diff options
Diffstat (limited to 'src/core/crypto/key_manager.cpp')
| -rw-r--r-- | src/core/crypto/key_manager.cpp | 799 |
1 files changed, 745 insertions, 54 deletions
diff --git a/src/core/crypto/key_manager.cpp b/src/core/crypto/key_manager.cpp index bf3a70944..a59a7e1f5 100644 --- a/src/core/crypto/key_manager.cpp +++ b/src/core/crypto/key_manager.cpp | |||
| @@ -4,23 +4,56 @@ | |||
| 4 | 4 | ||
| 5 | #include <algorithm> | 5 | #include <algorithm> |
| 6 | #include <array> | 6 | #include <array> |
| 7 | #include <bitset> | ||
| 8 | #include <cctype> | ||
| 7 | #include <fstream> | 9 | #include <fstream> |
| 8 | #include <locale> | 10 | #include <locale> |
| 11 | #include <map> | ||
| 9 | #include <sstream> | 12 | #include <sstream> |
| 10 | #include <string_view> | 13 | #include <string_view> |
| 11 | #include <tuple> | 14 | #include <tuple> |
| 12 | #include <vector> | 15 | #include <vector> |
| 16 | #include <mbedtls/bignum.h> | ||
| 17 | #include <mbedtls/cipher.h> | ||
| 18 | #include <mbedtls/cmac.h> | ||
| 19 | #include <mbedtls/sha256.h> | ||
| 20 | #include "common/common_funcs.h" | ||
| 13 | #include "common/common_paths.h" | 21 | #include "common/common_paths.h" |
| 14 | #include "common/file_util.h" | 22 | #include "common/file_util.h" |
| 15 | #include "common/hex_util.h" | 23 | #include "common/hex_util.h" |
| 16 | #include "common/logging/log.h" | 24 | #include "common/logging/log.h" |
| 17 | #include "core/crypto/aes_util.h" | 25 | #include "core/crypto/aes_util.h" |
| 18 | #include "core/crypto/key_manager.h" | 26 | #include "core/crypto/key_manager.h" |
| 27 | #include "core/crypto/partition_data_manager.h" | ||
| 28 | #include "core/file_sys/content_archive.h" | ||
| 29 | #include "core/file_sys/nca_metadata.h" | ||
| 30 | #include "core/file_sys/partition_filesystem.h" | ||
| 31 | #include "core/file_sys/registered_cache.h" | ||
| 32 | #include "core/hle/service/filesystem/filesystem.h" | ||
| 19 | #include "core/loader/loader.h" | 33 | #include "core/loader/loader.h" |
| 20 | #include "core/settings.h" | 34 | #include "core/settings.h" |
| 21 | 35 | ||
| 22 | namespace Core::Crypto { | 36 | namespace Core::Crypto { |
| 23 | 37 | ||
| 38 | constexpr u64 CURRENT_CRYPTO_REVISION = 0x5; | ||
| 39 | |||
| 40 | using namespace Common; | ||
| 41 | |||
| 42 | const std::array<SHA256Hash, 2> eticket_source_hashes{ | ||
| 43 | "B71DB271DC338DF380AA2C4335EF8873B1AFD408E80B3582D8719FC81C5E511C"_array32, // eticket_rsa_kek_source | ||
| 44 | "E8965A187D30E57869F562D04383C996DE487BBA5761363D2D4D32391866A85C"_array32, // eticket_rsa_kekek_source | ||
| 45 | }; | ||
| 46 | |||
| 47 | const std::map<std::pair<S128KeyType, u64>, std::string> KEYS_VARIABLE_LENGTH{ | ||
| 48 | {{S128KeyType::Master, 0}, "master_key_"}, | ||
| 49 | {{S128KeyType::Package1, 0}, "package1_key_"}, | ||
| 50 | {{S128KeyType::Package2, 0}, "package2_key_"}, | ||
| 51 | {{S128KeyType::Titlekek, 0}, "titlekek_"}, | ||
| 52 | {{S128KeyType::Source, static_cast<u64>(SourceKeyType::Keyblob)}, "keyblob_key_source_"}, | ||
| 53 | {{S128KeyType::Keyblob, 0}, "keyblob_key_"}, | ||
| 54 | {{S128KeyType::KeyblobMAC, 0}, "keyblob_mac_key_"}, | ||
| 55 | }; | ||
| 56 | |||
| 24 | Key128 GenerateKeyEncryptionKey(Key128 source, Key128 master, Key128 kek_seed, Key128 key_seed) { | 57 | Key128 GenerateKeyEncryptionKey(Key128 source, Key128 master, Key128 kek_seed, Key128 key_seed) { |
| 25 | Key128 out{}; | 58 | Key128 out{}; |
| 26 | 59 | ||
| @@ -37,6 +70,77 @@ Key128 GenerateKeyEncryptionKey(Key128 source, Key128 master, Key128 kek_seed, K | |||
| 37 | return out; | 70 | return out; |
| 38 | } | 71 | } |
| 39 | 72 | ||
| 73 | Key128 DeriveKeyblobKey(const Key128& sbk, const Key128& tsec, Key128 source) { | ||
| 74 | AESCipher<Key128> sbk_cipher(sbk, Mode::ECB); | ||
| 75 | AESCipher<Key128> tsec_cipher(tsec, Mode::ECB); | ||
| 76 | tsec_cipher.Transcode(source.data(), source.size(), source.data(), Op::Decrypt); | ||
| 77 | sbk_cipher.Transcode(source.data(), source.size(), source.data(), Op::Decrypt); | ||
| 78 | return source; | ||
| 79 | } | ||
| 80 | |||
| 81 | Key128 DeriveMasterKey(const std::array<u8, 0x90>& keyblob, const Key128& master_source) { | ||
| 82 | Key128 master_root; | ||
| 83 | std::memcpy(master_root.data(), keyblob.data(), sizeof(Key128)); | ||
| 84 | |||
| 85 | AESCipher<Key128> master_cipher(master_root, Mode::ECB); | ||
| 86 | |||
| 87 | Key128 master{}; | ||
| 88 | master_cipher.Transcode(master_source.data(), master_source.size(), master.data(), Op::Decrypt); | ||
| 89 | return master; | ||
| 90 | } | ||
| 91 | |||
| 92 | std::array<u8, 144> DecryptKeyblob(const std::array<u8, 176>& encrypted_keyblob, | ||
| 93 | const Key128& key) { | ||
| 94 | std::array<u8, 0x90> keyblob; | ||
| 95 | AESCipher<Key128> cipher(key, Mode::CTR); | ||
| 96 | cipher.SetIV(std::vector<u8>(encrypted_keyblob.data() + 0x10, encrypted_keyblob.data() + 0x20)); | ||
| 97 | cipher.Transcode(encrypted_keyblob.data() + 0x20, keyblob.size(), keyblob.data(), Op::Decrypt); | ||
| 98 | return keyblob; | ||
| 99 | } | ||
| 100 | |||
| 101 | void KeyManager::DeriveGeneralPurposeKeys(u8 crypto_revision) { | ||
| 102 | const auto kek_generation_source = | ||
| 103 | GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKekGeneration)); | ||
| 104 | const auto key_generation_source = | ||
| 105 | GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration)); | ||
| 106 | |||
| 107 | if (HasKey(S128KeyType::Master, crypto_revision)) { | ||
| 108 | for (auto kak_type : | ||
| 109 | {KeyAreaKeyType::Application, KeyAreaKeyType::Ocean, KeyAreaKeyType::System}) { | ||
| 110 | if (HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey), | ||
| 111 | static_cast<u64>(kak_type))) { | ||
| 112 | const auto source = | ||
| 113 | GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey), | ||
| 114 | static_cast<u64>(kak_type)); | ||
| 115 | const auto kek = | ||
| 116 | GenerateKeyEncryptionKey(source, GetKey(S128KeyType::Master, crypto_revision), | ||
| 117 | kek_generation_source, key_generation_source); | ||
| 118 | SetKey(S128KeyType::KeyArea, kek, crypto_revision, static_cast<u64>(kak_type)); | ||
| 119 | } | ||
| 120 | } | ||
| 121 | |||
| 122 | AESCipher<Key128> master_cipher(GetKey(S128KeyType::Master, crypto_revision), Mode::ECB); | ||
| 123 | for (auto key_type : {SourceKeyType::Titlekek, SourceKeyType::Package2}) { | ||
| 124 | if (HasKey(S128KeyType::Source, static_cast<u64>(key_type))) { | ||
| 125 | Key128 key{}; | ||
| 126 | master_cipher.Transcode( | ||
