OEMCrypto v13.1

oemcrypto/test/oec_device_features.h

@@ -0,0 +1,47 @@
+#ifndef CDM_OEC_DEVICE_FEATURES_H_
+#define CDM_OEC_DEVICE_FEATURES_H_
+
+#include <string>
+
+#include "OEMCryptoCENC.h"
+#include "wv_keybox.h"
+
+namespace wvoec {
+
+class DeviceFeatures {
+ public:
+  enum DeriveMethod {      // Method to use derive session keys.
+    NO_METHOD,             // Cannot derive known session keys.
+    LOAD_TEST_KEYBOX,      // Call LoadTestKeybox before deriving keys.
+    LOAD_TEST_RSA_KEY,     // Call LoadTestRSAKey before deriving keys.
+    EXISTING_TEST_KEYBOX,  // Keybox is already the test keybox.
+    FORCE_TEST_KEYBOX,     // User requested calling InstallKeybox.
+    TEST_PROVISION_30,     // Device has OEM Certificate installed.
+  };
+
+  enum DeriveMethod derive_key_method;
+  bool uses_keybox;        // Device uses a keybox to derive session keys.
+  bool uses_certificate;   // Device uses a certificate to derive session keys.
+  bool loads_certificate;  // Device can load a certificate from the server.
+  bool generic_crypto;     // Device supports generic crypto.
+  bool cast_receiver;      // Device supports alternate rsa signature padding.
+  bool usage_table;        // Device saves usage information.
+  bool supports_rsa_3072;  // Device supports 3072 bit RSA keys.
+  uint32_t api_version;
+  OEMCrypto_ProvisioningMethod provisioning_method;
+
+  void Initialize(bool is_cast_receiver, bool force_load_test_keybox);
+  std::string RestrictFilter(const std::string& initial_filter);
+
+ private:
+  void PickDerivedKey();
+  bool IsTestKeyboxInstalled();
+  void FilterOut(std::string* current_filter, const std::string& new_filter);
+};
+
+extern DeviceFeatures global_features;
+const char* ProvisioningMethodName(OEMCrypto_ProvisioningMethod method);
+
+}  // namespace wvoec
+
+#endif  // CDM_OEC_DEVICE_FEATURES_H_