| // Copyright 2018 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Fuzzer that tests parsing and serialization of creation blobs. |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include <string> |
| |
| #include "base/logging.h" |
| #include "trunks/blob_parser.h" |
| |
| struct Environment { |
| Environment() { |
| logging::SetMinLogLevel(logging::LOGGING_FATAL); // Disable logging. |
| } |
| }; |
| |
| extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { |
| if (size < 1) |
| return 0; |
| static Environment env; |
| static trunks::BlobParser blob_parser; |
| |
| // Parse. |
| std::string creation_blob(reinterpret_cast<const char*>(data), size); |
| trunks::TPM2B_CREATION_DATA creation_data; |
| trunks::TPM2B_DIGEST creation_hash; |
| trunks::TPMT_TK_CREATION creation_ticket; |
| if (!blob_parser.ParseCreationBlob(creation_blob, &creation_data, |
| &creation_hash, &creation_ticket)) |
| return 0; // Quit early on failure to avoid serializing unitialized data. |
| |
| // Serialize. |
| std::string serialized; |
| blob_parser.SerializeCreationBlob(creation_data, creation_hash, |
| creation_ticket, &serialized); |
| return 0; |
| } |