/FileExtraction/Java_unseen/tianyuan168326_nono-android/app/src/main/java/com/seki/noteasklite/Util/InfoEncoderHelper.java
package com.seki.noteasklite.Util;
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class InfoEncoderHelper {
	/*
	* MD5加密
	*/
    public static String getMD5Str(String str) {
        MessageDigest messageDigest = null;
     
        try {     
            messageDigest = MessageDigest.getInstance("MD5");

            messageDigest.reset();     
     
            messageDigest.update(str.getBytes("UTF-8"));     
        } catch (NoSuchAlgorithmException e) {
            System.out.println("NoSuchAlgorithmException caught!");
            System.exit(-1);
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();     
        }     
     
        byte[] byteArray = messageDigest.digest();     
     
        StringBuffer md5StrBuff = new StringBuffer();
        
        for (int i = 0; i < byteArray.length; i++) {                 
            if (Integer.toHexString(0xFF & byteArray[i]).length() == 1)
                md5StrBuff.append("0").append(Integer.toHexString(0xFF & byteArray[i]));
            else     
                md5StrBuff.append(Integer.toHexString(0xFF & byteArray[i]));
        }     
      //16位加密，从第9位到25位
        return md5StrBuff.substring(8, 24).toString();    
    }
}
