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- Title
Multiparty Quantum Key Agreement Based on Three-Photon Entanglement with Unidirectional Qubit Transmission.
- Authors
Yin, Xun-Ru; Ma, Wen-Ping
- Abstract
A multiparty quantum key agreement protocol based on three-photon entangled states is proposed. In this scheme, the quantum channel between all parties is that of a closed loop, in which the qubit transmission is one-way. Each party can obtain the sum of the other parties' secret key values through the coding rules instead of extracting their private keys. The shared secret key cannot be determined by any subset of all the participants except the universal set and each party makes an equal contribution to the final key. Moreover, the security analysis shows our protocol can resist both outside attacks and inside attacks.
- Subjects
QUANTUM cryptography; QUANTUM entanglement; QUBITS; QUANTUM information science; PHOTONS; DATA transmission systems
- Publication
International Journal of Theoretical Physics, 2019, Vol 58, Issue 2, p631
- ISSN
0020-7748
- Publication type
Article
- DOI
10.1007/s10773-018-3960-7