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Device and method for ensuring consistency of encryption behaviors of redundant executors

An executor and encryption algorithm technology, applied in secure communication devices and key distribution, can solve problems such as large system overhead and inability to guarantee security, and achieve the effect of consistent encryption behavior, consistent content, and guaranteed operation results

Active Publication Date: 2019-08-27
PLA STRATEGIC SUPPORT FORCE INFORMATION ENG UNIV PLA SSF IEU
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the pseudo-random number generator is implemented by software, its security cannot be guaranteed. If the real random number is implemented by software and hardware, it will be a great overhead for the system.

Method used

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  • Device and method for ensuring consistency of encryption behaviors of redundant executors
  • Device and method for ensuring consistency of encryption behaviors of redundant executors

Examples

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Embodiment 1

[0029] Embodiment one, such as figure 1 As shown, a device for ensuring consistent encryption behavior of redundant executives is used in information control systems with high security requirements, and includes multiple redundant executives 10 , a scheduler 11 and a random number generator 12 .

[0030] The redundant execution body 10 is connected with the scheduler and is used to execute the application program. Each redundant execution body is equivalent in function and can be homogeneous or heterogeneous in structure. It runs on it including encryption algorithms in A series of applications within the scheduler perform encryption and other calculations according to the input of the scheduler, and output the calculation results to the scheduler.

[0031] The scheduler 11 is used for the management of redundant execution bodies, input and output agents and other related operations, such as receiving external input and distributing input data to each redundant execution body;...

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Abstract

The invention relates to the technical field of encryption protection and the technical field of system architecture which adopts redundancy design and needs a redundancy executor comparison result, in particular to a device for ensuring the consistency of encryption behaviors of redundancy executors. The device comprises a plurality of homogeneous or heterogeneous redundancy executors which run synchronously, a scheduler and a random number generator, the redundant executor is used for executing the application program and outputting an operation result to the scheduler; the scheduler is usedfor management of the redundant executors and inputting and outputting agent; and the random number generator is used for collecting random number influence factors in the system, calculating a random number sequence and outputting the random number sequence to the scheduler. The invention also relates to a method for ensuring the consistency of the encryption behavior of the redundant executor.According to the method, the consistency of encryption behaviors on the redundant executor can be ensured, and an output result can be judged relatively.

Description

technical field [0001] The invention relates to the technical field of encryption protection and the technical field of system architecture adopting redundant design and requiring comparison results of redundant executives, in particular to a device and method for ensuring consistent encryption behavior of redundant executives. Background technique [0002] In order to improve the security of existing information systems, system redundancy design appears, including homogeneous redundancy design and heterogeneous redundancy design. A system with redundant design needs to compare the output of each redundant executive body to judge whether the output result is correct. [0003] The following difficulties exist in the application of encryption technology in redundant systems: Even if different platforms implement the same encryption algorithm, the secret keys generated due to different sources of random number seeds will be different, resulting in different encryption results, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/08
CPCH04L9/0869H04L9/088
Inventor 于洪张兴明宋克沈剑良谭力波魏帅陈艇张帆
Owner PLA STRATEGIC SUPPORT FORCE INFORMATION ENG UNIV PLA SSF IEU
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