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Merge recent doc changes for OEMCrypto

Browse Source 
This is a cherry pick of recent changes to OEMCrypto and ODK. Most of
these are part of the document migration to doxygen.

See http://go/wvgerrit/106005 and its parents for code reviews.

Bug: 144715340
Bug: 148232693
Bug: 167580674
Change-Id: I658f99c8117b974faed97322d61fac0f382283af
This commit is contained in:
Fred Gylys-Colwell
2020-09-11 13:30:58 -07:00
parent 28b13ef65e
commit 20bb84ffee
75 changed files with 5717 additions and 4488 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
libwvdrmengine/oemcrypto/odk/src/core_message_deserialize.cpp
View File

@@ -39,8 +39,8 @@ bool ParseRequest(uint32_t message_type,
reinterpret_cast<const uint8_t*>(oemcrypto_core_message.c_str());
const size_t buf_length = oemcrypto_core_message.size();
Message* msg = nullptr;
AllocateMessage(&msg, message_block);
uint8_t blk[SIZE_OF_MESSAGE_STRUCT];
Message* msg = reinterpret_cast<Message*>(blk);
InitMessage(msg, const_cast<uint8_t*>(buf), buf_length);
SetSize(msg, buf_length);
@@ -70,7 +70,8 @@ bool ParseRequest(uint32_t message_type,
// For v16, a release and a renewal use the same message structure.
// However, for future API versions, the release might be a separate
// message. Otherwise, we expect an exact match of message types.
if (core_message.message_type != message_type &&
if (message_type != ODK_Common_Request_Type &&
core_message.message_type != message_type &&
!(message_type == ODK_Renewal_Request_Type &&
core_message.message_type == ODK_Release_Request_Type)) {
return false;
@@ -129,5 +130,13 @@ bool CoreProvisioningRequestFromMessage(
return true;
}
bool CoreCommonRequestFromMessage(const std::string& oemcrypto_core_message,
ODK_CommonRequest* common_request) {
const auto unpacker = Unpack_ODK_PreparedCommonRequest;
ODK_PreparedCommonRequest prepared_common = {};
return ParseRequest(ODK_Common_Request_Type, oemcrypto_core_message,
common_request, &prepared_common, unpacker);
}
} // namespace deserialize
} // namespace oemcrypto_core_message

4
libwvdrmengine/oemcrypto/odk/src/core_message_serialize.cpp
View File

@@ -50,8 +50,8 @@ bool CreateResponse(uint32_t message_type, const S& core_request,
static constexpr size_t BUF_CAPACITY = 2048;
std::vector<uint8_t> buf(BUF_CAPACITY, 0);
Message* msg = nullptr;
AllocateMessage(&msg, message_block);
uint8_t blk[SIZE_OF_MESSAGE_STRUCT];
Message* msg = reinterpret_cast<Message*>(blk);
InitMessage(msg, buf.data(), buf.capacity());
packer(msg, &response);
if (!ValidMessage(msg)) {

17
libwvdrmengine/oemcrypto/odk/src/core_message_serialize_proto.cpp
View File

@@ -90,17 +90,14 @@ bool CreateCoreLicenseResponseFromProto(const std::string& serialized_license,
parsed_lic.enc_mac_keys = GetOecSubstring(serialized_license, k.key());
break;
}
case video_widevine::License_KeyContainer::CONTENT: {
any_content = true;
if (parsed_lic.key_array_length >= ODK_MAX_NUM_KEYS) {
return false;
}
uint32_t& n = parsed_lic.key_array_length;
parsed_lic.key_array[n++] = KeyContainerToOecKey(serialized_license, k);
break;
}
case video_widevine::License_KeyContainer::CONTENT:
case video_widevine::License_KeyContainer::OPERATOR_SESSION:
case video_widevine::License_KeyContainer::ENTITLEMENT: {
any_entitlement = true;
if (k.type() == video_widevine::License_KeyContainer::ENTITLEMENT) {
any_entitlement = true;
} else {
any_content = true;
}
if (parsed_lic.key_array_length >= ODK_MAX_NUM_KEYS) {
return false;
}

