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 | #pragma once |
| 5 | |
| 6 | #include <vector> |
| 7 | #include "common/shadpkg_endian.h" |
| 8 | #include "common/io_file.h" |
| 9 | #include "common/shadpkg_types.h" |
| 10 | #include "core/crypto/crypto.h" |
| 11 | |
| 12 | struct TrpHeader { |
| 13 | u32_be magic; // (0xDCA24D00) |
| 14 | u32_be version; |
| 15 | u64_be file_size; // size of full trp file |
| 16 | u32_be entry_num; // num entries |
| 17 | u32_be entry_size; // size of entry |
| 18 | u32_be dev_flag; // 1: dev |
| 19 | unsigned char digest[20]; // sha1 hash |
| 20 | u32_be key_index; // 3031300? |
| 21 | unsigned char padding[44]; |
| 22 | }; |
| 23 | |
| 24 | struct TrpEntry { |
| 25 | char entry_name[32]; |
| 26 | u64_be entry_pos; |
| 27 | u64_be entry_len; |
| 28 | u32_be flag; // 3 = CONFIG/ESFM , 0 = PNG |
| 29 | unsigned char padding[12]; |
| 30 | }; |
| 31 | |
| 32 | class TRP { |
| 33 | public: |
| 34 | TRP(); |
| 35 | ~TRP(); |
| 36 | bool Extract(const std::filesystem::path& trophyPath, const std::string titleId); |
| 37 | void GetNPcommID(const std::filesystem::path& trophyPath, int index); |
| 38 | |
| 39 | private: |
| 40 | Crypto crypto; |
| 41 | std::vector<u8> NPcommID = std::vector<u8>(12); |
| 42 | std::array<u8, 16> np_comm_id{}; |
| 43 | std::array<u8, 16> esfmIv{}; |
| 44 | std::filesystem::path trpFilesPath; |
| 45 | static constexpr int iv_len = 16; |
| 46 | }; |