Electronic official document exchange system

• Main Authors: LIU XIAOYU, ZHANG LUYING, YAN JUNYI, LI YANGYANG, ZHOU TONG, MA GUANGJUN, SUN CHONGWU, LI HONGSHENG, ZHOU CONG, LI DONGLIANG
• Format: Patent
• Language: Chinese; English
• Published: 31.01.2023
• Subjects: CALCULATING; COMPUTING; COUNTING; DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; PHYSICS; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

The invention is applicable to the technical field of computers, and particularly relates to an electronic official document exchange system, which comprises the following steps of: receiving an electronic official document to be exchanged, performing identity verification on the electronic official document to be exchanged, and analyzing to obtain identity information of a document sender; calling a corresponding universal key, and completing decryption of the to-be-exchanged electronic official document to obtain official document content data; calling the receiving time of the electronic official document to be exchanged, and replacing the first character string with the second character string to obtain a random encrypted official document; and storing the randomly encrypted official document and the receiving time, and sending the randomly encrypted official document to the recipient. According to the method, the identity of the sender is verified, after verification is passed, the electronic official do