti-dismantling pin, and an anti-dismantling requirement of a bank card detection center is met.

Description

technical field [0001] The invention relates to the field of payment terminals, in particular to a device and method for realizing tamper detection. Background technique [0002] At present, the bank card testing center puts forward tamper-proof requirements for financial payment terminal chips, that is, the payment terminal chip itself has the function of detecting physical damage and erasing key information. [0003] However, for some payment terminal chips without special anti-tamper pins, key information cannot be erased immediately in the event of a power failure, and cannot meet the anti-tamper requirements of the bank inspection. Contents of the invention [0004] In order to solve the above technical problems, the present invention provides a device and method for realizing tamper detection, which can realize tamper detection when the payment terminal chip does not have a dedicated tamper pin. [0005] In order to achieve the purpose of the present invention, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/77G06F21/72
CPCG06F21/72G06F21/77
Inventor 韩泽鹏徐俊峰
Owner DATANG MICROELECTRONICS TECH CO LTD
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