// Copyright 2016 Dolphin Emulator Project // Licensed under GPLv2+ // Refer to the license.txt file included. #include <fstream> #include <functional> #include <mbedtls/md5.h> #include <string> #include "Common/MD5.h" #include "Common/StringUtil.h" #include "DiscIO/Blob.h" namespace MD5 { std::string MD5Sum(const std::string& file_path, std::function<bool(int)> report_progress) { std::string output_string; std::vector<u8> data(8 * 1024 * 1024); u64 read_offset = 0; mbedtls_md5_context ctx; std::unique_ptr<DiscIO::BlobReader> file(DiscIO::CreateBlobReader(file_path)); u64 game_size = file->GetDataSize(); mbedtls_md5_starts(&ctx); while (read_offset < game_size) { size_t read_size = std::min(static_cast<u64>(data.size()), game_size - read_offset); if (!file->Read(read_offset, read_size, data.data())) return output_string; mbedtls_md5_update(&ctx, data.data(), read_size); read_offset += read_size; int progress = static_cast<int>(static_cast<float>(read_offset) / static_cast<float>(game_size) * 100); if (!report_progress(progress)) return output_string; } std::array<u8, 16> output; mbedtls_md5_finish(&ctx, output.data()); // Convert to hex for (u8 n : output) output_string += StringFromFormat("%02x", n); return output_string; } }