假设两个密钥分别是K1和K2,以下(66)是正确使用三重DES加密算法对明文M进行加密的过程。
①使用K1对M进行DES加密得到C1
②使用K1对C1进行DES解密得到C2
③使用K2对C1进行DES解密得到C2
④使用K1对C2进行DES加密得到C3
⑤使用K2对C2进行DES加密得到C3
3DES中的K1=K3,其过程是134。
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( )can help organizations to better understand the information contained within the data and will also help identify the data that is most important to the business and future business decisions.
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