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BENTHAM SCIENCE PUBLISHERS eBooks

Secure Quantum Proxy Signature Scheme Based on Quantum OWF and Bell Basis

Sudhanshu Shekhar Dubey, Sunil Kumar

Published Dec 25, 2025• 0 citations
Publisher

Abstract

A person is permitted to assign theirsigning rights to another individual through a proxy signature scheme. These systems have been suggested for use in various applications, particularly in distributed computing.. In the current study, a novel quantum proxy signature mechanism is proposed, by using quantum one-way function (OWF) and EPR quantum entanglement. Quantum OWF can be determined in polynomial time, but it is difficult to invert them in polynomial time. This system's unconditional protection is ensured by the quantum key distribution, OWF and onetime-pad encryption algorithm.

DOI
10.2174/9798898813246125010018

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A person is permitted to assign theirsigning rights to another individual through a proxy signature scheme. These systems have been suggested for use in various applications, particularly in distributed computing.. In the current study, a novel quantum proxy signature mechanism is proposed, by using quantum one-way function (OWF) and EPR quantum entanglement. Quantum OWF can be determined in polynomial time, but it is difficult to invert them in polynomial time. This system's unconditional protection is ensured by the quantum key distribution, OWF and onetime-pad encryption algorithm.
This paper presented a quantum proxy signature scheme which allowed users to obtain the signature and verify of a quantum bit sequence by using the entanglement characteristic of the EPR state and the way of classical encode.In this new scheme,the original signer could delegate his or her signing rights to proxy signer.Guaranteed the unconditionally security of this scheme by quantum key distribution and one time pad.Results show that this new scheme satisfy non-counterfeit,non-disavowal and traceability.
Proxy signature is a special signature which provided the signer can delegate his signing capability to others.The proxy signature provides that the original signer can delegate his signing permission to a proxy signer, and the proxy signer can replace the original signer to sign the message.In this paper, we propose a proxy signature scheme based on ideas from classical proxy signature schemes and quantum cryptography.The scheme is implemented by Bell states and a symmetrical quantum key cryptosystem.Compile with classical proxy signature schemes, the new scheme can guarantee the security by using quantum key distribution and one-time pads.And it also can prove that the scheme have the characteristics of non-counterfeit, non-disavowal and traceability.Furthermore, the new scheme uses a special quantum encryption to ensure the receiver cannot forge the signature.The validity of the new scheme can be verified, and it is a secure proxy signature scheme.
A quantum proxy group signature (QPGS) scheme based on controlled teleportation is presented, by using the entangled five-qubit quantum state functions as quantum channel. The scheme uses the physical characteristics of quantum mechanics to implement delegation, signature and verification. The security of the scheme is guaranteed by the entanglement correlations of the entangled five-qubit state, the secret keys based on the quantum key distribution (QKD) and the one-time pad algorithm, all of which have been proven to be unconditionally secure and the signature anonymity.
A quantum digital signature scheme based on quantum mechanics is proposed in this paper. The security of the protocol relies on the existence of quantum one-way functions by fundamental quantum principles. Our protocol involves a so-called arbitrator who validates and authenticates the signed message. This scheme uses public quantum keys publicized by the signatory to verify the validity of the signature and uses quantum one-time pad to ensure the security of quantum information on channel. To guarantee the authenticity of the transmitted quantum states, a family of quantum stabilizer code is employed. The proposed scheme presents a novel method to construct secure quantum signature systems for future secure communications
A quantum proxy multi-signature scheme is presented based on controlled teleportation.We choose four-particle-cluster state as the quantum channel,use the physical characteristics of controlled quantum teleportation to implement delegation,signature and verification,and adopt quantum key distribution and one-time pad in our scheme.Different from the classical proxy multi-signature schemes based on computing complexity,its security is not influenced by the computational resource of attackers,that is,it has unconditional security.