Seung-Soo Shin received a B.S. degree in the department of mathematics, Chungbuk National University. He received an M.S. degree and Ph.D in the department of mathematic, Chungbuk National University. And He received a Ph.D in the department of computer engineering, Chungbuk National University. He is currently working as a professor in the Department of Information Security, Tongmyong University. His research interests also include cryptography, network security, and information security.