00267nam a2200109Ia 4500008004100000041001200041082001100053245006000064250000900124260001600133650000800149221030s9999    xx            000 0 und d  aEnglish  a105.23 0aEncryption  Decryption  Data  Communicationcsuhaid/269  a2005  aJAMMUc2005  aECE