Updated JWT README content.

library/security/jwt/README.md

@@ -2,25 +2,34 @@ JSON Web Token (JWT)
 
 http://jwt.io/
 
-Note: supporting only HS256 and none algorithm for signature.
+Note: supporting only HS256 and none algorithm for signature, but could be extend with your own algorithm via `JWT_ALGORITHMS` (see `JWT.algorithms`, and `JWT_LOADER.algorithms`).
 
 # How to use
 ```eiffel
-	local
+
-		jwt: JWT
+	example
-	do
+		local
-		create jwt
+			jwt: JWS
-		tok := jwt.encoded_string ("[
+			tok: STRING
-			{"iss":"joe", "exp":1200819380,"http://example.com/is_root":true}
+			l_loader: JWT_LOADER
-			]", "secret", "HS256")
+		do
-		if
+			create jwt.make_with_json_payload ("[
-			attached jwt.decoded_string (tok, "secret", Void) as l_tok_payload and
+					{"iss":"joe", "exp":1200819380,"http://example.com/is_root":true}
-			not jwt.has_error
+					]")
-		then
+			jwt.set_algorithm_to_hs256
-			check verified: not jwt.has_unverified_token_error end
+			tok := jwt.encoded_string ("my-secret")
-			check no_error: not jwt.has_error end
+
-			print (l_tok_payload)
+			create l_loader
+			if
+				attached l_loader.token (tok, Void, "my-secret", Void) as l_tok and then
+				not l_tok.has_error
+			then
+				print (l_tok.claimset.string)
+				check verified: not l_tok.has_unverified_token_error end
+				check no_error: not l_tok.has_error end
+			end
 		end
 	end
 ```
 
+