TY - BOOK AU - Stallings,William TI - Cryptography and network security: principles and practice SN - 9788120330184 (pbk.) U1 - 005.8 PY - 2008/// CY - New Delhi PB - Prentice Hall of India KW - Computer networks KW - Security measures KW - Data encryption (Computer science) KW - Coding theory KW - Computer security N1 - "Eastern economy edition"--Cover; Includes bibliographical references and index ER -