43
libwvdrmengine/oemcrypto/odk/src/odk.c
View File

@@ -1,6 +1,6 @@
/* Copyright 2019 Google LLC. All rights reserved. This file and proprietary */
/* source code may only be used and distributed under the Widevine Master */
/* License Agreement. */
// Copyright 2019 Google LLC. All rights reserved. This file and proprietary
// source code may only be used and distributed under the Widevine Master
// License Agreement.
#include "odk.h"
@@ -19,7 +19,7 @@
static OEMCryptoResult ODK_PrepareRequest(
uint8_t* message, size_t message_length, size_t* core_message_length,
uint32_t message_type, const ODK_NonceValues* nonce_values,
ODK_MessageType message_type, const ODK_NonceValues* nonce_values,
void* prepared_request_buffer, size_t prepared_request_buffer_length) {
if (nonce_values == NULL || core_message_length == NULL ||
prepared_request_buffer == NULL ||
@@ -27,8 +27,8 @@ static OEMCryptoResult ODK_PrepareRequest(
return ODK_ERROR_CORE_MESSAGE;
}
Message* msg = NULL;
AllocateMessage(&msg, message_block);
uint8_t blk[SIZE_OF_MESSAGE_STRUCT];
Message* msg = (Message*)blk;
InitMessage(msg, message, *core_message_length);
/* The core message should be at the beginning of the buffer, and with a
@@ -95,18 +95,24 @@ static OEMCryptoResult ODK_PrepareRequest(
static OEMCryptoResult ODK_ParseResponse(
const uint8_t* message, size_t message_length, size_t core_message_length,
uint32_t message_type, const ODK_NonceValues* nonce_values,
ODK_MessageType message_type, const ODK_NonceValues* nonce_values,
void* response_buffer, uint32_t response_buffer_length) {
if (message == NULL || response_buffer == NULL ||
core_message_length > message_length) {
return ODK_ERROR_CORE_MESSAGE;
}
Message* msg = NULL;
AllocateMessage(&msg, message_block);
uint8_t blk[SIZE_OF_MESSAGE_STRUCT];
Message* msg = (Message*)blk;
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-qual"
/* We initialize the message buffer with a size of the entire message
* length. */
/* TODO(b/164486737): Fix the cast-qual warning */
InitMessage(msg, (uint8_t*)message, message_length);
#pragma GCC diagnostic pop
/* The core message should be at the beginning of the buffer, and with a
* shorter length. The core message is the part we are parsing. */
SetSize(msg, core_message_length);
@@ -168,7 +174,7 @@ OEMCryptoResult ODK_PrepareCoreLicenseRequest(
return ODK_ERROR_CORE_MESSAGE;
}
ODK_PreparedLicenseRequest license_request = {
{0},
{0, 0, {}},
};
return ODK_PrepareRequest(
message, message_length, core_message_length, ODK_License_Request_Type,
@@ -197,7 +203,7 @@ OEMCryptoResult ODK_PrepareCoreRenewalRequest(uint8_t* message,
return OEMCrypto_SUCCESS;
}
ODK_PreparedRenewalRequest renewal_request = {{0}, 0};
ODK_PreparedRenewalRequest renewal_request = {{0, 0, {}}, 0};
/* First, we compute the time this request was made relative to the playback
* clock. */
if (clock_values->time_of_first_decrypt == 0) {
@@ -231,14 +237,14 @@ OEMCryptoResult ODK_PrepareCoreProvisioningRequest(
return ODK_ERROR_CORE_MESSAGE;
}
ODK_PreparedProvisioningRequest provisioning_request = {
{0},
{0, 0, {}},
0,
{0},
};
if (device_id_length > sizeof(provisioning_request.device_id)) {
return ODK_ERROR_CORE_MESSAGE;
}
provisioning_request.device_id_length = device_id_length;
provisioning_request.device_id_length = (uint32_t)device_id_length;
if (device_id) {
memcpy(provisioning_request.device_id, device_id, device_id_length);
}
@@ -261,7 +267,9 @@ OEMCryptoResult ODK_ParseLicense(
return ODK_ERROR_CORE_MESSAGE;
}
ODK_LicenseResponse license_response = {{{0}}, parsed_license, {0}};
ODK_LicenseResponse license_response = {{{0, 0, {}}}, NULL, {0}};
license_response.parsed_license = parsed_license;
const OEMCryptoResult err = ODK_ParseResponse(
message, message_length, core_message_length, ODK_License_Response_Type,
NULL, &license_response, sizeof(ODK_LicenseResponse));
@@ -342,7 +350,7 @@ OEMCryptoResult ODK_ParseRenewal(const uint8_t* message, size_t message_length,
}
ODK_RenewalResponse renewal_response = {
{{0}, 0},
{{0, 0, {}}, 0},
0,
};
const OEMCryptoResult err = ODK_ParseResponse(
@@ -378,8 +386,9 @@ OEMCryptoResult ODK_ParseProvisioning(
return ODK_ERROR_CORE_MESSAGE;
}
ODK_ProvisioningResponse provisioning_response = {{{0}, 0, {0}},
parsed_response};
ODK_ProvisioningResponse provisioning_response = {{{0, 0, {}}, 0, {0}}, NULL};
provisioning_response.parsed_provisioning = parsed_response;
if (device_id_length > ODK_DEVICE_ID_LEN_MAX) {
return ODK_ERROR_CORE_MESSAGE;
}

