<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Oct 19, 2015 at 12:48 PM, Dean Coclin <span dir="ltr"><<a href="mailto:Dean_Coclin@symantec.com" target="_blank">Dean_Coclin@symantec.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Despite this latest news and the withdrawal of the current ballot, I have<br>
heard increasing calls from very large enterprises (Fortune 50) and<br>
Governments that state the issue previously described, that is, the problem<br>
in replacing high numbers of SHA1 certs before Dec 31 2015, doesn't go away.<br>
<br>
Two issues which they feel have not adequately been described in threat<br>
models:<br>
<br>
1. The prohibition of issuing SHA1 certs after Dec 31, 2015 that still<br>
expire by the existing deadline (Dec 31, 2016).<br></blockquote><div><br></div><div>I'm not sure I follow what you're requesting here. I can see several ways of interpreting this:</div><div><br></div><div>1) Proponents of SHA-1 certificates do not feel they adequately understand why such issuance is prohibited beginning Jan 1, 2016.</div><div>2) Proponents of SHA-1 certificates do not feel they adequately understand why such issuance is prohibited beginning Jan 1, 2016 when existing certificates are allowed to have validity periods carrying on past that date.</div><div>3) Other</div><div><br></div><div>Could you clarify?</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
2. The prohibition of issuing non-browser based SHA-1 certs beyond Dec 31,<br>
2015. This appears to be a huge issue, the scope of which is still being<br>
quantified. (Some may say that they shouldn't have been issuing from public<br>
roots but this started way before the CA/B Forum)</blockquote><div><br></div><div>To make sure I understand, is it fair to restate this as "Proponents of SHA-1 issuance do not understand why it is prohibited beginning Jan 1, 2016 for certificates that are used for SSL/TLS but not used within browser environments"? </div></div></div></div>