000			00355nam a2200133Ia 4500
008			220217s9999||||xx |||||||||||||| ||und||
020			_a0-07-049483-5
082			_a004.6 KAH
100			_aKahate, Atul
245		0	_aCryptography and network security
260			_aTata mcgraw hill _bNew Delhi _c2004
300			_b250
650			_aCOMPUTER NETWORK
999			_c173083 _d173083