コード例 #1
0
ファイル: SecurityUtils.java プロジェクト: tgf229/YYApp
 public static final String get32MD5Str(String str) {
   if (GeneralUtils.isNullOrZeroLenght(str)) {
     return 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]));
   }
   return md5StrBuff.toString();
 }