00622cam a22001817a 4500020001500000050002000015100002400035245006700059250001200126260006300138300003700201500002100238650004300259650003900302650001900341650002300360856005700383  a013187316400aTK 5105.59bSTA1 aStallings, William.10aCryptography and network security :bprinciples and practice /  a4th ed.  aUpper Saddle River, N.J. :bPearson/Prentice Hall,cc2006.  axvi, 680 pages :bIllustrations;  aIncludes index.  0aComputer networks - security measures. 0aData encryption (Computer science) 0aCoding theory. 0aComputer security.41uhttp://www.loc.gov/catdir/toc/fy0608/2006276085.html