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Fingerprint registration method and device and fingerprint verification method and device

A fingerprint verification and fingerprint authentication technology, applied in the field of fingerprint identification, can solve problems such as hidden dangers of fingerprint unit security, and achieve the effect of improving security and avoiding replacement.

Pending Publication Date: 2019-12-03
广东华芯微特集成电路有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This brings a great security risk to the application of the fingerprint unit.

Method used

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  • Fingerprint registration method and device and fingerprint verification method and device
  • Fingerprint registration method and device and fingerprint verification method and device
  • Fingerprint registration method and device and fingerprint verification method and device

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Embodiment Construction

[0047] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0048] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention.

[0049] The fingerprint registration method and fingerprint verification method provided by this application can be applied to such as figure 1 shown in the application environment. Wherein, the fingerprin...

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Abstract

The invention relates to a fingerprint registration method and device and a fingerprint verification method and device. The fingerprint registration method comprises the following steps: acquiring a fingerprint to be registered; generating a registration fingerprint template according to the fingerprint to be registered; performing abstract operation on the registered fingerprint template to obtain a first hash value; wherein the first hash value is used for verifying that the fingerprint template for fingerprint verification is a registered fingerprint template during fingerprint verification; storing the registered fingerprint template; and sending the first hash value to a main control unit for storage. Abstract operation can be performed on the registered fingerprint template to obtainthe first hash value.According to the invention, the first hash value is stored in the main control unit, and when fingerprint verification needs to be carried out, whether the fingerprint template of the comparison fingerprint is the registered fingerprint template or not needs to be verified in addition to the comparison fingerprint, so that dual verification is realized, the fingerprint template is prevented from being replaced, and the safety of fingerprint verification is improved.

Description

technical field [0001] The present application relates to the technical field of fingerprint identification, in particular to a fingerprint registration method, a fingerprint verification method and a device. Background technique [0002] At present, fingerprint recognition has been widely used in many fields, and various identity authentication devices are embedded with fingerprint recognition modules to facilitate user identity authentication. For example, fingerprint time card machine, fingerprint access control system, fingerprint digital certificate, etc. [0003] A fingerprint authentication device generally includes a main control unit, a fingerprint unit, other functional units, and firmware codes built into each unit. Fingerprint authentication is realized through the fingerprint entry and comparison functions of the fingerprint unit. The main components of this fingerprint unit include a fingerprint algorithm chip, a fingerprint sensor and peripheral circuits. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06Q20/40G07C9/00
CPCG06Q20/40145G07C9/00563G06V40/1365G06V40/50
Inventor 周江瑜韩智毅
Owner 广东华芯微特集成电路有限公司
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