[777] in cryptography@c2.net mail archive
Re: Full Strength Stronghold 2.0 Released Worldwide
daemon@ATHENA.MIT.EDU (Tom Weinstein)
Fri May 9 15:15:32 1997
Date: Fri, 09 May 1997 11:51:28 -0700
From: Tom Weinstein <tomw@netscape.com>
To: Adam Shostack <adam@homeport.org>
CC: cryptography@c2.net
Adam Shostack wrote:
>
> Tom, fan of hot cpus, wrote:
> |
> | Yeah. I get a lot of mail, much of it from mailing lists. Of
> | course, almost none of it is encrypted today. It would be nice if,
> | at some time in the future, all of it were encrypted.
>
> If its on a public list, you want authentication, not
> encryption. Seems pretty silly to make glacier.mcom.com re-encrypt
> each message to every member of the list.
Why not? It makes traffic analysis much harder.
In any case, you don't have to reencrypt the whole message, just the the
bulk key. S/MIME handles multiple recipients by encrypting the message
with a bulk encryption key, and then encrypting the bulk key with each
recipient's RSA key.
--
You should only break rules of style if you can | Tom Weinstein
coherently explain what you gain by so doing. | tomw@netscape.com
