// Copyright 2018 Google LLC. All Rights Reserved. This file and proprietary // source code may only be used and distributed under the Widevine Master // License Agreement. #ifndef WVCDM_CORE_WV_CDM_CONSTANTS_H_ #define WVCDM_CORE_WV_CDM_CONSTANTS_H_ #include namespace wvcdm { static const size_t KEY_CONTROL_SIZE = 16; static const size_t KEY_ID_SIZE = 16; static const size_t KEY_IV_SIZE = 16; static const size_t KEY_PAD_SIZE = 16; static const size_t CONTENT_KEY_SIZE = 16; static const size_t SERVICE_KEY_SIZE = 16; static const size_t MAC_KEY_SIZE = 32; static const size_t KEYBOX_KEY_DATA_SIZE = 72; static const size_t SRM_REQUIREMENT_SIZE = 12; // Initial estimate of certificate size. Code that // uses this estimate should be able to adapt to a larger or smaller size. static const size_t CERTIFICATE_DATA_SIZE = 4 * 1024; // Use 0 to represent never expired license as specified in EME spec // (NaN in JS translates to 0 in unix timestamp). static const int64_t NEVER_EXPIRES = 0; static const int64_t UNLIMITED_DURATION = 0; // This is the lower limit. For OEMCrypto v16+ one can query and find how many // are supported static constexpr size_t kMinimumUsageTableEntriesSupported = 200; // Resource rating tiers static const uint32_t RESOURCE_RATING_TIER_LOW = 1u; static const uint32_t RESOURCE_RATING_TIER_MEDIUM = 2u; static const uint32_t RESOURCE_RATING_TIER_HIGH = 3u; static const uint32_t RESOURCE_RATING_TIER_VERY_HIGH = 4u; static const uint32_t RESOURCE_RATING_TIER_MIN = RESOURCE_RATING_TIER_LOW; static const uint32_t RESOURCE_RATING_TIER_MAX = RESOURCE_RATING_TIER_VERY_HIGH; // OEMCrypto features by version static const uint32_t OEM_CRYPTO_API_VERSION_SUPPORTS_RESOURCE_RATING_TIER = 15; static const char SESSION_ID_PREFIX[] = "sid"; static const char KEY_SET_ID_PREFIX[] = "ksid"; static const char KEY_SYSTEM[] = "com.widevine"; // define query keys, values here static const std::string QUERY_KEY_LICENSE_TYPE = "LicenseType"; // "Streaming", "Offline" static const std::string QUERY_KEY_PLAY_ALLOWED = "PlayAllowed"; // "True", "False" static const std::string QUERY_KEY_PERSIST_ALLOWED = "PersistAllowed"; // "True", "False" static const std::string QUERY_KEY_RENEW_ALLOWED = "RenewAllowed"; // "True", "False" static const std::string QUERY_KEY_LICENSE_DURATION_REMAINING = "LicenseDurationRemaining"; // non-negative integer denoting seconds static const std::string QUERY_KEY_PLAYBACK_DURATION_REMAINING = "PlaybackDurationRemaining"; // non-negative integer denoting seconds static const std::string QUERY_KEY_RENEWAL_SERVER_URL = "RenewalServerUrl"; // url static const std::string QUERY_KEY_OEMCRYPTO_SESSION_ID = "OemCryptoSessionId"; // session id static const std::string QUERY_KEY_SECURITY_LEVEL = "SecurityLevel"; // "L1", "L3" static const std::string QUERY_KEY_DEVICE_ID = "DeviceID"; // device unique id static const std::string QUERY_KEY_SYSTEM_ID = "SystemID"; // system id static const std::string QUERY_KEY_PROVISIONING_ID = "ProvisioningID"; // provisioning unique id static const std::string QUERY_KEY_CURRENT_HDCP_LEVEL = "HdcpLevel"; // current HDCP level static const std::string QUERY_KEY_MAX_HDCP_LEVEL = "MaxHdcpLevel"; // maximum supported HDCP level static const std::string QUERY_KEY_USAGE_SUPPORT = "UsageSupport"; // whether usage reporting is supported static const std::string QUERY_KEY_NUMBER_OF_OPEN_SESSIONS = "NumberOfOpenSessions"; static const std::string QUERY_KEY_MAX_NUMBER_OF_SESSIONS = "MaxNumberOfSessions"; static