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A method for detecting AES-JAMBU resistance to differential fault attacks

A differential fault attack and fault technology, applied in the field of information security, can solve security risks and other problems

Inactive Publication Date: 2019-06-04
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is currently no public report evaluating the ability of the AES-JAMBU encryption algorithm to resist differential fault attacks, which brings security risks to products that encapsulate AES-JAMBU

Method used

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  • A method for detecting AES-JAMBU resistance to differential fault attacks
  • A method for detecting AES-JAMBU resistance to differential fault attacks
  • A method for detecting AES-JAMBU resistance to differential fault attacks

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Experimental program
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Embodiment Construction

[0059] Below in conjunction with specific embodiment, further illustrate the present invention.

[0060] Explanation of basic symbols

[0061] ⊕: XOR operation;

[0062] ||: connection operation, the connection between string a and string b is expressed as a||b, and can also be expressed as ab;

[0063] M: plaintext message;

[0064] C: use AES-JAMBU to process the correct ciphertext obtained by plaintext message M;

[0065] C * : use AES-JAMBU to process the plaintext message M and import the wrong ciphertext obtained after the fault;

[0066] |C|: ciphertext length;

[0067] ΔC: C and C * difference value;

[0068] Δc i : the i-th byte of ΔC;

[0069] T: use AES-JAMBU to process the correct verification tag obtained by processing the plaintext message M;

[0070] T * : use AES-JAMBU to process the plaintext message M and import the error label obtained after the fault;

[0071] |T|: label length;

[0072] ΔT: T and T * difference value;

[0073] The i-th byt...

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Abstract

The invention provides a method for detecting AES-JAMBU resistance to differential fault attacks. The method comprises the steps that firstly, through an AES-JAMBU authentication encryption algorithm,the plaintext message is processed, and two different experiment environments at the stage are controlled, wherein one is that the experiment environment is not interfered at all, and it is guaranteed that the algorithm processes the plaintext message correctly; And in the other way, in the process of processing the plaintext message through the algorithm, some physical means are used for interfering the processing process, the processing process is induced to generate faults, and wrong output is obtained. And the resistance of the algorithm to the differential fault attack is evaluated by calculating the difference value of the correct result and the error result. And then, by judging the validity of the imported fault and determining the position of fault importing, the key is recovered. The method has the characteristics of simplicity, rapidness, accuracy, easiness in realization and the like; And the a good analysis basis for the capability of resistance to differential fault attacks of the AES-JAMBU authentication encryption algorithm.

Description

technical field [0001] The present invention relates to the field of information security technology, in particular to a method for detecting the AES-JAMBU authentication encryption algorithm against differential fault attacks, which can be used to evaluate the ability of the AES-JAMBU authentication encryption algorithm to resist differential fault attacks, and is mainly used for evaluation and packaging The security of products with AES-JAMBU certified encryption algorithm. Background technique [0002] The rapid development of information technology makes it necessary for technicians to choose a safe and reliable encryption algorithm to ensure the integrity and confidentiality of messages when designing Internet information interaction methods. attention of foreign scholars. [0003] AES-JAMBU is a new authenticated encryption algorithm proposed by scholars Wu.H and Huang.T in March 2014. The algorithm includes two parts: encryption and authentication, which can not only...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/06H04L9/00
Inventor 李玮李嘉耀曹珊姜霖霖汪梦林吴益鑫廖林峰丁祥武燕彩蓉
Owner DONGHUA UNIV
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