WEN Yamin, ZHANG Fangguo, XU Lingling. Unlinkable Secret Handshakes from MessageRecovery Signature[J]. Chinese Journal of Electronics, 2010, 19(4): 705-709.
Citation: WEN Yamin, ZHANG Fangguo, XU Lingling. Unlinkable Secret Handshakes from MessageRecovery Signature[J]. Chinese Journal of Electronics, 2010, 19(4): 705-709.

Unlinkable Secret Handshakes from MessageRecovery Signature

  • Received Date: 2009-05-01
  • Rev Recd Date: 2010-04-01
  • Publish Date: 2010-11-25
  • Secret handshake scheme allows the membersof a certain organization can anonymously authenticateeach other. In this paper, two Unlinkable secret handshakeschemes (called USH-1 and USH-2) are proposedby using the Message recovery signature (MRS). USH-1 achieves the unlinkability with one-time pseudonyms,whilst USH-2 obtains a strong unlinkability against groupauthority with reusable credentials. The security of USH-1 and USH-2 are reduced to the intractability of DiscreteLogarithm Problem and the k + 1 Square Roots Problem,respectively. Compared with some seminal schemes, bothof our schemes are competitive in the performance.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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