000			00444nam a2200169Ia 4500
008			230907s9999||||xx |||||||||||||| ||und||
020			_a9781788826341
082			_a005.8 ALE
100			_aAlexander, Joseph
245		0	_aCryptography and network security
260			_aLondon : _bEd Tech Press., _c2019.
300			_axvii, 300 p.
650			_aComputer security
650			_aCryptography
650			_aNetwork security
942			_cEBK
999			_c41502 _d41502