000			00323nam a22001337a 4500
999			_c1581 _d1581
020			_a9789332585225
082			_a005.8 _bSTA
100			_aStallings, William
245			_aCryptography and Network Security : Principles and Practice
250			_a7th ed.
260			_aNoida _bPearson _c2019
300			_a766p.
942			_cBK