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// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <cstddef>
#include <vector>
#include "common/common_types.h"
namespace HW::AES {
enum KeySlotID : std::size_t {
// Used to decrypt the SSL client cert/private-key stored in ClCertA.
SSLKey = 0x0D,
// AES keyslots used to decrypt NCCH
NCCHSecure1 = 0x2C,
NCCHSecure2 = 0x25,
NCCHSecure3 = 0x18,
NCCHSecure4 = 0x1B,
// AES Keyslot used to generate the UDS data frame CCMP key.
UDSDataKey = 0x2D,
// AES Keyslot used to encrypt the BOSS container data.
BOSSDataKey = 0x38,
// AES Keyslot used to calculate DLP data frame checksum and encrypt Amiibo key data.
DLPNFCDataKey = 0x39,
// AES Keyslot used to generate the StreetPass CCMP key.
CECDDataKey = 0x2E,
// AES Keyslot used by the friends module.
FRDKey = 0x36,
// AES keyslot used for APT:Wrap/Unwrap functions
APTWrap = 0x31,
// AES keyslot used for decrypting ticket title key
TicketCommonKey = 0x3D,
MaxKeySlotID = 0x40,
};
enum DlpNfcKeyY : std::size_t {
// Download Play KeyY
Dlp = 0,
// NFC (Amiibo) KeyY
Nfc = 1
};
struct NfcSecret {
std::vector<u8> phrase;
std::vector<u8> seed;
std::vector<u8> hmac_key;
};
enum NfcSecretId : std::size_t {
UnfixedInfo = 0,
LockedSecret = 1,
};
constexpr std::size_t MaxCommonKeySlot = 6;
constexpr std::size_t NumDlpNfcKeyYs = 2;
constexpr std::size_t NumNfcSecrets = 2;
constexpr std::size_t AES_BLOCK_SIZE = 16;
using AESKey = std::array<u8, AES_BLOCK_SIZE>;
using AESIV = std::array<u8, AES_BLOCK_SIZE>;
void InitKeys(bool force = false);
void SetKeyX(std::size_t slot_id, const AESKey& key);
void SetKeyY(std::size_t slot_id, const AESKey& key);
void SetNormalKey(std::size_t slot_id, const AESKey& key);
bool IsKeyXAvailable(std::size_t slot_id);
bool IsNormalKeyAvailable(std::size_t slot_id);
AESKey GetNormalKey(std::size_t slot_id);
void SelectCommonKeyIndex(u8 index);
void SelectDlpNfcKeyYIndex(u8 index);
bool NfcSecretsAvailable();
const NfcSecret& GetNfcSecret(NfcSecretId secret_id);
const AESIV& GetNfcIv();
} // namespace HW::AES
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