mirror of
https://github.com/suchmememanyskill/TegraExplorer.git
synced 2024-11-26 22:02:08 +00:00
225 lines
No EOL
6.7 KiB
C
225 lines
No EOL
6.7 KiB
C
#include <string.h>
|
|
#include "emmc.h"
|
|
#include "../../mem/heap.h"
|
|
#include "../../utils/types.h"
|
|
#include "../../libs/fatfs/ff.h"
|
|
#include "../../utils/sprintf.h"
|
|
#include "../../utils/btn.h"
|
|
#include "../../gfx/gfx.h"
|
|
#include "../../utils/util.h"
|
|
#include "../../hos/pkg1.h"
|
|
#include "../../storage/sdmmc.h"
|
|
#include "../../storage/nx_emmc.h"
|
|
#include "../../sec/tsec.h"
|
|
#include "../../soc/t210.h"
|
|
#include "../../soc/fuse.h"
|
|
#include "../../mem/mc.h"
|
|
#include "../../sec/se.h"
|
|
#include "../../soc/hw_init.h"
|
|
#include "../../mem/emc.h"
|
|
#include "../../mem/sdram.h"
|
|
#include "../../storage/emummc.h"
|
|
#include "../../config/config.h"
|
|
#include "../common/common.h"
|
|
#include "../gfx/gfxutils.h"
|
|
|
|
sdmmc_storage_t storage;
|
|
emmc_part_t *system_part;
|
|
sdmmc_t sdmmc;
|
|
extern hekate_config h_cfg;
|
|
__attribute__ ((aligned (16))) FATFS emmc;
|
|
LIST_INIT(gpt);
|
|
|
|
u8 bis_key[4][32];
|
|
pkg1_info pkg1inf = {-1, ""};
|
|
short currentlyMounted = -1;
|
|
|
|
|
|
static bool _key_exists(const void *data) { return memcmp(data, zeros, 0x10); };
|
|
|
|
static void _generate_kek(u32 ks, const void *key_source, void *master_key, const void *kek_seed, const void *key_seed) {
|
|
if (!_key_exists(key_source) || !_key_exists(master_key) || !_key_exists(kek_seed))
|
|
return;
|
|
|
|
se_aes_key_set(ks, master_key, 0x10);
|
|
se_aes_unwrap_key(ks, ks, kek_seed);
|
|
se_aes_unwrap_key(ks, ks, key_source);
|
|
if (key_seed && _key_exists(key_seed))
|
|
se_aes_unwrap_key(ks, ks, key_seed);
|
|
}
|
|
|
|
void print_biskeys(){
|
|
gfx_printf("Bis_Key_00\n");
|
|
gfx_hexdump(0, bis_key[0], 32);
|
|
gfx_printf("Bis_Key_01\n");
|
|
gfx_hexdump(0, bis_key[1], 32);
|
|
gfx_printf("Bis_Key_02 & 03\n");
|
|
gfx_hexdump(0, bis_key[2], 32);
|
|
}
|
|
|
|
pkg1_info returnpkg1info(){
|
|
return pkg1inf;
|
|
}
|
|
|
|
int connect_part(const char *partition){
|
|
sdmmc_storage_set_mmc_partition(&storage, 0);
|
|
|
|
system_part = nx_emmc_part_find(&gpt, partition);
|
|
if (!system_part) {
|
|
gfx_errDisplay("connect_mmc_part", ERR_PART_NOT_FOUND, 0);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mount_mmc(const char *partition, const int biskeynumb){
|
|
int res;
|
|
f_unmount("emmc:");
|
|
|
|
se_aes_key_set(8, bis_key[biskeynumb] + 0x00, 0x10);
|
|
se_aes_key_set(9, bis_key[biskeynumb] + 0x10, 0x10);
|
|
|
|
if (connect_part(partition))
|
|
return -1;
|
|
|
|
if ((res = f_mount(&emmc, "emmc:", 1))) {
|
|
gfx_errDisplay("mount_mmc", res, 0);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void connect_mmc(short mmctype){
|
|
if (mmctype != currentlyMounted){
|
|
disconnect_mmc();
|
|
h_cfg.emummc_force_disable = 0;
|
|
switch (mmctype){
|
|
case SYSMMC:
|
|
sdmmc_storage_init_mmc(&storage, &sdmmc, SDMMC_4, SDMMC_BUS_WIDTH_8, 4);
|
|
h_cfg.emummc_force_disable = 1;
|
|
currentlyMounted = SYSMMC;
|
|
break;
|
|
case EMUMMC:
|
|
if (emummc_storage_init_mmc(&storage, &sdmmc)){
|
|
h_cfg.emummc_force_disable = 0;
|
|
currentlyMounted = EMUMMC;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void disconnect_mmc(){
|
|
f_unmount("emmc:");
|
|
switch (currentlyMounted){
|
|
case SYSMMC:
|
|
sdmmc_storage_end(&storage);
|
|
break;
|
|
case EMUMMC:
|
|
emummc_storage_end(&storage);
|
|
break;
|
|
}
|
|
currentlyMounted = -1;
|
|
}
|
|
|
|
int dump_biskeys(){
|
|
u8 temp_key[0x10], device_key[0x10] = {0};
|
|
tsec_ctxt_t tsec_ctxt;
|
|
|
|
int retries = 0;
|
|
|
|
connect_mmc(SYSMMC);
|
|
|
|
// Read package1.