8
libwvdrmengine/oemcrypto/odk/src/odk_assert.h
View File

@@ -1,6 +1,6 @@
/* Copyright 2019 Google LLC. All rights reserved. This file and proprietary */
/* source code may only be used and distributed under the Widevine Master */
/* License Agreement. */
// Copyright 2019 Google LLC. All rights reserved. This file and proprietary
// source code may only be used and distributed under the Widevine Master
// License Agreement.
#ifndef WIDEVINE_ODK_SRC_ODK_ASSERT_H_
#define WIDEVINE_ODK_SRC_ODK_ASSERT_H_
@@ -21,4 +21,4 @@ extern "C" {
}
#endif
#endif /* WIDEVINE_ODK_SRC_ODK_ASSERT_H_ */
#endif // WIDEVINE_ODK_SRC_ODK_ASSERT_H_

10
libwvdrmengine/oemcrypto/odk/src/odk_endian.h
View File

@@ -1,6 +1,6 @@
/* Copyright 2019 Google LLC. All rights reserved. This file and proprietary */
/* source code may only be used and distributed under the Widevine Master */
/* License Agreement. */
// Copyright 2019 Google LLC. All rights reserved. This file and proprietary
// source code may only be used and distributed under the Widevine Master
// License Agreement.
#ifndef WIDEVINE_ODK_SRC_ODK_ENDIAN_H_
#define WIDEVINE_ODK_SRC_ODK_ENDIAN_H_
@@ -15,7 +15,7 @@ extern "C" {
#define oemcrypto_be32toh be32toh
#define oemcrypto_htobe64 htobe64
#define oemcrypto_be64toh be64toh
#else /* defined(__linux__) || defined(__ANDROID__) */
#else /* defined(__linux__) || defined(__ANDROID__) */
uint32_t oemcrypto_htobe32(uint32_t u32);
uint32_t oemcrypto_be32toh(uint32_t u32);
uint64_t oemcrypto_htobe64(uint64_t u64);
@@ -26,4 +26,4 @@ uint64_t oemcrypto_be64toh(uint64_t u64);
}
#endif
#endif /* WIDEVINE_ODK_SRC_ODK_ENDIAN_H_ */
#endif // WIDEVINE_ODK_SRC_ODK_ENDIAN_H_

6
libwvdrmengine/oemcrypto/odk/src/odk_overflow.c
View File

@@ -1,6 +1,6 @@
/* Copyright 2019 Google LLC. All rights reserved. This file and proprietary */
/* source code may only be used and distributed under the Widevine Master */
/* License Agreement. */
// Copyright 2019 Google LLC. All rights reserved. This file and proprietary
// source code may only be used and distributed under the Widevine Master
// License Agreement.
#include <stddef.h>
#include <stdint.h>

8
libwvdrmengine/oemcrypto/odk/src/odk_overflow.h
View File

@@ -1,6 +1,6 @@
/* Copyright 2019 Google LLC. All rights reserved. This file and proprietary */
/* source code may only be used and distributed under the Widevine Master */
/* License Agreement. */
// Copyright 2019 Google LLC. All rights reserved. This file and proprietary
// source code may only be used and distributed under the Widevine Master
// License Agreement.
#ifndef WIDEVINE_ODK_SRC_ODK_OVERFLOW_H_
#define WIDEVINE_ODK_SRC_ODK_OVERFLOW_H_
@@ -20,4 +20,4 @@ int odk_add_overflow_ux(size_t a, size_t b, size_t* c);
}
#endif
#endif /* WIDEVINE_ODK_SRC_ODK_OVERFLOW_H_ */
#endif // WIDEVINE_ODK_SRC_ODK_OVERFLOW_H_

