Introduction

The auth signature is sent with the request auth.requestAccessToken. This is called when you have an authorized auth token and wish to swap it for an access token and an access secret.

Details

It's very simple to create. First you concatenate the auth token and auth secret:

Auth Token: ea3d0e9d7e10af15d2317e75b60e51ca
Auth Token Secret: 293afeb6e382ba094af2abd67757defa

Result: ea3d0e9d7e10af15d2317e75b60e51ca293afeb6e382ba094af2abd67757defa

Then you MD5 hash the result:

f1e91d6628ef506521a25355f3bf83e0

This is your auth_signature.