Export media_cas_proxy_sdk

common/drm_root_certificate.h

@@ -0,0 +1,66 @@
+////////////////////////////////////////////////////////////////////////////////
+// Copyright 2013 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.
+////////////////////////////////////////////////////////////////////////////////
+//
+// Description:
+//   Root device certificate holder class which deserializes, validates,
+//   and extracts the root certificate public key.
+
+#ifndef COMMON_DRM_ROOT_CERTIFICATE_H_
+#define COMMON_DRM_ROOT_CERTIFICATE_H_
+
+#include <memory>
+#include <string>
+
+#include "base/macros.h"
+#include "util/status.h"
+
+#include "common/certificate_type.h"
+
+namespace widevine {
+
+class DrmRootCertificate {
+ public:
+  virtual ~DrmRootCertificate() {}
+  // Creates a DrmRootCertificate object given a certificate type.
+  // |cert| may not be nullptr, and it points to a
+  // std::unique_ptr<DrmRootCertificate> which will be used to return a newly
+  // created DrmRootCertificate* if successful. The caller assumes ownership of
+  // the new DrmRootCertificate. This method returns util::Status::OK on
+  // success, or appropriate error status otherwise.
+  static util::Status CreateByType(CertificateType cert_type,
+                                   std::unique_ptr<DrmRootCertificate>* cert);
+  // Returns the hex-encoded SHA-256 digest for the specified root certificate.
+  static std::string GetDigest(CertificateType cert_type);
+  // Given |cert_type|, the appropiate root certificate is returned as
+  // a serialized SignedDrmCertificates.
+  static std::string GetDrmRootCertificate(CertificateType cert_type);
+  const std::string& public_key() const { return public_key_; }
+
+  // Verifies a DRM certificate.
+ private:
+  friend class DrmRootCertificateTest;
+
+  // Creates a DrmRootCertificate object given a serialized
+  // SignedDrmCertificate. |cert| may not be nullptr, and it points to a
+  // std::unique_ptr<DrmRootCertificate> which will be used to return a newly
+  // created DrmRootCertificate* if successful. The caller assumes ownership of
+  // the new DrmRootCertificate. This method returns util::Status::OK on
+  // success, or appropriate error status otherwise.
+  // TODO(user): Consider moving to private.
+  static util::Status Create(const std::string& signed_drm_certificate,
+                             std::unique_ptr<DrmRootCertificate>* cert);
+  explicit DrmRootCertificate(const std::string& public_key)
+      : public_key_(public_key) {}
+
+  std::string public_key_;
+  DISALLOW_IMPLICIT_CONSTRUCTORS(DrmRootCertificate);
+};
+
+}  // namespace widevine
+
+#endif  // COMMON_DRM_ROOT_CERTIFICATE_H_