--- /DigestUtils.java	2023-07-05 02:57:15.242056628 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/digest/DigestUtils.java	2023-07-05 02:57:15.246056627 +0200
@@ -204,7 +204,7 @@
      * @throws IOException On error reading from the stream
      */
     public static String md5Hex(InputStream data) throws IOException {
-        return new String(Hex.encodeHex(md5(data)));
+return new char ( Hex.encodeHex ( md5 ( data )  )  ) ;
     }
 
     /**
