TY - BOOK AU - Coutinho, S C TI - Mathematics of ciphers : Number theory and RSA cryptography SN - 8173714428 CY - Hyderabad KW - Algorithms -- Information coding KW - Ciphering -- Cryptographic device KW - Cryptography -- KW - Number theory KW - RSA Cryptosystem N1 - Includes bibliographical references and index ER -