Title	A Lossless Watermarking Scheme for Halftone Image Authentication
Author	Jeng-Shyang Pan, Hao Luo, Zhe-Ming Lu
Citation	Vol. 6  No. 2  pp. 147~151
Keywords	Halftone image, Lossless watermarking, Hash sequence, Image authentication

Title	Novel Authentication Algorithm ? Public Key Based Cryptography in Mobile Phone Systems
Author	Gy?z? G?dor, S?ndor Imre Dr.
Citation	Vol. 6  No. 2  pp. 126~134
Keywords	Authentication, public-key, cryptography, mobile security