Files
ce_cdm/oemcrypto/test/oec_device_features.h
2019-03-29 18:16:05 -07:00

64 lines
2.8 KiB
C++

#ifndef CDM_OEC_DEVICE_FEATURES_H_
#define CDM_OEC_DEVICE_FEATURES_H_
#include <string>
#include "OEMCryptoCENC.h"
#include "oemcrypto_types.h"
namespace wvoec {
// Keeps track of which features are supported by the version of OEMCrypto being
// tested. See the integration guide for a list of optional features.
class DeviceFeatures {
public:
// There are several possible methods used to derive a set of known session
// keys. For example, the test can install a known test keybox, or it can
// parse the OEM certificate.
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.
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.
bool supports_level_1; // Device supports Level 1 security.
uint32_t resource_rating; // Device's resource rating tier.
bool supports_crc; // Supported decrypt hash type CRC.
uint32_t api_version;
OEMCrypto_ProvisioningMethod provisioning_method;
// This should be called from the test program's main procedure.
void Initialize(bool is_cast_receiver, bool force_load_test_keybox);
// Generate a GTest filter of tests that should not be run. This should be
// called after Initialize. Tests are filtered out based on which features
// are not supported. For example, a device that uses Provisioning 3.0 will
// have all keybox tests filtered out.
std::string RestrictFilter(const std::string& initial_filter);
private:
// Decide which method should be used to derive session keys, based on
// supported featuers.
void PickDerivedKey();
// Add a GTest filter restriction to the current filter.
void FilterOut(std::string* current_filter, const std::string& new_filter);
};
// There is one global set of features for the version of OEMCrypto being
// tested. This should be initialized in the test program's main procedure.
extern DeviceFeatures global_features;
const char* ProvisioningMethodName(OEMCrypto_ProvisioningMethod method);
} // namespace wvoec
#endif // CDM_OEC_DEVICE_FEATURES_H_