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hos: Support new sept/exo keyslots

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This commit is contained in:
CTCaer
2020-06-14 13:53:21 +03:00
parent f7f99bddab
commit d607a8830b
8 changed files with 105 additions and 47 deletions
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3
bootloader/config/config.c
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@@ -47,10 +47,9 @@ void set_default_configuration()
h_cfg.errors = 0;
h_cfg.eks = NULL;
h_cfg.sept_run = EMC(EMC_SCRATCH0) & EMC_SEPT_RUN;
h_cfg.aes_slots_new = false;
h_cfg.rcm_patched = fuse_check_patched_rcm();
h_cfg.emummc_force_disable = false;
sd_power_cycle_time_start = 0;
}
int create_config_entry()

1
bootloader/config/config.h
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@@ -35,6 +35,7 @@ typedef struct _hekate_config
// Global temporary config.
bool se_keygen_done;
bool sept_run;
bool aes_slots_new;
bool emummc_force_disable;
bool rcm_patched;
u32 errors;

103
bootloader/hos/hos.c
View File

@@ -43,6 +43,7 @@
#include "../storage/nx_emmc.h"
#include "../storage/nx_sd.h"
#include "../storage/sdmmc.h"
#include "../utils/btn.h"
#include "../utils/util.h"
#include "../gfx/gfx.h"
@@ -272,8 +273,16 @@ void hos_eks_save(u32 kb)
memcpy(h_cfg.eks->dkg, keys + 10 * 0x10, 0x10);
memcpy(h_cfg.eks->dkk, keys + 15 * 0x10, 0x10);
memcpy(h_cfg.eks->keys[key_idx].mkk, keys + 12 * 0x10, 0x10);
memcpy(h_cfg.eks->keys[key_idx].fdk, keys + 13 * 0x10, 0x10);
if (!h_cfg.aes_slots_new)
{
memcpy(h_cfg.eks->keys[key_idx].mkk, keys + 12 * 0x10, 0x10);
memcpy(h_cfg.eks->keys[key_idx].fdk, keys + 13 * 0x10, 0x10);
}
else // New sept slots.
{
memcpy(h_cfg.eks->keys[key_idx].mkk, keys + 13 * 0x10, 0x10);
memcpy(h_cfg.eks->keys[key_idx].fdk, keys + 12 * 0x10, 0x10);
}
// Encrypt EKS blob.
u8 *eks = calloc(512 , 1);
@@ -386,17 +395,29 @@ int hos_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt, launch_ctxt_t *hos_c
se_aes_key_set(10, h_cfg.eks->dkg, 0x10);
// Set Device key to slot 15.
se_aes_key_set(15, h_cfg.eks->dkk, 0x10);
// Set Master key to slot 12.
se_aes_key_set(12, h_cfg.eks->keys[key_idx].mkk, 0x10);
// Set FW Device key key to slot 13.
se_aes_key_set(13, h_cfg.eks->keys[key_idx].fdk, 0x10);
// Lock FDK.
se_key_acc_ctrl(13, SE_KEY_TBL_DIS_KEYREAD_FLAG | SE_KEY_TBL_DIS_OIVREAD_FLAG | SE_KEY_TBL_DIS_UIVREAD_FLAG);
if (!h_cfg.aes_slots_new)
{
// Set Master key to slot 12.
se_aes_key_set(12, h_cfg.eks->keys[key_idx].mkk, 0x10);
// Set FW Device key key to slot 13.
se_aes_key_set(13, h_cfg.eks->keys[key_idx].fdk, 0x10);
// Lock FDK.
se_key_acc_ctrl(13, SE_KEY_TBL_DIS_KEYREAD_FLAG | SE_KEY_TBL_DIS_OIVREAD_FLAG | SE_KEY_TBL_DIS_UIVREAD_FLAG);
}
else // New exosphere.
{
// Set Master key to slot 13.
se_aes_key_set(13, h_cfg.eks->keys[key_idx].mkk, 0x10);
// Set FW Device key key to slot 12.
se_aes_key_set(12, h_cfg.eks->keys[key_idx].fdk, 0x10);
