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1. (WO2018086515) VERIFICATION CONSTRUCTION METHOD AND DEVICE CAPABLE OF OFFLINE VERIFICATION OF SAFETY INFORMATION TAG

Pub. No.:    WO/2018/086515    International Application No.:    PCT/CN2017/109793
Publication Date: Fri May 18 01:59:59 CEST 2018 International Filing Date: Wed Nov 08 00:59:59 CET 2017
IPC: H04L 9/08
Applicants: WANG, Dong
王栋
Inventors: WANG, Dong
王栋
Title: VERIFICATION CONSTRUCTION METHOD AND DEVICE CAPABLE OF OFFLINE VERIFICATION OF SAFETY INFORMATION TAG
Abstract:
Embodiments of the present invention provide a verification construction method and device capable of offline verification of a safety information tag, comprising: input information to be encoded and type information, perform a digital signature operation and an encryption operation on input information according to an information release type to construct combined information, and encode according to an information tag encoding rule to generate an offline-verifiable safety information tag; input safety information tag information and identify the combined information and type information comprised therein, analyze and decrypt the combined information according to information tag type information to obtain independent sub-information, and verify digital certificate validity information, a digital signature of the input information and valid time limit of the input information; if the verification succeeds, the safety information tag is correct in offline verification, the encoding information source of the safety information tag is credible, otherwise the information release source thereof is incredible. The safety information tag of the present invention is tamper-resistant, unforgeable and undeniable, can release public or private information, and can verify information integrity of the information tag and whether the source thereof is real or not offline without network connection.