Journal
QUANTUM INFORMATION PROCESSING
Volume 10, Issue 1, Pages 97-106Publisher
SPRINGER
DOI: 10.1007/s11128-010-0180-3
Keywords
Quantum secret sharing; Quantum cryptography; Quantum information processing; Quantum communication
Funding
- Hong Kong Baptist University [FRG2/08-09/070]
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In a conventional quantum (k, n) threshold scheme, a trusted party shares a secret quantum state with n participants such that any k of those participants can cooperate to recover the original secret, while fewer than k participants obtain no information about the secret. In this paper we show how to construct a quantum (k, n) threshold scheme without the assistance of a trusted party, who generates and distributes shares among the participants. Instead, each participant chooses his private state and contributes the same to the determination of the final secret quantum state.
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