00346nam a2200133Ia 4500008004100000041001200041082002100053100003600074245002700110250001200137260002500149300001100174650002700185231217s9999    xx            000 0 und d  aEnglish  a001.64404  FER;5  aFerguson, Niels Schneier, Bruce 0aPractical cryptography  a1st ed.  c2003bPHIaNew Delhi  axx+410  aPractical,cryptography