# HTTP Signatures Required by [[Mastodon]] to sign messages. The specification itself is still in progress: [draft-ietf-httpbis-message-signatures-15](https://datatracker.ietf.org/doc/html/draft-ietf-httpbis-message-signatures) > [!quote] HTTP Signatures describes a method of creating, encoding and verifying a signature within an HTTP request. This spec can be used for a variety of applications, both involving OAuth as well as outside of OAuth. ## Links - [HTTP Signatures](https://oauth.net/http-signatures/) - [draft-ietf-httpbis-message-signatures-15](https://datatracker.ietf.org/doc/html/draft-ietf-httpbis-message-signatures) ## Implementations - [[go-fed]]