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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <unordered_map>
#include <vector>
#include <fmt/format.h>
#include "common/common_types.h"
namespace Crypto {
typedef std::array<u8, 0x10> Key128;
typedef std::array<u8, 0x20> Key256;
typedef std::array<u8, 0x20> SHA256Hash;
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, //
SD_SAVE, //
SD_NCA, //
};
enum class S128KeyType : u64 {
MASTER, // f1=crypto revision
PACKAGE1, // f1=crypto revision
PACKAGE2, // f1=crypto revision
TITLEKEK, // f1=crypto revision
ETICKET_RSA_KEK, //
KEY_AREA, // f1=crypto revision f2=type {app, ocean, system}
SD_SEED, //
TITLEKEY, // f1=rights id LSB f2=rights id MSB
};
enum class KeyAreaKeyType : u8 {
Application,
Ocean,
System,
};
template <typename KeyType>
struct KeyIndex {
KeyType type;
u64 field1;
u64 field2;
std::string DebugInfo() {
u8 key_size = 16;
if (std::is_same_v<KeyType, S256KeyType>)
key_size = 32;
return fmt::format("key_size={:02X}, key={:02X}, field1={:016X}, field2={:016X}", key_size,
static_cast<u8>(type), field1, field2);
}
};
// The following two (== and hash) are so KeyIndex can be a key in unordered_map
template <typename KeyType>
bool operator==(const KeyIndex<KeyType>& lhs, const KeyIndex<KeyType>& rhs) {
return lhs.type == rhs.type && lhs.field1 == rhs.field1 && lhs.field2 == rhs.field2;
}
} // namespace Crypto
namespace std {
template <typename KeyType>
struct hash<Crypto::KeyIndex<KeyType>> {
size_t operator()(const Crypto::KeyIndex<KeyType>& k) const {
using std::hash;
return ((hash<u64>()(static_cast<u64>(k.type)) ^ (hash<u64>()(k.field1) << 1)) >> 1) ^
(hash<u64>()(k.field2) << 1);
}
};
} // namespace std
namespace Crypto {
std::array<u8, 0x10> operator"" _array16(const char* str, size_t len);
std::array<u8, 0x20> operator"" _array32(const char* str, size_t len);
struct KeyManager {
void SetValidationMode(bool dev);
void LoadFromFile(std::string_view filename, bool is_title_keys);
bool HasKey(S128KeyType id, u64 field1 = 0, u64 field2 = 0);
bool HasKey(S256KeyType id, u64 field1 = 0, u64 field2 = 0);
Key128 GetKey(S128KeyType id, u64 field1 = 0, u64 field2 = 0);
Key256 GetKey(S256KeyType id, u64 field1 = 0, u64 field2 = 0);
void SetKey(S128KeyType id, Key128 key, u64 field1 = 0, u64 field2 = 0);
void SetKey(S256KeyType id, Key256 key, u64 field1 = 0, u64 field2 = 0);
bool ValidateKey(S128KeyType key, u64 field1 = 0, u64 field2 = 0);
bool ValidateKey(S256KeyType key, u64 field1 = 0, u64 field2 = 0);
private:
std::unordered_map<KeyIndex<S128KeyType>, Key128> s128_keys;
std::unordered_map<KeyIndex<S256KeyType>, Key256> s256_keys;
bool dev_mode = false;
static std::unordered_map<KeyIndex<S128KeyType>, SHA256Hash> s128_hash_prod;
static std::unordered_map<KeyIndex<S256KeyType>, SHA256Hash> s256_hash_prod;
static std::unordered_map<KeyIndex<S128KeyType>, SHA256Hash> s128_hash_dev;
static std::unordered_map<KeyIndex<S256KeyType>, SHA256Hash> s256_hash_dev;
static std::unordered_map<std::string, KeyIndex<S128KeyType>> s128_file_id;
static std::unordered_map<std::string, KeyIndex<S256KeyType>> s256_file_id;
};
extern KeyManager keys;
} // namespace Crypto
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