Re:Private key of DigiCert Certificate Transparency log comp...
by tptacek on Friday May 29, 2020 @10:43AM
(#23350462)
With DNSSEC, when it becomes instantly clear that the United States Government controls .COM, Google can simply leave .COM, and tell every Google user in the United States never to use the tainted GOOGLE.COM domain, and all the users will stop using .COM and start using the new Google domain name, because that is how things work in the real world.
Re:Private key of DigiCert Certificate Transparency log comp...
by dane-pgp on Friday May 29, 2020 @11:05AM
(#23350761)
Yeah, imagine the hours of productivity that will be lost as people in the US update their link to Google in their IE6 "Favorites" list, because that's how things work in the real world.
In contrast, when it becomes clear that the United States Government controls multiple certificate authorities, that won't be a problem for any websites.
Re:Private key of DigiCert Certificate Transparency log comp...
by Avamander on Thursday May 28, 2020 @05:09PM
(#23342676)
With the CT system I can monitor the CA's issuance, with DNSSEC I can't retroactively monitor if someone has changed the DANE keys and intercepted traffic.
Re:Private key of DigiCert Certificate Transparency log comp...
by dane-pgp on Thursday May 28, 2020 @08:53PM
(#23345077)
True, DNSSEC Transparency is not as developed a technology as Certificate Transparency. There has been experimental deployment of such a system[0] but to give higher assurance there is a small addition to the DNS data that needs to be adopted first[1], which is still going through the IETF process.
[0] https://twitter.com/ln4711/status/754516056878772224
[1] https://datatracker.ietf.org/doc/html/draft-ietf-dnsop-deleg...
Re:Private key of DigiCert Certificate Transparency log comp...
by tptacek on Friday May 29, 2020 @10:45AM
(#23350492)
Certificate Transparency, by contrast, exists.
The web PKI, by contrast, requires users to trust a bunch of CAs, any one of which could have been compromised by a government and can issue a certificate for your domain. Also, if a government can compromise your DNS records, they can also be granted domain-validated certificates for those domains, so the web PKI is not an improvement.
Anyway, if your threat model is that every single country in the world is willing to subvert the security of their own DNS hierarchy specifically to attack you, then the limitations of DNSSEC are the least of your worries.