000 00429nam a2200145Ia 4500
008 180713s9999 xx 000 0 und d
082 _a005.8 G1
100 _a"Gupta, Prakash C "
245 0 _aCryptography and Network Security
260 _aNew Delhi
260 _b Phi Learning Pvt Ltd
260 _c2015
365 _b450
942 _cBK
999 _c116773
_d116773