000 00271nam a2200109Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aFOROUZAN (B.A.) & MUKHOPADHYAY
245 0 _aCRYPTOGRAPHY & NETWORK SECURITY
250 _a3RD
260 _bMCGRAW HILL
942 _2ddc
999 _c99775
_d99775