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freetds - Re: *** NT Authentication Sequence !! ***

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  • From: Brian Bruns <camber AT ais.org>
  • To: TDS Development Group <freetds AT franklin.metalab.unc.edu>
  • Subject: Re: *** NT Authentication Sequence !! ***
  • Date: Sun, 21 Jul 2002 15:48:27 -0400 (EDT)



Here is a patch that adds much of the auth stuff to freetds:

http://www.freetds.org/ntlm.diff

It's not all there yet, so take it with a grain of salt. A really good
page on the subject is:

http://www.innovation.ch/java/ntlm.html

from which we ripped some of the ntlm hashing code.

Brian

On Sun, 21 Jul 2002, Fernando wrote:

> Hello,
>
> I'm codify the login with NT Authentication(under TDS7) but still isn't
> terminated.
> I think that 80% of the proccess will mapped but I break in a point(by
> unknown and
> little time) and I want to share my work for found help to terminate the
> process. Does anybody has interested ? See following:
>
> -------------------------------------------------------------------------
> Login sequence based in SQL Server Authentication:
> >> 0x10 (login packet)
> << 0xAD + 0xFD
>
> Login sequence based in NT Authentication:
> >> 0x10 (login packet) -- Negotiate
> << 0xED -- Challenge
> >> 0x11 -- Authenticate
> << 0xAD + 0xFD
> -------------------------------------------------------------------------





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