On Extended Sanitizable Signature Schemes

@inproceedings{Canard2010OnES,
  title={On Extended Sanitizable Signature Schemes},
  author={S{\'e}bastien Canard and Amandine Jambert},
  booktitle={CT-RSA},
  year={2010}
}
Sanitizable signature schemes allow a semi-trusted entity to modify some specific portions of a signed message while keeping a valid signature of the original off-line signer. In this paper, we give a new secure sanitizable signature scheme which is, to the best of our knowledge, the most efficient construction with such a high level of security. We also enhance the Brzuska et al. model on sanitizable signature schemes by adding new features. We thus model the way to limit the set of possible… 
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