JAVA加解密 -- Base64加解密

Base64算法实现:可以将任意的字节数组数据，通过算法，生成只有（大小写英文、数字、+、/）（一共64个字符）内容表示的字符串数据。

 private static final String str = "鲤鱼精";
    -JDK实现
        BASE64Encoder encoder = new BASE64Encoder();
        String encode = encoder.encode(str.getBytes());
        System.out.println("encode:" + encode);         
        BASE64Decoder decoder = new BASE64Decoder();
        System.out.println("decode:"+new String(decoder.decodeBuffer(encode)));

    -Commons Codes实现
        byte[] encode = Base64.encodeBase64(str.getBytes());
        System.out.println("encode:"+new String(encode));

        byte[] decode = Base64.decodeBase64(encode);
        System.out.println("decode:"+new String(decode));

    -Bouncy Castle实现
        byte[] encode = org.bouncycastle.util.encoders.Base64.encode(str.getBytes());
        System.out.println("encode:"+new String(encode));

        byte[] decode = org.bouncycastle.util.encoders.Base64.decode(encode);
        System.out.println("decode:"+new String(decode));

使用场景：e-mail 密钥  短文本

JAVA加解密案例源码地址:http://download.csdn.net/detail/jacxuan/9774737