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Storage device with independent storing section, and cryptoguard method

A storage device and password protection technology, applied in storage systems, preventing unauthorized use of memory, instruments, etc., can solve problems such as poor confidentiality, affecting user rights and interests, and inability to divide multiple sections to protect data for different purposes, etc. , to achieve the effect of improving the protective function

Inactive Publication Date: 2006-07-05
CARRY COMPUTER ENGINEERING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. Divide multiple partitions (such as the first partition 144, the second partition 145, the third partition 146, etc.) with the data structure through the sector partition table 143, although all partitions for storing data are partitioned , but in fact the addresses of these partitions are still addressing consecutively, that is to say, users can still update data at the same time through the application system, which cannot achieve the purpose of dividing multiple sections to protect data for different purposes
[0005] 2. The proprietary program often changes the data structure of the important "sector partition table" in cooperation with the user's operation. Therefore, there is a very high potential risk to the security and stability of the stored data
If the confidential data (such as application software or confidential documents, programs) stored in the above-mentioned storage medium is changed or deleted inadvertently due to the above-mentioned means with extremely poor confidentiality, it will affect the user's considerable rights and interests.

Method used

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  • Storage device with independent storing section, and cryptoguard method
  • Storage device with independent storing section, and cryptoguard method
  • Storage device with independent storing section, and cryptoguard method

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Embodiment Construction

[0045] Please refer to figure 2 The internal components of the password-protected multi-segment storage device 21 of the present invention include a storage medium 23, a storage medium interface 24 electrically connected to the storage medium 23, a system end interface 25 connected to an external application system 26, and an electrical connection The control unit 22 of the storage medium interface 24 and the system end interface 25, and the control unit 22 includes a microprocessor 221 for the calculation and control of digital signals and a memory unit 222 for storing control programs, characterized in that: through the control The operation process set in the unit 22 achieves the function of dividing the total storage space of the storage medium 23 into a plurality of independent storage areas, and these independent storage areas have addressing addresses that are independent and continuous but overlap each other, that is, each The starting address of an independent storage...

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PUM

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Abstract

The invention relates to a storage device with an independent memory space and the code protecting method thereof. In the multisection storage device with code protection, an application system is connected with a control unit through system-end interface, the control unit is connected with a storage medium through storage medium interface; and the total storage space of the storage medium comprises: plural independent storage sections and special sections, and the control unit is provided with plural special instruction sets and control method. The invention can divide a storage space in a storage device into plural independent storage spaces and improves the stored data protection.

Description

technical field [0001] The present invention provides a storage device with an independent storage area and a password protection method thereof, especially a design and concept of redesigning the total storage area of ​​a storage medium to protect stored data. Background technique [0002] At present, there are thin, light and large-capacity storage devices on the market, including removable storage media (such as Zip disks, CDs, various types of memory cards, etc.), portable storage devices, such as USB flash drives ( U disk), external hard disks, etc. have been widely adopted by users, and except for the external hard disk, the rest are planned as a single and continuous storage space at the beginning of the design (as shown in the storage device 11 on the right side of Figure 1 In order to enable the system to conveniently and effectively manage the storage location of the data, the address is divided into multiple storage areas with a certain storage capacity, and throu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11B20/10G06F12/00G06F12/14G06F13/00
Inventor 谢祥安
Owner CARRY COMPUTER ENGINEERING CO LTD
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