000			00459nam a2200157Ia 4500
005			20260205060250.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a005.82 St18C
100			_aStallings,William
245		0	_aCryptography and network security: principles and practices
250			_a4th ed.
260			_aDelhi _bDorling kindersley _c2007
300			_a680p.
690			_aData Security; Computer security; Network security
942			_cBK
999			_c165587 _d165587