10
libwvdrmengine/oemcrypto/odk/src/odk_serialize.c
View File

@@ -1,6 +1,6 @@
/* Copyright 2019 Google LLC. All rights reserved. This file and proprietary */
/* source code may only be used and distributed under the Widevine Master */
/* License Agreement. */
// Copyright 2019 Google LLC. All rights reserved. This file and proprietary
// source code may only be used and distributed under the Widevine Master
// License Agreement.
/*
* This code is auto-generated, do not edit
@@ -193,6 +193,10 @@ void Unpack_ODK_PreparedProvisioningRequest(
UnpackArray(msg, &obj->device_id[0], sizeof(obj->device_id));
}
void Unpack_ODK_PreparedCommonRequest(Message* msg,
ODK_PreparedCommonRequest* obj) {
Unpack_ODK_CoreMessage(msg, &obj->core_message);
}
/* @@ odk deserialize */
void Unpack_ODK_LicenseResponse(Message* msg, ODK_LicenseResponse* obj) {

13
libwvdrmengine/oemcrypto/odk/src/odk_serialize.h
View File

@@ -1,6 +1,6 @@
/* Copyright 2019 Google LLC. All rights reserved. This file and proprietary */
/* source code may only be used and distributed under the Widevine Master */
/* License Agreement. */
// Copyright 2019 Google LLC. All rights reserved. This file and proprietary
// source code may only be used and distributed under the Widevine Master
// License Agreement.
/*
* This code is auto-generated, do not edit
@@ -43,7 +43,10 @@ void Unpack_ODK_PreparedRenewalRequest(Message* msg,
void Unpack_ODK_PreparedProvisioningRequest(
Message* msg, ODK_PreparedProvisioningRequest* obj);
void Unpack_ODK_PreparedCommonRequest(Message* msg,
ODK_PreparedCommonRequest* obj);
#ifdef __cplusplus
} /* extern "C" */
} // extern "C"
#endif
#endif /* WIDEVINE_ODK_SRC_ODK_SERIALIZE_H_ */
#endif // WIDEVINE_ODK_SRC_ODK_SERIALIZE_H_

