Comment on "A special attack on the multiparty quantum secret sharing of secure direct communication using single photons"

Cheng-An Yen, Shi-Jinn Horng, Hsi-Sheng Goan* +1

In this comment, we show that the special attack [S.-J. Qin, F. Gao, Q.-Y. Wen, F.-C. Zhu, Opt. Commun. 281 (2008) 5472.], which claims to be able to obtain all the transmitted sec…