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-rw-r--r--src/core/crypto/key_manager.h26
1 files changed, 23 insertions, 3 deletions
diff --git a/src/core/crypto/key_manager.h b/src/core/crypto/key_manager.h
index 33b1ad383..31040dc55 100644
--- a/src/core/crypto/key_manager.h
+++ b/src/core/crypto/key_manager.h
@@ -23,9 +23,8 @@ static_assert(sizeof(Key128) == 16, "Key128 must be 128 bytes big.");
static_assert(sizeof(Key256) == 32, "Key128 must be 128 bytes big.");
enum class S256KeyType : u64 {
- Header, //
- SDSave, //
- SDNCA, //
+ Header, //
+ SDKeySource, // f1=SDKeyType
};
enum class S128KeyType : u64 {
@@ -37,6 +36,7 @@ enum class S128KeyType : u64 {
KeyArea, // f1=crypto revision f2=type {app, ocean, system}
SDSeed, //
Titlekey, // f1=rights id LSB f2=rights id MSB
+ Source, // f1=source type, f2= sub id
};
enum class KeyAreaKeyType : u8 {
@@ -45,6 +45,17 @@ enum class KeyAreaKeyType : u8 {
System,
};
+enum class SourceKeyType : u8 {
+ SDKEK,
+ AESKEKGeneration,
+ AESKeyGeneration,
+};
+
+enum class SDKeyType : u8 {
+ Save,
+ NCA,
+};
+
template <typename KeyType>
struct KeyIndex {
KeyType type;
@@ -83,6 +94,10 @@ public:
static bool KeyFileExists(bool title);
+ // Call before using the sd seed to attempt to derive it if it dosen't exist. Needs system save
+ // 8*43 and the private file to exist.
+ void DeriveSDSeedLazy();
+
private:
boost::container::flat_map<KeyIndex<S128KeyType>, Key128> s128_keys;
boost::container::flat_map<KeyIndex<S256KeyType>, Key256> s256_keys;
@@ -95,4 +110,9 @@ private:
static const boost::container::flat_map<std::string, KeyIndex<S128KeyType>> s128_file_id;
static const boost::container::flat_map<std::string, KeyIndex<S256KeyType>> s256_file_id;
};
+
+Key128 GenerateKeyEncryptionKey(Key128 source, Key128 master, Key128 kek_seed, Key128 key_seed);
+boost::optional<Key128> DeriveSDSeed();
+Loader::ResultStatus DeriveSDKeys(std::array<Key256, 2>& sd_keys, const KeyManager& keys);
+
} // namespace Core::Crypto