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A channelable system and its realization method

A channelable and trusted technology, applied in the direction of platform integrity maintenance, etc., can solve the problems of lack of effective support of trusted computing technology, hidden security risks, unimplemented software subsystems, etc., to ensure integrity, enhance security, Guaranteed effect of good order

Active Publication Date: 2019-04-19
NO 709 RES INST OF CHINA SHIPBUILDING IND CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The safe operation of embedded software requires the support of the underlying operating system. The Dao system has not yet effectively supported trusted computing technology, including the establishment of a full chain of trust from DeltaOS TA (boot image) to DeltaOS kernel, and then to applications. There are security risks in the Tao system itself, but the TPM 2.0 software subsystem and TSS2.0 middleware subsystem are not implemented in the DeltaOS kernel

Method used

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  • A channelable system and its realization method
  • A channelable system and its realization method
  • A channelable system and its realization method

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Embodiment Construction

[0055] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted here that the descriptions of these embodiments are used to help understand the present invention, but are not intended to limit the present invention.

[0056] In the whole system, including DeltaOS TA, DeltaOS kernel and DeltaOS applications. Such as figure 1 As shown, a kind of channelable system provided by the present invention includes the first trusted platform module subsystem 100 and the first integrity measurement subsystem 200 arranged in the DeltaOS TA, and the second trusted platform module arranged in the DeltaOS kernel The subsystem 300, the second integrity measurement subsystem 400, the trusted software stack subsystem 500, and the application module 600 set in the DeltaOS application program.

[0057] The first Trusted Platform Module subsystem 100 is used to implement TPM2.0 cryptographic operations, com...

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Abstract

The invention belongs to the technical field of computer embedded systems, and specifically discloses a channelable system and a realization method thereof. The system includes a first trusted platform module subsystem and a first integrity measurement subsystem set in the DeltaOS TA, and a second trusted platform module subsystem, a second integrity measurement subsystem and a second integrity measurement subsystem set in the DeltaOS kernel. Trusted software stack subsystem; the first and second trusted platform module subsystems have cryptographic operation functions, which are used to receive and process external commands, and realize part or all of the trusted computing function interface; the first integrity measurement subsystem Through the first trusted platform module subsystem, the integrity measurement and integrity storage of DeltaOS kernel files are realized. The system can enhance the security of DeltaOS, ensure the integrity of DeltaOS kernel files and application files, and facilitate applications to use trusted computing functions.

Description

technical field [0001] The invention belongs to the technical field of computer embedded systems, and mainly relates to a channelable system and its realization method. Background technique [0002] At present, trusted computing technology is an effective new technology to enhance the security of information systems. Trusted computing technology uses trusted platform module (Trusted Platform Module, TPM), trusted software stack (Trusted Chain of Trust (CoT) enhances the security of the information system, so that the enhanced information system has security functions such as platform integrity measurement, data sealed storage and platform identity authentication. The latest specification of the trusted platform module is TPM Platform Module Library Family 2.0Level 00Revision 01.16, referred to as TPM2.0; the latest specification of the trusted software stack is TSS System Level API and TPM Command TransmissionInterface Specification Family 2.0Level00Revision 01.00, referred ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/57
CPCG06F21/57
Inventor 徐明迪任正伟明瑞扬沈楚楚刘毅
Owner NO 709 RES INST OF CHINA SHIPBUILDING IND CORP