Double-boot backup method and security equipment

A security device and backup technology, which is applied in the communication field, can solve the problems of high cost of security device upgrade and high cost of Flash loading line, and achieve the effect of saving cost and improving reliability

Inactive Publication Date: 2009-06-24
HANGZHOU DPTECH TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the method of loading the Flash chip through JTAG requires a Flash loading line, and the cost of the Flash loading line is relatively high, which will undoubtedly lead to an increase in the upgrade cost of the security device

Method used

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  • Double-boot backup method and security equipment
  • Double-boot backup method and security equipment
  • Double-boot backup method and security equipment

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Embodiment Construction

[0029] The present invention provides a dual-backup Boot safety device. When the program in the startup Boot is damaged during the system upgrade process of the safety device, the user can still switch to the backup Boot to start the system through the prompt information, ensuring the safety of the system of the safety device. Normal start. In addition, with the present invention, it can be ensured that when the security equipment is tested and upgraded, the Flash chip that stores and starts the Boot program does not need to be welded repeatedly, and the boot program can be written into the Flash chip without repeated disassembly of the Flash chip. Easy to operate and cost saving.

[0030] The specific realization of the double Boot backup security equipment provided by the present invention, such as figure 1 As shown, it includes: booting BootRom110, which is welded on the single board of the safety device, and is used to store the basic segment program and extended segment ...

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Abstract

The invention discloses safety equipment for dual Boot backup, which comprises the following steps: a BootRom is started, welded on a single plate of the safety equipment, and used for storing a root segment program and an extra segment program required when the safety equipment is started; the BootRom is backuped, and the safety equipment is electrically connected with BootRom via a control unit, provided with the same addressing space as that of the BootRom starting, and used for storing the root segment program required by the system starting; the control unit is used for detecting whether the root segment program is damaged during the starting of BootRom, and the safety equipment can be started via the root segment program in the backup BootRom if the root segment program is damaged during the starting of BootRom. By adding the backup BootRom, the reliability of updating the safety equipment is improved, the application of the safety equipment in a network becomes safer, and the normal start of the safety equipment is ensured even after the program is damaged. The invention also discloses a method for the dual Boot backup.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a safe, reliable, and low-cost dual-boot backup method for upgrading programs and its safety equipment. Background technique [0002] With the development of Internet technology, it is more and more common for people to use the Internet to carry out various activities, and the Internet has increasingly become an important part of people's life and work. But at the same time, there are also some criminals who use virus transmission, Trojan horse implantation and other methods to attack or infringe on the interests of normal users are becoming more and more rampant. Therefore, security devices in the network are becoming increasingly important in protecting user interests. The security devices in the network are not allowed to make any mistakes in the process of providing services on the network, otherwise it may bring unimaginable disaster to the entire network due to the l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/445G06F11/14H04L12/24
Inventor 王恒民
Owner HANGZHOU DPTECH TECH
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