Files
media_cas_client/oemcrypto/include/OEMCryptoCENCCommon.h
Lu Chen 5f209e6980 V18.4.0 CAS plugin
Note that this version does not have Widevine Provisioning 4.0 support.
It is only suitable for device upgrades. A new patch with provisioning
4.0 support will be made later.
2024-02-22 13:45:32 -08:00

263 lines
10 KiB
C

// Copyright 2019 Google LLC. All rights reserved. This file and proprietary
// source code may only be used and distributed under the Widevine
// License Agreement.
/*********************************************************************
* OEMCryptoCENCCommon.h
*
* Common structures and error codes between WV servers and OEMCrypto.
*
*********************************************************************/
#ifndef WIDEVINE_ODK_INCLUDE_OEMCRYPTOCENCCOMMON_H_
#define WIDEVINE_ODK_INCLUDE_OEMCRYPTOCENCCOMMON_H_
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
/// @addtogroup common_types
/// @{
/* clang-format off */
/** Error and result codes returned by OEMCrypto functions. */
typedef enum OEMCryptoResult {
OEMCrypto_SUCCESS = 0,
OEMCrypto_ERROR_INIT_FAILED = 1,
OEMCrypto_ERROR_TERMINATE_FAILED = 2,
OEMCrypto_ERROR_OPEN_FAILURE = 3,
OEMCrypto_ERROR_CLOSE_FAILURE = 4,
OEMCrypto_ERROR_ENTER_SECURE_PLAYBACK_FAILED = 5, /* deprecated */
OEMCrypto_ERROR_EXIT_SECURE_PLAYBACK_FAILED = 6, /* deprecated */
OEMCrypto_ERROR_SHORT_BUFFER = 7,
OEMCrypto_ERROR_NO_DEVICE_KEY = 8, /* no keybox device key. */
OEMCrypto_ERROR_NO_ASSET_KEY = 9,
OEMCrypto_ERROR_KEYBOX_INVALID = 10,
OEMCrypto_ERROR_NO_KEYDATA = 11,
OEMCrypto_ERROR_NO_CW = 12,
OEMCrypto_ERROR_DECRYPT_FAILED = 13,
OEMCrypto_ERROR_WRITE_KEYBOX = 14,
OEMCrypto_ERROR_WRAP_KEYBOX = 15,
OEMCrypto_ERROR_BAD_MAGIC = 16,
OEMCrypto_ERROR_BAD_CRC = 17,
OEMCrypto_ERROR_NO_DEVICEID = 18,
OEMCrypto_ERROR_RNG_FAILED = 19,
OEMCrypto_ERROR_RNG_NOT_SUPPORTED = 20,
OEMCrypto_ERROR_SETUP = 21,
OEMCrypto_ERROR_OPEN_SESSION_FAILED = 22,
OEMCrypto_ERROR_CLOSE_SESSION_FAILED = 23,
OEMCrypto_ERROR_INVALID_SESSION = 24,
OEMCrypto_ERROR_NOT_IMPLEMENTED = 25,
OEMCrypto_ERROR_NO_CONTENT_KEY = 26,
OEMCrypto_ERROR_CONTROL_INVALID = 27,
OEMCrypto_ERROR_UNKNOWN_FAILURE = 28,
OEMCrypto_ERROR_INVALID_CONTEXT = 29,
OEMCrypto_ERROR_SIGNATURE_FAILURE = 30,
OEMCrypto_ERROR_TOO_MANY_SESSIONS = 31,
OEMCrypto_ERROR_INVALID_NONCE = 32,
OEMCrypto_ERROR_TOO_MANY_KEYS = 33,
OEMCrypto_ERROR_DEVICE_NOT_RSA_PROVISIONED = 34,
OEMCrypto_ERROR_INVALID_RSA_KEY = 35, /* deprecated */
OEMCrypto_ERROR_KEY_EXPIRED = 36,
OEMCrypto_ERROR_INSUFFICIENT_RESOURCES = 37,
OEMCrypto_ERROR_INSUFFICIENT_HDCP = 38,
OEMCrypto_ERROR_BUFFER_TOO_LARGE = 39,
OEMCrypto_WARNING_GENERATION_SKEW = 40, /* Warning, not error. */
OEMCrypto_ERROR_GENERATION_SKEW = 41,
OEMCrypto_LOCAL_DISPLAY_ONLY = 42, /* Info, not an error. */
