diff --git a/buffet/privet/constants.cc b/buffet/privet/constants.cc
new file mode 100644
index 0000000..e94b541
--- /dev/null
+++ b/buffet/privet/constants.cc
@@ -0,0 +1,36 @@
+// Copyright 2014 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "buffet/privet/constants.h"
+
+namespace privetd {
+
+namespace errors {
+
+const char kDomain[] = "privetd";
+
+const char kInvalidClientCommitment[] = "invalidClientCommitment";
+const char kInvalidFormat[] = "invalidFormat";
+const char kMissingAuthorization[] = "missingAuthorization";
+const char kInvalidAuthorization[] = "invalidAuthorization";
+const char kInvalidAuthorizationScope[] = "invalidAuthorizationScope";
+const char kAuthorizationExpired[] = "authorizationExpired";
+const char kCommitmentMismatch[] = "commitmentMismatch";
+const char kUnknownSession[] = "unknownSession";
+const char kInvalidAuthCode[] = "invalidAuthCode";
+const char kInvalidAuthMode[] = "invalidAuthMode";
+const char kInvalidRequestedScope[] = "invalidRequestedScope";
+const char kAccessDenied[] = "accessDenied";
+const char kInvalidParams[] = "invalidParams";
+const char kSetupUnavailable[] = "setupUnavailable";
+const char kDeviceBusy[] = "deviceBusy";
+const char kInvalidState[] = "invalidState";
+const char kInvalidSsid[] = "invalidSsid";
+const char kInvalidPassphrase[] = "invalidPassphrase";
+const char kNotFound[] = "notFound";
+const char kNotImplemented[] = "notImplemented";
+
+}  // namespace errors
+
+}  // namespace privetd