Revocable Quantum Timed-Release Encryption

@article{Unruh2013RevocableQT,
  title={Revocable Quantum Timed-Release Encryption},
  author={Dominique Unruh},
  journal={J. ACM},
  year={2013},
  volume={62},
  pages={49:1-49:76}
}
Timed-release encryption is a kind of encryption scheme in which a recipient can decrypt only after a specified amount of time T (assuming that we have a moderately precise estimate of his computing power). A revocable timed-release encryption is one where, before the time T is over, the sender can “give back” the timed-release encryption, provably loosing all access to the data. We show that revocable timed-release encryption without trusted parties is possible using quantum cryptography… CONTINUE READING

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