| 127 | GetKey(S128KeyType::Source, static_cast<u64>(key_type)).data(), key.size(), | ||
| 128 | key.data(), Op::Decrypt); | ||
| 129 | SetKey(key_type == SourceKeyType::Titlekek ? S128KeyType::Titlekek | ||
| 130 | : S128KeyType::Package2, | ||
| 131 | key, crypto_revision); | ||
| 132 | } | ||
| 133 | } | ||
| 134 | } | ||
| 135 | } | ||
| 136 | |||
| 137 | Key128 DeriveKeyblobMACKey(const Key128& keyblob_key, const Key128& mac_source) { | ||
| 138 | AESCipher<Key128> mac_cipher(keyblob_key, Mode::ECB); | ||
| 139 | Key128 mac_key{}; | ||
| 140 | mac_cipher.Transcode(mac_source.data(), mac_key.size(), mac_key.data(), Op::Decrypt); | ||
| 141 | return mac_key; | ||
| 142 | } | ||
| 143 | |||
| 40 | boost::optional<Key128> DeriveSDSeed() { | 144 | boost::optional<Key128> DeriveSDSeed() { |
| 41 | const FileUtil::IOFile save_43(FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) + | 145 | const FileUtil::IOFile save_43(FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) + |
| 42 | "/system/save/8000000000000043", | 146 | "/system/save/8000000000000043", |
| @@ -71,23 +175,24 @@ boost::optional<Key128> DeriveSDSeed() { | |||
| 71 | return seed; | 175 | return seed; |
| 72 | } | 176 | } |
| 73 | 177 | ||
| 74 | Loader::ResultStatus DeriveSDKeys(std::array<Key256, 2>& sd_keys, const KeyManager& keys) { | 178 | Loader::ResultStatus DeriveSDKeys(std::array<Key256, 2>& sd_keys, KeyManager& keys) { |
| 75 | if (!keys.HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::SDKEK))) | 179 | if (!keys.HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::SDKek))) |
| 76 | return Loader::ResultStatus::ErrorMissingSDKEKSource; | 180 | return Loader::ResultStatus::ErrorMissingSDKEKSource; |
| 77 | if (!keys.HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKEKGeneration))) | 181 | if (!keys.HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKekGeneration))) |
| 78 | return Loader::ResultStatus::ErrorMissingAESKEKGenerationSource; | 182 | return Loader::ResultStatus::ErrorMissingAESKEKGenerationSource; |
| 79 | if (!keys.HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration))) | 183 | if (!keys.HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration))) |
| 80 | return Loader::ResultStatus::ErrorMissingAESKeyGenerationSource; | 184 | return Loader::ResultStatus::ErrorMissingAESKeyGenerationSource; |
| 81 | 185 | ||
| 82 | const auto sd_kek_source = | 186 | const auto sd_kek_source = |
| 83 | keys.GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::SDKEK)); | 187 | keys.GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::SDKek)); |
| 84 | const auto aes_kek_gen = | 188 | const auto aes_kek_gen = |
| 85 | keys.GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKEKGeneration)); | 189 | keys.GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKekGeneration)); |
| 86 | const auto aes_key_gen = | 190 | const auto aes_key_gen = |
| 87 | keys.GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration)); | 191 | keys.GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration)); |
| 88 | const auto master_00 = keys.GetKey(S128KeyType::Master); | 192 | const auto master_00 = keys.GetKey(S128KeyType::Master); |
| 89 | const auto sd_kek = | 193 | const auto sd_kek = |
| 90 | GenerateKeyEncryptionKey(sd_kek_source, master_00, aes_kek_gen, aes_key_gen); | 194 | GenerateKeyEncryptionKey(sd_kek_source, master_00, aes_kek_gen, aes_key_gen); |
| 195 | keys.SetKey(S128KeyType::SDKek, sd_kek); | ||
| 91 | 196 | ||
| 92 | if (!keys.HasKey(S128KeyType::SDSeed)) | 197 | if (!keys.HasKey(S128KeyType::SDSeed)) |
| 93 | return Loader::ResultStatus::ErrorMissingSDSeed; | 198 | return Loader::ResultStatus::ErrorMissingSDSeed; |
| @@ -118,9 +223,141 @@ Loader::ResultStatus DeriveSDKeys(std::array<Key256, 2>& sd_keys, const KeyManag | |||
| 118 | return source; ///< Return unaltered source to satisfy output requirement. | 223 | return source; ///< Return unaltered source to satisfy output requirement. |
| 119 | }); | 224 | }); |
| 120 | 225 | ||
| 226 | keys.SetKey(S256KeyType::SDKey, sd_keys[0], static_cast<u64>(SDKeyType::Save)); | ||
| 227 | keys.SetKey(S256KeyType::SDKey, sd_keys[1], static_cast<u64>(SDKeyType::NCA)); | ||
| 228 | |||
| 121 | return Loader::ResultStatus::Success; | 229 | return Loader::ResultStatus::Success; |
| 122 | } | 230 | } |
| 123 | 231 | ||
| 232 | std::vector<TicketRaw> GetTicketblob(const FileUtil::IOFile& ticket_save) { | ||
| 233 | if (!ticket_save.IsOpen()) | ||
| 234 | return {}; | ||
| 235 | |||
| 236 | std::vector<u8> buffer(ticket_save.GetSize()); | ||
| 237 | ticket_save.ReadBytes(buffer.data(), buffer.size()); | ||
| 238 | |||
| 239 | std::vector<TicketRaw> out; | ||
| 240 | u32 magic{}; | ||
| 241 | for (std::size_t offset = 0; offset + 0x4 < buffer.size(); ++offset) { | ||
| 242 | if (buffer[offset] == 0x4 && buffer[offset + 1] == 0x0 && buffer[offset + 2] == 0x1 && | ||
| 243 | buffer[offset + 3] == 0x0) { | ||
| 244 | out.emplace_back(); | ||
| 245 | auto& next = out.back(); | ||
| 246 | std::memcpy(&next, buffer.data() + offset, sizeof(TicketRaw)); | ||
| 247 | offset += next.size(); | ||
| 248 | } | ||
| 249 | } | ||
| 250 | |||
| 251 | return out; | ||
| 252 | } | ||
| 253 | |||
| 254 | template <size_t size> | ||
| 255 | static std::array<u8, size> operator^(const std::array<u8, size>& lhs, | ||
| 256 | const std::array<u8, size>& rhs) { | ||
| 257 | std::array<u8, size> out{}; | ||
| 258 | std::transform(lhs.begin(), lhs.end(), rhs.begin(), out.begin(), std::bit_xor<>()); | ||
| 259 | return out; | ||
| 260 | } | ||
| 261 | |||
| 262 | template <size_t target_size, size_t in_size> | ||
| 263 | static std::array<u8, target_size> MGF1(const std::array<u8, in_size>& seed) { | ||
| 264 | std::array<u8, in_size + 4> seed_exp{}; | ||
| 265 | std::memcpy(seed_exp.data(), seed.data(), in_size); | ||
| 266 | |||
| 267 | std::vector<u8> out; | ||
| 268 | size_t i = 0; | ||
| 269 | while (out.size() < target_size) { | ||
| 270 | out.resize(out.size() + 0x20); | ||
| 271 | seed_exp[in_size + 3] = i; | ||
| 272 | mbedtls_sha256(seed_exp.data(), seed_exp.size(), out.data() + out.size() - 0x20, 0); | ||
| 273 | ++i; | ||
| 274 | } | ||
| 275 | |||
| 276 | std::array<u8, target_size> target; | ||
| 277 | std::memcpy(target.data(), out.data(), target_size); | ||
| 278 | return target; | ||
| 279 | } | ||
| 280 | |||
| 281 | template <size_t size> | ||
| 282 | static boost::optional<u64> FindTicketOffset(const std::array<u8, size>& data) { | ||
| 283 | u64 offset = 0; | ||
| 284 | for (size_t i = 0x20; i < data.size() - 0x10; ++i) { | ||
