Patents by Inventor Qing Zheng Shang

Qing Zheng Shang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11223477
    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.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: January 11, 2022
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LTD
    Inventors: Jian Jun Zhang, Wen Wei Zou, Mao Cai Li, Zi Chao Tang, Jun Zang, Qing Zheng Shang, Zong You Wang, Qing Qin
  • Publication number: 20200084037
    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.
    Type: Application
    Filed: November 14, 2019
    Publication date: March 12, 2020
    Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Jian Jun ZHANG, Wen Wei Zou, Mao Cai Li, Zi Chao Tang, Jun Zang, Qing Zheng Shang, Zong You Wang, Qing Qin