package com.space.utils.encrypt;

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

import sun.misc.BASE64Decoder;

import java.io.IOException;

public class Base64Utils {

/**

* 加密 

* 加密byte[]类型，密文为字符串 

* @param b

* @return

*/

public static String encodeByte(byte[] b) {

return new String(new Base64().encode(b));

}

/**

* 解密 

*  将字符串解密为String类型 

* @param source

* @return

*/

public static String decodeToByte(String source) {

return new String(new Base64().decode(source.getBytes()));

}

/**

* 解密 

* 将字符串解密为String类型 

* @param s

* @param charSet 字符编码

* @return

*/

public static String getFromBase64(String s,String charSet) throws IOException {

byte[] b = null;

String result = null;

if (s != null) {

BASE64Decoder decoder = new BASE64Decoder();

b = decoder.decodeBuffer(s);

result = new String(b, charSet);

}

return result;

}

}