000 00284nam a22001337a 4500
003 SGT
082 _a370
_bS15S
100 _aSINHA, PROF. MEGHA
245 _aSECURITY AND CRYPTOGRAPHY
260 _aNEW DELHI
_bAPH PUB
_c2015
300 _a89
650 _aEDUCATION
942 _2ddc
_cBK
999 _c12232
_d12232