Title:
DATABASE ACCESS METHOD AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/206502
Kind Code:
A1
Abstract:
A database access method and device, capable of ensuring data security during an interaction process between a user and a database, and effectively reducing performance overhead. The method comprises: receiving an encrypted data calculation request sent by a database kernel, wherein the encrypted data calculation request is used for requesting to calculate encrypted data of a user, and the database kernel runs in a non-secure execution environment (S301); receiving encrypted data sent by the database kernel, wherein the encrypted data is all encrypted data in a user query request (S302); in response to the encrypted data calculation request, decrypting and calculating the encrypted data to obtain a calculation result (S303); encrypting the calculation result to obtain an encrypted calculation result (S304); and sending the encrypted calculation result to the database kernel (S305).
Inventors:
CHENG KUN (CN)
GUO LIANG (CN)
ZHU JINWEI (CN)
GUO LIANG (CN)
ZHU JINWEI (CN)
Application Number:
PCT/CN2022/082450
Publication Date:
October 06, 2022
Filing Date:
March 23, 2022
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
G06F21/62; G06F21/57; G06F21/60
Foreign References:
| CN112699399A | 2021-04-23 | |||
| US20190340393A1 | 2019-11-07 | |||
| US20140136840A1 | 2014-05-15 | |||
| CN113609492A | 2021-11-05 | |||
| US20160292430A1 | 2016-10-06 | |||
| CN112131564A | 2020-12-25 | |||
| US20210049299A1 | 2021-02-18 | |||
| CN202110335806A | 2021-03-29 |
Attorney, Agent or Firm:
LONGSUN LEAD IP LTD. (CN)
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