Hey Gerv - when dos this policy take effect? Or is this being proposed for the next Mozilla policy update.
-----Original Message----- From: Public [mailto:public-boun...@cabforum.org] On Behalf Of Gervase Markham via Public Sent: Thursday, January 12, 2017 10:52 AM To: CABFPub <public@cabforum.org> Cc: Gervase Markham <g...@mozilla.org> Subject: Re: [cabfpub] Mozilla SHA-1 further restrictions (v4) Here's v4. I've decided to leave the email situation unchanged for now, in the name of getting the SSL situation put to bed. We can address it in a different discussion. This is the same as v3 except it allows the issuance of SHA-1 intermediates to add EKUs so that they can be used in chains meeting the other requirements (a fix for a problem Bruce pointed out). <quote> CAs may only sign SHA-1 hashes over end-entity certificates which chain up to roots in Mozilla's program if all the following are true: 1) The end-entity certificate: * is not within the scope of the Baseline Requirements; * contains an EKU extension which does not contain either of the id-kp- serverAuth or anyExtendedKeyUsage key purposes; * has at least 64 bits of entropy from a CSPRNG in the serial number. 2) The issuing intermediate: * contains an EKU extension which does not contain either of the id-kp- serverAuth or anyExtendedKeyUsage key purposes; * has a pathlen:0 constraint. CAs may only sign SHA-1 hashes over issuing intermediates which chain up to roots in Mozilla's program if the certificate to be signed is a duplicate of an existing SHA-1 intermediate certificate with the only change being the addition of an EKU to meet the requirements outlined above. CAs may only sign SHA-1 hashes over OCSP responses if the signing certificate contains an EKU extension which contains only the id-kp-ocspSigning EKU. CAs may only sign SHA-1 hashes over CRLs for roots and intermediates which have issued SHA-1 certificates. CAs may not sign SHA-1 hashes over other data, including CT pre-certificates. </quote> Gerv _______________________________________________ Public mailing list Public@cabforum.org https://cabforum.org/mailman/listinfo/public
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