A novel keyed parallel hashing scheme based on a new chaotic system
Meysam Asgari Chenaghlu,
Shahram Jamali and
Narjes Nikzad Khasmakhi
Chaos, Solitons & Fractals, 2016, vol. 87, issue C, 216-225
Abstract:
Hash functions play important role in the information security era. Although there are different methods to design these functions, in recent years chaos theory has emerged as a strong solution in this area. Chaotic hash functions use one-dimensional maps such as logistic and tent, or employ complex multi-dimensional maps which are typically insecure or slow and most of them has been successfully attacked. In this paper, we propose a new chaotic system and employ it to design a secure and fast hash function. The improved security factor has roots in the hyper sensitivity of the proposed chaotic map while properties like speed and security can be parameterized. On the other hand, the proposed hash function has a dynamic random array of functions and can be implemented by a parallel architecture. This data-level parallel architecture makes it fast to generate the hash value. Statistical simulations show success of the proposed hashing scheme. Cryptanalysis of proposed function, such as key sensitivity, meet-in-the-middle attack, collision, preimage resistance and high level attacks, proves security of the proposed function.
Keywords: Cryptography; Chaotic system; Keyed hash function; Meet-in-the-middle attack; Crypto-currency; Chaos coin (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (5)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:87:y:2016:i:c:p:216-225
DOI: 10.1016/j.chaos.2016.04.007
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