00398nam a2200133 a 450000500170000000800410001702000150005804100080007308200130008110000210009424500810011526400580019630000100025420260717092102.0260717s2005    ii            000 0 eng d  a8178087901  aeng04a055.80191 aKaufman, Charlie10aNetwork Security Private Communication in a Public World /cKaufman, Charlie 1aNew Delhi :bPrentice - Hall of India Pvt Ltd,c2005.  a729p.