arxiv: Computer Science::Cryptography and Security
The proposed eavesdropping scheme reveals that the quantum communication protocol recently presented by Bostrom and Felbinger [Phys. Rev. Lett. 89, 187902 (2002)] is not secure as far as quantum channel losses are taken into account.
 C.H. Bennett and G. Brassard, Proceedings of the IEEE International Conference on Computers, Systems, and Signal Processing, Bangalore (IEEE, New York, 1984), pp.175-179  N. Gisin, G. Ribordy, W. Tittel, H. Zbinden, Rev. Mod. Phys. 74, 145 (2002)  K. Bostr÷m and T. Felbinger, Phys. Rev. Lett. 89, 187902 (2002)  G. Brassard, N. Lýtkenhaus, T. Mor and B. C. Sanders, Phys. Rev. Lett. 85, 1330 (2000)  M. Hendrych, M. Dusek, R. Filip and J. Fiurasek, quant-ph/0208091  D. Stucki et al., New J. Phys. 4, 41 (2002)  R. J. Hughes, J. E. Nordholt, D. Derkacs and C. G. Peterson, New J. Phys. 4, 43 (2002)  C. Kurtsiefer et al. Nature 419, 450 (2002)