187 lines
6.4 KiB
C
Executable File
187 lines
6.4 KiB
C
Executable File
/*
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* This file is part of Luma3DS
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* Copyright (C) 2016 Aurora Wright, TuxSH
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Additional Terms 7.b of GPLv3 applies to this file: Requiring preservation of specified
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* reasonable legal notices or author attributions in that material or in the Appropriate Legal
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* Notices displayed by works containing it.
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*/
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/*
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* Crypto libs from http://github.com/b1l1s/ctr
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* kernel9Loader code originally adapted from https://github.com/Reisyukaku/ReiNand/blob/228c378255ba693133dec6f3368e14d386f2cde7/source/crypto.c#L233
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* decryptNusFirm code adapted from https://github.com/mid-kid/CakesForeveryWan/blob/master/source/firm.c
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* 3ds type structs adapted from 3DBrew and https://github.com/mid-kid/CakesForeveryWan/blob/master/source/headers.h
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*/
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#pragma once
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#include "types.h"
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/**************************AES****************************/
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#define REG_AESCNT ((vu32 *)0x10009000)
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#define REG_AESBLKCNT ((vu32 *)0x10009004)
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#define REG_AESWRFIFO ((vu32 *)0x10009008)
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#define REG_AESRDFIFO ((vu32 *)0x1000900C)
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#define REG_AESKEYSEL ((vu8 *)0x10009010)
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#define REG_AESKEYCNT ((vu8 *)0x10009011)
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#define REG_AESCTR ((vu32 *)0x10009020)
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#define REG_AESKEYFIFO ((vu32 *)0x10009100)
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#define REG_AESKEYXFIFO ((vu32 *)0x10009104)
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#define REG_AESKEYYFIFO ((vu32 *)0x10009108)
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#define AES_CCM_DECRYPT_MODE (0u << 27)
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#define AES_CCM_ENCRYPT_MODE (1u << 27)
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#define AES_CTR_MODE (2u << 27)
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#define AES_CTR_MODE (2u << 27)
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#define AES_CBC_DECRYPT_MODE (4u << 27)
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#define AES_CBC_ENCRYPT_MODE (5u << 27)
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#define AES_ECB_DECRYPT_MODE (6u << 27)
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#define AES_ECB_ENCRYPT_MODE (7u << 27)
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#define AES_ALL_MODES (7u << 27)
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#define AES_CNT_START 0x80000000
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#define AES_CNT_INPUT_ORDER 0x02000000
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#define AES_CNT_OUTPUT_ORDER 0x01000000
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#define AES_CNT_INPUT_ENDIAN 0x00800000
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#define AES_CNT_OUTPUT_ENDIAN 0x00400000
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#define AES_CNT_FLUSH_READ 0x00000800
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#define AES_CNT_FLUSH_WRITE 0x00000400
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#define AES_INPUT_BE (AES_CNT_INPUT_ENDIAN)
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#define AES_INPUT_LE 0
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#define AES_INPUT_NORMAL (AES_CNT_INPUT_ORDER)
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#define AES_INPUT_REVERSED 0
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#define AES_BLOCK_SIZE 0x10
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#define AES_KEYCNT_WRITE (1 << 0x7)
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#define AES_KEYNORMAL 0
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#define AES_KEYX 1
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#define AES_KEYY 2
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/**************************SHA****************************/
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#define REG_SHA_CNT ((vu32 *)0x1000A000)
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#define REG_SHA_BLKCNT ((vu32 *)0x1000A004)
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#define REG_SHA_HASH ((vu32 *)0x1000A040)
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#define REG_SHA_INFIFO ((vu32 *)0x1000A080)
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#define SHA_CNT_STATE 0x00000003
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#define SHA_CNT_UNK2 0x00000004
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#define SHA_CNT_OUTPUT_ENDIAN 0x00000008
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#define SHA_CNT_MODE 0x00000030
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#define SHA_CNT_ENABLE 0x00010000
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#define SHA_CNT_ACTIVE 0x00020000
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#define SHA_HASH_READY 0x00000000
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#define SHA_NORMAL_ROUND 0x00000001
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#define SHA_FINAL_ROUND 0x00000002
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#define SHA_OUTPUT_BE SHA_CNT_OUTPUT_ENDIAN
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#define SHA_OUTPUT_LE 0
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#define SHA_256_MODE 0
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#define SHA_224_MODE 0x00000010
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#define SHA_1_MODE 0x00000020
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#define SHA_256_HASH_SIZE (256 / 8)
