Getting Oracle's MD5 to match PHP's MD5

Posted by Zenshai on Stack Overflow See other posts from Stack Overflow or by Zenshai
Published on 2009-08-04T16:56:11Z Indexed on 2010/04/16 10:43 UTC
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Hi all,

I'm trying to compare an MD5 checksum generated by PHP to one generated by Oracle 10g. However it seems I'm comparing apples to oranges.

Here's what I did to test the comparison:

//md5 tests

  //php md5
  print md5('testingthemd5function');

  print '<br/><br/>';

  //oracle md5
  $md5query = "select md5hash('testingthemd5function') from dual";

  $stid = oci_parse($conn, $md5query);
  if (!$stid) {
   $e = oci_error($conn);
   print htmlentities($e['message']);
   exit;
  }

  $r = oci_execute($stid, OCI_DEFAULT);
  if (!$r) {
   $e = oci_error($stid);
   echo htmlentities($e['message']);
   exit;
  }

  $row = oci_fetch_row($stid); 
  print $row[0];

The md5 function (seen in the query above) in Oracle uses the 'dbms_obfuscation_toolkit.md5' package(?) and is defined like this:

CREATE OR REPLACE FUNCTION PORTAL.md5hash (v_input_string in varchar2) return varchar2     
is
   v_checksum varchar2(20);
   begin
   v_checksum := dbms_obfuscation_toolkit.md5 (input_string => v_input_string);
   return v_checksum;
end;

What comes out on my PHP page is:

29dbb90ea99a397b946518c84f45e016

)Û¹©š9{”eÈOEà

Can anyone help me in getting the two to match?

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