On Thu, Jan 26, 2006 at 06:09:52PM -0800, bear wrote:
[...]
Of course, the obvious application for this OTP material,
other than text messaging itself, is to use it for key
distribution.
Perhaps I missed something, but my impression was that the original
post asked about how a CD full of
Two other problems with using a CD for OTP key material:
1. How to insure physical security for the N years between when you
exchange CDs and the use of a given chunk of keying material? The
single CD system is brittle -- a single black-bag burglary to
copy the CD, and poof, the adversary has
From: Travis H. [EMAIL PROTECTED]
Sent: Jan 26, 2006 6:30 AM
To: cryptography@metzdowd.com
Subject: thoughts on one time pads
...
In this article, Bruce Schneier argues against the practicality of a
one-time pad:
http://www.schneier.com/crypto-gram-0210.html#7
I take issue with some of the
Jonathan Thornburg wrote:
1. How to insure physical security for the N years between when you
exchange CDs and the use of a given chunk of keying material? The
single CD system is brittle -- a single black-bag burglary to
copy the CD, and poof, the adversary has all your keys for the next
N
Dave Howe wrote:
Hmm. can you selectively blank areas of CD-RW?
Sure, you can. It isn't s much different from rewriting any
other type of disk.
There are various versions of getting rid of a disk file.
1) Deletion: Throwing away the pointer and putting the blocks back
on the free
On Thu, 26 Jan 2006, Adam Fields wrote:
On Thu, Jan 26, 2006 at 06:09:52PM -0800, bear wrote:
[...]
Of course, the obvious application for this OTP material,
other than text messaging itself, is to use it for key
distribution.
Perhaps I missed something, but my impression was that the
John Denker wrote:
One drawback with this is that you have to destroy a whole
disk at a time. That's a problem, because if you have a
whole disk full of daily keys, you want to destroy each
day's key as soon as you are through using it. There
are ways around this, such as reading
