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Communications Systems and Electronics

A communication system and reliable technology, applied in the field of communication systems, can solve problems such as difficult maintenance, complex channel design, low communication efficiency, etc., and achieve the effect of solving limited processing capacity

Active Publication Date: 2019-10-29
沈阳微可信科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The common problem of these solutions is to realize the channel between the ordinary execution environment REE and the trusted execution environment TEE with a single channel, which makes the channel design complicated, maintenance difficult and communication efficiency low

Method used

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  • Communications Systems and Electronics
  • Communications Systems and Electronics
  • Communications Systems and Electronics

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Embodiment Construction

[0037] 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 some of the embodiments of the present invention, but not all of them.

[0038] According to an embodiment of the present invention, a multi-channel communication system for communication between REEs and TEEs is proposed. The multi-channel communication system includes a REE and a TEE isolated from the REE, an operating system and an application run in both the TEE and the REE, for example, a client application, a main driver, a virtual driver and / or a processor core run on the REE side, Trusted applications, main drivers, virtual drivers and / or processor cores run on the TEE side; application channels, driver channels, and scheduling and control channels arranged between REEs and TEEs are also included. Among them, the appl...

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Abstract

The present invention relates to communication systems and electronic equipment. In particular, it relates to a communication system for communication between a common execution environment and a trusted execution environment, wherein the communication system includes: a common execution environment and a trusted execution environment, wherein the trusted execution environment is isolated from the common execution environment; in Both the trusted execution environment and the ordinary execution environment can run operating systems and applications. The communication system also includes a processor core scheduling unit. The processor core scheduling unit checks the task load of each processor core of the trusted execution environment at regular intervals. conditions, and schedules processor cores between the trusted execution environment and the normal execution environment via scheduling and control channels based on task load conditions.

Description

technical field [0001] The present invention relates to a communication system for communication between a common execution environment and a trusted execution environment and electronic equipment applying the communication system. Background technique [0002] The basic idea of ​​TEE (Trusted Execution Environment) or safe runtime environment (safe runtime environment) is to provide an isolated safe operating system in addition to the common operating system, and run on a set of isolated Based on the hardware, this secure operating system is called TEE. It is known that a protected area can be generated in a microprocessor unit as a TEE by ARM trust zone technology. The TEE is used to run applications called trustlets. ARM has fully supported TEE in chip IP design. At present, Qualcomm, MediaTek, Samsung, Hisilicon, Spreadtrum, etc. have all supported TEE in hardware. Intel's X86 architecture and Imagination's MIPS architecture have also introduced similar solutions. Th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/50G06F9/48G06F9/54G06F21/74
CPCG06F9/4856G06F9/5027G06F9/544G06F9/546G06F21/74G06F2209/508
Inventor 孟庆洋高峰孟令智张强
Owner 沈阳微可信科技有限公司
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