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https://github.com/yuzu-emu/yuzu-mainline
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Merge pull request #4561 from lioncash/key-constexpr
key_manager: Make data arrays constexpr
This commit is contained in:
bunnei
GitHub
commit
ab350b8975
2 changed files with 82 additions and 75 deletions
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@ -36,6 +36,7 @@
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#include "core/settings.h"
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namespace Core::Crypto {
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namespace {
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constexpr u64 CURRENT_CRYPTO_REVISION = 0x5;
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constexpr u64 FULL_TICKET_SIZE = 0x400;
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@ -49,7 +50,72 @@ constexpr std::array eticket_source_hashes{
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};
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// clang-format on
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const std::map<std::pair<S128KeyType, u64>, std::string> KEYS_VARIABLE_LENGTH{
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constexpr std::array<std::pair<std::string_view, KeyIndex<S128KeyType>>, 30> s128_file_id{{
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{"eticket_rsa_kek", {S128KeyType::ETicketRSAKek, 0, 0}},
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{"eticket_rsa_kek_source",
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{S128KeyType::Source, static_cast<u64>(SourceKeyType::ETicketKek), 0}},
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{"eticket_rsa_kekek_source",
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{S128KeyType::Source, static_cast<u64>(SourceKeyType::ETicketKekek), 0}},
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{"rsa_kek_mask_0", {S128KeyType::RSAKek, static_cast<u64>(RSAKekType::Mask0), 0}},
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{"rsa_kek_seed_3", {S128KeyType::RSAKek, static_cast<u64>(RSAKekType::Seed3), 0}},
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{"rsa_oaep_kek_generation_source",
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{S128KeyType::Source, static_cast<u64>(SourceKeyType::RSAOaepKekGeneration), 0}},
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{"sd_card_kek_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::SDKek), 0}},
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{"aes_kek_generation_source",
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{S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKekGeneration), 0}},
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{"aes_key_generation_source",
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{S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration), 0}},
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{"package2_key_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::Package2), 0}},
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{"master_key_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::Master), 0}},
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{"header_kek_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::HeaderKek), 0}},
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{"key_area_key_application_source",
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{S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey),
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static_cast<u64>(KeyAreaKeyType::Application)}},
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{"key_area_key_ocean_source",
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{S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey),
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static_cast<u64>(KeyAreaKeyType::Ocean)}},
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{"key_area_key_system_source",
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{S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey),
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static_cast<u64>(KeyAreaKeyType::System)}},
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{"titlekek_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::Titlekek), 0}},
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{"keyblob_mac_key_source",
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{S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyblobMAC), 0}},
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{"tsec_key", {S128KeyType::TSEC, 0, 0}},
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{"secure_boot_key", {S128KeyType::SecureBoot, 0, 0}},
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{"sd_seed", {S128KeyType::SDSeed, 0, 0}},
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{"bis_key_0_crypt", {S128KeyType::BIS, 0, static_cast<u64>(BISKeyType::Crypto)}},
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{"bis_key_0_tweak", {S128KeyType::BIS, 0, static_cast<u64>(BISKeyType::Tweak)}},
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{"bis_key_1_crypt", {S128KeyType::BIS, 1, static_cast<u64>(BISKeyType::Crypto)}},
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{"bis_key_1_tweak", {S128KeyType::BIS, 1, static_cast<u64>(BISKeyType::Tweak)}},
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{"bis_key_2_crypt", {S128KeyType::BIS, 2, static_cast<u64>(BISKeyType::Crypto)}},
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{"bis_key_2_tweak", {S128KeyType::BIS, 2, static_cast<u64>(BISKeyType::Tweak)}},
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{"bis_key_3_crypt", {S128KeyType::BIS, 3, static_cast<u64>(BISKeyType::Crypto)}},
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{"bis_key_3_tweak", {S128KeyType::BIS, 3, static_cast<u64>(BISKeyType::Tweak)}},
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{"header_kek", {S128KeyType::HeaderKek, 0, 0}},
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{"sd_card_kek", {S128KeyType::SDKek, 0, 0}},
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}};
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auto Find128ByName(std::string_view name) {
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return std::find_if(s128_file_id.begin(), s128_file_id.end(),
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[&name](const auto& pair) { return pair.first == name; });
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}
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constexpr std::array<std::pair<std::string_view, KeyIndex<S256KeyType>>, 6> s256_file_id{{
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{"header_key", {S256KeyType::Header, 0, 0}},
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{"sd_card_save_key_source", {S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::Save), 0}},
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{"sd_card_nca_key_source", {S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::NCA), 0}},
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{"header_key_source", {S256KeyType::HeaderSource, 0, 0}},
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{"sd_card_save_key", {S256KeyType::SDKey, static_cast<u64>(SDKeyType::Save), 0}},
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{"sd_card_nca_key", {S256KeyType::SDKey, static_cast<u64>(SDKeyType::NCA), 0}},
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}};
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auto Find256ByName(std::string_view name) {
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return std::find_if(s256_file_id.begin(), s256_file_id.end(),
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[&name](const auto& pair) { return pair.first == name; });
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}
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using KeyArray = std::array<std::pair<std::pair<S128KeyType, u64>, std::string_view>, 7>;
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constexpr KeyArray KEYS_VARIABLE_LENGTH{{
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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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@ -57,14 +123,13 @@ const std::map<std::pair<S128KeyType, u64>, std::string> KEYS_VARIABLE_LENGTH{
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{{S128KeyType::Source, static_cast<u64>(SourceKeyType::Keyblob)}, "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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}};
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namespace {
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template <std::size_t Size>
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bool IsAllZeroArray(const std::array<u8, Size>& array) {
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return std::all_of(array.begin(), array.end(), [](const auto& elem) { return elem == 0; });
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}
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} // namespace
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} // Anonymous namespace
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u64 GetSignatureTypeDataSize(SignatureType type) {
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switch (type) {
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@ -564,13 +629,13 @@ void KeyManager::LoadFromFile(const std::string& filename, bool is_title_keys) {
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s128_keys[{S128KeyType::Titlekey, rights_id[1], rights_id[0]}] = key;
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} else {
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out[0] = Common::ToLower(out[0]);
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if (s128_file_id.find(out[0]) != s128_file_id.end()) {
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const auto index = s128_file_id.at(out[0]);
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Key128 key = Common::HexStringToArray<16>(out[1]);
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if (const auto iter128 = Find128ByName(out[0]); iter128 != s128_file_id.end()) {
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const auto& index = iter128->second;
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const Key128 key = Common::HexStringToArray<16>(out[1]);
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s128_keys[{index.type, index.field1, index.field2}] = key;
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} else if (s256_file_id.find(out[0]) != s256_file_id.end()) {
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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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} else if (const auto iter256 = Find256ByName(out[0]); iter256 != s256_file_id.end()) {
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const auto& index = iter256->second;
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const 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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@ -742,8 +807,7 @@ void KeyManager::SetKey(S128KeyType id, Key128 key, u64 field1, u64 field2) {
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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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s128_file_id.begin(), s128_file_id.end(), [&id, &field1, &field2](const auto& elem) {
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return std::tie(elem.second.type, elem.second.field1, elem.second.field2) ==
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std::tie(id, field1, field2);
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});
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@ -753,9 +817,11 @@ void KeyManager::SetKey(S128KeyType id, Key128 key, u64 field1, u64 field2) {
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// Variable cases
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if (id == S128KeyType::KeyArea) {
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static constexpr std::array<const char*, 3> kak_names = {"key_area_key_application_{:02X}",
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"key_area_key_ocean_{:02X}",
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"key_area_key_system_{:02X}"};
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static constexpr std::array<const char*, 3> kak_names = {
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"key_area_key_application_{:02X}",
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"key_area_key_ocean_{:02X}",
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"key_area_key_system_{:02X}",
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};
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WriteKeyToFile(category, fmt::format(kak_names.at(field2), field1), key);
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} else if (id == S128KeyType::Master) {
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WriteKeyToFile(category, fmt::format("master_key_{:02X}", field1), key);
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@ -781,8 +847,7 @@ void KeyManager::SetKey(S256KeyType id, Key256 key, u64 field1, u64 field2) {
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return;
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}
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const auto iter = std::find_if(
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s256_file_id.begin(), s256_file_id.end(),
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[&id, &field1, &field2](const std::pair<std::string, KeyIndex<S256KeyType>> elem) {
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s256_file_id.begin(), s256_file_id.end(), [&id, &field1, &field2](const auto& elem) {
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return std::tie(elem.second.type, elem.second.field1, elem.second.field2) ==
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std::tie(id, field1, field2);
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});
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@ -1245,58 +1310,4 @@ bool KeyManager::AddTicketPersonalized(Ticket raw) {
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SetKey(S128KeyType::Titlekey, key, rights_id[1], rights_id[0]);
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return true;
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}
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const boost::container::flat_map<std::string, KeyIndex<S128KeyType>> KeyManager::s128_file_id = {
