Device registration using an enrollment certificate from the PCA.

components/policy/core/common/cloud/signing_service.h

Index: components/policy/core/common/cloud/signing_service.h
diff --git a/components/policy/core/common/cloud/signing_service.h b/components/policy/core/common/cloud/signing_service.h
new file mode 100644
index 0000000000000000000000000000000000000000..8f026d9d0d134118d403075179360e651bdaed61
--- /dev/null
+++ b/components/policy/core/common/cloud/signing_service.h
@@ -0,0 +1,30 @@
+// Copyright (c) 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef COMPONENTS_POLICY_CORE_COMMON_CLOUD_SIGNING_SERVICE_H_
+#define COMPONENTS_POLICY_CORE_COMMON_CLOUD_SIGNING_SERVICE_H_
+
+#include <string>
+
+#include "base/callback_forward.h"
+#include "components/policy/policy_export.h"
+#include "components/policy/proto/device_management_backend.pb.h"
+
+namespace policy {
+
+// Data signing interface.
+class POLICY_EXPORT SigningService {
+ public:
+  using SigningCallback = base::Callback<void(bool success,
+       enterprise_management::SignedData signed_data)>;
+
+  // Signs |data| and calls |callback| with the signed data.
+  virtual void SignData(const std::string& data,
+                        const SigningCallback& callback) = 0;
+};
+
+} // namespace policy
+
+#endif // COMPONENTS_POLICY_CORE_COMMON_CLOUD_SIGNING_SERVICE_H_
+