| 285 | if (data[i] == 0x1) { | ||
| 286 | offset = i + 1; | ||
| 287 | break; | ||
| 288 | } else if (data[i] != 0x0) { | ||
| 289 | return boost::none; | ||
| 290 | } | ||
| 291 | } | ||
| 292 | |||
| 293 | return offset; | ||
| 294 | } | ||
| 295 | |||
| 296 | boost::optional<std::pair<Key128, Key128>> ParseTicket(const TicketRaw& ticket, | ||
| 297 | const RSAKeyPair<2048>& key) { | ||
| 298 | u32 cert_authority; | ||
| 299 | std::memcpy(&cert_authority, ticket.data() + 0x140, sizeof(cert_authority)); | ||
| 300 | if (cert_authority == 0) | ||
| 301 | return boost::none; | ||
| 302 | if (cert_authority != Common::MakeMagic('R', 'o', 'o', 't')) | ||
| 303 | LOG_INFO(Crypto, | ||
| 304 | "Attempting to parse ticket with non-standard certificate authority {:08X}.", | ||
| 305 | cert_authority); | ||
| 306 | |||
| 307 | Key128 rights_id; | ||
| 308 | std::memcpy(rights_id.data(), ticket.data() + 0x2A0, sizeof(Key128)); | ||
| 309 | |||
| 310 | if (rights_id == Key128{}) | ||
| 311 | return boost::none; | ||
| 312 | |||
| 313 | Key128 key_temp{}; | ||
| 314 | |||
| 315 | if (!std::any_of(ticket.begin() + 0x190, ticket.begin() + 0x280, [](u8 b) { return b != 0; })) { | ||
| 316 | std::memcpy(key_temp.data(), ticket.data() + 0x180, key_temp.size()); | ||
| 317 | return std::make_pair(rights_id, key_temp); | ||
| 318 | } | ||
| 319 | |||
| 320 | mbedtls_mpi D; // RSA Private Exponent | ||
| 321 | mbedtls_mpi N; // RSA Modulus | ||
| 322 | mbedtls_mpi S; // Input | ||
| 323 | mbedtls_mpi M; // Output | ||
| 324 | |||
| 325 | mbedtls_mpi_init(&D); | ||
| 326 | mbedtls_mpi_init(&N); | ||
| 327 | mbedtls_mpi_init(&S); | ||
| 328 | mbedtls_mpi_init(&M); | ||
| 329 | |||
| 330 | mbedtls_mpi_read_binary(&D, key.decryption_key.data(), key.decryption_key.size()); | ||
| 331 | mbedtls_mpi_read_binary(&N, key.modulus.data(), key.modulus.size()); | ||
| 332 | mbedtls_mpi_read_binary(&S, ticket.data() + 0x180, 0x100); | ||
| 333 | |||
| 334 | mbedtls_mpi_exp_mod(&M, &S, &D, &N, nullptr); | ||
| 335 | |||
| 336 | std::array<u8, 0x100> rsa_step; | ||
| 337 | mbedtls_mpi_write_binary(&M, rsa_step.data(), rsa_step.size()); | ||
| 338 | |||
| 339 | u8 m_0 = rsa_step[0]; | ||
| 340 | std::array<u8, 0x20> m_1; | ||
| 341 | std::memcpy(m_1.data(), rsa_step.data() + 0x01, m_1.size()); | ||
| 342 | std::array<u8, 0xDF> m_2; | ||
| 343 | std::memcpy(m_2.data(), rsa_step.data() + 0x21, m_2.size()); | ||
| 344 | |||
| 345 | if (m_0 != 0) | ||
| 346 | return boost::none; | ||
| 347 | |||
| 348 | m_1 = m_1 ^ MGF1<0x20>(m_2); | ||
| 349 | m_2 = m_2 ^ MGF1<0xDF>(m_1); | ||
| 350 | |||
| 351 | const auto offset = FindTicketOffset(m_2); | ||
| 352 | if (offset == boost::none) | ||
| 353 | return boost::none; | ||
| 354 | ASSERT(offset.get() > 0); | ||
| 355 | |||
| 356 | std::memcpy(key_temp.data(), m_2.data() + offset.get(), key_temp.size()); | ||
| 357 | |||
| 358 | return std::make_pair(rights_id, key_temp); | ||
| 359 | } | ||
| 360 | |||
| 124 | KeyManager::KeyManager() { | 361 | KeyManager::KeyManager() { |
| 125 | // Initialize keys | 362 | // Initialize keys |
| 126 | const std::string hactool_keys_dir = FileUtil::GetHactoolConfigurationPath(); | 363 | const std::string hactool_keys_dir = FileUtil::GetHactoolConfigurationPath(); |
| @@ -137,6 +374,15 @@ KeyManager::KeyManager() { | |||
| 137 | 374 | ||
| 138 | AttemptLoadKeyFile(yuzu_keys_dir, hactool_keys_dir, "title.keys", true); | 375 | AttemptLoadKeyFile(yuzu_keys_dir, hactool_keys_dir, "title.keys", true); |
| 139 | AttemptLoadKeyFile(yuzu_keys_dir, yuzu_keys_dir, "title.keys_autogenerated", true); | 376 | AttemptLoadKeyFile(yuzu_keys_dir, yuzu_keys_dir, "title.keys_autogenerated", true); |
| 377 | AttemptLoadKeyFile(yuzu_keys_dir, hactool_keys_dir, "console.keys", false); | ||
| 378 | AttemptLoadKeyFile(yuzu_keys_dir, yuzu_keys_dir, "console.keys_autogenerated", false); | ||
| 379 | } | ||
| 380 | |||
| 381 | static bool ValidCryptoRevisionString(std::string_view base, size_t begin, size_t length) { | ||
| 382 | if (base.size() < begin + length) | ||
| 383 | return false; | ||
| 384 | return std::all_of(base.begin() + begin, base.begin() + begin + length, | ||
| 385 | [](u8 c) { return std::isdigit(c); }); | ||
| 140 | } | 386 | } |
| 141 | 387 | ||
| 142 | void KeyManager::LoadFromFile(const std::string& filename, bool is_title_keys) { | 388 | void KeyManager::LoadFromFile(const std::string& filename, bool is_title_keys) { |
| @@ -158,6 +404,9 @@ void KeyManager::LoadFromFile(const std::string& filename, bool is_title_keys) { | |||
| 158 | out[0].erase(std::remove(out[0].begin(), out[0].end(), ' '), out[0].end()); | 404 | out[0].erase(std::remove(out[0].begin(), out[0].end(), ' '), out[0].end()); |
| 159 | out[1].erase(std::remove(out[1].begin(), out[1].end(), ' '), out[1].end()); | 405 | out[1].erase(std::remove(out[1].begin(), out[1].end(), ' '), out[1].end()); |
| 160 | 406 | ||
| 407 | if (out[0].compare(0, 1, "#") == 0) | ||
| 408 | continue; | ||
| 409 | |||
| 161 | if (is_title_keys) { | 410 | if (is_title_keys) { |
| 162 | auto rights_id_raw = Common::HexStringToArray<16>(out[0]); | 411 | auto rights_id_raw = Common::HexStringToArray<16>(out[0]); |
| 163 | u128 rights_id{}; | 412 | u128 rights_id{}; |
| @@ -174,6 +423,50 @@ void KeyManager::LoadFromFile(const std::string& filename, bool is_title_keys) { | |||
| 174 | const auto index = s256_file_id.at(out[0]); | 423 | const auto index = s256_file_id.at(out[0]); |
| 175 | Key256 key = Common::HexStringToArray<32>(out[1]); | 424 | Key256 key = Common::HexStringToArray<32>(out[1]); |
| 176 | s256_keys[{index.type, index.field1, index.field2}] = key; | 425 | s256_keys[{index.type, index.field1, index.field2}] = key; |
| 426 | } else if (out[0].compare(0, 8, "keyblob_") == 0 && | ||
| 427 | out[0].compare(0, 9, "keyblob_k") != 0) { | ||
| 428 | if (!ValidCryptoRevisionString(out[0], 8, 2)) | ||
| 429 | continue; | ||
| 430 | |||
| 431 | const auto index = std::stoul(out[0].substr(8, 2), nullptr, 16); | ||
| 432 | keyblobs[index] = Common::HexStringToArray<0x90>(out[1]); | ||
| 433 | } else if (out[0].compare(0, 18, "encrypted_keyblob_") == 0) { | ||
| 434 | if (!ValidCryptoRevisionString(out[0], 18, 2)) | ||
| 435 | continue; | ||
| 436 | |||
| 437 | const auto index = std::stoul(out[0].substr(18, 2), nullptr, 16); | ||
| 438 | encrypted_keyblobs[index] = Common::HexStringToArray<0xB0>(out[1]); | ||
| 439 | } else { | ||
| 440 | for (const auto& kv : KEYS_VARIABLE_LENGTH) { | ||
| 441 | if (!ValidCryptoRevisionString(out[0], kv.second.size(), 2)) | ||
