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Security verification method and device for APK signature information and POS machine

A signature information, security verification technology, applied in the field of APK signature information security verification method, device and POS machine, can solve the problem that the signature is easy to be tampered with

Active Publication Date: 2020-12-25
深圳市捷诚技术服务有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a security verification method, device and POS machine for APK signature information, aiming to solve the customization problem mentioned in the above-mentioned background technology and the problem that the signature is easily tampered with

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  • Security verification method and device for APK signature information and POS machine
  • Security verification method and device for APK signature information and POS machine
  • Security verification method and device for APK signature information and POS machine

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Embodiment Construction

[0051] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. It can be understood that the drawings are provided for reference and description only, and are not intended to limit the present invention. The connection relationship shown in the drawings is only for the convenience of clear description, and does not limit the connection mode.

[0052] It should be noted that when a component is considered to be "connected" to another component, it may be directly connected to the other component, or there may be intervening ...

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Abstract

The invention provides a security verification method for APK signature information, which is applied to a POS machine, and a root certificate of a CA library is packaged on the POS machine. The method comprises the following steps of: obtaining a client signature certificate and a client signature certificate installation request; verifying the legality of the client signature certificate throughthe root certificate packaged in the POS machine, a legal client signature certificate being obtained by a sub-certificate signature private key corresponding to the root certificate; and if it is verified that the client signature certificate is legal, installing the client signature certificate and adding the client signature certificate into a trust certificate list.

Description

technical field [0001] The invention relates to the technical field of mobile payment security, in particular to a security verification method, device and POS machine for APK signature information. Background technique [0002] Existing smart point of sale terminals (Point of Sale, POS) widely use the Android system, and the application program of the Android system is called APK. Due to the openness of the Android system, there is no strict signature verification for the APK. It needs to be customized to ensure that only legally signed APK programs are allowed to be installed and executed. [0003] At present, the APK signature verification on the device side is to directly preset the APK signature public key of the acquirer into the terminal before the device leaves the factory, and use the public key to verify the APK signature during installation. This method is not flexible, and it is difficult to guarantee the APK signature. The signature public key will not be tampe...

Claims

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Application Information

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IPC IPC(8): H04L9/32G07G1/12
CPCG07G1/12H04L9/3247H04L9/3263
Inventor 江沣吴周兴
Owner 深圳市捷诚技术服务有限公司
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