<!-- https://mvnrepository.com/artifact/com.github.ulisesbocchio/jasypt-spring-boot-starter -->
    <dependency>
        <groupId>com.github.ulisesbocchio</groupId>
        <artifactId>jasypt-spring-boot-starter</artifactId>
        <version>3.0.5</version>
    </dependency>

import org.jasypt.properties.PropertyValueEncryptionUtils;
import org.jasypt.util.text.BasicTextEncryptor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Jasypt加密工具類
* @author ppp
* @date 2023/1/5
*/
public class JasyptUtil {
    private static final Logger logger = LoggerFactory.getLogger(JasyptUtil.class);
    /**
     * 加密使用密鑰，需要在和配置文件中的jasypt.encryptor.password保持一致	
     */
    private static final String PRIVATE_KEY = "demo";
    /**
     * BasicTextEncryptor對象初始化使用的算法就是"PBEWithMD5AndDES"
     * 點擊進源碼構(gòu)造方法中就可以看到下面的設(shè)置
     * this.encryptor.setAlgorithm("PBEWithMD5AndDES");
     */
    private static BasicTextEncryptor basicTextEncryptor = new BasicTextEncryptor();

    static {
        basicTextEncryptor.setPassword(PRIVATE_KEY);
    }
    /**
     * 明文加密
     *
     * @param plaintext 明文
     * @return String
     */
    public static String encrypt(String plaintext) {
        logger.info("明文字符串為：{}", plaintext);
        String ciphertext = basicTextEncryptor.encrypt(plaintext);
        logger.info("密文字符串為：{}", ciphertext);
        return ciphertext;
    }

    /**
     * 解密
     *
     * @param ciphertext 密文
     * @return String
     */
    public static String decrypt(String ciphertext) {
        logger.info("密文字符串為：{}", ciphertext);
        ciphertext = "ENC(" + ciphertext + ")";
        if (PropertyValueEncryptionUtils.isEncryptedValue(ciphertext)) {
            String plaintext = PropertyValueEncryptionUtils.decrypt(ciphertext, basicTextEncryptor);
            logger.info("明文字符串為：{}", plaintext);
            return plaintext;
        }
        logger.error("解密失??！");
        return "";
    }

    public static void main(String[] args) {
        String encrypt = encrypt("123456");
        String test = decrypt(encrypt);
    }
}

jasypt:
  encryptor:
    # 指定加密密鑰，生產(chǎn)環(huán)境請放到啟動參數(shù)里面 -Djasypt.encryptor.password=加密密鑰
    password: demo
    # 指定解密算法，需要和加密時使用的算法一致
    algorithm: PBEWithMD5AndDES
    # 指定initialization vector類型
    iv-generator-classname: org.jasypt.iv.NoIvGenerator