Convertible undeniable partially blind signatures

@article{Huang2005ConvertibleUP,
  title={Convertible undeniable partially blind signatures},
  author={Zhenjie Huang and Zhixiong Chen and Yumin Wang},
  journal={19th International Conference on Advanced Information Networking and Applications (AINA'05) Volume 1 (AINA papers)},
  year={2005},
  volume={1},
  pages={609-614 vol.1}
}
This paper extends the concept of partially blind signature to the convertible undeniable partially blind signature, in which only the signer can verify and confirm the validity of given signatures and convert given signatures into universally verifiable signatures, along with a formal definition for it and a practical scheme that implements it. The proposed scheme is efficient and secure, in which its unforgeability is the same as that of the Schnorr's signature scheme and its… CONTINUE READING