150 lines
6.4 KiB
C++
150 lines
6.4 KiB
C++
// Copyright 2018 Google LLC. All Rights Reserved. This file and proprietary
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// source code may only be used and distributed under the Widevine Master
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// License Agreement.
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//
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#ifndef WVCDM_CORE_OEMCRYPTO_ADAPTER_H_
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#define WVCDM_CORE_OEMCRYPTO_ADAPTER_H_
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#include "OEMCryptoCENC.h"
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#include "wv_cdm_types.h"
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namespace wvcdm {
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// This attempts to open a session at the desired security level.
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// If one level is not available, the other will be used instead.
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OEMCryptoResult OEMCrypto_OpenSession(OEMCrypto_SESSION* session,
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SecurityLevel level);
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OEMCryptoResult OEMCrypto_InstallKeybox(const uint8_t* keybox,
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size_t keyBoxLength,
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SecurityLevel level);
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OEMCryptoResult OEMCrypto_IsKeyboxOrOEMCertValid(SecurityLevel level);
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OEMCryptoResult OEMCrypto_GetDeviceID(uint8_t* deviceID, size_t* idLength,
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SecurityLevel level);
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OEMCryptoResult OEMCrypto_GetKeyData(uint8_t* keyData, size_t* keyDataLength,
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SecurityLevel level);
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uint32_t OEMCrypto_APIVersion(SecurityLevel level);
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uint32_t OEMCrypto_MinorAPIVersion(SecurityLevel level);
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const char* OEMCrypto_SecurityLevel(SecurityLevel level);
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OEMCryptoResult OEMCrypto_GetHDCPCapability(SecurityLevel level,
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OEMCrypto_HDCP_Capability* current,
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OEMCrypto_HDCP_Capability* maximum);
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bool OEMCrypto_SupportsUsageTable(SecurityLevel level);
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bool OEMCrypto_IsAntiRollbackHwPresent(SecurityLevel level);
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OEMCryptoResult OEMCrypto_GetNumberOfOpenSessions(SecurityLevel level,
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size_t* count);
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OEMCryptoResult OEMCrypto_GetMaxNumberOfSessions(SecurityLevel level,
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size_t* maximum);
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uint8_t OEMCrypto_Security_Patch_Level(SecurityLevel level);
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OEMCrypto_ProvisioningMethod OEMCrypto_GetProvisioningMethod(
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SecurityLevel level);
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uint32_t OEMCrypto_SupportedCertificates(SecurityLevel level);
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OEMCryptoResult OEMCrypto_CreateUsageTableHeader(SecurityLevel level,
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uint8_t* header_buffer,
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size_t* header_buffer_length);
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OEMCryptoResult OEMCrypto_LoadUsageTableHeader(SecurityLevel level,
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const uint8_t* buffer,
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size_t buffer_length);
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OEMCryptoResult OEMCrypto_ShrinkUsageTableHeader(SecurityLevel level,
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uint32_t new_table_size,
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uint8_t* header_buffer,
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size_t* header_buffer_length);
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uint32_t OEMCrypto_GetAnalogOutputFlags(SecurityLevel level);
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const char* OEMCrypto_BuildInformation(SecurityLevel level);
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uint32_t OEMCrypto_ResourceRatingTier(SecurityLevel level);
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uint32_t OEMCrypto_SupportsDecryptHash(SecurityLevel level);
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size_t OEMCrypto_MaximumUsageTableHeaderSize(SecurityLevel level);
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OEMCryptoResult OEMCrypto_GetOEMPublicCertificate(uint8_t* public_cert,
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size_t* public_cert_length,
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SecurityLevel level);
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} // namespace wvcdm
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/* The following functions are deprecated in OEMCrypto v13. They are defined
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* here so that core cdm code may be backwards compatible with an OEMCrypto
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* v12.
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*/
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extern "C" {
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typedef struct { // Used for backwards compatibility.
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const uint8_t* key_id;
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size_t key_id_length;
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const uint8_t* key_data_iv;
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const uint8_t* key_data;
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size_t key_data_length;
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const uint8_t* key_control_iv;
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const uint8_t* key_control;
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} OEMCrypto_KeyObject_V10;
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typedef struct { // Used for backwards compatibility.
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const uint8_t* key_id;
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size_t key_id_length;
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const uint8_t* key_data_iv;
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const uint8_t* key_data;
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size_t key_data_length;
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const uint8_t* key_control_iv;
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const uint8_t* key_control;
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OEMCryptoCipherMode cipher_mode;
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} OEMCrypto_KeyObject_V13;
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typedef struct {
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const uint8_t* key_id;
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size_t key_id_length;
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const uint8_t* key_data_iv;
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const uint8_t* key_data;
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size_t key_data_length;
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const uint8_t* key_control_iv;
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const uint8_t* key_control;
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} OEMCrypto_KeyObject_V14;
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// Backwards compitiblity between v14 and v13.
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OEMCryptoResult OEMCrypto_LoadKeys_Back_Compat(
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OEMCrypto_SESSION session, const uint8_t* message, size_t message_length,
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const uint8_t* signature, size_t signature_length,
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OEMCrypto_Substring enc_mac_keys_iv, OEMCrypto_Substring enc_mac_keys,
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size_t num_keys, const OEMCrypto_KeyObject* key_array,
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OEMCrypto_Substring pst, OEMCrypto_Substring srm_restriction_data,
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OEMCrypto_LicenseType license_type, OEMCryptoCipherMode* cipher_modes);
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OEMCryptoResult OEMCrypto_DeactivateUsageEntry_V12(const uint8_t* pst,
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size_t pst_length);
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typedef struct {
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const uint8_t* entitlement_key_id;
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size_t entitlement_key_id_length;
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const uint8_t* content_key_id;
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size_t content_key_id_length;
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const uint8_t* content_key_data_iv;
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const uint8_t* content_key_data;
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size_t content_key_data_length;
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} OEMCrypto_EntitledContentKeyObject_V14;
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typedef struct {
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const uint8_t* key_id;
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size_t key_id_length;
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const uint8_t* key_control_iv;
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const uint8_t* key_control;
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} OEMCrypto_KeyRefreshObject_V14;
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OEMCryptoResult OEMCrypto_LoadKeys_V14(
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OEMCrypto_SESSION session, const uint8_t* message, size_t message_length,
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const uint8_t* signature, size_t signature_length,
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const uint8_t* enc_mac_keys_iv, const uint8_t* enc_mac_keys,
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size_t num_keys, const OEMCrypto_KeyObject_V14* key_array,
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const uint8_t* pst, size_t pst_length, const uint8_t* srm_requirement,
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OEMCrypto_LicenseType license_type);
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OEMCryptoResult OEMCrypto_LoadEntitledContentKeys_V14(
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OEMCrypto_SESSION session, size_t num_keys,
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const OEMCrypto_EntitledContentKeyObject_V14* key_array);
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OEMCryptoResult OEMCrypto_RefreshKeys_V14(
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OEMCrypto_SESSION session, const uint8_t* message, size_t message_length,
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const uint8_t* signature, size_t signature_length, size_t num_keys,
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const OEMCrypto_KeyRefreshObject_V14* key_array);
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OEMCryptoResult OEMCrypto_CopyBuffer_V14(
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const uint8_t* data_addr, size_t data_length,
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OEMCrypto_DestBufferDesc* out_buffer_descriptor, uint8_t subsample_flags);
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} // extern "C"
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#endif // WVCDM_CORE_OEMCRYPTO_ADAPTER_H_
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