45
libwvdrmengine/oemcrypto/odk/src/odk_structs_priv.h
View File

@@ -1,6 +1,6 @@
/* Copyright 2019 Google LLC. All rights reserved. This file and proprietary */
/* source code may only be used and distributed under the Widevine Master */
/* License Agreement. */
// Copyright 2019 Google LLC. All rights reserved. This file and proprietary
// source code may only be used and distributed under the Widevine Master
// License Agreement.
#ifndef WIDEVINE_ODK_SRC_ODK_STRUCTS_PRIV_H_
#define WIDEVINE_ODK_SRC_ODK_STRUCTS_PRIV_H_
@@ -22,9 +22,11 @@ typedef enum {
ODK_Provisioning_Request_Type = 5,
ODK_Provisioning_Response_Type = 6,
/* Reserve future message types to support forward compatibility. */
// Reserve future message types to support forward compatibility.
ODK_Release_Request_Type = 7,
ODK_Release_Response_Type = 8,
ODK_Common_Request_Type = 9,
ODK_Common_Response_Type = 10,
} ODK_MessageType;
typedef struct {
@@ -48,6 +50,10 @@ typedef struct {
uint8_t device_id[ODK_DEVICE_ID_LEN_MAX];
} ODK_PreparedProvisioningRequest;
typedef struct {
ODK_CoreMessage core_message;
} ODK_PreparedCommonRequest;
typedef struct {
ODK_PreparedLicenseRequest request;
ODK_ParsedLicense* parsed_license;
@@ -64,33 +70,32 @@ typedef struct {
ODK_ParsedProvisioning* parsed_provisioning;
} ODK_ProvisioningResponse;
/* These are the sum of sizeof of each individual member of the request structs
*/
/* without any padding added by the compiler. Make sure they get updated when */
/* request structs change. Refer to test suite OdkSizeTest in */
/* ../test/odk_test.cpp for validations of each of the defined request sizes. */
// These are the sum of sizeof of each individual member of the request structs
// without any padding added by the compiler. Make sure they get updated when
// request structs change. Refer to test suite OdkSizeTest in
// ../test/odk_test.cpp for validations of each of the defined request sizes.
#define ODK_LICENSE_REQUEST_SIZE 20
#define ODK_RENEWAL_REQUEST_SIZE 28
#define ODK_PROVISIONING_REQUEST_SIZE 88
/* These are the possible timer status values. */
#define ODK_CLOCK_TIMER_STATUS_UNDEFINED 0 /* Should not happen. */
/* When the structure has been initialized, but no license is loaded. */
// These are the possible timer status values.
#define ODK_CLOCK_TIMER_STATUS_UNDEFINED 0 // Should not happen.
// When the structure has been initialized, but no license is loaded.
#define ODK_CLOCK_TIMER_STATUS_LICENSE_NOT_LOADED 1
/* After the license is loaded, before a successful decrypt. */
// After the license is loaded, before a successful decrypt.
#define ODK_CLOCK_TIMER_STATUS_LICENSE_LOADED 2
/* After the license is loaded, if a renewal has also been loaded. */
// After the license is loaded, if a renewal has also been loaded.
#define ODK_CLOCK_TIMER_STATUS_RENEWAL_LOADED 3
/* The first decrypt has occurred and the timer is active. */
// The first decrypt has occurred and the timer is active.
#define ODK_CLOCK_TIMER_STATUS_ACTIVE 4
/* The first decrypt has occurred and the timer is unlimited. */
// The first decrypt has occurred and the timer is unlimited.
#define ODK_CLOCK_TIMER_STATUS_UNLIMITED 5
/* The timer has transitioned from active to expired. */
// The timer has transitioned from active to expired.
#define ODK_CLOCK_TIMER_STATUS_EXPIRED 6
/* The license has been marked as inactive. */
// The license has been marked as inactive.
#define ODK_CLOCK_TIMER_STATUS_LICENSE_INACTIVE 7
/* A helper function for computing timer limits when a renewal is loaded. */
// A helper function for computing timer limits when a renewal is loaded.
OEMCryptoResult ODK_ComputeRenewalDuration(const ODK_TimerLimits* timer_limits,
ODK_ClockValues* clock_values,
uint64_t system_time_seconds,
@@ -101,4 +106,4 @@ OEMCryptoResult ODK_ComputeRenewalDuration(const ODK_TimerLimits* timer_limits,
}
#endif
#endif /* WIDEVINE_ODK_SRC_ODK_STRUCTS_PRIV_H_ */
#endif // WIDEVINE_ODK_SRC_ODK_STRUCTS_PRIV_H_

9
libwvdrmengine/oemcrypto/odk/src/odk_timer.c
View File

@@ -1,11 +1,12 @@
/* Copyright 2019 Google LLC. All rights reserved. This file and proprietary */
/* source code may only be used and distributed under the Widevine Master */
/* License Agreement. */
// Copyright 2019 Google LLC. All rights reserved. This file and proprietary
// source code may only be used and distributed under the Widevine Master
// License Agreement.
#include <stdint.h>
#include <string.h>
#include "odk.h"
#include "odk_attributes.h"
#include "odk_overflow.h"
#include "odk_structs_priv.h"
@@ -311,7 +312,7 @@ OEMCryptoResult ODK_ReloadClockValues(ODK_ClockValues* clock_values,
uint64_t time_of_first_decrypt,
uint64_t time_of_last_decrypt,
enum OEMCrypto_Usage_Entry_Status status,
uint64_t system_time_seconds) {
uint64_t system_time_seconds UNUSED) {
if (clock_values == NULL) {
return OEMCrypto_ERROR_INVALID_CONTEXT;
}

6
libwvdrmengine/oemcrypto/odk/src/odk_util.c
View File

@@ -1,6 +1,6 @@
/* Copyright 2019 Google LLC. All rights reserved. This file and proprietary */
/* source code may only be used and distributed under the Widevine Master */
/* License Agreement. */
// Copyright 2019 Google LLC. All rights reserved. This file and proprietary
// source code may only be used and distributed under the Widevine Master
// License Agreement.
#include "odk_util.h"

10
libwvdrmengine/oemcrypto/odk/src/odk_util.h
View File

@@ -1,6 +1,6 @@
/* Copyright 2019 Google LLC. All rights reserved. This file and proprietary */
/* source code may only be used and distributed under the Widevine Master */
/* License Agreement. */
// Copyright 2019 Google LLC. All rights reserved. This file and proprietary
// source code may only be used and distributed under the Widevine Master
// License Agreement.
#ifndef WIDEVINE_ODK_SRC_ODK_UTIL_H_
#define WIDEVINE_ODK_SRC_ODK_UTIL_H_
@@ -23,6 +23,6 @@ int crypto_memcmp(const void* a, const void* b, size_t len);
bool ODK_NonceValuesEqual(const ODK_NonceValues* a, const ODK_NonceValues* b);
#ifdef __cplusplus
} /* extern "C" */
} // extern "C"
#endif
#endif /* WIDEVINE_ODK_SRC_ODK_UTIL_H_ */
#endif // WIDEVINE_ODK_SRC_ODK_UTIL_H_

