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Threshold signature scheme resistant to collusion attacks

  • 2013-09-21
  • 117.41KB
  • Points it Requires : 2

Threshold signature is a special and important digital signature. However, in the existing threshold signature scheme, collusion attack has always been a difficult problem to solve. This paper analyzes the security of the existing threshold signature scheme that resists collusion attack, points out the defects of the scheme, and gives some heuristic ideas and methods on how to resist collusion attack based on the existing threshold signature system. Keywords: cryptography; threshold signature; collusion attack

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