Coutinho, S.C., The Mathematics of Ciphers: Number theory and RSA Cryptography - Hyderabad : Universities Press, c1999. - xv, 195 p.: [1B] This book is having appendixes 1&21- Square Roots - 1792- Power Algorithm - 180 ISBN: 8173714428 Dewey Class. No.: 005.82 / COU/THE