https://lucaspardue.com/tags/open-standards/ Recent content in Open Standards on Lucas Pardue - Bits && Pieces Hugo en-us Sat, 08 Aug 2026 00:00:00 +0000 https://lucaspardue.com/2026/08/08/http-integrity/ Sat, 08 Aug 2026 00:00:00 +0000 https://lucaspardue.com/2026/08/08/http-integrity/ <p>The core HTTP specifications don&rsquo;t define their own means of providing integrity. Although &ldquo;hop-by-hop&rdquo; protocols underneath HTTP, such as TLS or QUIC, provide integrity for HTTP message transactions, it isn&rsquo;t enough. HTTP powers massively distributed systems where intermediaries (aka proxies) are first-class citizens. Coupled with that are the powerful semantics of HTTP resources and representations.</p> <p>This post explores the past, present, and future of HTTP extensions that allow for HTTP Integrity. We&rsquo;ll cover core concepts, fields such as <code>Content-MD5</code>, <code>Digest</code>, <code>Content-Digest</code>, <code>Repr-Digest</code>, <code>Unencoded-Digest</code>, and more. However, some foundational HTTP understanding needs to be established before we can start. If you just want to jump into an interactive demo playground see my <a href="https://lucaspardue.com/integrity-demos">HTTP Integrity Demos page</a>.</p>