diff options
Diffstat (limited to 'src/core/crypto')
| -rw-r--r-- | src/core/crypto/key_manager.cpp | 44 | ||||
| -rw-r--r-- | src/core/crypto/partition_data_manager.cpp | 11 |
2 files changed, 30 insertions, 25 deletions
diff --git a/src/core/crypto/key_manager.cpp b/src/core/crypto/key_manager.cpp index 222fc95ba..87e6a1fd3 100644 --- a/src/core/crypto/key_manager.cpp +++ b/src/core/crypto/key_manager.cpp @@ -22,6 +22,7 @@ #include "common/file_util.h" #include "common/hex_util.h" #include "common/logging/log.h" +#include "common/string_util.h" #include "core/core.h" #include "core/crypto/aes_util.h" #include "core/crypto/key_manager.h" @@ -378,8 +379,9 @@ std::vector<Ticket> GetTicketblob(const FileUtil::IOFile& ticket_save) { template <size_t size> static std::array<u8, size> operator^(const std::array<u8, size>& lhs, const std::array<u8, size>& rhs) { - std::array<u8, size> out{}; - std::transform(lhs.begin(), lhs.end(), rhs.begin(), out.begin(), std::bit_xor<>()); + std::array<u8, size> out; + std::transform(lhs.begin(), lhs.end(), rhs.begin(), out.begin(), + [](u8 lhs, u8 rhs) { return u8(lhs ^ rhs); }); return out; } @@ -396,7 +398,7 @@ static std::array<u8, target_size> MGF1(const std::array<u8, in_size>& seed) { while (out.size() < target_size) { out.resize(out.size() + 0x20); seed_exp[in_size + 3] = static_cast<u8>(i); - mbedtls_sha256(seed_exp.data(), seed_exp.size(), out.data() + out.size() - 0x20, 0); + mbedtls_sha256_ret(seed_exp.data(), seed_exp.size(), out.data() + out.size() - 0x20, 0); ++i; } @@ -538,7 +540,7 @@ void KeyManager::LoadFromFile(const std::string& filename, bool is_title_keys) { Key128 key = Common::HexStringToArray<16>(out[1]); s128_keys[{S128KeyType::Titlekey, rights_id[1], rights_id[0]}] = key; } else { - std::transform(out[0].begin(), out[0].end(), out[0].begin(), ::tolower); + out[0] = Common::ToLower(out[0]); if (s128_file_id.find(out[0]) != s128_file_id.end()) { const auto index = s128_file_id.at(out[0]); Key128 key = Common::HexStringToArray<16>(out[1]); @@ -668,23 +670,27 @@ void KeyManager::WriteKeyToFile(KeyCategory category, std::string_view keyname, const std::array<u8, Size>& key) { const std::string yuzu_keys_dir = FileUtil::GetUserPath(FileUtil::UserPath::KeysDir); std::string filename = "title.keys_autogenerated"; - if (category == KeyCategory::Standard) + if (category == KeyCategory::Standard) { filename = dev_mode ? "dev.keys_autogenerated" : "prod.keys_autogenerated"; - else if (category == KeyCategory::Console) + } else if (category == KeyCategory::Console) { filename = "console.keys_autogenerated"; - const auto add_info_text = !FileUtil::Exists(yuzu_keys_dir + DIR_SEP + filename); - FileUtil::CreateFullPath(yuzu_keys_dir + DIR_SEP + filename); - std::ofstream file(yuzu_keys_dir + DIR_SEP + filename, std::ios::app); - if (!file.is_open()) + } + + const auto path = yuzu_keys_dir + DIR_SEP + filename; + const auto add_info_text = !FileUtil::Exists(path); + FileUtil::CreateFullPath(path); + FileUtil::IOFile file{path, "a"}; + if (!file.IsOpen()) { return; + } if (add_info_text) { - file - << "# This file is autogenerated by Yuzu\n" - << "# It serves to store keys that were automatically generated from the normal keys\n" - << "# If you are experiencing issues involving keys, it may help to delete this file\n"; + file.WriteString( + "# This file is autogenerated by Yuzu\n" + "# It serves to store keys that were automatically generated from the normal keys\n" + "# If you are experiencing issues involving keys, it may help to delete this file\n"); } - file << fmt::format("\n{} = {}", keyname, Common::HexToString(key)); + file.WriteString(fmt::format("\n{} = {}", keyname, Common::HexToString(key))); AttemptLoadKeyFile(yuzu_keys_dir, yuzu_keys_dir, filename, category == KeyCategory::Title); } @@ -944,12 +950,10 @@ void KeyManager::DeriveETicket(PartitionDataManager& data) { return; } - Key128 rsa_oaep_kek{}; - std::transform(seed3.begin(), seed3.end(), mask0.begin(), rsa_oaep_kek.begin(), - std::bit_xor<>()); - - if (rsa_oaep_kek == Key128{}) + const Key128 rsa_oaep_kek = seed3 ^ mask0; + if (rsa_oaep_kek == Key128{}) { return; + } SetKey(S128KeyType::Source, rsa_oaep_kek, static_cast<u64>(SourceKeyType::RSAOaepKekGeneration)); diff --git a/src/core/crypto/partition_data_manager.cpp b/src/core/crypto/partition_data_manager.cpp index 594cd82c5..d64302f2e 100644 --- a/src/core/crypto/partition_data_manager.cpp +++ b/src/core/crypto/partition_data_manager.cpp @@ -161,7 +161,7 @@ std::array<u8, key_size> FindKeyFromHex(const std::vector<u8>& binary, std::array<u8, 0x20> temp{}; for (size_t i = 0; i < binary.size() - key_size; ++i) { - mbedtls_sha256(binary.data() + i, key_size, temp.data(), 0); + mbedtls_sha256_ret(binary.data() + i, key_size, temp.data(), 0); if (temp != hash) continue; @@ -189,7 +189,7 @@ static std::array<Key128, 0x20> FindEncryptedMasterKeyFromHex(const std::vector< AESCipher<Key128> cipher(key, Mode::ECB); for (size_t i = 0; i < binary.size() - 0x10; ++i) { cipher.Transcode(binary.data() + i, dec_temp.size(), dec_temp.data(), Op::Decrypt); - mbedtls_sha256(dec_temp.data(), dec_temp.size(), temp.data(), 0); + mbedtls_sha256_ret(dec_temp.data(), dec_temp.size(), temp.data(), 0); for (size_t k = 0; k < out.size(); ++k) { if (temp == master_key_hashes[k]) { @@ -204,11 +204,12 @@ static std::array<Key128, 0x20> FindEncryptedMasterKeyFromHex(const std::vector< FileSys::VirtualFile FindFileInDirWithNames(const FileSys::VirtualDir& dir, const std::string& name) { - auto upper = name; - std::transform(upper.begin(), upper.end(), upper.begin(), [](u8 c) { return std::toupper(c); }); + const auto upper = Common::ToUpper(name); + for (const auto& fname : {name, name + ".bin", upper, upper + ".BIN"}) { - if (dir->GetFile(fname) != nullptr) + if (dir->GetFile(fname) != nullptr) { return dir->GetFile(fname); + } } return nullptr; |