Social Web Bookmarks

This document describes the process and criteria for approving extensions for inclusion in the main Activity Streams 2.0 context document.

W3C HTTP Signatures test suite. (I don't know if it tests the specific signature version that Mastodon uses.)

HTTP Signature information and code in Python.

HTTP Signature implementations in a variety of programming languages. There are multiple HTTP Signature algorithms and specifications so double-check that the library you use is compatible with Mastodon.

Discussion of Mastodon HTTP Signatures with examples in Node.js.

Python implementation of HTTP Signatures.

Information from Eugen Rochko about how to process ActivityPub inbox requests. It includes information about HTTP Signatures.

The question was asked in a Python context, but the answer is mostly general.

GitHub issue related to Mastodon upgrade to hs2019 in 2020.

Information about using HTTP Signatures with Mastodon.