On “Arbitrated quantum signature of classical messages against collective amplitude damping noise”

This study points out that a dishonest party in Yang and Wen's arbitrated quantum signature scheme [Opt. Comm. 283, (2010) 3198–3201] can reveal the other party's secret key without being detected by using the Trojan-horse attacks. Accordingly, the security requirements of a quantum signat...

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Bibliographic Details
Published in:Optics communications 2011-02, Vol.284 (3), p.893-895
Main Authors: Chong, Song-Kong, Luo, Yi-Ping, Hwang, Tzonelih
Format: Article
Language:English
Subjects:
Amplitudes
Arbitrated quantum signature
Arbitration
Bulging
Classical and quantum physics: mechanics and fields
Damping
Exact sciences and technology
Messages
Noise
Physics
Quantum cryptography
Quantum information
Security
Signatures
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Summary:This study points out that a dishonest party in Yang and Wen's arbitrated quantum signature scheme [Opt. Comm. 283, (2010) 3198–3201] can reveal the other party's secret key without being detected by using the Trojan-horse attacks. Accordingly, the security requirements of a quantum signature, i.e. unforgeability and undeniability, may not be satisfied in their scheme.
ISSN:0030-4018
1873-0310
DOI:10.1016/j.optcom.2010.09.080