博客

package com.topnet.utils;

import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import org.apache.commons.codec.binary.Hex;
import org.bouncycastle.jce.provider.BouncyCastleProvider;

import java.security.Security;

public class TripleDESNew {

    //支持PKCS7Padding、默认只支持PKCS5Padding
    static {
        if (Security.getProvider("BC") == null) {
            Security.addProvider(new BouncyCastleProvider());
        } else {
            Security.removeProvider("BC");
            Security.addProvider(new BouncyCastleProvider());
        }
    }

    // 加密
    public static String Encrypt(String sSrc, String sKey) throws Exception {
        byte[] key = sKey.getBytes();//秘钥必须是24位
        byte[] plainText = sSrc.getBytes("utf-8");
        SecretKey secretKey = new SecretKeySpec(key, "DESede");
        //encrypt
        Cipher cipher = Cipher.getInstance("DESede/ECB/PKCS7Padding", "BC");
        cipher.init(Cipher.ENCRYPT_MODE, secretKey);
        byte[] encryptedData = cipher.doFinal(plainText);
        System.out.println("encrypt_3des_ecb: " + Hex.encodeHexString(encryptedData));//字节数组（byte[]）转为十六进制（Hex）字符串
        return Hex.encodeHexString(encryptedData);//此处使用BASE64做转码功能，同时能起到2次加密的作用。
    }

    // 解密
    public static String Decrypt(String sSrc, String sKey) throws Exception {
        byte[] key = sKey.getBytes();//秘钥必须是24位
        byte[] plainText = Hex.decodeHex(sSrc.toCharArray());
        SecretKey secretKey = new SecretKeySpec(key, "DESede");
        Cipher cipher = Cipher.getInstance("DESede/ECB/PKCS7Padding", "BC");
        cipher.init(Cipher.DECRYPT_MODE, secretKey);
        byte[] decryptPlainText = cipher.doFinal(plainText);
        System.out.println("encrypt_3des_ecbjiemi: " + new String(decryptPlainText,"utf-8"));
        return new String(decryptPlainText,"utf-8");//字节数组（byte[]）转为十六进制（Hex）字符串
    }

}

前端

   var assert = require('assert');
  var crypto = require('crypto');

//3DES加密
    function Encrypt(param) {
        var key = new Buffer(param.key);
        var iv = new Buffer(param.iv ? param.iv : 0)
        var plaintext = param.plaintext
        var alg = param.alg
        var autoPad = param.autoPad
        //encrypt
        var cipher = crypto.createCipheriv(alg, key, iv);
        cipher.setAutoPadding(autoPad)  //default true
        var ciph = cipher.update(plaintext, 'utf8', 'hex');
        ciph += cipher.final('hex');
        return ciph;
    }

    //3DES解密
    function Decrypt(param) {
        var key = new Buffer(param.key);
        var iv = new Buffer(param.iv ? param.iv : 0)
        var plaintext = param.plaintext
        var alg = param.alg
        var autoPad = param.autoPad
        //decrypt
        var decipher = crypto.createDecipheriv(alg, key, iv);
        decipher.setAutoPadding(autoPad)
        var txt = decipher.update(plaintext, 'hex', 'utf8');
        txt += decipher.final('utf8');
        return txt;
    }