000			00358nam a2200145Ia 4500
008			240125s9999||||xx |||||||||||||| ||und||
020			_a9788178089027
041			_aeng
082			_a005.82 _bT03 STA
100			_aStalling, William
245		0	_aCryptography and network security
250			_a3rd ed.
260			_bPearson _aNew Delhi _c2003
942			_cBK
999			_c27928 _d27928