DIBYENDU ROY is a postdoctoral research fellow at the Indian Statistical Institute, Kolkata, India. He obtained his Ph.D. and M.Sc. in Mathematics from the Indian Institute of Technology Kharagpur, India. Earlier, he was a consultant at ERTL (E), STQC, Kolkata, India, and worked in the domain of security analysis. He was also a postdoctoral fellow at the National Institute of Science Education and Research, India, for two years. His primary research area is cryptology, more specifically the domain of symmetric ciphers. His research articles have been published in journals of repute.
SUBHAMOY MAITRA is Professor at the Indian Statistical Institute (ISI), Kolkata, India. He received his Ph.D. in computer science from the ISI, Kolkata. He holds a postgraduate degree in computer science from the ISI, Kolkata, and undergraduate degree in electronics and telecommunications engineering from Jadavpur University, Kolkata, India. After working briefly in the domain of hardware and software engineering, he joined theISI, Kolkata, as a faculty in 1997. He has authored several books and around 200 research papers in various fields of cryptology and quantum information.