OEMCrypto_ERROR_ANALOG_OUTPUT = 43,
OEMCrypto_ERROR_WRONG_PST = 44,
OEMCrypto_ERROR_WRONG_KEYS = 45,
OEMCrypto_ERROR_MISSING_MASTER = 46,
OEMCrypto_ERROR_LICENSE_INACTIVE = 47,
OEMCrypto_ERROR_ENTRY_NEEDS_UPDATE = 48,
OEMCrypto_ERROR_ENTRY_IN_USE = 49,
OEMCrypto_ERROR_USAGE_TABLE_UNRECOVERABLE = 50, /* Obsolete. Don't use. */
/* Use OEMCrypto_ERROR_NO_CONTENT_KEY instead of KEY_NOT_LOADED. */
OEMCrypto_KEY_NOT_LOADED = 51, /* Obsolete. */
OEMCrypto_KEY_NOT_ENTITLED = 52,
OEMCrypto_ERROR_BAD_HASH = 53,
OEMCrypto_ERROR_OUTPUT_TOO_LARGE = 54,
OEMCrypto_ERROR_SESSION_LOST_STATE = 55,
OEMCrypto_ERROR_SYSTEM_INVALIDATED = 56,
OEMCrypto_ERROR_LICENSE_RELOAD = 57,
OEMCrypto_ERROR_MULTIPLE_USAGE_ENTRIES = 58,
OEMCrypto_WARNING_MIXED_OUTPUT_PROTECTION = 59,
OEMCrypto_ERROR_INVALID_ENTITLED_KEY_SESSION = 60,
OEMCrypto_ERROR_NEEDS_KEYBOX_PROVISIONING = 61,
OEMCrypto_ERROR_UNSUPPORTED_CIPHER = 62,
OEMCrypto_ERROR_DVR_FORBIDDEN = 63,
OEMCrypto_ERROR_INSUFFICIENT_PRIVILEGE = 64,
OEMCrypto_ERROR_INVALID_KEY = 65,
/* ODK return values */
ODK_ERROR_BASE = 1000,
ODK_ERROR_CORE_MESSAGE = ODK_ERROR_BASE,
ODK_SET_TIMER = ODK_ERROR_BASE + 1,
ODK_DISABLE_TIMER = ODK_ERROR_BASE + 2,
ODK_TIMER_EXPIRED = ODK_ERROR_BASE + 3,
ODK_UNSUPPORTED_API = ODK_ERROR_BASE + 4,
ODK_STALE_RENEWAL = ODK_ERROR_BASE + 5,
/* OPK return values */
OPK_ERROR_BASE = 2000,
OPK_ERROR_REMOTE_CALL = OPK_ERROR_BASE,
OPK_ERROR_INCOMPATIBLE_VERSION = OPK_ERROR_BASE + 1,
OPK_ERROR_NO_PERSISTENT_DATA = OPK_ERROR_BASE + 2,
OPK_ERROR_PREHOOK_FAILURE = OPK_ERROR_BASE + 3,
OPK_ERROR_POSTHOOK_FAILURE = OPK_ERROR_BASE + 4,
} OEMCryptoResult;
/* clang-format on */
/**
* Valid values for status in the usage table.
*/
typedef enum OEMCrypto_Usage_Entry_Status {
kUnused = 0,
kActive = 1,
kInactive = 2, /* Deprecated. Use kInactiveUsed or kInactiveUnused. */
kInactiveUsed = 3,
kInactiveUnused = 4,
} OEMCrypto_Usage_Entry_Status;
/* Not used publicly. Not documented with Doxygen. */
typedef enum OEMCrypto_ProvisioningRenewalType {
OEMCrypto_NoRenewal = 0,
OEMCrypto_RenewalACert = 1,
} OEMCrypto_ProvisioningRenewalType;
/**
* OEMCrypto_LicenseType is used in the license message to indicate if the key
* objects are for content keys, or for entitlement keys.
*/
typedef enum OEMCrypto_LicenseType {
OEMCrypto_ContentLicense = 0,
OEMCrypto_EntitlementLicense = 1,
OEMCrypto_LicenseType_MaxValue = OEMCrypto_EntitlementLicense,
} OEMCrypto_LicenseType;
/**
* Private key type used in the provisioning response.
*/
typedef enum OEMCrypto_PrivateKeyType {
OEMCrypto_RSA_Private_Key = 0,
OEMCrypto_ECC_Private_Key = 1,
OEMCrypto_PrivateKeyType_MaxValue = OEMCrypto_ECC_Private_Key,
} OEMCrypto_PrivateKeyType;
/**
* The base for (delayed) timers, i.e. from what time the (delayed) timer
* starts.
