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A secure hash function based on feedback iterative structure
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DOI：10.1080/17517575.2018.1564942.png)
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摘要
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Rapid growth of internet data has created enormous security challenges on authenticity, availability and integrity protection of these outsourced data. Hash function is one of the main solutions to face these challenges. This paper proposes a feedback iterative structure of hash function which utilises the variable feedback to resist attacks. Furthermore, to accelerate message diffusion, two novel modules are designed, one for iteration and the other for truncation. Experimental results show that the proposed hash function can effectively resist existing attacks. Moreover, comparing with other existing hash functions, it displays better on statistical performance, collision resistance and avalanche.
Keyword:
Hash function
feedback iterative structure
compression function
collision resistance
avalanche
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