000			00425nam a2200157Ia 4500
008			220501s2003 xx 000 0 eng d
020			_a9.7800704948e+012
082			_a5.82 _bCRY/KAH
100			_aATUL KAHATE
245		0	_aCRYPTOGRAPHY AND NETWORK SECURITY
260			_aNEW DELHI _bTATA MCGRAW-HILL _c2003
653			_aPASSWORDS
653			_aTHE NEED FOR SECURITY
653			_aTRANSPOSITION TECHNIQUES
942			_2ddc _cBK
999			_c316 _d316