ISBN-13: 9783659692871 / Angielski / Miękka / 2015 / 64 str.
this text attempts to provide a simple explanation about concepts of encryption and decryption.the book have been designed as a self study material for students of all disciplines studying in engineering colleges. DEDICATED TO MY PARENTS K.RAMACHANDRAN AND PANJAVARNAM BROTHER ARAVINDAN AND SARAVANAKUMAR AND THEIR SON ABIYAS AND DAUGHTER JENIFAR AND PRICILLA I thank my wife Angelin Peace Preethi for her constant encouragement and valuable suggestions.I thank my just born daughter Jessey Izabella for allowing to complete this work by entertaining me. FINALLY I THANK MY FRIENDS AND STUDENT COMMUNITY FOR THEIR CONSTANT ENCOURAGEMENT.