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Digital certificate generation method and system based on biological characteristics

A biometric data and biometric technology, applied in the field of information security, can solve the problems of not realizing the real correlation of digital certificates, and achieve the effect of enhancing security and correlation

Pending Publication Date: 2020-08-04
确信信息股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The combination of biometrics and PKI digital certificates has also been widely used, such as fingerprint usbkey, mobile phone shield and other products, but these applications mainly use biometric technology for identity authentication, and the public-private key pair corresponding to the digital certificate is not generated by biometrics. , did not realize the true association between digital certificates and biometrics

Method used

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  • Digital certificate generation method and system based on biological characteristics
  • Digital certificate generation method and system based on biological characteristics
  • Digital certificate generation method and system based on biological characteristics

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] In one or more implementations, a biometric-based digital certificate generation method is disclosed, including the following process:

[0034] (1) Biometric certificate template generation

[0035] The biometric certificate template is formulated through the CA certificate certification center, and the biometric type, biometric parameter collection / preprocessing algorithm, and biometric key generation algorithm are defined.

[0036] (2) The biometric key pair includes a public key and a private key. The key pair is generated based on the biometric feature. For the specific process, refer to figure 1 , including the following steps:

[0037] (2-1) Biological feature information collection, which may include any of the biological features such as face, fingerprint, iris, palm veins, or voiceprint;

[0038] (2-2) Biometric key pair generation refers to the technology of generating a stable sequence by using some preset algorithms in biometrics and cryptography. For exa...

Embodiment 2

[0062] In one or more implementations, a biometric-based digital certificate generation system is disclosed, including:

[0063] A device for obtaining biometric information and generating biometric data;

[0064] A device for generating a biometric key pair based on the biometric data using a preset key generation method;

[0065] A device for generating a certificate request based on the biometric key pair; the certificate request includes a biometric extension;

[0066] means for verifying a biometric extension based on the certificate request;

[0067] A device for issuing a digital certificate after successful verification.

[0068] The specific implementation manner of the above-mentioned device is realized by the same method as that in the first embodiment, and the specific process will not be described again.

Embodiment 3

[0070] In one or more embodiments, a terminal device is disclosed, including a server, the server includes a memory, a processor, and a computer program stored on the memory and operable on the processor, and the processor executes the The program implements the biometric-based digital certificate generation method in Embodiment 1. For the sake of brevity, details are not repeated here.

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Abstract

The invention discloses a digital certificate generation method and system based on biological characteristics, and the method comprises the steps: obtaining biological characteristic information, andgenerating biological characteristic data; generating a biological characteristic key pair based on the biological characteristic data by adopting a preset key generation method; generating a certificate request based on the biometric key pair, wherein the certificate request comprises a biological feature extension item; and based on the certificate request, verifying the biological characteristic extension item, and successfully signing and issuing a digital certificate after verification. The method and system have the beneficial effects that the public and private key pairs of the digitalcertificate are generated by the biological characteristics of the certificate holder, the relevance between the key and the person is enhanced, and the real unification of the real physical identityof the user and the network digital identity is realized.

Description

technical field [0001] The invention relates to the technical field of information security, in particular to a biometric-based digital certificate generation method and system. Background technique [0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art. [0003] The digital certificate is based on the PKI public key cryptographic infrastructure technology widely used in the world, and is a credible digital file digitally signed by an authoritative, feasible and fair third-party certificate certification authority (CA). A digital certificate usually includes the certificate serial number, certificate owner information, certificate owner public key, key usage, certificate issuer information, certificate issuer signature, certificate signature algorithm, etc. In layman's terms, a digital certificate is an individual's or organization's ID card on the Internet, which can be used...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/32H04L9/08
CPCH04L9/3263H04L9/3231H04L9/0866
Inventor 王吉伟刘伟王立伟
Owner 确信信息股份有限公司
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