218 lines
6.1 KiB
C
218 lines
6.1 KiB
C
/*
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* Copyright (c) 2019-2022 shchmue
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* 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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#ifndef _KEYS_H_
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#define _KEYS_H_
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#include <utils/types.h>
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#include "../hos/hos.h"
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#define AES_128_KEY_SIZE 16
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#define RSA_2048_KEY_SIZE 256
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#define RSA_PUBLIC_EXPONENT 65537
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// Lockpick_RCM keyslots
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#define KS_BIS_00_0 0
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#define KS_BIS_00_1 1
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#define KS_BIS_01_0 2
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#define KS_BIS_01_1 3
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#define KS_BIS_02_0 4
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#define KS_BIS_02_1 5
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#define KS_AES_CTR 6
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#define KS_AES_ECB 8
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#define KS_AES_CMAC 10
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// Mariko keyslots
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#define KS_MARIKO_KEK 12
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#define KS_MARIKO_BEK 13
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// Other Switch keyslots
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#define KS_TSEC 12
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#define KS_SECURE_BOOT 14
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// Atmosphere keygen keyslots
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#define KS_TSEC_ROOT_DEV 11
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#define KS_TSEC_ROOT 13
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// only tickets of type Rsa2048Sha256 are expected
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typedef struct {
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u32 signature_type; // always 0x10004
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u8 signature[RSA_2048_KEY_SIZE];
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u8 sig_padding[0x3C];
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char issuer[0x40];
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u8 titlekey_block[RSA_2048_KEY_SIZE];
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u8 format_version;
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u8 titlekey_type;
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u16 ticket_version;
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u8 license_type;
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u8 common_key_id;
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u16 property_mask;
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u64 reserved;
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u64 ticket_id;
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u64 device_id;
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u8 rights_id[0x10];
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u32 account_id;
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u32 sect_total_size;
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u32 sect_hdr_offset;
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u16 sect_hdr_count;
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u16 sect_hdr_entry_size;
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u8 padding[0x140];
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} ticket_t;
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typedef struct {
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u8 rights_id[0x10];
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u64 ticket_id;
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u32 account_id;
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u16 property_mask;
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u16 reserved;
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} ticket_record_t;
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typedef struct {
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u8 read_buffer[SZ_256K];
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u8 rights_ids[SZ_256K / 0x10][0x10];
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u8 titlekeys[SZ_256K / 0x10][0x10];
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} titlekey_buffer_t;
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typedef struct {
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u8 private_exponent[RSA_2048_KEY_SIZE];
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u8 modulus[RSA_2048_KEY_SIZE];
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u8 public_exponent[4];
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u8 reserved[0xC];
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} rsa_keypair_t;
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typedef struct {
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u8 master_kek[AES_128_KEY_SIZE];
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u8 data[0x70];
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u8 package1_key[AES_128_KEY_SIZE];
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} keyblob_t;
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typedef struct {
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u8 cmac[0x10];
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u8 iv[0x10];
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keyblob_t key_data;
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u8 unused[0x150];
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} encrypted_keyblob_t;
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typedef struct {
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char phrase[0xE];
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u8 seed[0xE];
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u8 hmac_key[0x10];
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char phrase_for_verif[0xE];
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u8 seed_for_verif[0x10];
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u8 hmac_key_for_verif[0x10];
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u8 ctr_key[0x10];
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u8 ctr_iv[0x10];
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u8 pad[6];
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} nfc_keyblob_t;
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typedef struct {
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u8 hmac_key[0x10];
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char phrase[0xE];
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u8 rsvd;
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u8 seed_size;
