Forgery attack on one-time proxy signature and the improvement

Forgery attack on one-time proxy signature and the improvement This paper points out that in Wang and Wei’s scheme (Quantum Inf Process 11:455–463, 2012), an eavesdropper, Eve, can replace the original message of a proxy signature with a forged one of her choice without being detected by the verifier. Accordingly, one of the security requirements of a quantum signature, i.e., unforgeability, may not be satisfied in their scheme. An improvement is given to avoid this attack, and the comparisons with the existing quantum proxy signature are also demonstrated. Quantum Information Processing Springer Journals

Forgery attack on one-time proxy signature and the improvement

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Springer US
Copyright © 2014 by Springer Science+Business Media New York
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
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  • Quantum blind signature based on two-state vector formalism
    Su, Q; Huang, Z; Wen, Q; Li, W
  • One-time proxy signature based on quantum cryptography
    Wang, T-Y; Wei, Z-L

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