000			00424nam a2200157Ia 4500
008			230917s9999||||xx |||||||||||||| ||und||
040			_e115220 _aMAIN
041			_aEnglish
082			_a005.8 S18C
100			_aStallings, William
245		0	_aCryptography and network security : Principles and practices
250			_a4th ed.
260			_aNew Delhi _bPearson Education _c2007
300			_axvi, 680 p.
942			_cBK
999			_c141765 _d141765