Abstract This specification extends the OAuth signature to include integrity checks on HTTP request bodies with content types other than application/x-www-form-urlencoded. Table of Contents 1. Introduction 2. Notation and Conventions 3. The oauth_body_hash Parameter 3.1. Hash Algorithm 3.2. Hash Calculation 4. Changes to OAuth Request Signing 4.1. Sending Requests 4.1.1. When to Inc