LIU Shengli, WENG Jian, CHEN Kefei, LI Xiangxue. A Fully Collusion Resistant Public Key Trace and Revoke Scheme with Dynamic Registration and Revocation[J]. Chinese Journal of Electronics, 2009, 18(2): 347-354.
Citation: LIU Shengli, WENG Jian, CHEN Kefei, LI Xiangxue. A Fully Collusion Resistant Public Key Trace and Revoke Scheme with Dynamic Registration and Revocation[J]. Chinese Journal of Electronics, 2009, 18(2): 347-354.

A Fully Collusion Resistant Public Key Trace and Revoke Scheme with Dynamic Registration and Revocation

  • Received Date: 2007-04-01
  • Rev Recd Date: 2008-11-01
  • Publish Date: 2009-05-25
  • We present a new public key trace and revoke scheme, which is suitable for scenarios where usersneed to join or leave the system frequently. The proposedscheme supports public traceability and dynamic registration and revocation. It is also fully collusion resistantagainst adaptive chosen ciphertext attack, and its provablesecurity is tightly reduced to the Decisional Diffe-Hellman(DDH) assumption in the standard model. No master keyis needed in our scheme, and it allows users to generatepublic/private keys themselves and then submit the public keys to the system. This means that the setup phaseonly involves an authentic channel instead of a secure one.Therefore, our scheme can take advantage of Public key infrastructure (PKI) with Certificate authority (CA) playingthe role of the system center.
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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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