One-Way Hash Functions With Changeable Parameters

  title={One-Way Hash Functions With Changeable Parameters},
  author={Tsu-Miin Hsieh and Yi-Shiung Yeh and Chu-Hsing Lin and Ssu-Heng Tuan},
  journal={Inf. Sci.},
In this paper, four new algorithms for improvements of MD5 and SHA-Keyed/Unkeyed MD5 and Keyed/Unkeyed SHA are proposed. We change the mode of ®xed retrieval of the parameters to that of dynamic retrieval of the parameters by applying a mapping between the index phrase and the parameter table. As shown in the experimental result, with 1% degradation of performance, comparing to the original algorithms, dynamic retrieval of parameters can be achieved. We believe that the security can be… CONTINUE READING

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