Title:
DATA STORAGE METHOD AND APPARATUS AND DATA READING METHOD AND APPARATUS FOR PRIVATE DATA
Document Type and Number:
WIPO Patent Application WO/2021/114923
Kind Code:
A1
Abstract:
A data storage method and apparatus and a data reading method and apparatus for private data. In a private data storage stage, a trusted execution environment (TEE) unit (100) uses determined key information to encrypt private data and stores same in a data storage platform (400); in a decryption key registration stage, the TEE unit (100) uses a public key of a data manager (200) to encrypt a decryption key for the private data and stores the decryption key in the data manager (200), and the data manager (200) manages the decryption key; in a decryption key acquisition stage, a data viewer (300) acquires, from the data manager (200), the decryption key encrypted by means of the public key of the data manager (200), and performs decryption by means of a corresponding private key to obtain the decryption key; and in a private data acquisition stage, the data viewer (300) acquires encrypted data from the data storage platform (400), and uses the obtained decryption key to decrypt the encrypted data so as to obtain the private data.
Inventors:
ZHANG NING (CN)
WANG LEI (CN)
YU CHAOFAN (CN)
ZHOU AIHUI (CN)
WANG LEI (CN)
YU CHAOFAN (CN)
ZHOU AIHUI (CN)
Application Number:
PCT/CN2020/124294
Publication Date:
June 17, 2021
Filing Date:
October 28, 2020
Export Citation:
Assignee:
ALIPAY HANGZHOU INF TECH CO LTD (CN)
International Classes:
G06F16/901
Foreign References:
| CN110968743A | 2020-04-07 | |||
| CN110011956A | 2019-07-12 | |||
| CN103475474A | 2013-12-25 | |||
| CN110519049A | 2019-11-29 | |||
| US20130254558A1 | 2013-09-26 |
Attorney, Agent or Firm:
BEIJING BESTIPR INTELLECTUAL PROPERTY LAW CORPORATION (CN)
Download PDF: