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key_manager: Add support for more keys
TSEC, SBK, BIS, and other Sources for proper derivation
This commit is contained in:
Zach Hilman
parent
c79d2ca6cf
commit
d6a0d5d432
2 changed files with 99 additions and 3 deletions
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@ -152,6 +152,12 @@ KeyManager::KeyManager() {
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AttemptLoadKeyFile(yuzu_keys_dir, yuzu_keys_dir, "console.keys_autogenerated", false);
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}
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static bool ValidCryptoRevisionString(const std::string& base, size_t begin, size_t length) {
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if (base.size() < begin + length)
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return false;
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return std::all_of(base.begin() + begin, base.begin() + begin + length, ::isdigit);
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}
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void KeyManager::LoadFromFile(const std::string& filename, bool is_title_keys) {
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std::ifstream file(filename);
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if (!file.is_open())
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@ -190,6 +196,59 @@ void KeyManager::LoadFromFile(const std::string& filename, bool is_title_keys) {
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const auto index = s256_file_id.at(out[0]);
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Key256 key = Common::HexStringToArray<32>(out[1]);
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s256_keys[{index.type, index.field1, index.field2}] = key;
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} else if (out[0].compare(0, 8, "keyblob_") == 0 &&
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out[0].compare(0, 9, "keyblob_k") != 0) {
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if (!ValidCryptoRevisionString(out[0], 8, 2))
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continue;
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const auto index = std::stoul(out[0].substr(8, 2), nullptr, 16);
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keyblobs[index] = Common::HexStringToArray<0x90>(out[1]);
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} else if (out[0].compare(0, 18, "encrypted_keyblob_") == 0) {
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if (!ValidCryptoRevisionString(out[0], 18, 2))
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continue;
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const auto index = std::stoul(out[0].substr(18, 2), nullptr, 16);
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encrypted_keyblobs[index] = Common::HexStringToArray<0xB0>(out[1]);
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} else {
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for (const auto& kv : std::map<std::pair<S128KeyType, u64>, std::string>{
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{{S128KeyType::Master, 0}, "master_key_"},
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{{S128KeyType::Package1, 0}, "package1_key_"},
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{{S128KeyType::Package2, 0}, "package2_key_"},
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{{S128KeyType::Titlekek, 0}, "titlekek_"},
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{{S128KeyType::Source, static_cast<u64>(SourceKeyType::Keyblob)},
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"keyblob_key_source_"},
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{{S128KeyType::Keyblob, 0}, "keyblob_key_"},
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{{S128KeyType::KeyblobMAC, 0}, "keyblob_mac_key_"},
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}) {
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if (!ValidCryptoRevisionString(out[0], kv.second.size(), 2))
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continue;
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if (out[0].compare(0, kv.second.size(), kv.second) == 0) {
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const auto index =
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std::stoul(out[0].substr(kv.second.size(), 2), nullptr, 16);
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const auto sub = kv.first.second;
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if (sub == 0) {
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s128_keys[{kv.first.first, index, 0}] =
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Common::HexStringToArray<16>(out[1]);
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} else {
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s128_keys[{kv.first.first, kv.first.second, index}] =
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Common::HexStringToArray<16>(out[1]);
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}
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break;
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}
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}
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const static std::array<const char*, 3> kak_names = {
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"key_area_key_application_", "key_area_key_ocean_", "key_area_key_system_"};
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for (size_t j = 0; j < 3; ++j) {
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const auto& match = kak_names[j];
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if (out[0].compare(0, std::strlen(match), match) == 0) {
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const auto index =
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std::stoul(out[0].substr(std::strlen(match), 2), nullptr, 16);
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s128_keys[{S128KeyType::KeyArea, index, j}] =
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Common::HexStringToArray<16>(out[1]);
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}
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}
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}
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}
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}
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@ -255,8 +314,15 @@ void KeyManager::SetKey(S128KeyType id, Key128 key, u64 field1, u64 field2) {
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Key128 rights_id;
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std::memcpy(rights_id.data(), &field2, sizeof(u64));
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std::memcpy(rights_id.data() + sizeof(u64), &field1, sizeof(u64));
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WriteKeyToFile(true, Common::HexArrayToString(rights_id), key);
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WriteKeyToFile(KeyCategory::Title, Common::HexArrayToString(rights_id), key);
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}
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auto category = KeyCategory::Standard;
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if (id == S128KeyType::Keyblob || id == S128KeyType::KeyblobMAC || id == S128KeyType::TSEC ||
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id == S128KeyType::SecureBoot || id == S128KeyType::SDSeed || id == S128KeyType::BIS) {
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category = KeyCategory::Console;
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}
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const auto iter2 = std::find_if(
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s128_file_id.begin(), s128_file_id.end(),
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[&id, &field1, &field2](const std::pair<std::string, KeyIndex<S128KeyType>> elem) {
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@ -33,8 +33,10 @@ enum class KeyCategory : u8 {
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};
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enum class S256KeyType : u64 {
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Header, //
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SDKeySource, // f1=SDKeyType
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SDKey, // f1=SDKeyType
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Header, //
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SDKeySource, // f1=SDKeyType
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HeaderSource, //
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};
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enum class S128KeyType : u64 {
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@ -47,6 +49,14 @@ enum class S128KeyType : u64 {
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SDSeed, //
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Titlekey, // f1=rights id LSB f2=rights id MSB
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Source, // f1=source type, f2= sub id
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Keyblob, // f1=crypto revision
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KeyblobMAC, // f1=crypto revision
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TSEC, //
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SecureBoot, //
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BIS, // f1=partition (0-3), f2=type {crypt, tweak}
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HeaderKek, //
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SDKek, //
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RSAKek, //
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};
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enum class KeyAreaKeyType : u8 {
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@ -59,6 +69,16 @@ enum class SourceKeyType : u8 {
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SDKek, //
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AESKekGeneration, //
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AESKeyGeneration, //
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RSAOaepKekGeneration, //
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Master, //
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Keyblob, // f2=crypto revision
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KeyAreaKey, // f2=KeyAreaKeyType
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Titlekek, //
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Package2, //
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HeaderKek, //
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KeyblobMAC, //
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ETicketKek, //
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ETicketKekek, //
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};
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enum class SDKeyType : u8 {
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@ -66,6 +86,16 @@ enum class SDKeyType : u8 {
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NCA,
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};
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enum class BISKeyType : u8 {
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Crypto,
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Tweak,
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};
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enum class RSAKekType : u8 {
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Mask0,
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Seed3,
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};
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template <typename KeyType>
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struct KeyIndex {
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KeyType type;
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