[487] in Cypherpunks
Re: cypto + compression
daemon@ATHENA.MIT.EDU (Ian S. Nelson)
Fri May 21 20:56:34 1993
From: "Ian S. Nelson" <ian@bvsd.Co.EDU>
To: arkuat@joes.garage.com (Eric Watt Forste)
Date: Fri, 21 May 93 18:46:33 MDT
Cc: cypherpunks@toad.com
In-Reply-To: <199305212303.AA21876@joes.GARAGE.COM>; from "Eric Watt Forste" at May 21, 93 4:03 pm
> OK well if you encrypt a compressed file, there are bound to be lots more
> new redundencies created in the encryption process
> In fact there are not. You can test this out; use PGP to encrypt any
> file you please, and then use any compression software you like to
> compress it. You will get no significant compression.
Isn't encrypted data supposed to be random, and thus not compressable?
You might be able to creat some redundencies by decrypting it though.
--
Ian S. Nelson I speak for only myself.
Finger for my PGP key.
If you are a beautiful woman, it is mandatory that you reply to this message.