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{"eticket_rsa_kek", {S128KeyType::ETicketRSAKek, 0, 0}},
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{"eticket_rsa_kek_source",
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{S128KeyType::Source, static_cast<u64>(SourceKeyType::ETicketKek), 0}},
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{"eticket_rsa_kekek_source",
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{S128KeyType::Source, static_cast<u64>(SourceKeyType::ETicketKekek), 0}},
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{"rsa_kek_mask_0", {S128KeyType::RSAKek, static_cast<u64>(RSAKekType::Mask0), 0}},
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{"rsa_kek_seed_3", {S128KeyType::RSAKek, static_cast<u64>(RSAKekType::Seed3), 0}},
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{"rsa_oaep_kek_generation_source",
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{S128KeyType::Source, static_cast<u64>(SourceKeyType::RSAOaepKekGeneration), 0}},
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{"sd_card_kek_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::SDKek), 0}},
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{"aes_kek_generation_source",
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{S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKekGeneration), 0}},
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{"aes_key_generation_source",
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{S128KeyType::Source, static_cast<u64>(SourceKeyType::AESKeyGeneration), 0}},
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{"package2_key_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::Package2), 0}},
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{"master_key_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::Master), 0}},
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{"header_kek_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::HeaderKek), 0}},
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{"key_area_key_application_source",
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{S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey),
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static_cast<u64>(KeyAreaKeyType::Application)}},
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{"key_area_key_ocean_source",
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{S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey),
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static_cast<u64>(KeyAreaKeyType::Ocean)}},
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{"key_area_key_system_source",
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{S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyAreaKey),
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static_cast<u64>(KeyAreaKeyType::System)}},
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{"titlekek_source", {S128KeyType::Source, static_cast<u64>(SourceKeyType::Titlekek), 0}},
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{"keyblob_mac_key_source",
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{S128KeyType::Source, static_cast<u64>(SourceKeyType::KeyblobMAC), 0}},
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{"tsec_key", {S128KeyType::TSEC, 0, 0}},
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{"secure_boot_key", {S128KeyType::SecureBoot, 0, 0}},
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{"sd_seed", {S128KeyType::SDSeed, 0, 0}},
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{"bis_key_0_crypt", {S128KeyType::BIS, 0, static_cast<u64>(BISKeyType::Crypto)}},
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{"bis_key_0_tweak", {S128KeyType::BIS, 0, static_cast<u64>(BISKeyType::Tweak)}},
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{"bis_key_1_crypt", {S128KeyType::BIS, 1, static_cast<u64>(BISKeyType::Crypto)}},
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{"bis_key_1_tweak", {S128KeyType::BIS, 1, static_cast<u64>(BISKeyType::Tweak)}},
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{"bis_key_2_crypt", {S128KeyType::BIS, 2, static_cast<u64>(BISKeyType::Crypto)}},
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{"bis_key_2_tweak", {S128KeyType::BIS, 2, static_cast<u64>(BISKeyType::Tweak)}},
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{"bis_key_3_crypt", {S128KeyType::BIS, 3, static_cast<u64>(BISKeyType::Crypto)}},
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{"bis_key_3_tweak", {S128KeyType::BIS, 3, static_cast<u64>(BISKeyType::Tweak)}},
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{"header_kek", {S128KeyType::HeaderKek, 0, 0}},
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{"sd_card_kek", {S128KeyType::SDKek, 0, 0}},
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};
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const boost::container::flat_map<std::string, KeyIndex<S256KeyType>> KeyManager::s256_file_id = {
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{"header_key", {S256KeyType::Header, 0, 0}},
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{"sd_card_save_key_source", {S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::Save), 0}},
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{"sd_card_nca_key_source", {S256KeyType::SDKeySource, static_cast<u64>(SDKeyType::NCA), 0}},
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{"header_key_source", {S256KeyType::HeaderSource, 0, 0}},
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{"sd_card_save_key", {S256KeyType::SDKey, static_cast<u64>(SDKeyType::Save), 0}},
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{"sd_card_nca_key", {S256KeyType::SDKey, static_cast<u64>(SDKeyType::NCA), 0}},
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};
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} // namespace Core::Crypto
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@ -10,7 +10,6 @@
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#include <string>
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#include <variant>
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#include <boost/container/flat_map.hpp>
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#include <fmt/format.h>
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#include "common/common_funcs.h"
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#include "common/common_types.h"
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@ -293,9 +292,6 @@ private:
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void SetKeyWrapped(S128KeyType id, Key128 key, u64 field1 = 0, u64 field2 = 0);
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void SetKeyWrapped(S256KeyType id, Key256 key, u64 field1 = 0, u64 field2 = 0);
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static const boost::container::flat_map<std::string, KeyIndex<S128KeyType>> s128_file_id;
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static const boost::container::flat_map<std::string, KeyIndex<S256KeyType>> s256_file_id;
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};
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Key128 GenerateKeyEncryptionKey(Key128 source, Key128 master, Key128 kek_seed, Key128 key_seed);
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