000 00258nam a2200097Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aKAHALE, WILLIAM,
245 0 _aCRYPTOGRAPHY & NETWORK SECURITY
260 _bTATA MCGRAW-HILL PUBLISHING
942 _2ddc
_cMCA
999 _c14621
_d14621