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- Title
QUANTUM PROXY GROUP SIGNATURE SCHEME WITH χ-TYPE ENTANGLED STATES.
- Authors
YIN, XUN-RU; MA, WEN-PING; LIU, WEI-YAN
- Abstract
A quantum proxy group signature scheme is proposed with χ-type entangled states. Our scheme combines the properties of group signature and proxy signature. Moreover, the particles in the χ-type state sequence are used to distribute proxy warrants and quantum keys in the initial phase, and then used for quantum signature. Therefore it increases the utilization rate of quantum resources compared with the general quantum signature scheme. Finally, the unconditional security of our scheme is also analyzed.
- Subjects
QUANTUM entanglement; QUANTUM theory; GROUP signatures (Computer security); COMPARATIVE studies; COMPUTER security; DIGITAL signatures
- Publication
International Journal of Quantum Information, 2012, Vol 10, Issue 4, p-1
- ISSN
0219-7499
- Publication type
Article
- DOI
10.1142/S0219749912500414