000 00315nam a2200121Ia 4500
008 240831s9999||||xx |||||||||||||| ||und||
020 _a9788120350458
100 _aGupta, Prakash
245 0 _aCryptography and Network Security
260 _aNew Delhi
_bPHI Learning Pvt Ltd
_c2015
300 _a480p.
942 _yBK
999 _c22769
_d22769