[cabfpub] Draft Ballot 185 - Limiting the Lifetime of Certificates
García Jimeno, Oscar
o-garcia at izenpe.eus
Thu Feb 2 14:17:30 UTC 2017
I’d like to give you some numbers of SSL certificates issued by Izenpe. We have DV (1, 2 or 3 years), OV (1, 2 or 3 years) and EV (1 or 2 years) certificates:
EV 1 year -> 7,33%
EV 2 years -> 92,67%
OV 1 year -> 30,93%
OV 2 years -> 0,22%
OV 3 years -> 68,84%
DV 1 year -> 22,54%
DV 2 years -> 0,00%
DV 3 years -> 77,46%
It’s clear that customers (normally) prefer to have more usability and sacrifice some security; they don’t want to have to renew all their certificates every year. I suppose this situation is the same for every CAs. Of course we need to think about security, that’s because in Izenpe we have defined a policy where we need to validate all documents every time, it doesn’t matter if it’s a new application or a renovation. And it’s not the same a DV than an EV, validations for EVs as you know are much harder. If we force all clients to renew all their certificates every year, probably they would request DVs or OVs instead of EV, because they are easier to get. Therefore I think we would reduce security, reducing the quality of certificates. One possible intermediate solution would be to limit the lifetime of all certificates to 27 months, and restrict some more the reuse of validation information (ballot 186).
.eus gara !
horregatik orain nire helbide elektronikoa da:
por eso mi dirección de correo electrónico ahora es: o-garcia at izenpe.eus<mailto:o-garcia at izenpe.eus>
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De: Public [mailto:public-bounces at cabforum.org] En nombre de Ryan Sleevi via Public
Enviado el: miércoles, 01 de febrero de 2017 4:50
CC: Ryan Sleevi
Asunto: [cabfpub] Draft Ballot 185 - Limiting the Lifetime of Certificates
I'm looking for two endorsers to publicly endorse this ballot.
The validity period of certificates represents the single greatest impediment towards improving the security of the Web PKI. This is because it sets the upper-bound on when legacy behaviours may be safely deprecated, while setting a practical lower-bound for how long hacks and workarounds need to be carried around by clients.
Further, in the event of misissuance related to internal control failures, rather than external security failures - for example, misissuance due to failing to properly vet subject information - the validity period represents the risk and exposure to customers and relying parties in the absence of revocation information (for example, constrained environments).
To keep this vote simple, it avoids any discussion of the reuse of validation information, described in Section 4.2.1 of the Baseline Requirements and Section 11.14.3 of the EV Guidelines.
The following motion has been proposed by Ryan Sleevi of Google, Inc and endorsed by ___ of ___ and ___ of ___ to introduce new Final Maintenance Guidelines for the "Baseline Requirements Certificate Policy for the Issuance and Management of Publicly-Trusted Certificates" and the "Guidelines for the Issuance and Management of Extended Validation Certificates"
-- MOTION BEGINS --
Modify Section 6.3.2 of the "Baseline Requirements Certificate Policy for the Issuance and Management of Publicly-Trusted Certificates" as follows:
Replace Section 6.3.2 with:
6.3.2. Certificate Operational Periods and Key Pair Usage Periods
Subscriber Certificates issued on or after 1 May 2017 MUST NOT have a Validity Period greater than twelve (12) months.
Subscriber Certificates issued prior to 1 May 2017 MUST NOT have a Validity Period greater than thirty-nine (39) months.
Modify Section 9.4 of the "Guidelines for the Issuance and Management of Extended Validation Certificates" as follows:
Replace Section 9.4 with:
9.4 Maximum Validity Period for EV Certificate
EV Certificates issued on or after 1 May 2017 MUST NOT have a Validity Period greater than twelve (12) months.
EV Certificates issued prior to 1 May 2017 MUST NOT have a Validity Period greater than twenty seven (27) months.
-- MOTION ENDS --
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