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Pick widevine oemcrypto-v18 change

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No-Typo-Check: From a third party header file
Bug: 260918793
Test: unit tests
Test: atp v2/widevine-eng/drm_compliance
Change-Id: I36effd6a10a99bdb2399ab1f4a0fad026d607c70
This commit is contained in:
Kyle Zhang
2022-12-16 03:21:08 +00:00
parent 4586522c07
commit 11255b7426
105 changed files with 324641 additions and 299787 deletions
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39
libwvdrmengine/oemcrypto/test/fuzz_tests/oemcrypto_generic_sign_fuzz.cc
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@@ -2,8 +2,10 @@
// source code may only be used and distributed under the Widevine
// License Agreement.
#include "FuzzedDataProvider.h"
#include "OEMCryptoCENC.h"
#include "log.h"
#include "oec_session_util.h"
#include "oemcrypto_fuzz_helper.h"
#include "oemcrypto_fuzz_structs.h"
#include "oemcrypto_types.h"
@@ -19,36 +21,35 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
return 0;
}
// Copy OEMCrypto_Generic_Api_Fuzz from input data.
memcpy(&fuzzed_structure, data, sizeof(fuzzed_structure));
FuzzedDataProvider fuzzed_data(data, size);
fuzzed_data.ConsumeData(&fuzzed_structure, sizeof(fuzzed_structure));
ConvertDataToValidEnum(OEMCrypto_CipherMode_MaxValue,
&fuzzed_structure.cipher_mode);
ConvertDataToValidEnum(OEMCrypto_Algorithm_MaxValue,
&fuzzed_structure.algorithm);
size_t clear_buffer_size = size - sizeof(fuzzed_structure);
if (clear_buffer_size == 0) {
return 0;
}
// Copy clear buffer from input data.
vector<uint8_t> clear_buffer(clear_buffer_size);
memcpy(clear_buffer.data(), data + sizeof(fuzzed_structure),
clear_buffer_size);
const std::vector<uint8_t> clear_buffer =
fuzzed_data.ConsumeRemainingBytes<uint8_t>();
OEMCryptoLicenseAPIFuzz license_api_fuzz;
Session* session = license_api_fuzz.session();
// Load license and call generic_sign API.
license_api_fuzz.LoadLicense();
OEMCrypto_SelectKey(session->session_id(), session->license().keys[0].key_id,
session->license().keys[0].key_id_length,
fuzzed_structure.cipher_mode);
vector<uint8_t> key_handle;
GetKeyHandleIntoVector(session->session_id(),
session->license().keys[0].key_id,
session->license().keys[0].key_id_length,
fuzzed_structure.cipher_mode, key_handle);
size_t signature_length = 0;
OEMCrypto_Generic_Sign(session->session_id(), clear_buffer.data(),
clear_buffer.size(), fuzzed_structure.algorithm,
nullptr, &signature_length);
vector<uint8_t> signature(signature_length);
OEMCrypto_Generic_Sign(session->session_id(), clear_buffer.data(),
clear_buffer.size(), fuzzed_structure.algorithm,
signature.data(), &signature_length);
OEMCrypto_Generic_Sign(key_handle.data(), key_handle.size(),
clear_buffer.data(), clear_buffer.size(),
fuzzed_structure.algorithm, nullptr,
&signature_length);
std::vector<uint8_t> signature(signature_length);
OEMCrypto_Generic_Sign(key_handle.data(), key_handle.size(),
clear_buffer.data(), clear_buffer.size(),
fuzzed_structure.algorithm, signature.data(),
&signature_length);
return 0;
}
} // namespace wvoec