1.使用環(huán)境

springboot:2.1.4.RELEASE
JDK:8
jasypt-spring-boot-starter:3.0.2
Jasypt默認(rèn)算法為PBEWithMD5AndDES，該算法需要一個(gè)加密密鑰，可以在應(yīng)用啟動(dòng)時(shí)指定(環(huán)境變量)。也可以直接寫(xiě)入配置文件

2.引入依賴

!-- 配置文件加密 -->
<dependency>
    <groupId>com.github.ulisesbocchio</groupId>
    <artifactId>jasypt-spring-boot-starter</artifactId>
    <version>3.0.2</version>
</dependency>


<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
    <groupId>org.mybatis.spring.boot</groupId>
    <artifactId>mybatis-spring-boot-starter</artifactId>
    <version>2.0.1</version>
</dependency>
<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>8.0.33</version>
</dependency>

<dependency>
    <groupId>org.projectlombok</groupId>
    <artifactId>lombok</artifactId>
    <optional>true</optional>
</dependency>
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-test</artifactId>
    <scope>test</scope>
</dependency>

3.加密方式

3.1 application.properties配置文件版

server.port=8080

### mybatis
mybatis.mapper-locations=classpath:mapper/*.xml
mybatis.type-aliases-package=com.xx.xx  

### xxl-job, datasource
spring.datasource.url=jdbc:mysql://127.0.0.1:3306/xxx?useUnicode=true&characterEncoding=UTF-8&autoReconnect=true&serverTimezone=Asia/Shanghai
spring.datasource.username=root
spring.datasource.password=ENC(jGfd15IFYKMjMW5bUYp06BQ8OCdHTXi3zbD4j9tw6U3PPvvA5GS8zn10kgVmgxXY)
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver

#加密鹽值，獲取加密后的值后刪除，在vmOptions配置(如下圖)
jasypt.encryptor.password=123adf

@SpringBootTest
@RunWith(SpringRunner.class)
public class D2ApplicationTests {

    @Resource
    private StringEncryptor jasyptStringEncryptor;
    @Test
    public void contextLoads() {
       String pwd =  jasyptStringEncryptor.encrypt("root");
        System.out.println("pwd:" + pwd);
    }

}

加密后，可刪除jasypt.encryptor.password配置；發(fā)版時(shí)可在命令行中配置

3.2 函數(shù)版

// 創(chuàng)建加密對(duì)象，默認(rèn) PBEWithMD5AndDES
BasicTextEncryptor textEncryptor = new BasicTextEncryptor();
// 加密所需的密鑰
textEncryptor.setPassword("password");
// 加密后的數(shù)據(jù)（數(shù)據(jù)庫(kù)的用戶名或密碼）
String encData = textEncryptor.encrypt("Password@1");
// 解密后的數(shù)據(jù)（原數(shù)據(jù)）
String decData = textEncryptor.decrypt(encData);
System.out.println("encData: " + encData);
System.out.println("decData: " + decData);

4.所遇問(wèn)題

org.jasypt.exceptions.EncryptionOperationNotPossibleException:
Encryption raised an exception.
A possible cause is you are using strong encryption algorithms and you have not 
installed the Java Cryptography Extension (JCE) Unlimited Strength 
Jurisdiction Policy Files in this Java Virtual Machine

解決方案：java密碼擴(kuò)展無(wú)限制權(quán)限策略文件安裝–jce_policy安裝
文件下載地址：
下面為下載鏈接

JDK 1.7–jce安裝地址：JDK1.7 -jce地址

JDK 1.8–jce安裝地址：JDK 1.8–jce安裝地址

相關(guān)文件來(lái)自于博客：https://www.cnblogs.com/zgngg/p/13859299.html) 感謝博主：瘋狂的⑨醬 的無(wú)私奉獻(xiàn)

jar配置路徑：
JDK：將兩個(gè)jar文件放到%JDK_HOME%\jre\lib\security下
JRE：將兩個(gè)jar文件放到%JRE_HOME%\lib\security下文章來(lái)源地址http://www.zghlxwxcb.cn/news/detail-610088.html

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