mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-24 04:42:11 +00:00
60 lines
2 KiB
C++
60 lines
2 KiB
C++
/*
|
|
* Copyright (c) 2018-2020 Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#pragma once
|
|
#include <vapours.hpp>
|
|
#include <exosphere/se/se_aes.hpp>
|
|
#include <exosphere/se/se_rsa.hpp>
|
|
|
|
namespace ams::se {
|
|
|
|
/* 256-bit AES keyslots are two 128-bit keys. */
|
|
constexpr inline int AesKeySlotPartCount = 2;
|
|
|
|
/* RSA keys are both a modulus and an exponent. */
|
|
constexpr inline int RsaKeySlotPartCount = 2;
|
|
|
|
constexpr inline size_t StickyBitContextSize = 2 * AesBlockSize;
|
|
|
|
struct Context {
|
|
u8 random[AesBlockSize];
|
|
u8 sticky_bits[StickyBitContextSize / AesBlockSize][AesBlockSize];
|
|
u8 aes_key[AesKeySlotCount][AesKeySlotPartCount][AesBlockSize];
|
|
u8 aes_oiv[AesKeySlotCount][AesBlockSize];
|
|
u8 aes_uiv[AesKeySlotCount][AesBlockSize];
|
|
u8 rsa_key[RsaKeySlotCount][RsaKeySlotPartCount][RsaSize / AesBlockSize][AesBlockSize];
|
|
u8 fixed_pattern[AesBlockSize];
|
|
};
|
|
static_assert(sizeof(Context) == 0x840);
|
|
static_assert(util::is_pod<Context>::value);
|
|
|
|
struct StickyBits {
|
|
u8 se_security;
|
|
u8 tzram_security;
|
|
u16 crypto_security_perkey;
|
|
u8 crypto_keytable_access[AesKeySlotCount];
|
|
u8 rsa_security_perkey;
|
|
u8 rsa_keytable_access[RsaKeySlotCount];
|
|
};
|
|
static_assert(util::is_pod<StickyBits>::value);
|
|
|
|
bool ValidateStickyBits(const StickyBits &bits);
|
|
void SaveContext(Context *dst);
|
|
|
|
void ConfigureAutomaticContextSave();
|
|
void SaveContextAutomatic();
|
|
void SaveTzramAutomatic();
|
|
|
|
}
|