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An AES private log encryption method based on reversible logic circuit

A technology of logic circuit and encryption method, applied in encryption devices with shift registers/memory, countermeasures against encryption mechanisms, electrical components, etc., can solve the problem of only one output, etc., and achieve low circuit cost and multiple types of keys , the effect of low energy consumption

Active Publication Date: 2020-10-30
NANTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The problem is that traditional logic gates have a fan-out in a certain position, that is, there are two inputs but only one output.

Method used

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  • An AES private log encryption method based on reversible logic circuit
  • An AES private log encryption method based on reversible logic circuit
  • An AES private log encryption method based on reversible logic circuit

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Embodiment Construction

[0057] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. the embodiment. Elements and features described in one embodiment of the present invention may be combined with elements and features shown in one or more other embodiments. It should be noted that representation and description of components and processes that are not related to the present invention and that are known to those of ordinary skill in the art are omitted from the description for the purpose of clarity. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0058]A...

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Abstract

The invention discloses an AES private log encryption method based on a reversible logic circuit. A reversible logic circuit structure is used for the reconstruction of a column mixing process and a reversible column mixing process in an AES algorithm, and is also used in the encryption and decryption process of a private log (character string). The AES algorithm constructed through the method can enable the number of types of attack-resisting capability of one secret key to be the factorial of 2n, and can effectively resist a side channel attack. The power consumption analysis cannot be carried out through a conventional method, thereby achieving the higher confidentiality of the private log.

Description

technical field [0001] The method relates to a transformation method of a traditional AES encryption algorithm in the field of information technology, in particular to an AES private log encryption method based on a reversible logic circuit. Background technique [0002] Advanced Encryption Standard (English: Advanced Encryption Standard, abbreviation: AES) is a block encryption standard adopted by the US federal government. This standard is used to replace the original DES, has been analyzed by many parties and is widely used all over the world. After a five-year selection process, the Advanced Encryption Standard was published by the National Institute of Standards and Technology (NIST) in FIPS PUB197 on November 26, 2001, and became an effective standard on May 26, 2002. In 2006, Advanced Encryption Standard became one of the most popular algorithms in symmetric key encryption. [0003] The block length of AES is fixed at 128 bits, and the key length can be 128, 192 or ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/00H04L9/06
CPCH04L9/002H04L9/0631
Inventor 于立行管致锦马海英程学云杨阳陈昱东李鉴伦陈钰曹凯博
Owner NANTONG UNIVERSITY