const std::string QUERY_KEY_OEMCRYPTO_API_VERSION = "OemCryptoApiVersion"; static const std::string QUERY_KEY_CURRENT_SRM_VERSION = "CurrentSRMVersion"; static const std::string QUERY_KEY_SRM_UPDATE_SUPPORT = "SRMUpdateSupport"; // whether OEM supports SRM update static const std::string QUERY_KEY_WVCDM_VERSION = "WidevineCdmVersion"; static const std::string QUERY_KEY_RESOURCE_RATING_TIER = "ResourceRatingTier"; static const std::string QUERY_KEY_OEMCRYPTO_BUILD_INFORMATION = "OemCryptoBuildInformation"; static const std::string QUERY_KEY_DECRYPT_HASH_SUPPORT = "DecryptHashSupport"; static const std::string QUERY_KEY_PROVISIONING_MODEL = "ProvisioningModel"; static const std::string QUERY_KEY_MAX_USAGE_TABLE_ENTRIES = "MaxNumberOfUsageTableEntries"; static const std::string QUERY_KEY_OEMCRYPTO_API_MINOR_VERSION = "OemCryptoApiMinorVersion"; static const std::string QUERY_VALUE_TRUE = "True"; static const std::string QUERY_VALUE_FALSE = "False"; static const std::string QUERY_VALUE_NONE = "None"; static const std::string QUERY_VALUE_STREAMING = "Streaming"; static const std::string QUERY_VALUE_OFFLINE = "Offline"; static const std::string QUERY_VALUE_SECURITY_LEVEL_L1 = "L1"; static const std::string QUERY_VALUE_SECURITY_LEVEL_L2 = "L2"; static const std::string QUERY_VALUE_SECURITY_LEVEL_L3 = "L3"; static const std::string QUERY_VALUE_SECURITY_LEVEL_UNKNOWN = "Unknown"; static const std::string QUERY_VALUE_SECURITY_LEVEL_DEFAULT = "Default"; static const std::string QUERY_VALUE_HDCP_NO_DIGITAL_OUTPUT = "Disconnected"; static const std::string QUERY_VALUE_HDCP_NONE = "Unprotected"; static const std::string QUERY_VALUE_HDCP_V1 = "HDCP-1.x"; static const std::string QUERY_VALUE_HDCP_V2_0 = "HDCP-2.0"; static const std::string QUERY_VALUE_HDCP_V2_1 = "HDCP-2.1"; static const std::string QUERY_VALUE_HDCP_V2_2 = "HDCP-2.2"; static const std::string QUERY_VALUE_HDCP_V2_3 = "HDCP-2.3"; static const std::string QUERY_VALUE_HDCP_LEVEL_UNKNOWN = "HDCP-LevelUnknown"; static const std::string QUERY_VALUE_DRM_CERTIFICATE = "DrmCertificate"; static const std::string QUERY_VALUE_KEYBOX = "Keybox"; static const std::string QUERY_VALUE_OEM_CERTIFICATE = "OEMCertificate"; static const std::string ISO_BMFF_VIDEO_MIME_TYPE = "video/mp4"; static const std::string ISO_BMFF_AUDIO_MIME_TYPE = "audio/mp4"; static const std::string WEBM_VIDEO_MIME_TYPE = "video/webm"; static const std::string WEBM_AUDIO_MIME_TYPE = "audio/webm"; static const std::string CENC_INIT_DATA_FORMAT = "cenc"; static const std::string HLS_INIT_DATA_FORMAT = "hls"; static const std::string WEBM_INIT_DATA_FORMAT = "webm"; static const std::string HLS_KEYFORMAT_ATTRIBUTE = "KEYFORMAT"; static const std::string HLS_KEYFORMAT_VERSIONS_ATTRIBUTE = "KEYFORMATVERSIONS"; static const std::string HLS_KEYFORMAT_VERSION_VALUE_1 = "1"; static const std::string HLS_METHOD_ATTRIBUTE = "METHOD"; static const std::string HLS_METHOD_AES_128 = "AES-128"; static const std::string HLS_METHOD_NONE = "NONE"; static const std::string HLS_METHOD_SAMPLE_AES = "SAMPLE-AES"; static const std::string HLS_IV_ATTRIBUTE = "IV"; static const std::string HLS_URI_ATTRIBUTE = "URI"; static const char EMPTY_ORIGIN[] = ""; static const char EMPTY_SPOID[] = ""; // Policy engine HDCP enforcement static const uint32_t HDCP_UNSPECIFIED_VIDEO_RESOLUTION = 0; static const int64_t HDCP_DEVICE_CHECK_INTERVAL = 10; static const char EMPTY_APP_PACKAGE_NAME[] = ""; } // namespace wvcdm #endif // WVCDM_CORE_WV_CDM_CONSTANTS_H_