TY - BOOK AU - Stallings,William TI - Cryptography and network security: principles and practice SN - 0131115022 U1 - 005.8 21 PY - 2003/// CY - Upper Saddle River, N.J. PB - Prentice Hall KW - Computer networks KW - Security measures KW - Data encryption (Computer science) KW - Coding theory KW - Computer security N1 - Includes bibliographical references and index ER -