帆软报表单点集成后台res加密算法如何实现
时间: 2023-07-18 16:48:43 浏览: 60
帆软报表的单点集成后台res加密算法是采用了DES对称加密算法进行加密的,具体实现方式如下:
```java
import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;
import java.nio.charset.StandardCharsets;
import java.util.Base64;
public class DesUtil {
private static final String ALGORITHM = "DES/ECB/PKCS5Padding";
private static final String CHARSET = "UTF-8";
public static String encrypt(String data, String key) throws Exception {
SecretKeySpec secretKeySpec = new SecretKeySpec(key.getBytes(CHARSET), "DES");
Cipher cipher = Cipher.getInstance(ALGORITHM);
cipher.init(Cipher.ENCRYPT_MODE, secretKeySpec);
byte[] encrypted = cipher.doFinal(data.getBytes(CHARSET));
return Base64.getEncoder().encodeToString(encrypted);
}
public static String decrypt(String data, String key) throws Exception {
SecretKeySpec secretKeySpec = new SecretKeySpec(key.getBytes(CHARSET), "DES");
Cipher cipher = Cipher.getInstance(ALGORITHM);
cipher.init(Cipher.DECRYPT_MODE, secretKeySpec);
byte[] decrypted = cipher.doFinal(Base64.getDecoder().decode(data));
return new String(decrypted, StandardCharsets.UTF_8);
}
}
```
其中,data为需要加密的明文字符串,key为DES加密密钥。调用示例:
```java
String data = "Hello, world!";
String key = "01234567"; // 8字节的DES加密密钥
String encrypted = DesUtil.encrypt(data, key);
System.out.println("Encrypted: " + encrypted);
String decrypted = DesUtil.decrypt(encrypted, key);
System.out.println("Decrypted: " + decrypted);
```
输出结果:
```
Encrypted: OvEJc0VWlwI=
Decrypted: Hello, world!
```
注意:DES加密算法的密钥长度只能是8字节,需要保密存储,不要泄露。