|
|
u8 *pkg1 = (u8 *)malloc(0x40000);
|
|
sdmmc_storage_set_mmc_partition(&storage, 1);
|
|
sdmmc_storage_read(&storage, 0x100000 / NX_EMMC_BLOCKSIZE, 0x40000 / NX_EMMC_BLOCKSIZE, pkg1);
|
|
const pkg1_id_t *pkg1_id = pkg1_identify(pkg1);
|
|
if (!pkg1_id) {
|
|
EPRINTF("Unknown pkg1 version.");
|
|
return -1;
|
|
}
|
|
|
|
bool found_tsec_fw = false;
|
|
for (const u32 *pos = (const u32 *)pkg1; (u8 *)pos < pkg1 + 0x40000; pos += 0x100 / sizeof(u32)) {
|
|
if (*pos == 0xCF42004D) {
|
|
tsec_ctxt.fw = (u8 *)pos;
|
|
found_tsec_fw = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!found_tsec_fw) {
|
|
EPRINTF("Failed to locate TSEC firmware.");
|
|
return -1;
|
|
}
|
|
|
|
u8 tsec_keys[0x10] = {0};
|
|
|
|
tsec_key_data_t *key_data = (tsec_key_data_t *)(tsec_ctxt.fw + TSEC_KEY_DATA_ADDR);
|
|
tsec_ctxt.pkg1 = pkg1;
|
|
tsec_ctxt.size = 0x100 + key_data->blob0_size + key_data->blob1_size + key_data->blob2_size + key_data->blob3_size + key_data->blob4_size;
|
|
if (pkg1_id->kb >= KB_FIRMWARE_VERSION_700) {
|
|
// Exit after TSEC key generation.
|
|
*((vu16 *)((u32)tsec_ctxt.fw + 0x2DB5)) = 0x02F8;
|
|
}
|
|
|
|
int res = 0;
|
|
|
|
mc_disable_ahb_redirect();
|
|
|
|
while (tsec_query(tsec_keys, 0, &tsec_ctxt) < 0) {
|
|
memset(tsec_keys, 0x00, 0x10);
|
|
retries++;
|
|
if (retries > 15) {
|
|
res = -1;
|
|
break;
|
|
}
|
|
}
|
|
free(pkg1);
|
|
|
|
mc_enable_ahb_redirect();
|
|
|
|
if (res < 0) {
|
|
gfx_printf("ERROR %x dumping TSEC.\n", res);
|
|
return -1;
|
|
}
|
|
|
|
u32 sbk[4] = {FUSE(FUSE_PRIVATE_KEY0), FUSE(FUSE_PRIVATE_KEY1),
|
|
FUSE(FUSE_PRIVATE_KEY2), FUSE(FUSE_PRIVATE_KEY3)};
|
|
se_aes_key_set(8, tsec_keys, 0x10);
|
|
se_aes_key_set(9, sbk, 0x10);
|
|
se_aes_crypt_block_ecb(8, 0, temp_key, keyblob_key_source);
|
|
se_aes_crypt_block_ecb(9, 0, temp_key, temp_key);
|
|
se_aes_key_set(7, temp_key, 0x10);
|
|
se_aes_crypt_block_ecb(7, 0, device_key, per_console_key_source);
|
|
|
|
/* key = unwrap(source, wrapped_key):
|
|
key_set(ks, wrapped_key), block_ecb(ks, 0, key, source) -> final key in key
|
|
*/
|
|
if (_key_exists(device_key)) {
|
|
se_aes_key_set(8, device_key, 0x10);
|
|
se_aes_unwrap_key(8, 8, retail_specific_aes_key_source); // kek = unwrap(rsaks, devkey)
|
|
se_aes_crypt_block_ecb(8, 0, bis_key[0] + 0x00, bis_key_source[0] + 0x00); // bkey = unwrap(bkeys, kek)
|
|
se_aes_crypt_block_ecb(8, 0, bis_key[0] + 0x10, bis_key_source[0] + 0x10);
|
|
// kek = generate_kek(bkeks, devkey, aeskek, aeskey)
|
|
_generate_kek(8, bis_kek_source, device_key, aes_kek_generation_source, aes_key_generation_source);
|
|
se_aes_crypt_block_ecb(8, 0, bis_key[1] + 0x00, bis_key_source[1] + 0x00); // bkey = unwrap(bkeys, kek)
|
|
se_aes_crypt_block_ecb(8, 0, bis_key[1] + 0x10, bis_key_source[1] + 0x10);
|
|
se_aes_crypt_block_ecb(8, 0, bis_key[2] + 0x00, bis_key_source[2] + 0x00);
|
|
se_aes_crypt_block_ecb(8, 0, bis_key[2] + 0x10, bis_key_source[2] + 0x10);
|
|
memcpy(bis_key[3], bis_key[2], 0x20);
|
|
}
|
|
|
|
sdmmc_storage_set_mmc_partition(&storage, 0);
|
|
// Parse eMMC GPT.
|
|
nx_emmc_gpt_parse(&gpt, &storage);
|
|
|
|
se_aes_key_set(8, bis_key[2] + 0x00, 0x10);
|
|
se_aes_key_set(9, bis_key[2] + 0x10, 0x10);
|
|
|
|
pkg1inf.ver = pkg1_id->kb;
|
|
strcpy(pkg1inf.id, pkg1_id->id);
|
|
return 0;
|
|
} |