Export media_cas_packager_sdk

common/signature_util.h

@@ -0,0 +1,34 @@
+////////////////////////////////////////////////////////////////////////////////
+// Copyright 2018 Google LLC.
+//
+// This software is licensed under the terms defined in the Widevine Master
+// License Agreement. For a copy of this agreement, please contact
+// widevine-licensing@google.com.
+////////////////////////////////////////////////////////////////////////////////
+
+#ifndef COMMON_SIGNATURE_UTIL_H_
+#define COMMON_SIGNATURE_UTIL_H_
+
+#include <string>
+
+#include "util/status.h"
+
+namespace widevine {
+namespace signature_util {
+
+// Generates an AES signature of |message| using |aes_key| and |aes_iv|.
+// Signature is returned via |signature| if generation was successful.
+// Returns a Status that carries the details of error if generation failed.
+util::Status GenerateAesSignature(const std::string& message, const std::string& aes_key,
+                                  const std::string& aes_iv, std::string* signature);
+
+// Generates a RSA signature of |message| using |private_key|.
+// Signature is returned via |sigature| if generation was successful.
+// Returns a Status that carries the details of error if generation failed.
+util::Status GenerateRsaSignature(const std::string& message,
+                                  const std::string& private_key, std::string* signature);
+
+}  // namespace signature_util
+}  // namespace widevine
+
+#endif  // COMMON_SIGNATURE_UTIL_H_