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Luma3DS-3GX/source/crypto.h

116 lines
4.3 KiB
C
Executable File

/*
* This file is part of Luma3DS
* Copyright (C) 2016 Aurora Wright, TuxSH
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that 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/>.
*
* Additional Terms 7.b of GPLv3 applies to this file: Requiring preservation of specified
* reasonable legal notices or author attributions in that material or in the Appropriate Legal
* Notices displayed by works containing it.
*/
/*
* Crypto libs from http://github.com/b1l1s/ctr
* kernel9Loader code originally adapted from https://github.com/Reisyukaku/ReiNand/blob/228c378255ba693133dec6f3368e14d386f2cde7/source/crypto.c#L233
* decryptNusFirm code adapted from https://github.com/mid-kid/CakesForeveryWan/blob/master/source/firm.c
* ctrNandWrite logic adapted from https://github.com/d0k3/GodMode9/blob/master/source/nand/nand.c
*/
#pragma once
#include "types.h"
/**************************AES****************************/
#define REG_AESCNT ((vu32 *)0x10009000)
#define REG_AESBLKCNT ((vu32 *)0x10009004)
#define REG_AESWRFIFO ((vu32 *)0x10009008)
#define REG_AESRDFIFO ((vu32 *)0x1000900C)
#define REG_AESKEYSEL ((vu8 *)0x10009010)
#define REG_AESKEYCNT ((vu8 *)0x10009011)
#define REG_AESCTR ((vu32 *)0x10009020)
#define REG_AESKEYFIFO ((vu32 *)0x10009100)
#define REG_AESKEYXFIFO ((vu32 *)0x10009104)
#define REG_AESKEYYFIFO ((vu32 *)0x10009108)
#define AES_CCM_DECRYPT_MODE (0u << 27)
#define AES_CCM_ENCRYPT_MODE (1u << 27)
#define AES_CTR_MODE (2u << 27)
#define AES_CTR_MODE (2u << 27)
#define AES_CBC_DECRYPT_MODE (4u << 27)
#define AES_CBC_ENCRYPT_MODE (5u << 27)
#define AES_ECB_DECRYPT_MODE (6u << 27)
#define AES_ECB_ENCRYPT_MODE (7u << 27)
#define AES_ALL_MODES (7u << 27)
#define AES_CNT_START 0x80000000
#define AES_CNT_INPUT_ORDER 0x02000000
#define AES_CNT_OUTPUT_ORDER 0x01000000
#define AES_CNT_INPUT_ENDIAN 0x00800000
#define AES_CNT_OUTPUT_ENDIAN 0x00400000
#define AES_CNT_FLUSH_READ 0x00000800
#define AES_CNT_FLUSH_WRITE 0x00000400
#define AES_INPUT_BE (AES_CNT_INPUT_ENDIAN)
#define AES_INPUT_LE 0
#define AES_INPUT_NORMAL (AES_CNT_INPUT_ORDER)
#define AES_INPUT_REVERSED 0
#define AES_BLOCK_SIZE 0x10
#define AES_KEYCNT_WRITE (1 << 0x7)
#define AES_KEYNORMAL 0
#define AES_KEYX 1
#define AES_KEYY 2
/**************************SHA****************************/
#define REG_SHA_CNT ((vu32 *)0x1000A000)
#define REG_SHA_BLKCNT ((vu32 *)0x1000A004)
#define REG_SHA_HASH ((vu32 *)0x1000A040)
#define REG_SHA_INFIFO ((vu32 *)0x1000A080)
#define SHA_CNT_STATE 0x00000003
#define SHA_CNT_UNK2 0x00000004
#define SHA_CNT_OUTPUT_ENDIAN 0x00000008
#define SHA_CNT_MODE 0x00000030
#define SHA_CNT_ENABLE 0x00010000
#define SHA_CNT_ACTIVE 0x00020000
#define SHA_HASH_READY 0x00000000
#define SHA_NORMAL_ROUND 0x00000001
#define SHA_FINAL_ROUND 0x00000002
#define SHA_OUTPUT_BE SHA_CNT_OUTPUT_ENDIAN
#define SHA_OUTPUT_LE 0
#define SHA_256_MODE 0
#define SHA_224_MODE 0x00000010
#define SHA_1_MODE 0x00000020
#define SHA_256_HASH_SIZE (256 / 8)
#define SHA_224_HASH_SIZE (224 / 8)
#define SHA_1_HASH_SIZE (160 / 8)
extern u32 emuOffset;
extern FirmwareSource firmSource;
void ctrNandInit(void);
int ctrNandRead(u32 sector, u32 sectorCount, u8 *outbuf);
int ctrNandWrite(u32 sector, u32 sectorCount, const u8 *inbuf);
void set6x7xKeys(void);
bool decryptExeFs(Cxi *cxi);
bool decryptNusFirm(const Ticket *ticket, Cxi *cxi, u32 ncchSize);
void kernel9Loader(Arm9Bin *arm9Section);
void computePinHash(u8 *outbuf, const u8 *inbuf);
void backupAndRestoreShaHash(bool isRestore);