Java 3DES加密解密（Commons.Codec Base64）

依赖包

import org.apache.commons.codec.digest.DigestUtils;
import org.apache.commons.codec.binary.Base64;

算法代码

 /**
     * 转换成十六进制字符串
     * @param username
     * @return
     *
     * lee on 2017-08-09 10:54:19
     */
    public static byte[] hex(String key){  
        String f = DigestUtils.md5Hex(key);  
        byte[] bkeys = new String(f).getBytes();  
        byte[] enk = new byte[24];  
        for (int i=0;i<24;i++){  
            enk[i] = bkeys[i];  
        }  
        return enk;  
    }
    
    /**
     * 3DES加密
     * @param key 密钥，24位
     * @param srcStr 将加密的字符串
     * @return
     *
     * lee on 2017-08-09 10:51:44
     */
    public static String  encode3Des(String key,String srcStr){  
    	byte[] keybyte = hex(key);
    	byte[] src = srcStr.getBytes();
        try {  
           //生成密钥  
           SecretKey deskey = new SecretKeySpec(key