update

draft-steele-cose-hash-envelope.md

@@ -47,6 +47,23 @@ However, a detached payload cose sign 1 still requires the payload content to be
 
 For large payloads this is a problem. This draft addresses this problem by describing a simply way to sign hashes of large payloads while maintaining information about their content type.
 
+## Usage
+
+~~~~ cbor-diag
+{      
+  / Algorithm                           /                        
+  1: -35,                        
+  / Key identifier                      /
+  4: h'75726e3a...32636573',     
+  / typ of the envelope                 /
+  TBD 0: application/hashed+cose 
+  / Hash algorithm of the payload       /
+  TBD 1: sha-256                  
+  / cty of the preimage of the payload  /
+  TBD 2: application/jwk+json    
+}
+~~~~
+
 
 # Conventions and Definitions