A tool for deriving PKG packet encryption keys for ps4 written in c++
| 1 | // SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project |
| 2 | // SPDX-License-Identifier: GPL-2.0-or-later |
| 3 | |
| 4 | #include <fstream> |
| 5 | |
| 6 | #include "common/assert.h" |
| 7 | #include "common/io_file.h" |
| 8 | #include "common/stb.h" |
| 9 | #include "splash.h" |
| 10 | |
| 11 | bool Splash::Open(const std::filesystem::path& filepath) { |
| 12 | ASSERT_MSG(filepath.extension().string() == ".png", "Unexpected file format passed"); |
| 13 | |
| 14 | Common::FS::IOFile file(filepath, Common::FS::FileAccessMode::Read); |
| 15 | if (!file.IsOpen()) { |
| 16 | return false; |
| 17 | } |
| 18 | |
| 19 | std::vector<u8> png_file{}; |
| 20 | const auto png_size = file.GetSize(); |
| 21 | png_file.resize(png_size); |
| 22 | file.Seek(0); |
| 23 | file.Read(png_file); |
| 24 | |
| 25 | auto* img_mem = stbi_load_from_memory(png_file.data(), png_file.size(), |
| 26 | reinterpret_cast<int*>(&img_info.width), |
| 27 | reinterpret_cast<int*>(&img_info.height), |
| 28 | reinterpret_cast<int*>(&img_info.num_channels), 4); |
| 29 | if (!img_mem) { |
| 30 | return false; |
| 31 | } |
| 32 | |
| 33 | const auto img_size = img_info.GetSizeBytes(); |
| 34 | img_data.resize(img_size); |
| 35 | std::memcpy(img_data.data(), img_mem, img_size); |
| 36 | stbi_image_free(img_mem); |
| 37 | return true; |
| 38 | } |
| 39 |