Introduction to Cryptography

Sahadeo Padhye has a doctorate in Cryptography, and currently working as Associate Professor at Department of Mathematics, Motilal Nehru National Institute of Technology Allahabad, India. His research interests include Public key Cryptography, Elliptic Curve Cryptography, Digital Signatures, Lattice Based Cryptography. He has published many research papers in reputed international journals and conferences in Cryptography.Rajeev A Sahu has a doctorate in Cryptography and currently working as a Post-Doctoral Researcher at Université Libre de Bruxelles, Belgium. He has also worked as an Assistant Professor at C.R. Rao Advanced Institute of Mathematics Statistics & Computer Science, Hyderabad, India. His research interests are Identity-Based Cryptography, Elliptic Curve Cryptography, Digital Signature, Searchable Encryption, Post-Quantum Cryptography on which he has published over two dozen research papers in reputed international journals and conferences in Computer Science and Cryptography.Vishal Saraswat received his Ph.D. in Cryptography from University of Minnesota, Minneapolis, USA and has held regular and visiting positions at a variety of institutions, including IIT Jammu, IIT Hyderabad, ISI Kolkata, Univ. of Hyderabad and AIMSCS, Hyderabad. His research interests include anonymity and privacy, searchable encryption, postquantum crypto, and active and passive cryptanalysis, topics on which he has published several papers in reputed international journals and conferences.

• Preface. Overview of Cryptography. Basic Algebra. Number Theory. Probability and Perfect Secrecy. Complexity Theory. Classical Cryptosystems. Block Ciphers. Hash Function. Public Key Cryptosystem. Digital Signature. Research Directions in Cryptography.