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u8 seed[0x10];
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u8 xor_pad[0x20];
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} nfc_save_key_t;
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typedef enum {
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SEAL_KEY_LOAD_AES_KEY = 0,
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SEAL_KEY_DECRYPT_DEVICE_UNIQUE_DATA = 1,
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SEAL_KEY_IMPORT_LOTUS_KEY = 2,
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SEAL_KEY_IMPORT_ES_DEVICE_KEY = 3,
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SEAL_KEY_REENCRYPT_DEVICE_UNIQUE_DATA = 4,
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SEAL_KEY_IMPORT_SSL_KEY = 5,
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SEAL_KEY_IMPORT_ES_CLIENT_CERT_KEY = 6,
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} seal_key_t;
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typedef enum {
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NOT_DEVICE_UNIQUE = 0,
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IS_DEVICE_UNIQUE = 1,
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} device_unique_t;
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#define SET_SEAL_KEY_INDEX(x) (((x) & 7) << 5)
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#define GET_SEAL_KEY_INDEX(x) (((x) >> 5) & 7)
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#define GET_IS_DEVICE_UNIQUE(x) ((x) & 1)
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#define SSL_RSA_KEY_SIZE (RSA_2048_KEY_SIZE + AES_128_KEY_SIZE)
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typedef struct {
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u8 temp_key[AES_128_KEY_SIZE],
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bis_key[4][AES_128_KEY_SIZE * 2],
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device_key[AES_128_KEY_SIZE],
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device_key_4x[AES_128_KEY_SIZE],
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sd_seed[AES_128_KEY_SIZE],
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// FS-related keys
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header_key[AES_128_KEY_SIZE * 2],
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save_mac_key[AES_128_KEY_SIZE],
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// other sysmodule keys
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eticket_rsa_kek[AES_128_KEY_SIZE],
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eticket_rsa_kek_personalized[AES_128_KEY_SIZE],
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ssl_rsa_kek[AES_128_KEY_SIZE],
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ssl_rsa_kek_legacy[AES_128_KEY_SIZE],
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ssl_rsa_kek_personalized[AES_128_KEY_SIZE],
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ssl_rsa_key[RSA_2048_KEY_SIZE + 0x20],
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// keyblob-derived families
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keyblob_key[KB_FIRMWARE_VERSION_600 + 1][AES_128_KEY_SIZE],
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keyblob_mac_key[KB_FIRMWARE_VERSION_600 + 1][AES_128_KEY_SIZE],
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package1_key[KB_FIRMWARE_VERSION_600 + 1][AES_128_KEY_SIZE],
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// master key-derived families
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key_area_key[3][KB_FIRMWARE_VERSION_MAX + 1][AES_128_KEY_SIZE],
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master_kek[KB_FIRMWARE_VERSION_MAX + 1][AES_128_KEY_SIZE],
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master_key[KB_FIRMWARE_VERSION_MAX + 1][AES_128_KEY_SIZE],
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package2_key[KB_FIRMWARE_VERSION_MAX + 1][AES_128_KEY_SIZE],
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titlekek[KB_FIRMWARE_VERSION_MAX + 1][AES_128_KEY_SIZE],
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tsec_key[AES_128_KEY_SIZE],
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tsec_root_key[AES_128_KEY_SIZE];
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u32 sbk[4];
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keyblob_t keyblob[KB_FIRMWARE_VERSION_600 + 1];
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rsa_keypair_t eticket_rsa_keypair;
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} key_derivation_ctx_t;
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typedef struct {
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char rights_id[0x20];
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char equals[3];
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char titlekey[0x20];
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char newline[1];
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} titlekey_text_buffer_t;
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#define TPRINTF(text) \
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end_time = get_tmr_us(); \
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gfx_printf(text" done in %d us\n", end_time - start_time); \
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start_time = get_tmr_us(); \
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minerva_periodic_training()
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#define TPRINTFARGS(text, args...) \
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end_time = get_tmr_us(); \
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gfx_printf(text" done in %d us\n", args, end_time - start_time); \
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start_time = get_tmr_us(); \
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minerva_periodic_training()
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// save key wrapper
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#define SAVE_KEY(name) _save_key(#name, name, sizeof(name), text_buffer)
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// save key with different name than variable
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#define SAVE_KEY_VAR(name, varname) _save_key(#name, varname, sizeof(varname), text_buffer)
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// save key family wrapper
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#define SAVE_KEY_FAMILY(name, start) _save_key_family(#name, name, start, ARRAY_SIZE(name), sizeof(*(name)), text_buffer)
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// save key family with different name than variable
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#define SAVE_KEY_FAMILY_VAR(name, varname, start) _save_key_family(#name, varname, start, ARRAY_SIZE(varname), sizeof(*(varname)), text_buffer)
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void dump_keys();
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int save_mariko_partial_keys(u32 start, u32 count, bool append);
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void derive_amiibo_keys();
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#endif
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