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<p><font face="Calibri">IMO, a CA can describe in their CPS what
"misuse" is, and the BRs should allow CAs to revoke certificates
that are "misused" according to their respective CPSes. The CPS
is a contract, in essence, and it's up to the Applicant to
decide whether they like it or not. If a CPS provides for
revocation of the SSL certificate in case it is used on a web
site that (just for example, I am not suggesting anything to
anyone) sells weapons ... the Applicant may not say they did not
know, and I do not think that this need to be expressly covered
in the BR (nor should it be forbidden).</font><br>
</p>
<br>
<div class="moz-cite-prefix">Il 08/06/2018 11:52, Ryan Sleevi via
Public ha scritto:<br>
</div>
<blockquote type="cite"
cite="mid:CACvaWvbVyD3bPbKeSXvgFUS_Deb4gcvmR-diaYzfv9Z2-jiwNQ@mail.gmail.com">
<div dir="ltr">I'm not sure. Misuse defines what it's not, while
allowing for a whole host of things which it is. If it's defined
as the antonym, and we defined that particular function or use,
then that would forbid any uses not covered - probably not what
is intended.</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Fri, Jun 8, 2018 at 5:36 AM,
Moudrick M. Dadashov via Public <span dir="ltr"><<a
href="mailto:public@cabforum.org" target="_blank"
moz-do-not-send="true">public@cabforum.org</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">Would it
help if we define its antonym e.g. "designed for or capable
of a particular function or use"?<br>
<br>
Thanks,<br>
M.D.
<div>
<div class="h5"><br>
<br>
<br>
On 2018-06-07 17:32, Ryan Sleevi via Public wrote:<br>
</div>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>
<div class="h5">
On Thu, Jun 7, 2018 at 10:24 AM, Geoff Keating <<a
href="mailto:geoffk@apple.com" target="_blank"
moz-do-not-send="true">geoffk@apple.com</a>><br>
wrote:<br>
<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
On Jun 7, 2018, at 1:40 PM, Ryan Sleevi via Public<br>
</blockquote>
<<a href="mailto:public@cabforum.org"
target="_blank" moz-do-not-send="true">public@cabforum.org</a>>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
In the pursuit of a definition, we tried to work
backwards - what<br>
</blockquote>
are situations we think are misuse.<br>
<br>
The dictionary definition of ‘misuse’ is:<br>
<br>
use (something) in the wrong way or for the wrong
purpose<br>
</blockquote>
<br>
I'm not sure how this helps us move forward - were you
suggesting that<br>
4.9.1.1 would read:<br>
<br>
4. The CA obtains evidence that the Certificate was
used for the wrong<br>
way or for the wrong purpose;<br>
<br>
With such a definition, this supposes there's a right
way or right<br>
purpose.<br>
<br>
1) Do you believe the right purpose is wholly
reflecting in the<br>
Subscriber Agreement or Terms of Use?<br>
2) Do you believe the right way is wholly reflected in
the definition<br>
I provided (from 1.1), that the right way is "used for
authenticating<br>
servers accessible through the Internet"<br>
<br>
<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
Another suggestion was that it involved scenarios
where the<br>
</blockquote>
Subscriber private key was in an HSM, and itself was
not<br>
compromised, but had signed things it was not
expected to. This<br>
wasn't elaborated on further - so I'm uncertain if
this meant things<br>
other than the TLS handshake transcript - but this
is already met by<br>
our definition of Key Compromise in 1.6.1, that is:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
""A Private Key is said to be compromised if its
value has been<br>
</blockquote>
disclosed to an<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
unauthorized person, an unauthorized person
has had access<br>
</blockquote>
to it, or there exists a<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
practical technique by which an unauthorized
person may<br>
</blockquote>
discover its value. “""<br>
<br>
If a key is in a HSM and not exportable, then its
value is not<br>
disclosed, nor does an unauthorized person have
access *to the<br>
key*. Dictionary definition of ‘access’ is 'obtain,
examine,<br>
or retrieve’ none of which apply here. So it is not
covered by<br>
Key Compromise.<br>
</blockquote>
<br>
I'm not sure - what are you providing an example of? I
would think<br>
that, say, generating a signed message that was not
authorized, then<br>
"an unauthorized person has access to it". Perhaps you
could help me<br>
understand this misuse - is it that the signature was
authorized and<br>
was directed to sign something that they didn't want
to do?<br>
</div>
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