Re: [TLS] Merkle Tree Certificates

2023-03-14 Thread Kampanakis, Panos
Hi David, Interesting idea. Seems like a radical, hard change but I want to understand it better. Some clarifications: - Previously, in the ICA suppression draft you had correctly brought up the challenge of keeping an up-to-date ICA cache while most browsers are not up to date. The Merkle tre

Re: [TLS] Merkle Tree Certificates

2023-03-14 Thread Kampanakis, Panos
Hi Hubert, I am not an author of draft-davidben-tls-merkle-tree-certs, but I had some feedback on this question: RFC7924 was a good idea but I don’t think it got deployed. It has the disadvantage that it allows for connection correlation and it is also challenging to demand a client to eithe

Re: [TLS] Merkle Tree Certificates

2023-03-14 Thread Watson Ladd
Come embrace the temptations of the Sea-SIDH! Intermediate certs are rarely used, so that would achieve 204 byte sig on intermediate+ 64 byte intermediate key + 204 byte sig of EE cert since the signing time doesn't matter. Then with SCT and OCSP, it's 204 bytes each. As for the actual proposal,