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key_manager: Add keyblob support
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@ -21,6 +21,8 @@
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namespace Core::Crypto {
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constexpr u64 CURRENT_CRYPTO_REVISION = 0x5;
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Key128 GenerateKeyEncryptionKey(Key128 source, Key128 master, Key128 kek_seed, Key128 key_seed) {
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Key128 out{};
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@ -37,6 +39,14 @@ Key128 GenerateKeyEncryptionKey(Key128 source, Key128 master, Key128 kek_seed, K
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return out;
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}
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Key128 DeriveKeyblobKey(Key128 sbk, Key128 tsec, Key128 source) {
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AESCipher<Key128> sbk_cipher(sbk, Mode::ECB);
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AESCipher<Key128> tsec_cipher(tsec, Mode::ECB);
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tsec_cipher.Transcode(source.data(), source.size(), source.data(), Op::Decrypt);
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sbk_cipher.Transcode(source.data(), source.size(), source.data(), Op::Decrypt);
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return source;
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}
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boost::optional<Key128> DeriveSDSeed() {
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const FileUtil::IOFile save_43(FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) +
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"/system/save/8000000000000043",
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@ -109,6 +109,8 @@ public:
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private:
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boost::container::flat_map<KeyIndex<S128KeyType>, Key128> s128_keys;
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boost::container::flat_map<KeyIndex<S256KeyType>, Key256> s256_keys;
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std::array<std::array<u8, 0xB0>, 0x20> encrypted_keyblobs{};
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std::array<std::array<u8, 0x90>, 0x20> keyblobs{};
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bool dev_mode;
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void LoadFromFile(const std::string& filename, bool is_title_keys);
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@ -122,6 +124,8 @@ private:
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};
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Key128 GenerateKeyEncryptionKey(Key128 source, Key128 master, Key128 kek_seed, Key128 key_seed);
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Key128 DeriveKeyblobKey(Key128 sbk, Key128 tsec, Key128 source);
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boost::optional<Key128> DeriveSDSeed();
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Loader::ResultStatus DeriveSDKeys(std::array<Key256, 2>& sd_keys, const KeyManager& keys);
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