Let’s Encrypt : histoire, limites et alternatives dans l'écosystème des certificats TLS
Summary
This article provides a historical overview of Let’s Encrypt, explains the ACME protocol and its challenges (HTTP-01, DNS-01, TLS-ALPN-01), and discusses sovereignty concerns and potential European alternatives. It highlights the impact of free, automated certificates on widespread HTTPS adoption and the trade-offs of relying on US-based certificate authorities.