Yuuki/Lockpick_RCM
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Add support for 8.1.0, new Sept, and master_key_08

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This commit is contained in:
shchmue 2019-06-19 18:16:02 -04:00
parent 0b2442fb8e
commit 54d14196e0
6 changed files with 26 additions and 20 deletions
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22
source/keys/keys.c
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@ -135,6 +135,10 @@ void dump_keys() {
goto out_wait;
}
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;
u32 MAX_KEY = 6;
if (pkg1_id->kb >= KB_FIRMWARE_VERSION_620)
MAX_KEY = pkg1_id->kb + 1;
@ -149,8 +153,8 @@ void dump_keys() {
// bundle lp0 fw for sept instead of loading it from SD as hekate does
sdram_lp0_save_params(sdram_get_params_patched());
FIL fp;
if (f_stat("sd:/sept/sept-primary.bin", NULL) || f_stat("sd:/sept/sept-secondary.enc", NULL)) {
EPRINTF("On firmware 7.x or higher but no sept payload present\nSkipping new key derivation...");
if (f_stat("sd:/sept", NULL)) {
EPRINTF("On firmware 7.x+ but Sept missing.\nSkipping new key derivation...");
goto get_tsec;
}
// backup post-reboot payload
@ -164,7 +168,7 @@ void dump_keys() {
gfx_printf("%kFirmware 7.x or higher detected.\n%kRenamed /sept/payload.bin", colors[0], colors[1]);
gfx_printf("\n%k to /sept/payload.bak\n%kCopied self to /sept/payload.bin",colors[2], colors[3]);
sdmmc_storage_end(&storage);
if (!reboot_to_sept((u8 *)tsec_ctxt.fw))
if (!reboot_to_sept((u8 *)tsec_ctxt.fw, tsec_ctxt.size, pkg1_id->kb))
goto out_wait;
} else {
se_aes_key_read(12, master_key[pkg1_id->kb], 0x10);
@ -174,14 +178,6 @@ void dump_keys() {
get_tsec: ;
u8 tsec_keys[0x10 * 2] = {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;
}
if (pkg1_id->kb == KB_FIRMWARE_VERSION_620) {
u8 *tsec_paged = (u8 *)page_alloc(3);
memcpy(tsec_paged, (void *)tsec_ctxt.fw, tsec_ctxt.size);
@ -404,6 +400,7 @@ get_tsec: ;
alignment = 8;
break;
case KB_FIRMWARE_VERSION_700:
case KB_FIRMWARE_VERSION_810:
start_offset = 0x29c50;
hks_offset_from_end -= 0x6a73;
alignment = 8;
@ -553,6 +550,7 @@ pkg2_done:
start_offset = 0x5674;
break;
case KB_FIRMWARE_VERSION_700:
case KB_FIRMWARE_VERSION_810:
start_offset = 0x5563;
break;
}
@ -603,6 +601,7 @@ pkg2_done:
start_offset = 0x1d5be;
break;
case KB_FIRMWARE_VERSION_700:
case KB_FIRMWARE_VERSION_810:
start_offset = 0x1d437;
break;
}
@ -716,6 +715,7 @@ key_output: ;
SAVE_KEY_FAMILY("master_kek", master_kek, MAX_KEY, 0x10);
SAVE_KEY("master_kek_source_06", master_kek_sources[0], 0x10);
SAVE_KEY("master_kek_source_07", master_kek_sources[1], 0x10);
SAVE_KEY("master_kek_source_08", master_kek_sources[2], 0x10);
SAVE_KEY_FAMILY("master_key", master_key, MAX_KEY, 0x10);
SAVE_KEY("master_key_source", master_key_source, 0x10);
SAVE_KEY_FAMILY("package1_key", package1_key, 6, 0x10);