000 00297nam a22001337a 4500
020 _a9781259029882
082 _a005.82
100 _aATUL KAHATE
245 _aCRYPTOGRAPHY AND NETWORK SECURITY
250 _a3 RD
260 _aNEW DELHI
_bPEARSON
_c2013
300 _aXXII, 501P
942 _cBK
999 _c8333
_d8333