Cloudflare Research: Post-Quantum Key Agreement
On a small number of domains, including this one, we have enabled hybrid post-quantum key agreement. Read our blog for the details.
You are using X25519 which is not post-quantum secure.
Want to enable the post-quantum key agreement on your test zone? Send an e-mail to ask-research@cloudflare.com, but do check out the fine print.
Deployed key agreements
Available with TLSv1.3 on HTTP/2 and below.
| Key agreement | TLS identifier | |
|---|---|---|
| X25519Kyber512Draft00 | 0xfe30 |
|
| X25519Kyber768Draft00 | 0xfe31 |
Client support
- Our fork of Go.
- Our fork of BoringSSL.
- Goutam Tamvada's fork of Firefox. [new!]
Contact
You can reach us directly at ask-research@cloudflare.com with questions and feedback.
