Title:
USB FLASH DISK ACCESS METHOD AND USB FLASH DISK
Document Type and Number:
WIPO Patent Application WO/2022/068298
Kind Code:
A1
Abstract:
A USB flash disk access method and a corresponding USB flash disk. Said access method comprises: receiving an access instruction for the USB flash disk (S11); determining that the access address of the access instruction is a specific address of the USB flash disk (S12); and executing an APDU instruction related to the access instruction or returning data of a designated area, so as to respond to the access instruction (S13). The described USB flash disk access method can improve the reading security of a USB flash disk and implement the personalized application of the USB flash disk.
Inventors:
NING JIAO (CN)
ZHANG CHENGCHENG (CN)
YUAN YANFANG (CN)
ZHANG LEI (CN)
GAO ZHIZHOU (CN)
YANG FENG (CN)
GU SITING (CN)
LIU JIAYI (CN)
WANG HUINAN (CN)
ZHANG CHENGCHENG (CN)
YUAN YANFANG (CN)
ZHANG LEI (CN)
GAO ZHIZHOU (CN)
YANG FENG (CN)
GU SITING (CN)
LIU JIAYI (CN)
WANG HUINAN (CN)
Application Number:
PCT/CN2021/103492
Publication Date:
April 07, 2022
Filing Date:
June 30, 2021
Export Citation:
Assignee:
BEIJING SMARTCHIP MICROELECTRONICS TECH CO LTD (CN)
STATE GRID INFORMATION & TELECOMMUNICATION GROUP CO LTD (CN)
STATE GRID SHANXI MARKETING SERVICE CENTER (CN)
STATE GRID CORP CHINA (CN)
BEIJING SMARTCHIP SEMICONDUCTOR TECH COMPANY LIMITED (CN)
STATE GRID INFORMATION & TELECOMMUNICATION GROUP CO LTD (CN)
STATE GRID SHANXI MARKETING SERVICE CENTER (CN)
STATE GRID CORP CHINA (CN)
BEIJING SMARTCHIP SEMICONDUCTOR TECH COMPANY LIMITED (CN)
International Classes:
G06F21/60
Foreign References:
| CN112084524A | 2020-12-15 | |||
| CN101872334A | 2010-10-27 | |||
| CN101051292A | 2007-10-10 | |||
| CN101441634A | 2009-05-27 | |||
| US20130042029A1 | 2013-02-14 |
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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