Quantum asymmetric cryptography with symmetric keys

  title={Quantum asymmetric cryptography with symmetric keys},
  author={F. Gao and Q. Wen and Su-Juan Qin and F. Zhu},
  journal={Science in China Series G: Physics, Mechanics and Astronomy},
  • F. Gao, Q. Wen, +1 author F. Zhu
  • Published 2009
  • Computer Science, Physics
  • Science in China Series G: Physics, Mechanics and Astronomy
  • Based on quantum encryption, we present a new idea for quantum public-key cryptography (QPKC) and construct a whole theoretical framework of a QPKC system. We show that the quantum-mechanical nature renders it feasible and reasonable to use symmetric keys in such a scheme, which is quite different from that in conventional public-key cryptography. The security of our scheme is analyzed and some features are discussed. Furthermore, the state-estimation attack to a prior QPKC scheme is… CONTINUE READING
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