000 00491nam a2200181Ia 4500
005 20220426151744.0
008 211115s9999 xx 000 0 und d
020 _a9789332518773
082 _aBV
_bQ4
100 _aStallings,William,
_eAuthor
245 0 _aCryptography and network security :
_cby William Stallings .
250 _a6th ed.
260 _bPearson Education Limited
_c2014
_aUttar Pradesh:
300 _a660p.
650 _aNetwork security
942 _cTB
942 _n0
999 _c76861
_d76861