1994-09-16 - Re: if this is RC4

Header Data

From: “Perry E. Metzger” <perry@imsi.com>
To: “Ian Farquhar” <ianf@wiley.sydney.sgi.com>
Message Hash: b1d3f173bd806773393fd92335092106014df453ccfe6a7f6be539a5fb6f2f20
Message ID: <9409161318.AA06070@snark.imsi.com>
Reply To: <9409161122.ZM2097@wiley.sydney.sgi.com>
UTC Datetime: 1994-09-16 13:18:41 UTC
Raw Date: Fri, 16 Sep 94 06:18:41 PDT

Raw message

From: "Perry E. Metzger" <perry@imsi.com>
Date: Fri, 16 Sep 94 06:18:41 PDT
To: "Ian Farquhar" <ianf@wiley.sydney.sgi.com>
Subject: Re: if this is RC4
In-Reply-To: <9409161122.ZM2097@wiley.sydney.sgi.com>
Message-ID: <9409161318.AA06070@snark.imsi.com>
MIME-Version: 1.0
Content-Type: text/plain



"Ian Farquhar" says:
> If it is, then the person who did it has gone to a lot of trouble to
> make the source layout and coding style very similar to the publicly
> available MD[245] sources.  Compare them and you'll see what I mean.
> One of the original reasons I thought that this was a fake was the
> similarity (adds credibility), but when it was verified I began to
> think that this is, in fact, the real source from RSADSI.  I don't
> think that this is a reverse engineering job, because I can't see
> any motive for anyone to put the work into making the code look so
> similar.

One possibility is that the author may have simply decompiled the
original code...

Perry

Thread

• Return to September 1994

• Return to “Carl Ellison <cme@tis.com>”
• Return to ““Ian Farquhar” <ianf@wiley.sydney.sgi.com>”
• Return to “jamesd@netcom.com (James A. Donald)”
• Return to “Jim Gillogly <jim@acm.org>”
• Return to ““Perry E. Metzger” <perry@imsi.com>”

• Return to “rarachel@prism.poly.edu (Arsen Ray Arachelian)”

• 1994-09-15 (Thu, 15 Sep 94 11:59:51 PDT) - if this is RC4 - Carl Ellison <cme@tis.com>
  • 1994-09-15 (Thu, 15 Sep 94 12:06:52 PDT) - Re: if this is RC4 - “Perry E. Metzger” <perry@imsi.com>
    • 1994-09-16 (Thu, 15 Sep 94 18:25:33 PDT) - Re: if this is RC4 - “Ian Farquhar” <ianf@wiley.sydney.sgi.com>
      • 1994-09-16 (Fri, 16 Sep 94 06:18:41 PDT) - Re: if this is RC4 - “Perry E. Metzger” <perry@imsi.com>
        • 1994-09-16 (Fri, 16 Sep 94 07:55:18 PDT) - Re: if this is RC4 - jamesd@netcom.com (James A. Donald)
          • 1994-09-16 (Fri, 16 Sep 94 07:57:20 PDT) - Re: if this is RC4 - “Perry E. Metzger” <perry@imsi.com>
          • 1994-09-19 (Sun, 18 Sep 94 22:04:52 PDT) - Re: if this is RC4 - “Ian Farquhar” <ianf@wiley.sydney.sgi.com>
        • 1994-09-17 (Sat, 17 Sep 94 06:25:13 PDT) - Re: if this is RC4 - rarachel@prism.poly.edu (Arsen Ray Arachelian)
          • 1994-09-17 (Sat, 17 Sep 94 09:44:38 PDT) - Re: if this is RC4 - Jim Gillogly <jim@acm.org>