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Patent Searching and Data


Title:
ATTRIBUTE ENCRYPTION-BASED DEVICE SECURITY AUTHENTICATION METHOD AND RELATED APPARATUS THEREOF
Document Type and Number:
WIPO Patent Application WO/2024/031868
Kind Code:
A1
Abstract:
The present application discloses an attribute encryption-based device security authentication method and a related apparatus thereof. A terminal device encrypting a generated symmetric key and a generated random number by means of an attribute identification (ID) public key of an authentication server to obtain first encrypted information, and then sending a registration authentication request to the authentication server for authentication; decrypting, by means of the symmetric key, second encrypted information returned by the authentication server to obtain an attribute encryption ID private key and a random number, wherein the attribute encryption ID private key is generated by the authentication server according to attribute information of the terminal device, and the attribute information comprises position information, user information of a user bound with the terminal device, and a device factory ID; and verifying the legitimacy of an authentication server by means of random numbers, and after the authentication server is verified to be legitimate, storing an attribute encryption ID private key, such that the technical problem in the prior art that device security is affected due to the fact that device factory IDs are used as device keys for information encryption and transmission and then batched device keys are likely to be leaked due to leakage of manufacturer information is mitigated.

Inventors:
ZHAO YIJIE (CN)
CHENG GUOQIANG (CN)
YANG LIYANG (CN)
Application Number:
PCT/CN2022/133389
Publication Date:
February 15, 2024
Filing Date:
November 22, 2022
Export Citation:
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Assignee:
E SURFING DIGITAL LIFE TECH CO LTD (CN)
International Classes:
H04L9/40
Domestic Patent References:
WO2018076365A12018-05-03
Foreign References:
CN115348076A2022-11-15
CN113037484A2021-06-25
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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