Re: OCSP and self signed

2013-07-31 Thread Jakob Bohm
On 31-07-2013 22:11, Salz, Rich wrote: Wouldn't it be just as good to have a cRLDistributionPoint which does not restrict the available ReasonFlags and then put "cACompromise" in the CRL if/when that disaster happens? No because with my idea you are a priori restrict the crlDP to be only CA r

RE: OCSP and self signed

2013-07-31 Thread Salz, Rich
> Wouldn't it be just as good to have a cRLDistributionPoint which does not > restrict the available ReasonFlags and then put "cACompromise" in the CRL > if/when that disaster happens? No because with my idea you are a priori restrict the crlDP to be only CA revocation. > Wouldn't it be equall

Re: OCSP and self signed

2013-07-31 Thread Jakob Bohm
On 31-07-2013 19:56, Salz, Rich wrote: This is not possible according to PKIX. RFC5280 states "The trust anchor for the certification path [of the crl] MUST be the same as the trust anchor used to validate the target certificate." The root certificate creates a crl-signing cert. The root certi

RE: OCSP and self signed

2013-07-31 Thread Salz, Rich
> This is not possible according to PKIX. RFC5280 states "The trust anchor for > the certification path [of the crl] MUST be the same as the trust anchor used > to validate the target certificate." The root certificate creates a crl-signing cert. The root certificate includes a cRLDistributionP

RE: OCSP and self signed

2013-07-31 Thread Eisenacher, Patrick
> -Original Message- > From: Walter H. >> Eisenacher, Patrick wrote: > >> -Original Message- > >> From: Jakob Bohm >> > > As I said before, there's no pki-inherent mechanism to revoke a self signed >> certificate other than to remove it from your truststore. > > not really; a CA tha

Re: OCSP and self signed

2013-07-31 Thread Walter H.
On 31.07.2013 16:47, Jakob Bohm wrote: the only cert that can't be checked by OCSP is the root cert itself; This is where I disagree, can you point me to an actual reason why not, which is not refuted by my logical ABC argument above. the Authority Information Access extension does not make an

Re: OCSP and self signed

2013-07-31 Thread Jakob Bohm
On 31-07-2013 16:01, Walter H. wrote: Eisenacher, Patrick wrote: -Original Message- From: Jakob Bohm On 31-07-2013 11:02, Eisenacher, Patrick wrote: -Original Message- From: Jakob Bohm On 30-07-2013 20:53, Walter H. wrote: On 30.07.2013 19:51, Eisenacher, Patrick wrote: Jako

Re: OCSP and self signed

2013-07-31 Thread Walter H.
Eisenacher, Patrick wrote: -Original Message- From: Jakob Bohm On 31-07-2013 11:02, Eisenacher, Patrick wrote: -Original Message- From: Jakob Bohm On 30-07-2013 20:53, Walter H. wrote: On 30.07.2013 19:51, Eisenacher, Patrick wrote: Jakob, I don't und

RE: OCSP and self signed

2013-07-31 Thread Eisenacher, Patrick
> -Original Message- > From: Jakob Bohm > > On 31-07-2013 11:02, Eisenacher, Patrick wrote: > >> -Original Message- > >> From: Jakob Bohm > >> > >> On 30-07-2013 20:53, Walter H. wrote: > >>> On 30.07.2013 19:51, Eisenacher, Patrick wrote: > > Jakob, I don't understand your reasoni

Re: OCSP and self signed

2013-07-31 Thread Jakob Bohm
On 31-07-2013 11:02, Eisenacher, Patrick wrote: -Original Message- From: Jakob Bohm On 30-07-2013 20:53, Walter H. wrote: On 30.07.2013 19:51, Eisenacher, Patrick wrote: In Boolean logic, we have the following possibilities: - Root is trusted, so the revocation is valid, so the root i

RE: OCSP and self signed

2013-07-31 Thread Eisenacher, Patrick
> -Original Message- > From: Jakob Bohm > > On 30-07-2013 20:53, Walter H. wrote: > > On 30.07.2013 19:51, Eisenacher, Patrick wrote: > > In Boolean logic, we have the following possibilities: > > - Root is trusted, so the revocation is valid, so the root is not > trusted. This is a c

Re: OCSP and self signed

2013-07-30 Thread Jakob Bohm
On 30-07-2013 20:53, Walter H. wrote: On 30.07.2013 19:51, Eisenacher, Patrick wrote: I was wondering how the root cert gets revoked. Anyway thanks for posting that request. A self-signed certificate can't be revoked via a crl, because you won't be able to successfully verify its signature. ke

Re: OCSP and self signed

2013-07-30 Thread Walter H.
On 30.07.2013 19:51, Eisenacher, Patrick wrote: I was wondering how the root cert gets revoked. Anyway thanks for posting that request. A self-signed certificate can't be revoked via a crl, because you won't be able to successfully verify its signature. keep in mind, that in case you detect a p

RE: OCSP and self signed

2013-07-30 Thread Eisenacher, Patrick
> -Original Message- > From: redpath > > I agree with this > > "Once again, I would like to advocate that the openssl verification code > should allow a self-signed certificate to revoke itself, using the same > mechanisms as for revoking anything else. " > > I was wondering how the ro

Re: OCSP and self signed

2013-07-30 Thread redpath
I agree with this "Once again, I would like to advocate that the openssl verification code should allow a self-signed certificate to revoke itself, using the same mechanisms as for revoking anything else. " I was wondering how the root cert gets revoked. Anyway thanks for posting that reques

Re: OCSP and self signed

2013-07-30 Thread Jakob Bohm
On 23-07-2013 23:56, Steven Madwin wrote: The short answers is no. An OCSP response has to be signed by the issuer (or a delegate of the issuer) and a self-signed cert is issued by itself. As a general rule certs can't revoke themselves so there is no need to get a revocation response for a self-

RE: OCSP and self signed

2013-07-24 Thread Steven Madwin
The short answers is no. An OCSP response has to be signed by the issuer (or a delegate of the issuer) and a self-signed cert is issued by itself. As a general rule certs can't revoke themselves so there is no need to get a revocation response for a self-signed cert. Steve -Original Message--