Encryption communication method and system of Arm architecture application processor

An application processor, encrypted communication technology, applied in transmission systems, wireless communication, security devices, etc., can solve the problems of inconvenient embedding of encryption modules, bypass, etc., to reduce the risk of being bypassed, high security, communication safe effect

Active Publication Date: 2020-06-05
BEIJING YUANXIN SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the SoC integration scheme, the hardware is already fixed, and it is inconvenient to embed the encryption module
At this time, if encrypted c

Method used

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  • Encryption communication method and system of Arm architecture application processor
  • Encryption communication method and system of Arm architecture application processor

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Embodiment Construction

[0030] Embodiments and examples of the present invention will be described in detail below with reference to the drawings.

[0031] The scope of applicability of the present invention will become apparent from the detailed description given below. It should be understood, however, that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are given for purposes of illustration only.

[0032] figure 1 A flow chart of a preferred embodiment of an encrypted communication method for an Arm architecture application processor according to the present invention is shown. The application processor and communication chip based on the Arm architecture are integrated on the SoC chip, and the communication chip is a 2G, 3G, 4G and / or 5G communication chip. Here, the 5G communication chip is used as an example for illustration. ARM defines exception levels for permission control, which are EL0, EL1, EL2, and EL3, and their exception l...

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Abstract

The invention discloses an encryption communication method and system of an Arm architecture application processor. The method comprises: an application operating system being made to run at a first-level exception level of the application processor; a microkernel system which at least performs memory allocation management and control running in a second-level exception level, higher than the first-level exception level, of the application processor, wherein the microkernel system divides a memory into a first memory area and a second memory area; the microkernel system enabling the application operating system to only read and write the first memory area, the communication chip only reading and writing the second memory area, and performing reading and writing between the first memory area and the second memory area through a hardware encryption module arranged outside the application processor. According to the invention, the risk that encryption is bypassed can be greatly reduced, so that communication is safer.

Description

technical field [0001] The present application relates to the field of electrical digital data processing, in particular to an encrypted communication method and system for an Arm architecture application processor. Background technique [0002] From a narrow perspective, System on Chip (SoC) is the chip integration at the core of an information system, which integrates key components of the system on a single chip; from a broad perspective, SoC is a micro-miniature system. Academic circles at home and abroad generally tend to define SoC as the integration of microprocessor, analog IP core, digital IP core and memory (or off-chip storage control interface) on a single chip, which is usually a custom-made or specific-purpose standard product. [0003] In the Arm (Advanced RISC Machine, advanced reduced instruction set machine) V8 architecture, the Application (application) is located at the EL0 level with the lowest privilege level, the Guest OS (Linux kernel, window, etc.) ...

Claims

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Application Information

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IPC IPC(8): H04W12/02
CPCH04L2209/12H04W12/02H04W12/03
Inventor 姜哲邹仕洪朱睿李翔
Owner BEIJING YUANXIN SCI & TECH
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