000			00548nam a22002057a 4500
003			OSt
008			120731t xxu||||| |||| 00| 0 eng d
020			_a9788131761663
080			_a004.056 _bSTA"2012"
100			_aStallings, William
245			_aCryptography and network security:principles and practices
250			_a5th ed.
260			_aNew Delhi _bPearson _c2012
300			_a743p.
653			_aSymmetric Ciphers
653			_aAsymmetric Ciphers
653			_aInternet security
653			_aSystem security
942			_2ddc _cBK
999			_c87002 _d87002