Mathematical cryptanalysis of “personalized information encryption using ECG signals with chaotic functions”

M. Gencoglu
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引用次数: 1

Abstract

The chaotic system and cryptography have some common features. Due to the close relationship between chaotic system and cryptosystem, researchers try to combine the chaotic system with cryptosystem. In this study, security analysis of an encryption algorithm which aims to encrypt the data with ECG signals and chaotic functions was performed using the Logistic map in text encryption and Henon map in image encryption. In the proposed algorithm, text and image data can be encrypted at the same time. In addition, ECG signals are used to determine the initial conditions and control parameters of the chaotic functions used in the algorithm to personalize of the encryption algorithm. In this cryptanalysis study, the inadequacy of the mentioned process and the weaknesses of the proposed method have been determined. Encryption algorithm has not sufficient capacity to provide necessary security level of key space and secret key can be obtained with only one plaintext/ciphertext pair with chosen-plaintext attack.
“利用具有混沌函数的心电信号进行个性化信息加密”的数学密码分析
混沌系统和密码学有一些共同的特点。由于混沌系统与密码系统之间的密切关系,研究者试图将混沌系统与密码系统结合起来。本文利用文本加密中的Logistic映射和图像加密中的Henon映射,对心电信号和混沌函数数据进行加密算法的安全性分析。在该算法中,文本和图像数据可以同时加密。此外,利用心电信号确定算法中使用的混沌函数的初始条件和控制参数,实现加密算法的个性化。在这项密码分析研究中,已经确定了上述过程的不足之处和所提出方法的弱点。加密算法没有足够的能力提供必要的密钥空间安全级别,选择明文攻击只能通过一个明文/密文对获得秘密密钥。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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