Re: Microsoft Outlook Vulnerability: S/MIMELossof Integrity

[Jeffrey Walton <noloader () gmail com>]

On Mon, Jun 17, 2013 at 2:49 PM, Daniël W. Crompton <
daniel.crompton () gmail com> wrote:

> how would that work? AKAIK S/MIME is public key cryptography, how would
> you decrypt a message which is not encrypted with your public key?

Exactly. How does one decrypt when they don't hold the private key.  That
magic button would come in handy for a lot of folks.

Jeff


On 17 June 2013 20:17, Jeffrey Walton <noloader () gmail com> wrote:

> On Mon, Jun 17, 2013 at 11:19 AM, ACROS Security Lists <lists () acros si>
> wrote:
> > Valdis,
> >
> > > No, that's how to do it *hardline*.  There's many in the
> > > security industry that will explain to you that it's also
> > > doing it *wrong*.  Hint - the first time that HR sends out a
> > > posting about a 3-day window next week to change your
> > > insurance plan without penalty, signs it with something that
> > > doesn't match the From:, and the help desk is deluged by
> > > phone calls from employees who can't read the mail, the guy
> > > who put "You shall not pass" in place will be starting a job hunt.
> >
> > If there was an industry standard specifying the you-shall-not-pass for
> all web
> > browsers, it wouldn't be the guy (developer) who put this roadblock in
> place that
> > would start a job hunt but someone within the company whose job was to
> avoid the
> > roadblock by making sure the cert that HR is using was okay. That would
> happen a
> > couple of times, and then not any more, as people have great capacity
> for learning.
> > ....
> > ... If I get an encrypted
> > message that was mistakenly not encrypted with my key, it would be very
> productive to
> > have a "Just decrypt anyway" button but we obviously don't have that. ...
> A lot of folks would like to have that button ;)
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