[jcifs] Question about NT Domains
Michael B. Allen
miallen at eskimo.com
Sat Jun 8 11:10:46 EST 2002
On Fri, 07 Jun 2002 15:12:30 -0500
"Tony Thompson" <tony.thompson at stone-ware.com> wrote:
> I decided to try and tackle this but, I am having a couple of issues. According to the cifsrap2.doc, an RC4 encryption must be performed on the old password before it is sent. I didn't see anything hanging around in jCIFS that would do this. Any suggestions?
> A one way transformation must also be performed on the old password. The document describes the gyrations required to do this but, one of the elements of the transformation is "an 8 byte string whose value is available from Microsoft upon request". Any idea what this string might be or how to get it?
> Is there something already in jCIFS that would do all of the above for me (i.e. is this same type of thing used anywhere else)? I know it is a long shot but, I had to ask.
Look at the top of jcifs/smb/SmbSession.java. You can in all likelyhood
just use the E() method. It's probably very similar but i don't know
really. It will take some fiddling and reasoning. You don't really need to
know much about encryption to do it but you might want to get a capture and
copy out the encrypted value of a known password so you can test your
More information about the jcifs