000			00422nam a22001577a 4500
003			OSt
008			181108t xxu||||| |||| 00| 0 eng d
082			_a681.324 _bSTA
100			_aStalling, William16649
245			_aCryptography and network security: Principles and practice. Ed.7
250			_aEd.7
260			_bPearson _c2019
300			_a766p.
653			_aCryptography and network security
942			_2ddc _cBK
999			_c353813 _d353813