| 442 | continue; | ||
| 443 | if (out[0].compare(0, kv.second.size(), kv.second) == 0) { | ||
| 444 | const auto index = | ||
| 445 | std::stoul(out[0].substr(kv.second.size(), 2), nullptr, 16); | ||
| 446 | const auto sub = kv.first.second; | ||
| 447 | if (sub == 0) { | ||
| 448 | s128_keys[{kv.first.first, index, 0}] = | ||
| 449 | Common::HexStringToArray<16>(out[1]); | ||
| 450 | } else { | ||
| 451 | s128_keys[{kv.first.first, kv.first.second, index}] = | ||
| 452 | Common::HexStringToArray<16>(out[1]); | ||
| 453 | } | ||
| 454 | |||
| 455 | break; | ||
| 456 | } | ||
| 457 | } | ||
| 458 | |||
| 459 | static constexpr std::array<const char*, 3> kak_names = { | ||
| 460 | "key_area_key_application_", "key_area_key_ocean_", "key_area_key_system_"}; | ||
| 461 | for (size_t j = 0; j < kak_names.size(); ++j) { | ||
| 462 | const auto& match = kak_names[j]; | ||
| 463 | if (out[0].compare(0, std::strlen(match), match) == 0) { | ||
| 464 | const auto index = | ||
| 465 | std::stoul(out[0].substr(std::strlen(match), 2), nullptr, 16); | ||
| 466 | s128_keys[{S128KeyType::KeyArea, index, j}] = | ||
| 467 | Common::HexStringToArray<16>(out[1]); | ||
| 468 | } | ||
| 469 | } | ||
| 177 | } | 470 | } |
| 178 | } | 471 | } |
| 179 | } | 472 | } |
| @@ -187,6 +480,28 @@ void KeyManager::AttemptLoadKeyFile(const std::string& dir1, const std::string& | |||
| 187 | LoadFromFile(dir2 + DIR_SEP + filename, title); | 480 | LoadFromFile(dir2 + DIR_SEP + filename, title); |
| 188 | } | 481 | } |
| 189 | 482 | ||
| 483 | bool KeyManager::BaseDeriveNecessary() const { | ||
| 484 | const auto check_key_existence = [this](auto key_type, u64 index1 = 0, u64 index2 = 0) { | ||
| 485 | return !HasKey(key_type, index1, index2); | ||
| 486 | }; | ||
| 487 | |||
| 488 | if (check_key_existence(S256KeyType::Header)) | ||
| 489 | return true; | ||
| 490 | |||
| 491 | for (size_t i = 0; i < CURRENT_CRYPTO_REVISION; ++i) { | ||
| 492 | if (check_key_existence(S128KeyType::Master, i) || | ||
| 493 | check_key_existence(S128KeyType::KeyArea, i, | ||
| 494 | static_cast<u64>(KeyAreaKeyType::Application)) || | ||
| 495 | check_key_existence(S128KeyType::KeyArea, i, static_cast<u64>(KeyAreaKeyType::Ocean)) || | ||
| 496 | check_key_existence(S128KeyType::KeyArea, i, | ||
| 497 | static_cast<u64>(KeyAreaKeyType::System)) || | ||
| 498 | check_key_existence(S128KeyType::Titlekek, i)) | ||
| 499 | return true; | ||
| 500 | } | ||
| 501 | |||
| 502 | return false; | ||
| 503 | } | ||
| 504 | |||
| 190 | bool KeyManager::HasKey(S128KeyType id, u64 field1, u64 field2) const { | 505 | bool KeyManager::HasKey(S128KeyType id, u64 field1, u64 field2) const { |
| 191 | return s128_keys.find({id, field1, field2}) != s128_keys.end(); | 506 | return s128_keys.find({id, field1, field2}) != s128_keys.end(); |
| 192 | } | 507 | } |
| @@ -207,13 +522,30 @@ Key256 KeyManager::GetKey(S256KeyType id, u64 field1, u64 field2) const { | |||
| 207 | return s256_keys.at({id, field1, field2}); | 522 | return s256_keys.at({id, field1, field2}); |
| 208 | } | 523 | } |
| 209 | 524 | ||
| 210 | template <std::size_t Size> | 525 | Key256 KeyManager::GetBISKey(u8 partition_id) const { |
| 211 | void KeyManager::WriteKeyToFile(bool title_key, std::string_view keyname, | 526 | Key256 out{}; |
| 527 | |||
| 528 | for (const auto& bis_type : {BISKeyType::Crypto, BISKeyType::Tweak}) { | ||
| 529 | if (HasKey(S128KeyType::BIS, partition_id, static_cast<u64>(bis_type))) { | ||
| 530 | std::memcpy( | ||
| 531 | out.data() + sizeof(Key128) * static_cast<u64>(bis_type), | ||
| 532 | s128_keys.at({S128KeyType::BIS, partition_id, static_cast<u64>(bis_type)}).data(), | ||
| 533 | sizeof(Key128)); | ||
| 534 | } | ||
| 535 | } | ||
| 536 | |||
| 537 | return out; | ||
| 538 | } | ||
| 539 | |||
| 540 | template <size_t Size> | ||
| 541 | void KeyManager::WriteKeyToFile(KeyCategory category, std::string_view keyname, | ||
| 212 | const std::array<u8, Size>& key) { | 542 | const std::array<u8, Size>& key) { |
| 213 | const std::string yuzu_keys_dir = FileUtil::GetUserPath(FileUtil::UserPath::KeysDir); | 543 | const std::string yuzu_keys_dir = FileUtil::GetUserPath(FileUtil::UserPath::KeysDir); |
| 214 | std::string filename = "title.keys_autogenerated"; | 544 | std::string filename = "title.keys_autogenerated"; |
| 215 | if (!title_key) | 545 | if (category == KeyCategory::Standard) |
| 216 | filename = dev_mode ? "dev.keys_autogenerated" : "prod.keys_autogenerated"; | 546 | filename = dev_mode ? "dev.keys_autogenerated" : "prod.keys_autogenerated"; |
| 547 | else if (category == KeyCategory::Console) | ||
| 548 | filename = "console.keys_autogenerated"; | ||
| 217 | const auto add_info_text = !FileUtil::Exists(yuzu_keys_dir + DIR_SEP + filename); | 549 | const auto add_info_text = !FileUtil::Exists(yuzu_keys_dir + DIR_SEP + filename); |
| 218 | FileUtil::CreateFullPath(yuzu_keys_dir + DIR_SEP + filename); | 550 | FileUtil::CreateFullPath(yuzu_keys_dir + DIR_SEP + filename); |
| 219 | std::ofstream file(yuzu_keys_dir + DIR_SEP + filename, std::ios::app); | 551 | std::ofstream file(yuzu_keys_dir + DIR_SEP + filename, std::ios::app); |
| @@ -227,7 +559,7 @@ void KeyManager::WriteKeyToFile(bool title_key, std::string_view keyname, | |||
| 227 | } | 559 | } |
| 228 | 560 | ||
| 229 | file << fmt::format("\n{} = {}", keyname, Common::HexArrayToString(key)); | 561 | file << fmt::format("\n{} = {}", keyname, Common::HexArrayToString(key)); |
| 230 | AttemptLoadKeyFile(yuzu_keys_dir, yuzu_keys_dir, filename, title_key); | 562 | AttemptLoadKeyFile(yuzu_keys_dir, yuzu_keys_dir, filename, category == KeyCategory::Title); |
| 231 | } | 563 | } |
| 232 | 564 | ||
| 233 | void KeyManager::SetKey(S128KeyType id, Key128 key, u64 field1, u64 field2) { | 565 | void KeyManager::SetKey(S128KeyType id, Key128 key, u64 field1, u64 field2) { |
| @@ -237,8 +569,15 @@ void KeyManager::SetKey(S128KeyType id, Key128 key, u64 field1, u64 field2) { | |||
| 237 | Key128 rights_id; | 569 | Key128 rights_id; |
| 238 | std::memcpy(rights_id.data(), &field2, sizeof(u64)); | 570 | std::memcpy(rights_id.data(), &field2, sizeof(u64)); |
| 239 | std::memcpy(rights_id.data() + sizeof(u64), &field1, sizeof(u64)); | 571 | std::memcpy(rights_id.data() + sizeof(u64), &field1, sizeof(u64)); |
| 240 | WriteKeyToFile(true, Common::HexArrayToString(rights_id), key); | 572 | WriteKeyToFile(KeyCategory::Title, Common::HexArrayToString(rights_id), key); |
| 241 | } | 573 | } |
| 574 | |||
| 575 | auto category = KeyCategory::Standard; | ||
