000			00374nam a2200145 4500
020			_a9789357059718
082			_a005.82 _bSTA-C8
100			_aStallings, William
245			_aCryptography and network security _b: principles and practice
250			_a8
260			_aNoida, UP _bPearson _c2025
300			_a832p.
650			_aCryptography, network secutiry
942			_cBK
999			_c6646 _d6646