https://samarthya.me/tags/x509/Recent content in X509 on SamarthyaHugo -- gohugo.ioen© Samarthya 2018-2026. All rights reserved.Wed, 10 May 2023 12:00:00 +0000https://samarthya.me/posts/x509-history/Wed, 10 May 2023 12:00:00 +0000https://samarthya.me/posts/x509-history/<figure><img class="my-0 rounded-md" loading="lazy" decoding="async" fetchpriority="auto" alt="Timeline of X.509: public-key infrastructure in the late 1970s, version 1 in 1988, version 2 in 1993, version 3 with extensions and SAN in 1996, and today in SSL/TLS, code signing, email and IoT" width="1200" height="630" src="https://samarthya.me/posts/x509-history/x509_hu_ceb1355aff397692.png" srcset="https://samarthya.me/posts/x509-history/x509_hu_ceb1355aff397692.png 800w, https://samarthya.me/posts/x509-history/x509.png 1280w" sizes="(min-width: 768px) 50vw, 65vw" data-zoom-src="https://samarthya.me/posts/x509-history/x509.png"><figcaption>Recreated in October 2026 from the post; the original image was lost</figcaption></figure> <p>X.509 certificates have become a fundamental component of secure communication on the internet. They provide authentication, encryption, and integrity for various applications and protocols. In this blog post, we will delve into the intriguing history of X.509 certificates, tracing their origins, evolution, and significant milestones.</p>