Quantum Key Distribution Based on Private States: Unconditional Security Over Untrusted Channels With Zero Quantum Capacity.

Karol Horodecki Michal Horodecki Pawel Horodecki Debbie W. Leung Jonathan Oppenheim Quantum Key Distribution Based on Private States: Unconditional Security Over Untrusted Channels With Zero Quantum Capacity. 2604-2620 2008 54 IEEE Transactions on Information Theory 6 http://dx.doi.org/10.1109/TIT.2008.921870 db/journals/tit/tit54.html#HorodeckiHHLO08