| 576 | if (id == S128KeyType::Keyblob || id == S128KeyType::KeyblobMAC || id == S128KeyType::TSEC || | ||
| 577 | id == S128KeyType::SecureBoot || id == S128KeyType::SDSeed || id == S128KeyType::BIS) { | ||
| 578 | category = KeyCategory::Console; | ||
| 579 | } | ||
| 580 | |||
| 242 | const auto iter2 = std::find_if( | 581 | const auto iter2 = std::find_if( |
| 243 | s128_file_id.begin(), s128_file_id.end(), | 582 | s128_file_id.begin(), s128_file_id.end(), |
| 244 | [&id, &field1, &field2](const std::pair<std::string, KeyIndex<S128KeyType>> elem) { | 583 | [&id, &field1, &field2](const std::pair<std::string, KeyIndex<S128KeyType>> elem) { |
| @@ -246,7 +585,30 @@ void KeyManager::SetKey(S128KeyType id, Key128 key, u64 field1, u64 field2) { | |||
| 246 | std::tie(id, field1, field2); | 585 | std::tie(id, field1, field2); |
| 247 | }); | 586 | }); |
| 248 | if (iter2 != s128_file_id.end()) | 587 | if (iter2 != s128_file_id.end()) |
| 249 | WriteKeyToFile(false, iter2->first, key); | 588 | WriteKeyToFile(category, iter2->first, key); |
| 589 | |||
| 590 | // Variable cases | ||
| 591 | if (id == S128KeyType::KeyArea) { | ||
| 592 | static constexpr std::array<const char*, 3> kak_names = {"key_area_key_application_{:02X}", | ||
| 593 | "key_area_key_ocean_{:02X}", | ||
| 594 | "key_area_key_system_{:02X}"}; | ||
| 595 | WriteKeyToFile(category, fmt::format(kak_names.at(field2), field1), key); | ||
| 596 | } else if (id == S128KeyType::Master) { | ||
| 597 | WriteKeyToFile(category, fmt::format("master_key_{:02X}", field1), key); | ||
| 598 | } else if (id == S128KeyType::Package1) { | ||
| 599 | WriteKeyToFile(category, fmt::format("package1_key_{:02X}", field1), key); | ||
| 600 | } else if (id == S128KeyType::Package2) { | ||
| 601 | WriteKeyToFile(category, fmt::format("package2_key_{:02X}", field1), key); | ||
| 602 | } else if (id == S128KeyType::Titlekek) { | ||
| 603 | WriteKeyToFile(category, fmt::format("titlekek_{:02X}", field1), key); | ||
| 604 | } else if (id == S128KeyType::Keyblob) { | ||
| 605 | WriteKeyToFile(category, fmt::format("keyblob_key_{:02X}", field1), key); | ||
| 606 | } else if (id == S128KeyType::KeyblobMAC) { | ||
| 607 | WriteKeyToFile(category, fmt::format("keyblob_mac_key_{:02X}", field1), key); | ||
| 608 | } else if (id == S128KeyType::Source && field1 == static_cast<u64>(SourceKeyType::Keyblob)) { | ||
| 609 | WriteKeyToFile(category, fmt::format("keyblob_key_source_{:02X}", field2), key); | ||
| 610 | } | ||
| 611 | |||
| 250 | s128_keys[{id, field1, field2}] = key; | 612 | s128_keys[{id, field1, field2}] = key; |
| 251 | } | 613 | } |
| 252 | 614 | ||
| @@ -260,7 +622,7 @@ void KeyManager::SetKey(S256KeyType id, Key256 key, u64 field1, u64 field2) { | |||
| 260 | std::tie(id, field1, field2); | 622 | std::tie(id, field1, field2); |
| 261 | }); | 623 | }); |
| 262 | if (iter != s256_file_id.end()) | 624 | if (iter != s256_file_id.end()) |
| 263 | WriteKeyToFile(false, iter->first, key); | 625 | WriteKeyToFile(KeyCategory::Standard, iter->first, key); |
| 264 | s256_keys[{id, field1, field2}] = key; | 626 | s256_keys[{id, field1, field2}] = key; |
| 265 | } | 627 | } |
| 266 | 628 | ||
| @@ -290,59 +652,388 @@ void KeyManager::DeriveSDSeedLazy() { | |||
| 290 | SetKey(S128KeyType::SDSeed, res.get()); | 652 | SetKey(S128KeyType::SDSeed, res.get()); |
| 291 | } | 653 | } |
| 292 | 654 | ||
| 655 | static Key128 CalculateCMAC(const u8* source, size_t size, const Key128& key) { | ||
| 656 | Key128 out{}; | ||
| 657 | |||
| 658 | mbedtls_cipher_cmac(mbedtls_cipher_info_from_type(MBEDTLS_CIPHER_AES_128_ECB), key.data(), | ||
| 659 | key.size() * 8, source, size, out.data()); | ||
| 660 | return out; | ||
| 661 | } | ||
| 662 | |||
| 663 | void KeyManager::DeriveBase() { | ||
| 664 | if (!BaseDeriveNecessary()) | ||
| 665 | return; | ||
| 666 | |||
| 667 | if (!HasKey(S128KeyType::SecureBoot) || !HasKey(S128KeyType::TSEC)) | ||
| 668 | return; | ||
| 669 | |||
| 670 | const auto has_bis = [this](u64 id) { | ||
| 671 | return HasKey(S128KeyType::BIS, id, static_cast<u64>(BISKeyType::Crypto)) && | ||
| 672 | HasKey(S128KeyType::BIS, id, static_cast<u64>(BISKeyType::Tweak)); | ||
| 673 | }; | ||
| 674 | |||
| 675 | const auto copy_bis = [this](u64 id_from, u64 id_to) { | ||
| 676 | SetKey(S128KeyType::BIS, | ||
| 677 | GetKey(S128KeyType::BIS, id_from, static_cast<u64>(BISKeyType::Crypto)), id_to, | ||
| 678 | static_cast<u64>(BISKeyType::Crypto)); | ||
| 679 | |||
| 680 | SetKey(S128KeyType::BIS, | ||
| 681 | GetKey(S128KeyType::BIS, id_from, static_cast<u64>(BISKeyType::Tweak)), id_to, | ||
| 682 | static_cast<u64>(BISKeyType::Tweak)); | ||
| 683 | }; | ||
| 684 | |||
| 685 | if (has_bis(2) && !has_bis(3)) | ||
| 686 | copy_bis(2, 3); | ||
| 687 | else if (has_bis(3) && !has_bis(2)) | ||
| 688 | copy_bis(3, 2); | ||
| 689 | |||
| 690 | std::bitset<32> revisions(0xFFFFFFFF); | ||
| 691 | for (size_t i = 0; i < revisions.size(); ++i) { | ||
| 692 | if (!HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::Keyblob), i) || | ||
| 693 | encrypted_keyblobs[i] == std::array<u8, 0xB0>{}) { | ||
| 694 | revisions.reset(i); | ||
| 695 | } | ||
| 696 | } | ||
| 697 | |||
| 698 | if (!revisions.any()) | ||
| 699 | return; | ||
| 700 | |||
| 701 | const auto sbk = GetKey(S128KeyType::SecureBoot); | ||
| 702 | const auto tsec = GetKey(S128KeyType::TSEC); | ||
| 703 | const auto master_source = GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::Master)); | ||
| 704 | |||
| 705 | for (size_t i = 0; i < revisions.size(); ++i) { | ||
| 706 | if (!revisions[i]) | ||
| 707 | continue; | ||
| 708 | |||
| 709 | // Derive keyblob key | ||
| 710 | const auto key = DeriveKeyblobKey( | ||
| 711 | sbk, tsec, GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::Keyblob), i)); | ||
| 712 | |||
| 713 | SetKey(S128KeyType::Keyblob, key, i); | ||
| 714 | |||
| 715 | // Derive keyblob MAC key | ||
| 716 | if (!HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyblobMAC))) | ||
| 717 | continue; | ||
| 718 | |||
| 719 | const auto mac_key = DeriveKeyblobMACKey( | ||
| 720 | key, GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyblobMAC))); | ||
| 721 | SetKey(S128KeyType::KeyblobMAC, mac_key, i); | ||
| 722 | |||
| 723 | Key128 cmac = CalculateCMAC(encrypted_keyblobs[i].data() + 0x10, 0xA0, mac_key); | ||
| 724 | if (std::memcmp(cmac.data(), encrypted_keyblobs[i].data(), cmac.size()) != 0) | ||
| 725 | continue; | ||
| 726 | |||
| 727 | // Decrypt keyblob | ||
| 728 | if (keyblobs[i] == std::array<u8, 0x90>{}) { | ||
