Chefstyle fixes

Signed-off-by: Tim Smith <tsmith@chef.io>

2 files changed, 2 insertions, 4 deletions

diff --git a/lib/mixlib/authentication/digester.rb b/lib/mixlib/authentication/digester.rb
index 8628d53..f826b4c 100644
--- a/lib/mixlib/authentication/digester.rb
+++ b/lib/mixlib/authentication/digester.rb
@@ -27,9 +27,7 @@ module Mixlib
         def hash_file(f, digest = OpenSSL::Digest::SHA1)
           digester = digest.new
           buf = ""
-          while f.read(16384, buf)
-            digester.update buf
-          end
+          digester.update buf while f.read(16384, buf)
           ::Base64.encode64(digester.digest).chomp
         end
 
diff --git a/lib/mixlib/authentication/signedheaderauth.rb b/lib/mixlib/authentication/signedheaderauth.rb
index ab8d989..855fd80 100644
--- a/lib/mixlib/authentication/signedheaderauth.rb
+++ b/lib/mixlib/authentication/signedheaderauth.rb
@@ -274,7 +274,7 @@ module Mixlib
 
       def server_api_version
         key = (self[:headers] || {}).keys.select do |k|
-          k.downcase == "x-ops-server-api-version"
+          k.casecmp("x-ops-server-api-version").zero?
         end.first
         if key
           self[:headers][key]