[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Gnu-arch-users] oh the heck with it -- tla-1.2pre0
From: |
Robert Collins |
Subject: |
Re: [Gnu-arch-users] oh the heck with it -- tla-1.2pre0 |
Date: |
Thu, 01 Jan 2004 01:56:46 +1100 |
On Thu, 2004-01-01 at 01:52, Aaron Bentley wrote:
> On Wed, 2003-12-31 at 08:54, Andrew Suffield wrote:
>
> > People have tried to abuse the encryption form for one-to-many
> > purposes before now (either via a shared secret, which defeats the
> > point, or via encrypting multiple times, which is an infeasible use of
> > resources).
>
> The classic description of public/private key architecture has the
> public key being used to encrypt a session key. Couldn't the same
> session key be encrypted with multiple public keys? Or is that the
> "infeasible use of resources"?
Actually, thats precisely the mechanism used by gpg to encrypt to many
recipients. Note that any recipient can then compromise the
confidentiality - the shared secret IS the session key.
Rob
--
GPG key available at: <http://www.robertcollins.net/keys.txt>.
signature.asc
Description: This is a digitally signed message part
Re: [Gnu-arch-users] oh the heck with it -- tla-1.2pre0, Andrew Suffield, 2003/12/30
- Re: [Gnu-arch-users] oh the heck with it -- tla-1.2pre0, Dustin Sallings, 2003/12/30
- Re: [Gnu-arch-users] oh the heck with it -- tla-1.2pre0, Momchil Velikov, 2003/12/31
- Re: [Gnu-arch-users] oh the heck with it -- tla-1.2pre0, Andrew Suffield, 2003/12/31
- Re: [Gnu-arch-users] oh the heck with it -- tla-1.2pre0, Aaron Bentley, 2003/12/31
- Re: [Gnu-arch-users] oh the heck with it -- tla-1.2pre0,
Robert Collins <=
- Re: [Gnu-arch-users] oh the heck with it -- tla-1.2pre0, Andrew Suffield, 2003/12/31
Re: [Gnu-arch-users] oh the heck with it -- tla-1.2pre0, Florian Weimer, 2003/12/31
Re: [Gnu-arch-users] oh the heck with it -- tla-1.2pre0, Andrew Suffield, 2003/12/31
Re: [Gnu-arch-users] oh the heck with it -- tla-1.2pre0, Florian Weimer, 2003/12/31
Re: [Gnu-arch-users] oh the heck with it -- tla-1.2pre0, Tom Lord, 2003/12/31
Re: [Gnu-arch-users] oh the heck with it -- tla-1.2pre0, Andrew Suffield, 2003/12/31
Re: [Gnu-arch-users] oh the heck with it -- tla-1.2pre0, Tom Lord, 2003/12/31
Re: [Gnu-arch-users] oh the heck with it -- tla-1.2pre0, Brian May, 2003/12/31
Re: [Gnu-arch-users] oh the heck with it -- tla-1.2pre0, Tom Lord, 2003/12/31