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Secure hash function based on chaotic tent map with changeable parameter
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作者 Li Yantao Xiao Di Deng Shaojiang 《High Technology Letters》 EI CAS 2012年第1期7-12,共6页
A new algorithm for a novel hash function, based on chaotic tent map with changeable parameter, is proposed and analyzed. The one dimensional and piecewise tent map with changeable parameters decided by the position i... A new algorithm for a novel hash function, based on chaotic tent map with changeable parameter, is proposed and analyzed. The one dimensional and piecewise tent map with changeable parameters decided by the position index of blocked messages is chosen, and blocked massages translated into ASCII code values are employed as the iteration time of the chaotic tent map. The final 128-bit hash value is generated by logical XOR operation on intermediate hash values. Theoretical analysis and computer simulation indicate that the proposed algorithm can satisfy the performance requirements of hash function. 展开更多
关键词 CHAOS the tent map hash function changeable parameter
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