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| Measurement Bases Impact on the Security of BB84 Protocol |
| Liu Dan Pei Chang-xing Quan Dong-xiao |
| State Key Lab. of Integrated Services Networks, Xidian Univ., Xi'an 710071, China |
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Abstract The amount of information and the bit error rate caused by eavesdropper are analyzed while the BB84 quantum key distribution protocol is attacked with intercept/resend attack using different measurement bases. The bit error rate threshold that legitimate user used to determine intercept/resend eavesdropping attack is under 15%, and a new standard is provided for secure quantum communications and the detection of eavesdropper.
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Received: 05 February 2010
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Corresponding Authors:
Liu Dan
E-mail: secret_ren@sohu.com
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2011, Vol. 33 
