Short Linkable Ring Signatures for E-Voting, E-Cash and Attestation

  title={Short Linkable Ring Signatures for E-Voting, E-Cash and Attestation},
  author={Patrick P. Tsang and Victor K.-W. Wei},
  booktitle={IACR Cryptology ePrint Archive},
A ring signature scheme can be viewed as a group signature scheme with no anonymity revocation and with simple group setup. A linkable ring signature (LRS) scheme additionally allows anyone to determine if two ring signatures have been signed by the same group member. Recently, Dodis et al. [18] gave a short (constant-sized) ring signature scheme. We extend it to the first short LRS scheme, and reduce its security to a new hardness assumption, the Link Decisional RSA (LDRSA) Assumption. We also… CONTINUE READING
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Short linkable ring signatures for e-voting, e-cash and attestation

  • Patrick P. Tsang, Victor K. Wei
  • Cryptology ePrint Archive,
  • 2004
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