On the Difficulty of Software Key Escrow

@inproceedings{Knudsen1996OnTD,
  title={On the Difficulty of Software Key Escrow},
  author={Lars R. Knudsen and Torben P. Pedersen},
  booktitle={EUROCRYPT},
  year={1996}
}
At Eurocrypt'95, Desmedt suggested a scheme which allows individuals to en-crypt in such a way that the receiver can be traced by an authority having additional information. This paper shows that the proposed scheme does not have the required properties, by devising three non-speciied protocols misleading the authority. We also discuss how to repair Desmedt's scheme, such that our attacks are no longer possible. However, by allowing slightly more general, but absolutely realistic attacks also… CONTINUE READING

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