Method for storing and updating sensitive data of Internet of Vehicles equipment

The invention discloses a method for storing and updating sensitive data of Internet of Vehicles equipment, which comprises the following steps of: by establishing a mapping relationship between a physical page address and a logic page address of a target storage area, when reading and writing data,...

Full description

Saved in:
Bibliographic Details
Main Authors WANG DAYONG, ZHOU YUJIE, TAN YONGWEI
Format Patent
LanguageChinese
English
Published 12.04.2022
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
Online AccessGet full text

Cover

More Information
Summary:The invention discloses a method for storing and updating sensitive data of Internet of Vehicles equipment, which comprises the following steps of: by establishing a mapping relationship between a physical page address and a logic page address of a target storage area, when reading and writing data, adopting an online address quick search mode to avoid memory overhead and software delay caused by establishing a mapping table by initializing physical page scanning; when the data is written, the modes of rolling writing and progressive increase of serial numbers are adopted, any access with the logic address space smaller than the physical address space is supported, and for high-frequency data updating, the physical space can be effectively utilized, and the writing service life is prolonged; the atomicity identifier is added in the physical page information, so that the writing consistency of a plurality of discontinuous address spaces generated by one-time transaction writing can be supported; through detect
Bibliography:Application Number: CN202111548497