MD5工具类应用

1. MD5的加密工具类

2. 来自：as3-core-lib: http://code.google.com/p/as3corelib/

3. 用法：var encryptedStr:String =MD5.hash(rawstring);

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public static String md5(String str) {        String s = str;        if (s == null) {            return "";        } else {            System.out.println(s);            String value = null;            MessageDigest md5 = null;            try {                md5 = MessageDigest.getInstance("MD5");            } catch (NoSuchAlgorithmException e) {                e.printStackTrace();            }            @SuppressWarnings("restriction")            sun.misc.BASE64Encoder baseEncoder = new sun.misc.BASE64Encoder();            try {                @SuppressWarnings("restriction")                String encode = baseEncoder.encode(md5.digest(s.getBytes("utf-8")));                value = encode;            } catch (UnsupportedEncodingException e) {                e.printStackTrace();            }            return value;        }    }

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5.? http://blog.sina.com.cn/s/blog_674522cd01010wnd.html