000 00303nam a22001217a 4500
020 _a9788131764527
082 _a005.82
100 _aITL EDUCATION SOLUTIONS
245 _aEXPRESS LEARNING CRYPTOGRAPHY AND NETWORK SECURITY
260 _aNEW DELHI
_bPEARSON
_c2012
300 _aVIII, 188P
942 _cBK
999 _c9071
_d9071