Re: [dane] "need not change across certificate renewals with the same key"

2015-05-12 Thread Viktor Dukhovni
On Tue, May 12, 2015 at 08:46:54AM -0400, Kyle Rose wrote: > The draft statement that the record "need not change across certificate > renewals with the same key" seems misleading. This is taken out of context. The full text in Section 5.1 of draft-ietf-dane-ops is: TLSA records published fo

Re: [dane] "need not change across certificate renewals with the same key"

2015-05-12 Thread Paul Wouters
On Tue, 12 May 2015, Kyle Rose wrote: If the DANE-EE entry has a SubjectPublicKeyInfo hash, then the metadata within the certificate can be trusted only if the certificate signature is validated against a trust anchor: a self-signed certificate is sufficient (and probably ideal) here, since th

Re: [dane] "need not change across certificate renewals with the same key"

2015-05-12 Thread Kyle Rose
If the DANE-EE entry has a SubjectPublicKeyInfo hash, then the metadata within the certificate can be trusted only if the certificate signature is validated against a trust anchor: a self-signed certificate is sufficient (and probably ideal) here, since the client has already trusted the public key

Re: [dane] "need not change across certificate renewals with the same key"

2015-05-12 Thread Paul Wouters
On Tue, 12 May 2015, Kyle Rose wrote: The draft statement that the record "need not change across certificate renewals with the same key" seems misleading. If anything in the certificate changes—and typically the expiration date will change if a certificate is regenerated using common tools, w

[dane] "need not change across certificate renewals with the same key"

2015-05-12 Thread Kyle Rose
I wasn't able to find anything in the archives addressing this, so apologies in advance if this has been discussed. The draft statement that the record "need not change across certificate renewals with the same key" seems misleading. If anything in the certificate changes—and typically the expirat