33
libwvdrmengine/oemcrypto/odk/src/serialization_base.c
View File

@@ -1,6 +1,6 @@
/* Copyright 2019 Google LLC. All rights reserved. This file and proprietary */
/* source code may only be used and distributed under the Widevine Master */
/* License Agreement. */
// Copyright 2019 Google LLC. All rights reserved. This file and proprietary
// source code may only be used and distributed under the Widevine Master
// License Agreement.
#include "serialization_base.h"
@@ -9,7 +9,6 @@
#include <string.h>
#include "OEMCryptoCENCCommon.h"
#include "odk_assert.h"
#include "odk_overflow.h"
struct _Message {
@@ -20,13 +19,6 @@ struct _Message {
MessageStatus status;
};
/* TODO(b/150776214): this can be removed once AllocateMessage gets cleaned up
*/
/*
* odk_static_assert(SIZE_OF_MESSAGE_STRUCT >= sizeof(struct _Message),
* "SIZE_OF_MESSAGE_STRUCT too small");
*/
bool ValidMessage(Message* message) {
if (message == NULL) {
return false;
@@ -99,8 +91,8 @@ void PackArray(Message* message, const uint8_t* base, size_t size) {
}
void Pack_OEMCrypto_Substring(Message* msg, const OEMCrypto_Substring* obj) {
uint32_t offset = obj->offset;
uint32_t length = obj->length;
uint32_t offset = (uint32_t)obj->offset;
uint32_t length = (uint32_t)obj->length;
Pack_uint32_t(msg, &offset);
Pack_uint32_t(msg, &length);
}
@@ -198,21 +190,6 @@ void InitMessage(Message* message, uint8_t* buffer, size_t capacity) {
message->status = MESSAGE_STATUS_OK;
}
/*
* The message structure is in the first sizeof(Memory) bytes
* of the buffer
*/
Message* CreateMessage(uint8_t* buffer, size_t buffer_size) {
if (buffer == NULL || buffer_size < sizeof(Message)) return NULL;
Message* message = (Message*)buffer;
message->base = buffer + sizeof(Message);
message->capacity = buffer_size - sizeof(Message);
message->size = 0;
message->read_offset = 0;
message->status = MESSAGE_STATUS_OK;
return message;
}
/*
* Set the message to an empty state
*/

17
libwvdrmengine/oemcrypto/odk/src/serialization_base.h
View File

@@ -1,6 +1,6 @@
/* Copyright 2019 Google LLC. All rights reserved. This file and proprietary */
/* source code may only be used and distributed under the Widevine Master */
/* License Agreement. */
// Copyright 2019 Google LLC. All rights reserved. This file and proprietary
// source code may only be used and distributed under the Widevine Master
// License Agreement.
#ifndef WIDEVINE_ODK_SRC_SERIALIZATION_BASE_H_
#define WIDEVINE_ODK_SRC_SERIALIZATION_BASE_H_
@@ -61,13 +61,6 @@ void UnpackArray(Message* message, uint8_t* address,
size_t size); /* copy out */
void Unpack_OEMCrypto_Substring(Message* msg, OEMCrypto_Substring* obj);
/*
* Create a message from a buffer. The message structure consumes the first
* sizeof(Message) bytes of the buffer. The caller is responsible for ensuring
* that the buffer remains allocated for the lifetime of the message.
*/
Message* CreateMessage(uint8_t* buffer, size_t buffer_size);
/*
* Initialize a message structure to reference a separate buffer. The caller
* is responsible for ensuring that the buffer remains allocated for the
@@ -90,7 +83,7 @@ size_t GetOffset(Message* message);
size_t SizeOfMessageStruct();
#ifdef __cplusplus
} /* extern "C" */
} // extern "C"
#endif
#endif /* WIDEVINE_ODK_SRC_SERIALIZATION_BASE_H_ */
#endif // WIDEVINE_ODK_SRC_SERIALIZATION_BASE_H_