64 lines
2.8 KiB
C++
64 lines
2.8 KiB
C++
#ifndef CDM_OEC_DEVICE_FEATURES_H_
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#define CDM_OEC_DEVICE_FEATURES_H_
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#include <string>
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#include "OEMCryptoCENC.h"
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#include "oemcrypto_types.h"
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namespace wvoec {
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// Keeps track of which features are supported by the version of OEMCrypto being
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// tested. See the integration guide for a list of optional features.
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class DeviceFeatures {
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public:
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// There are several possible methods used to derive a set of known session
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// keys. For example, the test can install a known test keybox, or it can
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// parse the OEM certificate.
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enum DeriveMethod { // Method to use derive session keys.
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NO_METHOD, // Cannot derive known session keys.
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LOAD_TEST_KEYBOX, // Call LoadTestKeybox before deriving keys.
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LOAD_TEST_RSA_KEY, // Call LoadTestRSAKey before deriving keys.
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FORCE_TEST_KEYBOX, // User requested calling InstallKeybox.
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TEST_PROVISION_30, // Device has OEM Certificate installed.
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};
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enum DeriveMethod derive_key_method;
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bool uses_keybox; // Device uses a keybox to derive session keys.
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bool uses_certificate; // Device uses a certificate to derive session keys.
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bool loads_certificate; // Device can load a certificate from the server.
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bool generic_crypto; // Device supports generic crypto.
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bool cast_receiver; // Device supports alternate rsa signature padding.
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bool usage_table; // Device saves usage information.
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bool supports_rsa_3072; // Device supports 3072 bit RSA keys.
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bool supports_level_1; // Device supports Level 1 security.
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uint32_t resource_rating; // Device's resource rating tier.
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bool supports_crc; // Supported decrypt hash type CRC.
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uint32_t api_version;
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OEMCrypto_ProvisioningMethod provisioning_method;
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// This should be called from the test program's main procedure.
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void Initialize(bool is_cast_receiver, bool force_load_test_keybox);
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// Generate a GTest filter of tests that should not be run. This should be
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// called after Initialize. Tests are filtered out based on which features
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// are not supported. For example, a device that uses Provisioning 3.0 will
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// have all keybox tests filtered out.
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std::string RestrictFilter(const std::string& initial_filter);
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private:
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// Decide which method should be used to derive session keys, based on
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// supported featuers.
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void PickDerivedKey();
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// Add a GTest filter restriction to the current filter.
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void FilterOut(std::string* current_filter, const std::string& new_filter);
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};
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// There is one global set of features for the version of OEMCrypto being
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// tested. This should be initialized in the test program's main procedure.
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extern DeviceFeatures global_features;
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const char* ProvisioningMethodName(OEMCrypto_ProvisioningMethod method);
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} // namespace wvoec
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#endif // CDM_OEC_DEVICE_FEATURES_H_
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