SecretKeySpec key = new SecretKeySpec(enCodeFormat, "AES");转为文本
时间: 2024-03-04 13:54:08 浏览: 95
SecretKeySpec对象可以通过序列化和反序列化转换为文本格式。以下是一个示例代码:
```
import java.io.*;
import javax.crypto.spec.SecretKeySpec;
public class SecretKeySpecSerialization {
public static void main(String[] args) {
// 将SecretKeySpec对象序列化为文本
String filename = "secretkey.ser";
SecretKeySpec key = new SecretKeySpec(new byte[] {1, 2, 3, 4, 5, 6, 7, 8}, "AES");
try {
FileOutputStream fileOut = new FileOutputStream(filename);
ObjectOutputStream out = new ObjectOutputStream(fileOut);
out.writeObject(key);
out.close();
fileOut.close();
System.out.println("Serialized SecretKeySpec object is saved in " + filename + ".");
} catch (IOException i) {
i.printStackTrace();
}
// 将文本反序列化为SecretKeySpec对象
try {
FileInputStream fileIn = new FileInputStream(filename);
ObjectInputStream in = new ObjectInputStream(fileIn);
key = (SecretKeySpec) in.readObject();
in.close();
fileIn.close();
System.out.println("Deserialized SecretKeySpec object is:");
System.out.println(key);
} catch (IOException i) {
i.printStackTrace();
return;
} catch (ClassNotFoundException c) {
System.out.println("SecretKeySpec class not found");
c.printStackTrace();
return;
}
}
}
```
在这个示例代码中,首先创建一个SecretKeySpec对象并将其序列化为文本并保存到文件中,然后将文件中的文本反序列化为SecretKeySpec对象并输出。输出结果的格式为:
```
javax.crypto.spec.SecretKeySpec@<hashcode>
```
其中,<hashcode>是对象的哈希码。
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