crypto Js/Java 加解密

js部分

const CryptoJs = require("crypto-js");

const KEY = 'QHilvk7D3Phq766h';

/**
 * 加密（需要先加载lib/aes/aes.min.js文件）
 * @param word
 * @returns {*}
 */
function encrypt(word) {
    
    
    if (!word || word.trim().length == 0) return "";
    var key = CryptoJs.enc.Utf8.parse(KEY);
    var srcs = CryptoJs.enc.Utf8.parse(word);
    var encrypted = CryptoJs.AES.encrypt(srcs, key, {
    
    
        mode: CryptoJs.mode.ECB,
        padding: CryptoJs.pad.Pkcs7
    });
    return encrypted.toString();
}

/**
 * 解密
 * @param word
 * @returns {*}
 */
function decrypt(word) {
    
    
    if (!word || word.trim().length == 0) return "";
    var key = CryptoJs.enc.Utf8.parse(KEY);
    var decrypt = CryptoJs.AES.decrypt(word, key, {
    
    
        mode: CryptoJs.mode.ECB,
        padding: CryptoJs.pad.Pkcs7
    });
    return CryptoJs.enc.Utf8.stringify(decrypt).toString();
}

console.log(encrypt('123456'))
// SreF/WI0R+n5jNLUJSyeTA==
module.exports = {
    
    
    encrypt,
    decrypt


}

Java 部分

import org.apache.commons.codec.binary.Base64;
import org.apache.commons.lang3.StringUtils;
import sun.misc.BASE64Decoder;

import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.spec.SecretKeySpec;
import java.math.BigInteger;

/**
 * AES的加密和解密
 *
 * @author libo
 */
public class Aes {
    
    

    //密钥 (需要前端和后端保持一致) 千万不要修改！！！
    private static final String KEY = "QHilvk7D3Phq766h";
    //算法
    private static final String ALGORITHMSTR = "AES/ECB/PKCS5Padding";

    private static final String CHARSET = "utf-8";

    /**
     * aes解密
     *
     * @param encrypt 内容
     * @return
     * @throws Exception
     */
    public static String aesDecrypt(String encrypt) {
    
    
        try {
    
    
            return aesDecrypt(encrypt, KEY);
        } catch (Exception e) {
    
    
            e.printStackTrace();
            return "";
        }
    }

    /**
     * aes加密
     *
     * @param content
     * @return
     * @throws Exception
     */
    public static String aesEncrypt(String content) {
    
    
        try {
    
    
            return aesEncrypt(content, KEY);
        } catch (Exception e) {
    
    
            e.printStackTrace();
            return "";
        }
    }

    /**
     * 将byte[]转为各种进制的字符串
     *
     * @param bytes byte[]
     * @param radix 可以转换进制的范围，从Character.MIN_RADIX到Character.MAX_RADIX，超出范围后变为10进制
     * @return 转换后的字符串
     */
    public static String binary(byte[] bytes, int radix) {
    
    
        return new BigInteger(1, bytes).toString(radix);// 这里的1代表正数
    }

    /**
     * base 64 encode
     *
     * @param bytes 待编码的byte[]
     * @return 编码后的base 64 code
     */
    public static String base64Encode(byte[] bytes) {
    
    
        return Base64.encodeBase64String(bytes);
    }

    /**
     * base 64 decode
     *
     * @param base64Code 待解码的base 64 code
     * @return 解码后的byte[]
     * @throws Exception
     */
    public static byte[] base64Decode(String base64Code) throws Exception {
    
    
        return StringUtils.isEmpty(base64Code) ? null : new BASE64Decoder().decodeBuffer(base64Code);
    }


    /**
     * AES加密
     *
     * @param content    待加密的内容
     * @param encryptKey 加密密钥
     * @return 加密后的byte[]
     * @throws Exception
     */
    public static byte[] aesEncryptToBytes(String content, String encryptKey) throws Exception {
    
    
        KeyGenerator kgen = KeyGenerator.getInstance("AES");
        kgen.init(128);
        Cipher cipher = Cipher.getInstance(ALGORITHMSTR);
        cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(encryptKey.getBytes(), "AES"));

        return cipher.doFinal(content.getBytes(CHARSET));
    }


    /**
     * AES加密为base 64 code
     *
     * @param content    待加密的内容
     * @param encryptKey 加密密钥
     * @return 加密后的base 64 code
     * @throws Exception
     */
    public static String aesEncrypt(String content, String encryptKey) throws Exception {
    
    
        return base64Encode(aesEncryptToBytes(content, encryptKey));
    }

    /**
     * AES解密
     *
     * @param encryptBytes 待解密的byte[]
     * @param decryptKey   解密密钥
     * @return 解密后的String
     * @throws Exception
     */
    public static String aesDecryptByBytes(byte[] encryptBytes, String decryptKey) throws Exception {
    
    
        KeyGenerator kgen = KeyGenerator.getInstance("AES");
        kgen.init(128);

        Cipher cipher = Cipher.getInstance(ALGORITHMSTR);
        cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(decryptKey.getBytes(), "AES"));
        byte[] decryptBytes = cipher.doFinal(encryptBytes);
        return new String(decryptBytes, CHARSET);
    }


    /**
     * 将base 64 code AES解密
     *
     * @param encryptStr 待解密的base 64 code
     * @param decryptKey 解密密钥
     * @return 解密后的string
     * @throws Exception
     */
    public static String aesDecrypt(String encryptStr, String decryptKey) throws Exception {
    
    
        return StringUtils.isEmpty(encryptStr) ? null : aesDecryptByBytes(base64Decode(encryptStr), decryptKey);
    }

    /**
     * 测试
     */
    public static void main(String[] args) throws Exception {
    
    
        String content = "INSERT INTO teacher_9(name,age,gender) VALUES  (\"zhangsan\",25,\"男\")";
        System.out.println("加密前：" + content);
        System.out.println("加密密钥和解密密钥：" + KEY);
        String encrypt = aesEncrypt(content, KEY);
        System.out.println("加密后：" + encrypt);
        encrypt = "SreF/WI0R+n5jNLUJSyeTA==";
        String decrypt = aesDecrypt(encrypt, KEY);
        System.out.println("解密后：" + decrypt);
        // 123456
    }
}