*/
typedef enum OEMCrypto_TimerDelayBase {
OEMCrypto_License_Start = 0,
OEMCrypto_License_Load = 1,
OEMCrypto_First_Decrypt = 2,
OEMCrypto_TimerDelayBase_MaxValue = OEMCrypto_First_Decrypt,
} OEMCrypto_TimerDelayBase;
/**
* Used to indicate a substring of a signed message in ODK_ParseLicense
* and other functions which must verify that a parameter is contained within a
* signed message.
*/
typedef struct {
size_t offset;
size_t length;
} OEMCrypto_Substring;
/**
* Used to specify information about CMI Descriptor 0.
* @param id: ID value of CMI Descriptor assigned by DTLA.
* @param length: byte length of the usage rules field.
* @param data: usage rules data.
*/
typedef struct {
uint8_t id; // 0x00
uint8_t extension; // 0x00
uint16_t length; // 0x01
uint8_t data;
} OEMCrypto_DTCP2_CMI_Descriptor_0;
/**
* Used to specify information about CMI Descriptor 1.
* @param id: ID value of CMI Descriptor assigned by DTLA.
* @param extension: specified by the CMI descriptor
* @param length: byte length of the usage rules field.
* @param data: usage rules data.
*/
typedef struct {
uint8_t id; // 0x01
uint8_t extension; // 0x00
uint16_t length; // 0x03
uint8_t data[3];
} OEMCrypto_DTCP2_CMI_Descriptor_1;
/**
* Used to specify information about CMI Descriptor 2.
* @param id: ID value of CMI Descriptor assigned by DTLA.
* @param extension: specified by the CMI descriptor
* @param length: byte length of the usage rules field.
* @param data: usage rules data.
*/
typedef struct {
uint8_t id; // 0x02
uint8_t extension; // 0x00
uint16_t length; // 0x03
uint8_t data[3];
} OEMCrypto_DTCP2_CMI_Descriptor_2;
/**
* Used to specify the required DTCP2 level. If dtcp2_required is 0, there are
* no requirements on any of the keys. If dtcp2_required is 1, any key with the
* kControlHDCPRequired bit set requires DTCP2 in its output.
* @param dtcp2_required: specifies whether dtcp2 is required. 0 = not required,
* 1 = DTCP2 required.
* @param cmi_descriptor_1: three bytes of CMI descriptor 1
*/
typedef struct {
uint8_t dtcp2_required; // 0 = not required. 1 = DTCP2 v1 required.
OEMCrypto_DTCP2_CMI_Descriptor_0 cmi_descriptor_0;
OEMCrypto_DTCP2_CMI_Descriptor_1 cmi_descriptor_1;
OEMCrypto_DTCP2_CMI_Descriptor_2 cmi_descriptor_2;
} OEMCrypto_DTCP2_CMI_Packet;
/**
* Points to the relevant fields for a content key. The fields are extracted
* from the License Response message offered to ODK_ParseLicense(). Each
* field points to one of the components of the key. Key data, key control,
* and both IV fields are 128 bits (16 bytes):
* @param key_id: the unique id of this key.
* @param key_id_length: the size of key_id. OEMCrypto may assume this is at
* most 16. However, OEMCrypto shall correctly handle key id lengths
* from 1 to 16 bytes.
* @param key_data_iv: the IV for performing AES-128-CBC decryption of the
* key_data field.
* @param key_data - the key data. It is encrypted (AES-128-CBC) with the
* session's derived encrypt key and the key_data_iv.
* @param key_control_iv: the IV for performing AES-128-CBC decryption of the
* key_control field.
* @param key_control: the key control block. It is encrypted (AES-128-CBC) with
* the content key from the key_data field.
*
* The memory for the OEMCrypto_KeyObject fields is allocated and freed
* by the caller of ODK_ParseLicense().
*/
typedef struct {
OEMCrypto_Substring key_id;
OEMCrypto_Substring key_data_iv;
OEMCrypto_Substring key_data;
OEMCrypto_Substring key_control_iv;
OEMCrypto_Substring key_control;
} OEMCrypto_KeyObject;
/// @}
#ifdef __cplusplus
}
#endif
#endif // WIDEVINE_ODK_INCLUDE_OEMCRYPTOCENCCOMMON_H_