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A new chaos mapping hash function structural method and its application

He Ting-Ting Luo Xiao-Shu Liao Zhi-Xian Wei Zheng-Cong

A new chaos mapping hash function structural method and its application

He Ting-Ting, Luo Xiao-Shu, Liao Zhi-Xian, Wei Zheng-Cong
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  • Abstract views:  1887
  • PDF Downloads:  766
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  • Received Date:  25 June 2011
  • Accepted Date:  05 June 2012
  • Published Online:  05 June 2012

A new chaos mapping hash function structural method and its application

  • 1. College of Electronic Engineering, Guangxi Normal University, Guilin 541004, China
Fund Project:  Project supported by the National Natural Science Foudation of China (Grant Nos. 10862001, 10947011) and the Innovation Project of Guangxi Graduate Education, China (Grant Nos. 2010106020809M50, 2011106020809M50).

Abstract: A one-way hash function algorithm is proposed based on the chaos mapping and multiplicative congruential method. The initial value of the system is generated by the pseudo-random sequence which is obtained through the multiplicative congruential method. the normalized ASCII of the plaintext is used as the initial value of the chaos mapping. After a variable-step chaotic digital quantification, 128 bit hash value is extracted from the systems. Theoretical analysis and simulation results show that the proposed method has better characteristics of irreversibility, collision resistance, anti-forgery, initial sensitivity and higher operation speed.

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