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Original file line number Diff line number Diff line change
Expand Up @@ -499,7 +499,7 @@ public class DesDemo {

- **这种算法是在DES算法的基础上发展出来的,类似于三重DES。**
- **发展IDEA也是因为感到DES具有密钥太短等缺点。**
- **DEA的密钥为128位,这么长的密钥在今后若干年内应该是安全的。**
- **IDEA的密钥为128位,这么长的密钥在今后若干年内应该是安全的。**
- **在实际项目中用到的很少了解即可。**

#### 代码实现:
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