Scalable Arbitrated Quantum Signature of Classical Messages withMulti-Signers

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Communications in Theoretical Physics ›› 2010, Vol. 54 ›› Issue (01) : 84-88.

YANG Yu-Guang,^1,3,4 WANG Yuan,¹ TENG Yi-Wei,¹ CHAI Hai-Ping,¹ and WEN Qiao-Yan²

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Abstract

Unconditionally secure signature is an important part of quantum cryptography. Usually, a signature scheme only provides an environment for a
single signer. Nevertheless, in real applications, many signers may
collaboratively send a message to the verifier and convince the verifier
that the message is actually transmitted by them. In this paper, we give a
scalable arbitrated signature protocol of classical messages with multi-signers. Its security is analyzed and proved to be secure even with a compromised arbitrator.

Key words

arbitrated signature / quantum signature / quantum cryptography

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YANG Yu-Guang,,, WANG Yuan, TENG Yi-Wei, CHAI Hai-Ping, and WEN Qiao-Yan. Scalable Arbitrated Quantum Signature of Classical Messages withMulti-Signers[J]. Communications in Theoretical Physics, 2010, 54(01): 84-88