000 00336nam a2200133Ia 4500
008 220201s2021 xx 000 0 eng d
082 _a658.4
_bKAH
100 _aKahate, Atul
245 0 _aCryptography and network security
250 _a4th ed.
260 _bMc Graw-Hill Book Company
_aNew York
_c2021
300 _a452p.
942 _2ddc
999 _c2344
_d2344