Due to the rapid advancement of quantum computers, there has been a furious race for
quantum technologies in academia and industry. Quantum cryptography is an important tool …

Based on the single-qubit rotations, a quantum public-key designated verifier signature
(DVS) is proposed. In this scheme, a rotation vector is employed as the signatory's secret …

Although the researchers have proposed many arbitrator quantum signature (AQS) for
various applications in practice, the security proof of most AQSs was not strictly presented …

Semi-quantum signature is an important research topic in quantum cryptography. Based on
the Bell states, a semi-quantum signature scheme with arbitrator is proposed. In our scheme …

The contradiction between the growing demand for healthcare and the lack of professional
medical staff urgently needs to be resolved. Healthcare wireless sensor technology is an …

Vehicular ad hoc networks (VANETs) serve as the foundation of intelligent transportation
systems, aiming to improve communication efficiency and safety among vehicles. With the …

Public Key Infrastructure (PKI) is a comprehensive information security framework for
providing secure information and communication over the internet. Its need and use has …

Based on Bell states, a quantum designated verifier signature (QDVS) scheme without a
third party is proposed. In this scheme, the signer and the designated verifier (DV) generate …

Designated verifier signatures are very useful in the applications such as e-voting and
auction. In this paper, an identity-based quantum designated verifier signature (IDQDVS) …

In recent years, data generated by Internet of Things (IoT) devices has become increasingly
massive. The amount of data stored in the cloud is also enormous and needs to be …