000			00635nam a2200241Ia 4500
001			56711
005			20250221160200.0
008			250214s9999||||xx |||||||||||||| ||und||
020			_a9788131761663
100			_aStallings, William
245		0	_aCryptography and network security: principles and Practice
250			_a5
260			_aNoida
260			_bDorling Kindersley
260			_c2011
300			_axviii, 454p. : ill.
500			_aIncludes bibliographical references and index
650			_aCryptography
650			_aData encryption
650			_aNetwork security
650			_aSystem security
942			_cBK
999			_c72481 _d72481