000			00421nam a2200157Ia 4500
008			230917s9999||||xx |||||||||||||| ||und||
040			_e229169 _aMAIN
041			_aEnglish
082			_a005.8 S18C(6)
100			_aStallings,William
245		0	_aCryptography and network security : Principles and practices
250			_a6th ed.
260			_aNew Delhi _bPearson Education _c2014
300			_a660 p.
942			_cBK
999			_c180218 _d180218