The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 11, 2022
Filed:
Nov. 14, 2019
Tencent Technology (Shenzhen) Company Limited, Guangdong, CN;
Jian Jun Zhang, Shenzhen, CN;
Wen Wei Zou, Shenzhen, CN;
Mao Cai Li, Shenzhen, CN;
Zi Chao Tang, Shenzhen, CN;
Jun Zang, Shenzhen, CN;
Qing Zheng Shang, Shenzhen, CN;
Zong You Wang, Shenzhen, CN;
Qing Qin, Shenzhen, CN;
TENCENT TECHNOLOGY (SHENZHEN) COMPANY LTD, Shenzhen, CN;
Abstract
A data sharing method, server and storage medium including receiving a first part of a first key from a first client, the first key corresponding to encrypted data uploaded to a block of an information sharing system generating a first authorization code corresponding to the encrypted data; transmitting the first authorization code to the first client; based on receiving an access request from a second client for the encrypted data, obtaining a second authorization code and an incomplete key from the access request; based on the second authorization code being the same as the first authorization code and the second authorization code being valid, generating a second key according to the incomplete key and the first part of the first key corresponding to the encrypted data decrypting the encrypted data according to the second key to obtain the plaintext data; and transmitting, to the second client, the decrypted plaintext data.