Java对称加密编码：BESA64

原作者：http://jatula.iteye.com/blog/315449

 

package
 cn.lake.util;

import
 sun.misc.BASE64Decoder;

/**
 * Java对称加密编码：BESA64
 *
 * @author lake_xie
 *
 */
public
 
class
 B64Demo {
    public
 B64Demo() {
    }

    // 将 s 进行 BASE64 编码
    public
 
static
 String getBASE64(String s) {
        if
 (s == 
null
)
            return
 
null
;
        return
 (
new
 sun.misc.BASE64Encoder()).encode(s.getBytes());
    }

    // 将 BASE64 编码的字符串 s 进行解码
    public
 
static
 String getFromBASE64(String s) {
        if
 (s == 
null
)
            return
 
null
;
        BASE64Decoder decoder = new
 BASE64Decoder();
        try
 {
            byte
[] b = decoder.decodeBuffer(s);
            return
 
new
 String(b);
        } catch
 (Exception e) {
            return
 
null
;
        }
    }

    public
 
static
 
void
 main(String[] f) {
        B64Demo b64 = new
 B64Demo();
        System.out.println(b64.getBASE64("abiegerts"
));
        System.out.println(b64.getFromBASE64(b64.getBASE64("abiegerts"
)));
    }
}