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mysql分类加密问题,求指点

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2016-06-06 09:39:52951browse

mysql加密数据库

mysql数据库有TDE功能可以进行整体加密,现在假设我有一个数据表,表中有列属性值为a,b,c,d;那么我该如何实现根据这个属性值进行分类加密?
例如表中有3行数据在该属性下的值为a,另外有4行数据在该属性下的值为b,我怎么样才能用不同的密钥加密这两类数据呢?
希望哪位大神能给我讲讲。。。谢谢

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