Journal
SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY
Volume 52, Issue 8, Pages 1191-1202Publisher
SCIENCE PRESS
DOI: 10.1007/s11433-009-0157-3
Keywords
quantum secret sharing; security; EPR pairs
Categories
Funding
- National Natural Science Foundation of China [10671054]
- Science and Technology Research of Education Ministry of China [207011]
- Natural Science Foundation of Hebei Province, China [07M006, F2009000311]
Ask authors/readers for more resources
A quantum secret sharing scheme between an m-party group and an n-party group is proposed using three conjugate bases. A sequence of single photons, each of which is prepared in one of the six states, is used directly to encode classical information in the quantum secret sharing process. In this scheme, each of all m members in group 1 chooses randomly his/her own secret key individually and independently, and directly encodes his/her respective secret information on the states of single photons via unitary operations, then the last one sends 1/n of the resulting qubits to each member of group 2. By measuring their respective qubits, all members in group 2 share the secret information shared by all members in group 1. It renders impossible a Trojan horse attack with a multi-photon signal, a fake-signal attack with EPR pairs, an attack with single photons, and an attack with invisible photons. We give the upper bounds on the average success probabilities for dishonest agent eavesdropping encryption using the fake-signal attack with any two-particle entangled states.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available