| 729 | keyblobs[i] = DecryptKeyblob(encrypted_keyblobs[i], key); | ||
| 730 | WriteKeyToFile<0x90>(KeyCategory::Console, fmt::format("keyblob_{:02X}", i), | ||
| 731 | keyblobs[i]); | ||
| 732 | } | ||
| 733 | |||
| 734 | Key128 package1; | ||
| 735 | std::memcpy(package1.data(), keyblobs[i].data() + 0x80, sizeof(Key128)); | ||
| 736 | SetKey(S128KeyType::Package1, package1, i); | ||
| 737 | |||
| 738 | // Derive master key | ||
| 739 | if (HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::Master))) { | ||
| 740 | SetKey(S128KeyType::Master, | ||
| 741 | DeriveMasterKey(keyblobs[i], GetKey(S128KeyType::Source, | ||
| 742 | static_cast<u64>(SourceKeyType::Master))), | ||
| 743 | i); | ||
| 744 | } | ||
| 745 | } | ||
| 746 | |||
| 747 | revisions.set(); | ||
| 748 | for (size_t i = 0; i < revisions.size(); ++i) { | ||
| 749 | if (!HasKey(S128KeyType::Master, i)) | ||
| 750 | revisions.reset(i); | ||
| 751 | } | ||
| 752 | |||
| 753 | if (!revisions.any()) | ||
| 754 | return; | ||
| 755 | |||
| 756 | for (size_t i = 0; i < revisions.size(); ++i) { | ||
| 757 | if (!revisions[i]) | ||
| 758 | continue; | ||
| 759 | |||
| 760 | // Derive general purpose keys | ||
| 761 | DeriveGeneralPurposeKeys(i); | ||
| 762 | } | ||
| 763 | |||
| 764 | if (HasKey(S128KeyType::Master, 0) && | ||
| 765 | HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration)) && | ||
| 766 | HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKekGeneration)) && | ||
| 767 | HasKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::HeaderKek)) && | ||
| 768 | HasKey(S256KeyType::HeaderSource)) { | ||
| 769 | const auto header_kek = GenerateKeyEncryptionKey( | ||
| 770 | GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::HeaderKek)), | ||
| 771 | GetKey(S128KeyType::Master, 0), | ||
| 772 | GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKekGeneration)), | ||
| 773 | GetKey(S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration))); | ||
| 774 | SetKey(S128KeyType::HeaderKek, header_kek); | ||
| 775 | |||
| 776 | AESCipher<Key128> header_cipher(header_kek, Mode::ECB); | ||
| 777 | Key256 out = GetKey(S256KeyType::HeaderSource); | ||
| 778 | header_cipher.Transcode(out.data(), out.size(), out.data(), Op::Decrypt); | ||
| 779 | SetKey(S256KeyType::Header, out); | ||
| 780 | } | ||
| 781 | } | ||
| 782 | |||
| 783 | void KeyManager::DeriveETicket(PartitionDataManager& data) { | ||
| 784 | // ETicket keys | ||
| 785 | const auto es = Service::FileSystem::GetUnionContents()->GetEntry( | ||
| 786 | 0x0100000000000033, FileSys::ContentRecordType::Program); | ||
| 787 | |||
| 788 | if (es == nullptr) | ||
| 789 | return; | ||
| 790 | |||
| 791 | const auto exefs = es->GetExeFS(); | ||
| 792 | if (exefs == nullptr) | ||
| 793 | return; | ||
| 794 | |||
| 795 | const auto main = exefs->GetFile("main"); | ||
| 796 | if (main == nullptr) | ||
| 797 | return; | ||
| 798 | |||
| 799 | const auto bytes = main->ReadAllBytes(); | ||
| 800 | |||
| 801 | const auto eticket_kek = FindKeyFromHex16(bytes, eticket_source_hashes[0]); | ||
| 802 | const auto eticket_kekek = FindKeyFromHex16(bytes, eticket_source_hashes[1]); | ||
| 803 | |||
| 804 | const auto seed3 = data.GetRSAKekSeed3(); | ||
| 805 | const auto mask0 = data.GetRSAKekMask0(); | ||
| 806 | |||
| 807 | if (eticket_kek != Key128{}) | ||
| 808 | SetKey(S128KeyType::Source, eticket_kek, static_cast<size_t>(SourceKeyType::ETicketKek)); | ||
| 809 | if (eticket_kekek != Key128{}) { | ||
| 810 | SetKey(S128KeyType::Source, eticket_kekek, | ||
| 811 | static_cast<size_t>(SourceKeyType::ETicketKekek)); | ||
| 812 | } | ||
| 813 | if (seed3 != Key128{}) | ||
| 814 | SetKey(S128KeyType::RSAKek, seed3, static_cast<size_t>(RSAKekType::Seed3)); | ||
| 815 | if (mask0 != Key128{}) | ||
| 816 | SetKey(S128KeyType::RSAKek, mask0, static_cast<size_t>(RSAKekType::Mask0)); | ||
| 817 | if (eticket_kek == Key128{} || eticket_kekek == Key128{} || seed3 == Key128{} || | ||
| 818 | mask0 == Key128{}) { | ||
| 819 | return; | ||
| 820 | } | ||
| 821 | |||
| 822 | Key128 rsa_oaep_kek{}; | ||
| 823 | std::transform(seed3.begin(), seed3.end(), mask0.begin(), rsa_oaep_kek.begin(), | ||
| 824 | std::bit_xor<>()); | ||
| 825 | |||
| 826 | if (rsa_oaep_kek == Key128{}) | ||
| 827 | return; | ||
| 828 | |||
| 829 | SetKey(S128KeyType::Source, rsa_oaep_kek, | ||
| 830 | static_cast<u64>(SourceKeyType::RSAOaepKekGeneration)); | ||
| 831 | |||
| 832 | Key128 temp_kek{}; | ||
| 833 | Key128 temp_kekek{}; | ||
| 834 | Key128 eticket_final{}; | ||
| 835 | |||
| 836 | // Derive ETicket RSA Kek | ||
| 837 | AESCipher<Key128> es_master(GetKey(S128KeyType::Master), Mode::ECB); | ||
| 838 | es_master.Transcode(rsa_oaep_kek.data(), rsa_oaep_kek.size(), temp_kek.data(), Op::Decrypt); | ||
| 839 | AESCipher<Key128> es_kekek(temp_kek, Mode::ECB); | ||
| 840 | es_kekek.Transcode(eticket_kekek.data(), eticket_kekek.size(), temp_kekek.data(), Op::Decrypt); | ||
| 841 | AESCipher<Key128> es_kek(temp_kekek, Mode::ECB); | ||
| 842 | es_kek.Transcode(eticket_kek.data(), eticket_kek.size(), eticket_final.data(), Op::Decrypt); | ||
| 843 | |||
| 844 | if (eticket_final == Key128{}) | ||
| 845 | return; | ||
| 846 | |||
| 847 | SetKey(S128KeyType::ETicketRSAKek, eticket_final); | ||
| 848 | |||
| 849 | // Titlekeys | ||
| 850 | data.DecryptProdInfo(GetBISKey(0)); | ||
| 851 | |||
| 852 | const auto eticket_extended_kek = data.GetETicketExtendedKek(); | ||
| 853 | |||
| 854 | std::vector<u8> extended_iv(0x10); | ||
| 855 | std::memcpy(extended_iv.data(), eticket_extended_kek.data(), extended_iv.size()); | ||
| 856 | std::array<u8, 0x230> extended_dec{}; | ||
| 857 | AESCipher<Key128> rsa_1(eticket_final, Mode::CTR); | ||
| 858 | rsa_1.SetIV(extended_iv); | ||
| 859 | rsa_1.Transcode(eticket_extended_kek.data() + 0x10, eticket_extended_kek.size() - 0x10, | ||
| 860 | extended_dec.data(), Op::Decrypt); | ||
| 861 | |||
| 862 | RSAKeyPair<2048> rsa_key{}; | ||
| 863 | std::memcpy(rsa_key.decryption_key.data(), extended_dec.data(), rsa_key.decryption_key.size()); | ||
| 864 | std::memcpy(rsa_key.modulus.data(), extended_dec.data() + 0x100, rsa_key.modulus.size()); | ||
| 865 | std::memcpy(rsa_key.exponent.data(), extended_dec.data() + 0x200, rsa_key.exponent.size()); | ||
| 866 | |||
| 867 | const FileUtil::IOFile save1(FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) + | ||
| 868 | "/system/save/80000000000000e1", | ||
| 869 | "rb+"); | ||
| 870 | const FileUtil::IOFile save2(FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) + | ||
| 871 | "/system/save/80000000000000e2", | ||