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#define SHA_224_HASH_SIZE (224 / 8)
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#define SHA_1_HASH_SIZE (160 / 8)
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typedef struct Ncch {
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uint8_t sig[0x100]; //RSA-2048 signature of the NCCH header, using SHA-256
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char magic[4]; //NCCH
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uint32_t contentSize; //Media unit
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uint8_t partitionId[8];
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uint8_t makerCode[2];
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uint16_t version;
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uint8_t reserved1[4];
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uint8_t programID[8];
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uint8_t reserved2[0x10];
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uint8_t logoHash[0x20]; //Logo Region SHA-256 hash
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char productCode[0x10];
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uint8_t exHeaderHash[0x20]; //Extended header SHA-256 hash
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uint32_t exHeaderSize; //Extended header size
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uint32_t reserved3;
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uint8_t flags[8];
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uint32_t plainOffset; //Media unit
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uint32_t plainSize; //Media unit
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uint32_t logoOffset; //Media unit
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uint32_t logoSize; //Media unit
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uint32_t exeFsOffset; //Media unit
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uint32_t exeFsSize; //Media unit
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uint32_t exeFsHashSize; //Media unit
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uint32_t reserved4;
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uint32_t romFsOffset; //Media unit
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uint32_t romFsSize; //Media unit
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uint32_t romFsHashSize; //Media unit
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uint32_t reserved5;
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uint8_t exeFsHash[0x20]; //ExeFS superblock SHA-256 hash
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uint8_t romFsHash[0x20]; //RomFS superblock SHA-256 hash
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} Ncch;
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typedef struct Ticket
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{
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char sigIssuer[0x40];
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uint8_t eccPubKey[0x3C];
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uint8_t version;
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uint8_t caCrlVersion;
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uint8_t signerCrlVersion;
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uint8_t titleKey[0x10];
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uint8_t reserved1;
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uint8_t ticketId[8];
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uint8_t consoleId[4];
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uint8_t titleId[8];
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uint8_t reserved2[2];
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uint16_t ticketTitleVersion;
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uint8_t reserved3[8];
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uint8_t licenseType;
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uint8_t ticketCommonKeyYIndex; //Ticket common keyY index, usually 0x1 for retail system titles.
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uint8_t reserved4[0x2A];
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uint8_t unk[4]; //eShop Account ID?
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uint8_t reserved5;
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uint8_t audit;
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uint8_t reserved6[0x42];
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uint8_t limits[0x40];
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uint8_t contentIndex[0xAC];
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} Ticket;
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typedef struct Arm9Bin {
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uint8_t keyX[0x10];
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uint8_t keyY[0x10];
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uint8_t ctr[0x10];
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char size[8];
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uint8_t reserved[8];
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uint8_t ctlBlock[0x10];
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char magic[4];
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uint8_t reserved2[0xC];
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uint8_t slot0x16keyX[0x10];
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} Arm9Bin;
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extern u32 emuOffset;
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extern bool isN3DS, isDevUnit, isA9lh;
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extern FirmwareSource firmSource;
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void ctrNandInit(void);
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int ctrNandRead(u32 sector, u32 sectorCount, u8 *outbuf);
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int ctrNandWrite(u32 sector, u32 sectorCount, u8 *inbuf);
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void set6x7xKeys(void);
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void decryptExeFs(Ncch *ncch);
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void decryptNusFirm(const Ticket *ticket, Ncch *ncch, u32 ncchSize);
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void kernel9Loader(Arm9Bin *arm9Section);
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void computePinHash(u8 *outbuf, const u8 *inbuf);
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void restoreShaHashBackup(void); |