Re: On email and web security

"John Levine" <johnl@taugh.com> Thu, 14 January 2016 02:43 UTC

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Date: Thu, 14 Jan 2016 02:43:14 -0000
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From: John Levine <johnl@taugh.com>
To: ietf@ietf.org
Subject: Re: On email and web security
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>Well the question I responded to was wondering if there was a way to 
>have the list software re-encrypt to the members without being able to 
>decrypt the message first. If I understand correctly, you're saying that 
>S/MIME can't do that either?

Not unless there is something hidden inside all of the X.509 glop that
I'm unaware of.  Message bodies are encrypted with a session key
which is in turn encrypted with the public keys of the message
recipients.  Nothing magic there.

R's,
John