From c6bcbdfd4596b4affa27353d31c51c6ffedeeab0 Mon Sep 17 00:00:00 2001
From: William Pitcock <nenolod@dereferenced.org>
Date: Fri, 17 Aug 2018 19:52:39 -0500
Subject: [PATCH] http signatures: fix signature generation

---
 viera/http_signatures.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/viera/http_signatures.py b/viera/http_signatures.py
index 9c6f81a..683fe77 100644
--- a/viera/http_signatures.py
+++ b/viera/http_signatures.py
@@ -36,6 +36,7 @@ def build_signing_string(headers, used_headers):
 
 
 def sign_headers(headers, key, key_id):
+    headers = {x.lower(): y for x, y in headers.items()}
     used_headers = headers.keys()
     sig = {
         'keyId': key_id,