000			00420nam a2200157Ia 4500
008			230917s9999||||xx |||||||||||||| ||und||
040			_e189480 _aMAIN
041			_aEnglish
082			_a005.8 S18C(5)
100			_aStallings,William
245		0	_aCryptography and network security: Principles and practices
250			_a5rd ed.
260			_aNew Delhi _bPearson Education _c2011
300			_a743 p.
942			_cBK
999			_c157384 _d157384