00526nam a22001217a 4500020002100000082001500021100002500036245006500061260005800126300003300184500005400217650013300271  a8177587749 (pbk)  a005.8bSTA  aStallings, William .  aCryptography and Network Securitybprinciples and practices   aNew DelhibDorling Kindersley (India) Pvt. Ltd.c2007  axvi, 680 p.b: ill.c;24 cm.  aIncludes Appendix ,Glossary, References and index  aData Security vClassical encryption techniques vData encryption standards vNumber theory vKey management vWeb security vFC