Dual-server lightweight searchable encryption method and system supporting data partitioning

• Main Authors: GAO YING, CHANG RONGHE, LIU LIPEI, SHEN BOWEN, SHI JITING
• Format: Patent
• Language: Chinese; English
• Published: 04.12.2020
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRIC DIGITAL DATA PROCESSING; ELECTRICITY; HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATIONTECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING ORPROCESSING OF MEDICAL OR HEALTHCARE DATA; INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTEDFOR SPECIFIC APPLICATION FIELDS; PHYSICS; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

The invention discloses a dual-server lightweight searchable encryption method and a system supporting data partitioning, and the method comprises the steps: enabling a user to upload encrypted medical information and give a trusted doctor authorization, enabling the doctor to search the IDs of all authorized medical information containing keyword information corresponding to an uploader through keywords, and enabling the uploader to upload the encrypted medical information; further providing remote diagnosis and other services through contact with a corresponding uploader, so that it is guaranteed that a user can more safely upload personal information of the user to the cloud end, privacy safety protection is provided for promoting communication between a doctor and a patient. The medical care efficiency can be better improved; the friendly development of doctor-patient relationship is promoted; meanwhile, while the user information security is ensured, main operations are placed ata server side through the