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Pseudo-randomness of a generalized self-shrinking sequences

DONG Li-hua;GAO Jun-tao;HU Yu-pu

  

  1. (Research Inst. of Information Security, Xidian Univ., Xi'an 710071, China)
  • Received:1900-01-01 Revised:1900-01-01 Online:2004-06-20 Published:2004-06-20

Abstract: The pseudo-randomness of a class of generalized self-shrinking Sequences are analyzed. It is proved that the least period has 56 cases which reach the maximum(that is 2n-1) among its 64 cases and it has a good low-degree-autocorrelation feature.

Key words: stream cipher, m-sequence, generalized self-shrinking sequences, pseudo-randomness

CLC Number: 

  • TN918.1