配置文件加密（Jasypt的简单使用）

<dependency>
    <groupId>com.github.ulisesbocchio</groupId>
    <artifactId>jasypt-spring-boot-starter</artifactId>
    <version>2.0.0</version>
</dependency>

package com.keafmd.springdemo.utils;
import org.jasypt.encryption.pbe.PooledPBEStringEncryptor;
import org.jasypt.encryption.pbe.StandardPBEByteEncryptor;
import org.jasypt.encryption.pbe.config.SimpleStringPBEConfig;
/**
 * Keafmd
 *
 * @ClassName: JasyptUtils
 * @Description:
 * @author: 牛哄哄的柯南
 * @date: 2022-04-25 11:18
 */
public class JasyptUtils {
    /**
     * Jasypt生成加密结果
     *
     * @param password 配置文件中设定的加密密码 jasypt.encryptor.password
     * @param value    待加密值
     * @return
     */
    public static String encryptPwd(String password, String value) {
        PooledPBEStringEncryptor encryptOr = new PooledPBEStringEncryptor();
        encryptOr.setConfig(cryptOr(password));
        String result = encryptOr.encrypt(value);
        return result;
    }
    /**
     * 解密
     *
     * @param password 配置文件中设定的加密密码 jasypt.encryptor.password
     * @param value    待解密密文
     * @return
     */
    public static String decyptPwd(String password, String value) {
        PooledPBEStringEncryptor encryptOr = new PooledPBEStringEncryptor();
        encryptOr.setConfig(cryptOr(password));
        String result = encryptOr.decrypt(value);
        return result;
    }
    /**
     * @param password salt
     * @return
     */
    public static SimpleStringPBEConfig cryptOr(String password) {
        SimpleStringPBEConfig config = new SimpleStringPBEConfig();
        config.setPassword(password);
        config.setAlgorithm(StandardPBEByteEncryptor.DEFAULT_ALGORITHM);
        config.setKeyObtentionIterations("1000");
        config.setPoolSize("1");
        config.setProviderName(null);
        config.setSaltGeneratorClassName("org.jasypt.salt.RandomSaltGenerator");
        config.setStringOutputType("base64");
        return config;
    }
    public static void main(String[] args) {
        // 加密
        // 盐值替换成自己熟悉的口令，此口令为解密密钥，需要妥善保管。
        // 盐值也需要在第三步写入配置文件
        System.out.println(encryptPwd("keafmd", "123456"));
    }
}

# 连接数据源
spring:
  datasource:
    username: root
    password: ENC(aXcmM77CmYgj67mBxQgI2A==)
    url: jdbc:mysql://XXXX:XX/tt?useUnicode=true&characterEncoding=UTF-8&useSSL=false
jasypt:
  encryptor:
    password: keafmd