SD security module based on SoC chip and transmission method
A technology of a security module and a transmission method, applied in the field of industrial computers, can solve the problems of security affecting performance, lack of security and confidentiality means in communication, etc., to achieve the effect of being convenient to use at any time
Pending Publication Date: 2021-01-15
SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD
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Problems solved by technology
In recent years, with the development of informatization, instant messaging has become an indispensable technology in people's lives, but traditional communication lacks security and confidentiality means. With the increasing demand for network communication security from users, real-time communication systems Medium security issues become a bottleneck affecting performance
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[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0015] 1) The hardware composition of the security module is mainly composed of SoC chip and SD card memory. The SoC chip mainly completes data encryption and communication, and the SD card stores externally to complete data communication with the host. 2) The module integrates a self-developed security SOC chip, which has the characteristics of high performance, low power consumption, and high security. The chip adopts 32-bit RISC high-performance low-power ...
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The invention provides an SD security module based on an SoC chip and a transmission method, the SD security module comprises the SoC chip, an SD card memory and an external clock chip, the SD card memory is in data communication with a host, the SoC chip adopts a 32-bit RISC high-performance low-power embedded CPU core, and a symmetric encryption engine, a physical noise source, a 320K byte EFLASH, a 64K byte SRAM, GPIO and TIMER module and an SDC controller; and the external clock chip provides a real-time clock. The security module designed by combining SoC technology and information security technology can provide confidentiality, authenticity, availability and other protection for data and provide security protection for the data. The security module adopts an SD interface, is convenient to plug and unplug on a computer, can be conveniently used by a user at any time, and has certain universality compared with a traditional security encryption method.
Description
technical field [0001] The invention relates to the field of industrial computers, in particular to an SD security module and a data transmission method realized by an SoC chip. Background technique [0002] System on Chip (SoC) refers to the integration of the entire electronic system on a single chip, its logic unit is flexible, the development cycle is short, and the manufacturing cost is low. Chips produced using SoC technology have the advantages of application-oriented, multi-functional, low power consumption, and low cost, and have been used more and more. In recent years, with the development of informatization, instant messaging has become an indispensable technology in people's lives, but traditional communication lacks security and confidentiality means. With the increasing demand for network communication security from users, real-time communication systems Medium security issues become a bottleneck affecting performance. There is an urgent need for a security ...
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IPC IPC(8): G06F21/60G06F15/78G06F13/40
CPCG06F21/602G06F21/606G06F15/7807G06F13/4068
Inventor 马丽丽吴登勇赵鑫
Owner SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD