The article discusses how to achieve quantum safety by deploying Post-Quantum Cryptography (PQC) using Cloudflare. It highlights Cloudflare's role as a major player in the internet's adoption of PQC, making it relatively straightforward to implement.
The author recommends a book on Quantum Security for deeper learning and explains that Cloudflare offers various PQC architectural solutions. The process is broken down into three zones: client to Cloudflare, within Cloudflare's edge network, and Cloudflare to the company's server. For the client-to-Cloudflare zone (Zone 1), modern browsers like Firefox and Chrome, along with Android and the upcoming iOS 26, already support PQC in hybrid modes. For clients that don't natively support PQC, Cloudflare's free WARP client can establish a PQC-enabled tunnel using the MASQUE protocol, ensuring PQC connectivity regardless of the client's built-in support.
In the second zone, Cloudflare has fully deployed PQC between its global data centres since 2023. The third zone, between Cloudflare and the company's server, can achieve PQC if the server runs a compatible version of OpenSSL (like 3.5 with Hybrid ML-KEM in TLS v1.3) or if Cloudflare's 'Cloudflared' service is used. Cloudflared is a tunnel service that uses MASQUE with PQC to connect a server to Cloudflare, thereby extending PQC protection to the final leg of the connection. The article emphasises that even if only parts of the connection are PQC-enabled, a significant portion of the traffic will still benefit from post-quantum encryption.
Fuente Original: http://www.elladodelmal.com/2026/01/como-ser-quantum-safe-y-desplegar-post.html
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