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Computer mainboard framework based on domestic security processor, and operating method

A security processor, computer motherboard technology, applied in computer security devices, computing, electrical digital data processing and other directions, can solve the problem of BIOS startup and IO communication without good protection measures, easy to be tampered with BIOS startup items, and monitored communication. data and other issues, to achieve the effect of increasing system stability and security, reducing use risks, and improving read and write speed

Inactive Publication Date: 2017-07-21
SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the mature motherboard architecture mostly adopts the form of CPU+bridge, and there are no good protection measures for BIOS startup and IO communication. In the event of illegal damage, it is easy to tamper with BIOS startup items or monitor communication data; domestic computing platforms need to be designed Alternative systems with different hardware architectures and software algorithms to improve the security and confidentiality protection capabilities of computing platforms

Method used

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  • Computer mainboard framework based on domestic security processor, and operating method

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Comparison scheme
Effect test

Embodiment 1

[0030] A computer motherboard architecture based on a domestic security processor, including a security processor, a security IO bridge chip, a control chip, a computing chip, and an FPGA chip;

[0031] The control chip communicates with the computing chip through the UART interface to realize trusted measurement; the control chip communicates with the security processor through the SPI interface and the PCIe interface, and the security processor is connected with the external memory one and the memory, and the external memory one is equipped with a background control In the system, the control chip loads the initialization program into the memory space of the security processor through the SPI interface to complete booting, and at the same time, the security processor controls the kernel to run and is installed in an external memory-internal background control system;

[0032] The safety IO bridge is connected with the safety processor and the external memory two, and the exte...

Embodiment 2

[0036] A computer motherboard architecture based on a domestic security processor, its structure is as described in Embodiment 1, the difference is that the security IO bridge includes a PCIe controller, high-speed input and output components, and low-speed input and output components, and the security IO bridge passes through The PCIe interface is connected to the computing chip, the FPGA chip, and the security processor, and the high-speed input and output components and the low-speed input and output components are respectively connected to the high-speed interface and the low-speed interface.

Embodiment 3

[0038] A kind of computer motherboard architecture based on domestic safety processor, its structure is as described in embodiment 2, difference is, safety IO bridge piece also comprises graphic image controller, storage controller; High-speed input and output parts comprise SATA controller, Ethernet controller, USB controller; low-speed input and output components include audio controller, serial port controller, PS / 2 controller, GPIO.

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Abstract

The invention relates to a computer mainboard framework based on domestic security processor, and operating method, and belongs to the technical field of the secure and trusted design of a domestic computing platform and mainboard framework design. The framework comprises a security operator, a security IO (Input / Output) bridge sheet, a management and control chip, a computing chip and an FPGA (Field Programmable Gate Array) chip, wherein the security operator, the security IO bridge sheet, the management and control chip, the computing chip, the FPGA and other peripheral circuits realize bottom layer hardware; the security operator provides an operation control kernel and an expansion interface; the security IO bridge sheet is taken as a Switch controller to provide an IO component; the management and control chip realizes startup guidance and trusted measurement; and the computing chip and the FGPA chip realize a data decryption algorithm. The computer mainboard framework is a safe and trusted domestic autonomous computer mainboard framework.

Description

technical field [0001] The invention relates to a computer motherboard architecture and an operating method based on a domestic security processor, and belongs to the technical field of safe and reliable design of domestic computing platforms and motherboard architecture design. Background technique [0002] With the rapid development of information electronization and information globalization, national defense informatization and information security have received unprecedented attention. At the same time, domestic computing platforms are also facing unprecedented opportunities and challenges. Safe, reliable, autonomous and controllable are the requirements of the current situation for domestic computing platforms. Among them, safe and reliable design is the core competitiveness of domestic computing equipment, and hardware architecture and software algorithm design are innovative breakthrough points for domestic computing equipment. The safe and trusted design includes au...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/57
CPCG06F21/57G06F21/575
Inventor 朱书杉李坤路永轲
Owner SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD
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