1993-03-10 - Hidden encrypted messages

Header Data

From: derek@cs.wisc.edu (Derek Zahn)
To: cypherpunks@toad.com
Message Hash: f963c7e427a34c3f82709b0a700cdd5b9e38d558c2ae09eb9805f1ea9163a2de
Message ID: <9303102002.AA24037@lynx.cs.wisc.edu>
Reply To: N/A
UTC Datetime: 1993-03-10 20:04:10 UTC
Raw Date: Wed, 10 Mar 93 12:04:10 PST

Raw message

From: derek@cs.wisc.edu (Derek Zahn)
Date: Wed, 10 Mar 93 12:04:10 PST
To: cypherpunks@toad.com
Subject: Hidden encrypted messages
Message-ID: <9303102002.AA24037@lynx.cs.wisc.edu>
MIME-Version: 1.0
Content-Type: text/plain

If true encryption is ever outlawed in the U.S., I wonder if it's
possible to have an encryption technique that preserves plausible
deniability.  That is, if seemingly innocuous messages could contain
encrypted messages (for example, first-letter-of-words strung
together).  In such a case, I'd think that it would be difficult
to prove that said message contained a hidden message unless the
decryption key was available (the embedded encrypted message wouldn't
look suspicious, even if an onlooker knew where to look).  Is
this a common idea in cryptographic circles?