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A detection method of cloc authentication encryption algorithm against differential fault attack

A differential fault attack, authentication and encryption technology, applied in the field of information security, can solve security risks, evaluate CLOC authentication encryption algorithm to resist differential fault attacks, etc., and achieve accurate and easy-to-implement effects

Active Publication Date: 2021-02-26
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are currently no public reports evaluating the ability of CLOC-authenticated encryption algorithms to resist differential fault attacks, which leaves a security risk for products that are being packaged with CLOC-authenticated encryption algorithms

Method used

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  • A detection method of cloc authentication encryption algorithm against differential fault attack
  • A detection method of cloc authentication encryption algorithm against differential fault attack
  • A detection method of cloc authentication encryption algorithm against differential fault attack

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Embodiment Construction

[0030] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0031] When using the CLOC authentication encryption algorithm to process the same message with the same key, if the experimental environment (such as clock, voltage, humidity, radiation, pressure, light and eddy current, etc.) is different, the attacker can obtain a correct output and Two error outputs, respectively calculate the difference between the correct output and the error output, namely and in, It is an XOR oper...

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Abstract

The invention relates to a detection method for a CLOC authentication encryption algorithm to resist differential fault attacks. Firstly, a CLOC authentication encryption algorithm is used to process an input message to ensure that a correct result is output; secondly, a fault is introduced during the processing to induce it to obtain a wrong output. As a result, the number of inductions is twice; the ability to resist differential fault attacks of CLOC-authenticated encryption is evaluated by calculating the difference value of the two times. If a fault is detected, the specific location of the fault can be deduced, and the validity of the fault location can be further judged. The invention is simple in operation, fast in implementation and high in accuracy, and provides a good analysis basis for evaluating the ability of CLOC authentication encryption to resist differential fault attacks.

Description

technical field [0001] The invention relates to the technical field of information security, in particular to a detection method for a CLOC authentication encryption algorithm against differential fault attacks. Background technique [0002] With the rapid development of modern computer technology, information security issues have gradually become prominent. Behaviors such as network attacks and illegal intrusions are on the rise every year, bringing huge security risks to people in the process of using the Internet. In 2014, the CLOC cipher was proposed as a new authenticated encryption algorithm, which is suitable for embedded processors and can efficiently process short input data. [0003] Differential fault attacks aim at the structure of symmetric ciphers and the characteristics of round functions, combined with differential analysis, introduce faults during algorithm execution, analyze their impact on output, and finally obtain key information. There is currently no ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/08H04L9/00
CPCH04L9/004H04L9/0861
Inventor 李玮吴益鑫廖林峰曹珊孙莉石秀金李华婷张书铭刘以一
Owner DONGHUA UNIV