weak links in DigiCash system

Bryce Wilcox wilcoxb at taussky.cs.colorado.edu
Tue Sep 26 17:32:07 PDT 1995



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Jerod, I'm forwarding your message to a couple of lists.  I thought you
made good points.  Of course DigiCash is only running a demo, but still--
why demo poor security?  I think it doesn't make a good impression.


Bryce, signatures at end


- ------- Forwarded Message

To: ecash-feedback at digicash.com
cc: netherto at taussky.cs.colorado.edu, wilcoxb at taussky.cs.colorado.edu
Subject: Security in your ecash project.
Date: Tue, 26 Sep 1995 17:00:15 -0600
From: Jerod D Netherton <netherto at taussky.cs.colorado.edu>

I have a couple of problems/complaints with your ecash project.
When I was sent my Acct ID and Passwd they were sent to me plain text
instead of being PGP-encrypted first.  This means that some malicious
hacker could have intercepted the e-mail message and stolen the
free cyber-bucks you were so generous as to give me.  Second, on the
WWW-page where one downloads the software it does not seem to do a secure
connection between my browser and your server (on netscape there is
a small key in the lower-left hand corner that is supposed to show when
one is securely connected to a secure server).  So someone could sniff my
password from the transaction when I GET the software.  Also When I'm
buying/selling things it would be smart for all parties involved to
be using PGP, and I think you should stress this point more in your page.
Otherwise this is another vulnerable point in your system IMHO.
Thank you for your time.

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- ------- End of Forwarded Message

signatures follow

To strive, to seek, to find and not to yield.

bryce at colorado.edu   http://ugrad-www.cs.colorado.edu/~wilcoxb/Niche.html

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