Efficient Verifiable Ring Encryption for Ad Hoc Groups

  title={Efficient Verifiable Ring Encryption for Ad Hoc Groups},
  author={Joseph K. Liu and Patrick P. Tsang and Duncan S. Wong},
We propose an efficient Verifiable Ring Encryption (VRE) for ad hoc groups. VRE is a kind of verifiable encryption [16,1,4,2,8] in which it can be publicly verified that there exists at least one user, out of a designated group of n users, who can decrypt the encrypted message, while the semantic security of the message and the anonymity of the actual decryptor can be maintained. This concept was first proposed in [10] in the name of Custodian-Hiding Verifiable Encryption. However, their… CONTINUE READING

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