simplify object conversion

jwt · May 17, 2019 · 22f6430 · 22f6430
1 parent 426ab26
commit 22f6430
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/lib/jwt/algos/hmac.rb b/lib/jwt/algos/hmac.rb
@@ -7,11 +7,12 @@ module Hmac
 
       def sign(to_sign)
         algorithm, msg, key = to_sign.values
-        authenticator, padded_key = SecurityUtils.rbnacl_fixup(algorithm, key.to_s)
+        key ||= ''
+        authenticator, padded_key = SecurityUtils.rbnacl_fixup(algorithm, key)
         if authenticator && padded_key
           authenticator.auth(padded_key, msg.encode('binary'))
         else
-          OpenSSL::HMAC.digest(OpenSSL::Digest.new(algorithm.sub('HS', 'sha')), key.to_s, msg)
+          OpenSSL::HMAC.digest(OpenSSL::Digest.new(algorithm.sub('HS', 'sha')), key, msg)
         end
       end