Identity-Committable Signatures and Their Extension to Group-Oriented Ring Signatures

@inproceedings{Chu2007IdentityCommittableSA,
  title={Identity-Committable Signatures and Their Extension to Group-Oriented Ring Signatures},
  author={Cheng-Kang Chu and Wen-Guey Tzeng},
  booktitle={IACR Cryptology ePrint Archive},
  year={2007}
}
The identity of “Deep Throat”, a pseudonym of the information source in the Watergate scandal, remained mysterious for more than three decades. In 2005, an ex-FBI official claimed that he was the anonymous source. Nevertheless, some are still inconvinced. In this paper, we introduce a new notion of identity-committable signatures (ICS) to ensure the anonymity of “Deep Throat” inside a group. A member of an organization can sign a message on behalf of himself (regular signature) or the… CONTINUE READING

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