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A forward-secure anonymous signature scheme based on ring signature

  • 2013-09-20
  • 160.01KB
  • Points it Requires : 2

Based on the difficulty of modular square root and factorization problems, a forward-secure revocable anonymous signature scheme is proposed using the idea of ​​ring signature. This scheme requires the administrator to cooperate with the signature recipient to track the identity of the signer; the signer can flexibly and actively choose the anonymity range; even if the attacker illegally obtains the user\'s current signing key, he cannot forge the previous signature.

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