IDENTITY AUTHENTICATION METHOD FOR PRIVACY PROTECTION, AND APPARATUS

Title:

IDENTITY AUTHENTICATION METHOD FOR PRIVACY PROTECTION, AND APPARATUS

Document Type and Number:

WIPO Patent Application WO/2021/184974

Kind Code:

A1

Abstract:

Embodiments of the present description provide an identity authentication method for privacy protection and an apparatus. In the authentication method, a biological feature of a user to be authenticated is obtained; encryption is performed on the biological feature of the user to be authenticated using a private encryption key, and an encrypted feature is obtained; decryption is performed on an encrypted library file, and an original library file is obtained; with respect to the original library file, a second decryption key corresponding to a second encryption key is used and decryption is performed once on each encrypted record within said file, and encrypted records having undergone decryption once are obtained; the encrypted feature and the encrypted records having undergone decryption once are compared, and if the encrypted feature matches with any one among the encrypted records having undergone decryption once, then the user to be authenticated passes identity authentication. Thereby identity authentication can be implemented while performing privacy protection on a biological feature of a user.

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Inventors:

WANG LIBIN (CN)
LI LIANG (CN)
ZHENG DANDAN (CN)

Application Number:

PCT/CN2021/074244

Publication Date:

September 23, 2021

Filing Date:

January 28, 2021

Export Citation:

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Assignee:

ALIPAY HANGZHOU INF TECH CO LTD (CN)

International Classes:

G06F21/32; G06F21/60; G06F21/62

Foreign References:

CN111382409A	2020-07-07
CN110119608A	2019-08-13
CN110287670A	2019-09-27
CN108965222A	2018-12-07
CN101984576A	2011-03-09

Attorney, Agent or Firm:

BEIJING BESTIPR INTELLECTUAL PROPERTY LAW CORPORATION (CN)

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