| 872 | "rb+"); | ||
| 873 | |||
| 874 | auto res = GetTicketblob(save1); | ||
| 875 | const auto res2 = GetTicketblob(save2); | ||
| 876 | std::copy(res2.begin(), res2.end(), std::back_inserter(res)); | ||
| 877 | |||
| 878 | for (const auto& raw : res) { | ||
| 879 | const auto pair = ParseTicket(raw, rsa_key); | ||
| 880 | if (pair == boost::none) | ||
| 881 | continue; | ||
| 882 | const auto& [rid, key] = pair.value(); | ||
| 883 | u128 rights_id; | ||
| 884 | std::memcpy(rights_id.data(), rid.data(), rid.size()); | ||
| 885 | SetKey(S128KeyType::Titlekey, key, rights_id[1], rights_id[0]); | ||
| 886 | } | ||
| 887 | } | ||
| 888 | |||
| 889 | void KeyManager::SetKeyWrapped(S128KeyType id, Key128 key, u64 field1, u64 field2) { | ||
| 890 | if (key == Key128{}) | ||
| 891 | return; | ||
| 892 | SetKey(id, key, field1, field2); | ||
| 893 | } | ||
| 894 | |||
| 895 | void KeyManager::SetKeyWrapped(S256KeyType id, Key256 key, u64 field1, u64 field2) { | ||
| 896 | if (key == Key256{}) | ||
| 897 | return; | ||
| 898 | SetKey(id, key, field1, field2); | ||
| 899 | } | ||
| 900 | |||
| 901 | void KeyManager::PopulateFromPartitionData(PartitionDataManager& data) { | ||
| 902 | if (!BaseDeriveNecessary()) | ||
| 903 | return; | ||
| 904 | |||
| 905 | if (!data.HasBoot0()) | ||
| 906 | return; | ||
| 907 | |||
| 908 | for (size_t i = 0; i < encrypted_keyblobs.size(); ++i) { | ||
| 909 | if (encrypted_keyblobs[i] != std::array<u8, 0xB0>{}) | ||
| 910 | continue; | ||
| 911 | encrypted_keyblobs[i] = data.GetEncryptedKeyblob(i); | ||
| 912 | WriteKeyToFile<0xB0>(KeyCategory::Console, fmt::format("encrypted_keyblob_{:02X}", i), | ||
| 913 | encrypted_keyblobs[i]); | ||
| 914 | } | ||
| 915 | |||
| 916 | SetKeyWrapped(S128KeyType::Source, data.GetPackage2KeySource(), | ||
| 917 | static_cast<u64>(SourceKeyType::Package2)); | ||
| 918 | SetKeyWrapped(S128KeyType::Source, data.GetAESKekGenerationSource(), | ||
| 919 | static_cast<u64>(SourceKeyType::AESKekGeneration)); | ||
| 920 | SetKeyWrapped(S128KeyType::Source, data.GetTitlekekSource(), | ||
| 921 | static_cast<u64>(SourceKeyType::Titlekek)); | ||
| 922 | SetKeyWrapped(S128KeyType::Source, data.GetMasterKeySource(), | ||
| 923 | static_cast<u64>(SourceKeyType::Master)); | ||
| 924 | SetKeyWrapped(S128KeyType::Source, data.GetKeyblobMACKeySource(), | ||
| 925 | static_cast<u64>(SourceKeyType::KeyblobMAC)); | ||
| 926 | |||
| 927 | for (size_t i = 0; i < PartitionDataManager::MAX_KEYBLOB_SOURCE_HASH; ++i) { | ||
| 928 | SetKeyWrapped(S128KeyType::Source, data.GetKeyblobKeySource(i), | ||
| 929 | static_cast<u64>(SourceKeyType::Keyblob), i); | ||
| 930 | } | ||
| 931 | |||
| 932 | if (data.HasFuses()) | ||
| 933 | SetKeyWrapped(S128KeyType::SecureBoot, data.GetSecureBootKey()); | ||
| 934 | |||
| 935 | DeriveBase(); | ||
| 936 | |||
| 937 | Key128 latest_master{}; | ||
| 938 | for (s8 i = 0x1F; i >= 0; --i) { | ||
| 939 | if (GetKey(S128KeyType::Master, static_cast<u8>(i)) != Key128{}) { | ||
| 940 | latest_master = GetKey(S128KeyType::Master, static_cast<u8>(i)); | ||
| 941 | break; | ||
| 942 | } | ||
| 943 | } | ||
| 944 | |||
| 945 | const auto masters = data.GetTZMasterKeys(latest_master); | ||
| 946 | for (size_t i = 0; i < masters.size(); ++i) { | ||
| 947 | if (masters[i] != Key128{} && !HasKey(S128KeyType::Master, i)) | ||
| 948 | SetKey(S128KeyType::Master, masters[i], i); | ||
| 949 | } | ||
| 950 | |||
| 951 | DeriveBase(); | ||
| 952 | |||
| 953 | if (!data.HasPackage2()) | ||
| 954 | return; | ||
| 955 | |||
| 956 | std::array<Key128, 0x20> package2_keys{}; | ||
| 957 | for (size_t i = 0; i < package2_keys.size(); ++i) { | ||
| 958 | if (HasKey(S128KeyType::Package2, i)) | ||
| 959 | package2_keys[i] = GetKey(S128KeyType::Package2, i); | ||
| 960 | } | ||
| 961 | data.DecryptPackage2(package2_keys, Package2Type::NormalMain); | ||
| 962 | |||
| 963 | SetKeyWrapped(S128KeyType::Source, data.GetKeyAreaKeyApplicationSource(), | ||
| 964 | static_cast<u64>(SourceKeyType::KeyAreaKey), | ||
| 965 | static_cast<u64>(KeyAreaKeyType::Application)); | ||
| 966 | SetKeyWrapped(S128KeyType::Source, data.GetKeyAreaKeyOceanSource(), | ||
| 967 | static_cast<u64>(SourceKeyType::KeyAreaKey), | ||
| 968 | static_cast<u64>(KeyAreaKeyType::Ocean)); | ||
| 969 | SetKeyWrapped(S128KeyType::Source, data.GetKeyAreaKeySystemSource(), | ||
| 970 | static_cast<u64>(SourceKeyType::KeyAreaKey), | ||
| 971 | static_cast<u64>(KeyAreaKeyType::System)); | ||
| 972 | SetKeyWrapped(S128KeyType::Source, data.GetSDKekSource(), | ||
| 973 | static_cast<u64>(SourceKeyType::SDKek)); | ||
| 974 | SetKeyWrapped(S256KeyType::SDKeySource, data.GetSDSaveKeySource(), | ||
| 975 | static_cast<u64>(SDKeyType::Save)); | ||
| 976 | SetKeyWrapped(S256KeyType::SDKeySource, data.GetSDNCAKeySource(), | ||
| 977 | static_cast<u64>(SDKeyType::NCA)); | ||
| 978 | SetKeyWrapped(S128KeyType::Source, data.GetHeaderKekSource(), | ||
| 979 | static_cast<u64>(SourceKeyType::HeaderKek)); | ||
| 980 | SetKeyWrapped(S256KeyType::HeaderSource, data.GetHeaderKeySource()); | ||
| 981 | SetKeyWrapped(S128KeyType::Source, data.GetAESKeyGenerationSource(), | ||
| 982 | static_cast<u64>(SourceKeyType::AESKeyGeneration)); | ||
| 983 | |||
| 984 | DeriveBase(); | ||
| 985 | } | ||
| 986 | |||
| 293 | const boost::container::flat_map<std::string, KeyIndex<S128KeyType>> KeyManager::s128_file_id = { | 987 | const boost::container::flat_map<std::string, KeyIndex<S128KeyType>> KeyManager::s128_file_id = { |
| 294 | {"master_key_00", {S128KeyType::Master, 0, 0}}, | ||
| 295 | {"master_key_01", {S128KeyType::Master, 1, 0}}, | ||
| 296 | {"master_key_02", {S128KeyType::Master, 2, 0}}, | ||
| 297 | {"master_key_03", {S128KeyType::Master, 3, 0}}, | ||
| 298 | {"master_key_04", {S128KeyType::Master, 4, 0}}, | ||
| 299 | {"package1_key_00", {S128KeyType::Package1, 0, 0}}, | ||
| 300 | {"package1_key_01", {S128KeyType::Package1, 1, 0}}, | ||
| 301 | {"package1_key_02", {S128KeyType::Package1, 2, 0}}, | ||
| 302 | {"package1_key_03", {S128KeyType::Package1, 3, 0}}, | ||
| 303 | {"package1_key_04", {S128KeyType::Package1, 4, 0}}, | ||
| 304 | {"package2_key_00", {S128KeyType::Package2, 0, 0}}, | ||
| 305 | {"package2_key_01", {S128KeyType::Package2, 1, 0}}, | ||
| 306 | {"package2_key_02", {S128KeyType::Package2, 2, 0}}, | ||
| 307 | {"package2_key_03", {S128KeyType::Package2, 3, 0}}, | ||
| 308 | {"package2_key_04", {S128KeyType::Package2, 4, 0}}, | ||
| 309 | {"titlekek_00", {S128KeyType::Titlekek, 0, 0}}, | ||
| 310 | {"titlekek_01", {S128KeyType::Titlekek, 1, 0}}, | ||
