Thanks for the reply Jim
I am using Zinc and have managed to get it working so I can drag and drop
the file onto the application.
I have found a MD5 class now but the value it is giving me does not match
the value the client is comparing it against.
Here is a snippit of my code
ByteLoader = new URLLoader();
ByteLoader.dataFormat = URLLoaderDataFormat.BINARY;
ByteLoader.addEventListener (Event.COMPLETE, loadFileComplete);
FileRequest = new URLRequest (passed_File_Path);
ByteLoader.load (FileRequest);
}
public function loadFileComplete(event:Event){
trace ("loadFileComplete");
var md5Value = MD5.encrypt (ByteLoader.data);
This is the MD5 Class
http://gsolofp.blogspot.com/2006/01/actionscript-3-md5-and-sha1.html
Any idea why I am not getting the same MD5 value? Is it something to do with
how I am reading in the file data?
Thanks
Paul
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Jim Cheng
Sent: 31 August 2007 00:32
To: [email protected]
Subject: Re: [Flashcoders] How to get the MD5 hash value of a file
Paul Steven wrote:
> Is there a built in function that will provide me with the MD5 value for a
> file? I have seen some examples online that provide a MD5 value for a
string
> but I need it for a file.
Nothing built in, though if you can read the file into a ByteArray, it's
fairly simple to modify one of the existing MD5 hash routines to take in
a ByteArray instead. For example, if you were using the open-source
as3corelib project's MD5 class you can just change in the parameter type
to a ByteArray, and then modify the createBlocks() method to do the same
and read in the i'th byte rather than calling s.charCodeAt().
However, there's a big caveat--unless you're planning on doing this from
an Adobe AIR (formerly Apollo) application or a third-party projector
(e.g. Zinc, SWF Studio, SWHX and the like), you're probably out of luck.
As far as I know neither the standalone or plugin Flash Player, nor the
standard web browsers allow programmatic access to client-side files
scheduled for upload--typically, you'd need to have the user actually
upload them and then round-trip the file back from the server to have
access to the content. :(
You might be able to do it via an ActiveX control or a Java applet that
has the appropriate permissions, though this may require an additional
dialog requesting the user to grant escalated privileges.
Jim
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