Mirrors/shadPS4
1
0
Fork 0
mirror of https://github.com/shadps4-emu/shadPS4.git synced 2025-06-04 17:53:17 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 5

Storing encryption trophy key in config.toml (#1930)

Browse source 
* get trophy key from toml file

* clang format fix

* get trophy key from toml file

* clang format fix

* merge fixes

* Update config.cpp
This commit is contained in:
georgemoralis 2025-01-01 12:04:51 +02:00 • committed by GitHub
parent d69341fd31
commit 283442b42f
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
3 changed files with 33 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

14
src/core/crypto/crypto.cpp
View file

@ -2,6 +2,7 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#include <array>
#include <common/config.h>
#include "crypto.h"
CryptoPP::RSA::PrivateKey Crypto::key_pkg_derived_key3_keyset_init() {
@ -137,6 +138,13 @@ void Crypto::aesCbcCfb128DecryptEntry(std::span<const CryptoPP::byte, 32> ivkey,
}
}
static void hexToBytes(const char* hex, unsigned char* dst) {
for (size_t i = 0; hex[i] != 0; i++) {
const unsigned char value = (hex[i] < 0x3A) ? (hex[i] - 0x30) : (hex[i] - 0x37);
dst[i / 2] |= ((i % 2) == 0) ? (value << 4) : (value);
}
}
void Crypto::decryptEFSM(std::span<CryptoPP::byte, 16> NPcommID,
std::span<CryptoPP::byte, 16> efsmIv, std::span<CryptoPP::byte> ciphertext,
std::span<CryptoPP::byte> decrypted) {
@ -145,9 +153,15 @@ void Crypto::decryptEFSM(std::span<CryptoPP::byte, 16> NPcommID,
// step 1: Encrypt NPcommID
CryptoPP::CBC_Mode<CryptoPP::AES>::Encryption encrypt;
const char* TrophyKeyget = Config::getTrophyKey().c_str();
std::vector<CryptoPP::byte> TrophyKey;
hexToBytes(TrophyKeyget, TrophyKey.data());
std::vector<CryptoPP::byte> trpKey(16);
encrypt.ProcessData(trpKey.data(), NPcommID.data(), 16);
encrypt.SetKeyWithIV(TrophyKey.data(), TrophyKey.size(), TrophyIV.data());
// step 2: decrypt efsm.
CryptoPP::CBC_Mode<CryptoPP::AES>::Decryption decrypt;
decrypt.SetKeyWithIV(trpKey.data(), trpKey.size(), efsmIv.data());