| 311 | {"titlekek_02", {S128KeyType::Titlekek, 2, 0}}, | ||
| 312 | {"titlekek_03", {S128KeyType::Titlekek, 3, 0}}, | ||
| 313 | {"titlekek_04", {S128KeyType::Titlekek, 4, 0}}, | ||
| 314 | {"eticket_rsa_kek", {S128KeyType::ETicketRSAKek, 0, 0}}, | 988 | {"eticket_rsa_kek", {S128KeyType::ETicketRSAKek, 0, 0}}, |
| 315 | {"key_area_key_application_00", | 989 | {"eticket_rsa_kek_source", |
| 316 | {S128KeyType::KeyArea, 0, static_cast<u64>(KeyAreaKeyType::Application)}}, | 990 | {S128KeyType::Source, static_cast<u64>(SourceKeyType::ETicketKek), 0}}, |
| 317 | {"key_area_key_application_01", | 991 | {"eticket_rsa_kekek_source", |
| 318 | {S128KeyType::KeyArea, 1, static_cast<u64>(KeyAreaKeyType::Application)}}, | 992 | {S128KeyType::Source, static_cast<u64>(SourceKeyType::ETicketKekek), 0}}, |
| 319 | {"key_area_key_application_02", | 993 | {"rsa_kek_mask_0", {S128KeyType::RSAKek, static_cast<u64>(RSAKekType::Mask0), 0}}, |
| 320 | {S128KeyType::KeyArea, 2, static_cast<u64>(KeyAreaKeyType::Application)}}, | 994 | {"rsa_kek_seed_3", {S128KeyType::RSAKek, static_cast<u64>(RSAKekType::Seed3), 0}}, |
| 321 | {"key_area_key_application_03", | 995 | {"rsa_oaep_kek_generation_source", |
| 322 | {S128KeyType::KeyArea, 3, static_cast<u64>(KeyAreaKeyType::Application)}}, | 996 | {S128KeyType::Source, static_cast<u64>(SourceKeyType::RSAOaepKekGeneration), 0}}, |
| 323 | {"key_area_key_application_04", | 997 | {"sd_card_kek_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::SDKek), 0}}, |
| 324 | {S128KeyType::KeyArea, 4, static_cast<u64>(KeyAreaKeyType::Application)}}, | ||
| 325 | {"key_area_key_ocean_00", {S128KeyType::KeyArea, 0, static_cast<u64>(KeyAreaKeyType::Ocean)}}, | ||
| 326 | {"key_area_key_ocean_01", {S128KeyType::KeyArea, 1, static_cast<u64>(KeyAreaKeyType::Ocean)}}, | ||
| 327 | {"key_area_key_ocean_02", {S128KeyType::KeyArea, 2, static_cast<u64>(KeyAreaKeyType::Ocean)}}, | ||
| 328 | {"key_area_key_ocean_03", {S128KeyType::KeyArea, 3, static_cast<u64>(KeyAreaKeyType::Ocean)}}, | ||
| 329 | {"key_area_key_ocean_04", {S128KeyType::KeyArea, 4, static_cast<u64>(KeyAreaKeyType::Ocean)}}, | ||
| 330 | {"key_area_key_system_00", {S128KeyType::KeyArea, 0, static_cast<u64>(KeyAreaKeyType::System)}}, | ||
| 331 | {"key_area_key_system_01", {S128KeyType::KeyArea, 1, static_cast<u64>(KeyAreaKeyType::System)}}, | ||
| 332 | {"key_area_key_system_02", {S128KeyType::KeyArea, 2, static_cast<u64>(KeyAreaKeyType::System)}}, | ||
| 333 | {"key_area_key_system_03", {S128KeyType::KeyArea, 3, static_cast<u64>(KeyAreaKeyType::System)}}, | ||
| 334 | {"key_area_key_system_04", {S128KeyType::KeyArea, 4, static_cast<u64>(KeyAreaKeyType::System)}}, | ||
| 335 | {"sd_card_kek_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::SDKEK), 0}}, | ||
| 336 | {"aes_kek_generation_source", | 998 | {"aes_kek_generation_source", |
| 337 | {S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKEKGeneration), 0}}, | 999 | {S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKekGeneration), 0}}, |
| 338 | {"aes_key_generation_source", | 1000 | {"aes_key_generation_source", |
| 339 | {S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration), 0}}, | 1001 | {S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration), 0}}, |
| 1002 | {"package2_key_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::Package2), 0}}, | ||
| 1003 | {"master_key_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::Master), 0}}, | ||
| 1004 | {"header_kek_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::HeaderKek), 0}}, | ||
| 1005 | {"key_area_key_application_source", | ||
| 1006 | {S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey), | ||
| 1007 | static_cast<u64>(KeyAreaKeyType::Application)}}, | ||
| 1008 | {"key_area_key_ocean_source", | ||
| 1009 | {S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey), | ||
| 1010 | static_cast<u64>(KeyAreaKeyType::Ocean)}}, | ||
| 1011 | {"key_area_key_system_source", | ||
| 1012 | {S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey), | ||
| 1013 | static_cast<u64>(KeyAreaKeyType::System)}}, | ||
| 1014 | {"titlekek_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::Titlekek), 0}}, | ||
| 1015 | {"keyblob_mac_key_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyblobMAC)}}, | ||
| 1016 | {"tsec_key", {S128KeyType::TSEC, 0, 0}}, | ||
| 1017 | {"secure_boot_key", {S128KeyType::SecureBoot, 0, 0}}, | ||
| 340 | {"sd_seed", {S128KeyType::SDSeed, 0, 0}}, | 1018 | {"sd_seed", {S128KeyType::SDSeed, 0, 0}}, |
| 1019 | {"bis_key_0_crypt", {S128KeyType::BIS, 0, static_cast<u64>(BISKeyType::Crypto)}}, | ||
| 1020 | {"bis_key_0_tweak", {S128KeyType::BIS, 0, static_cast<u64>(BISKeyType::Tweak)}}, | ||
| 1021 | {"bis_key_1_crypt", {S128KeyType::BIS, 1, static_cast<u64>(BISKeyType::Crypto)}}, | ||
| 1022 | {"bis_key_1_tweak", {S128KeyType::BIS, 1, static_cast<u64>(BISKeyType::Tweak)}}, | ||
| 1023 | {"bis_key_2_crypt", {S128KeyType::BIS, 2, static_cast<u64>(BISKeyType::Crypto)}}, | ||
| 1024 | {"bis_key_2_tweak", {S128KeyType::BIS, 2, static_cast<u64>(BISKeyType::Tweak)}}, | ||
| 1025 | {"bis_key_3_crypt", {S128KeyType::BIS, 3, static_cast<u64>(BISKeyType::Crypto)}}, | ||
| 1026 | {"bis_key_3_tweak", {S128KeyType::BIS, 3, static_cast<u64>(BISKeyType::Tweak)}}, | ||
| 1027 | {"header_kek", {S128KeyType::HeaderKek, 0, 0}}, | ||
| 1028 | {"sd_card_kek", {S128KeyType::SDKek, 0, 0}}, | ||
| 341 | }; | 1029 | }; |
| 342 | 1030 | ||
| 343 | const boost::container::flat_map<std::string, KeyIndex<S256KeyType>> KeyManager::s256_file_id = { | 1031 | const boost::container::flat_map<std::string, KeyIndex<S256KeyType>> KeyManager::s256_file_id = { |
| 344 | {"header_key", {S256KeyType::Header, 0, 0}}, | 1032 | {"header_key", {S256KeyType::Header, 0, 0}}, |
| 345 | {"sd_card_save_key_source", {S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::Save), 0}}, | 1033 | {"sd_card_save_key_source", {S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::Save), 0}}, |
| 346 | {"sd_card_nca_key_source", {S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::NCA), 0}}, | 1034 | {"sd_card_nca_key_source", {S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::NCA), 0}}, |
| 1035 | {"header_key_source", {S256KeyType::HeaderSource, 0, 0}}, | ||
| 1036 | {"sd_card_save_key", {S256KeyType::SDKey, static_cast<u64>(SDKeyType::Save), 0}}, | ||
| 1037 | {"sd_card_nca_key", {S256KeyType::SDKey, static_cast<u64>(SDKeyType::NCA), 0}}, | ||
| 347 | }; | 1038 | }; |
| 348 | } // namespace Core::Crypto | 1039 | } // namespace Core::Crypto |