// Lock FDK.
se_key_acc_ctrl(12, SE_KEY_TBL_DIS_KEYREAD_FLAG | SE_KEY_TBL_DIS_OIVREAD_FLAG | SE_KEY_TBL_DIS_UIVREAD_FLAG);
}
}
se_aes_key_clear(8);
se_aes_unwrap_key(8, 12, package2_keyseed);
se_aes_unwrap_key(8, !h_cfg.aes_slots_new ? 12 : 13, package2_keyseed);
}
else if (kb == KB_FIRMWARE_VERSION_620)
{
@@ -422,11 +443,20 @@ int hos_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt, launch_ctxt_t *hos_c
se_aes_unwrap_key(15, 15, console_keyseed);
se_aes_unwrap_key(13, 13, master_keyseed_620);
se_aes_unwrap_key(12, 13, master_keyseed_retail);
se_aes_unwrap_key(14, 13, master_keyseed_4xx_5xx_610);
if (!h_cfg.aes_slots_new)
{
se_aes_unwrap_key(14, 13, master_keyseed_4xx_5xx_610);
se_aes_unwrap_key(12, 13, master_keyseed_retail);
}
else // New exosphere.
{
se_aes_unwrap_key(12, 13, master_keyseed_4xx_5xx_610);
se_aes_unwrap_key(13, 13, master_keyseed_retail);
}
// Package2 key.
se_aes_unwrap_key(8, 12, package2_keyseed);
se_aes_unwrap_key(8, !h_cfg.aes_slots_new ? 12 : 13, package2_keyseed);
h_cfg.se_keygen_done = 1;
}
@@ -465,32 +495,42 @@ int hos_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt, launch_ctxt_t *hos_c
se_aes_crypt_block_ecb(12, 0, tmp, master_keyseed_retail);
switch (kb)
if (!h_cfg.aes_slots_new)
{
switch (kb)
{
case KB_FIRMWARE_VERSION_100_200:
case KB_FIRMWARE_VERSION_300:
case KB_FIRMWARE_VERSION_301:
se_aes_unwrap_key(13, 15, console_keyseed);
se_aes_unwrap_key(12, 12, master_keyseed_retail);
break;
case KB_FIRMWARE_VERSION_400:
se_aes_unwrap_key(13, 15, console_keyseed_4xx_5xx);
se_aes_unwrap_key(15, 15, console_keyseed);
se_aes_unwrap_key(14, 12, master_keyseed_4xx_5xx_610);
se_aes_unwrap_key(12, 12, master_keyseed_retail);
break;
case KB_FIRMWARE_VERSION_500:
case KB_FIRMWARE_VERSION_600:
se_aes_unwrap_key(10, 15, console_keyseed_4xx_5xx);
se_aes_unwrap_key(15, 15, console_keyseed);
se_aes_unwrap_key(14, 12, master_keyseed_4xx_5xx_610);
se_aes_unwrap_key(12, 12, master_keyseed_retail);
break;
}
}
else // New exosphere.
{
case KB_FIRMWARE_VERSION_100_200:
case KB_FIRMWARE_VERSION_300:
case KB_FIRMWARE_VERSION_301:
se_aes_unwrap_key(13, 15, console_keyseed);
se_aes_unwrap_key(12, 12, master_keyseed_retail);
break;
case KB_FIRMWARE_VERSION_400:
se_aes_unwrap_key(13, 15, console_keyseed_4xx_5xx);
se_aes_unwrap_key(15, 15, console_keyseed);
se_aes_unwrap_key(14, 12, master_keyseed_4xx_5xx_610);
se_aes_unwrap_key(12, 12, master_keyseed_retail);
break;
case KB_FIRMWARE_VERSION_500:
case KB_FIRMWARE_VERSION_600:
se_aes_unwrap_key(10, 15, console_keyseed_4xx_5xx);
se_aes_unwrap_key(15, 15, console_keyseed);
se_aes_unwrap_key(14, 12, master_keyseed_4xx_5xx_610);
se_aes_unwrap_key(12, 12, master_keyseed_retail);
break;
se_aes_unwrap_key(13, 12, master_keyseed_retail);
se_aes_unwrap_key(12, 12, master_keyseed_4xx_5xx_610);
}
// Package2 key.
se_key_acc_ctrl(8, SE_KEY_TBL_DIS_KEYREAD_FLAG | SE_KEY_TBL_DIS_OIVREAD_FLAG | SE_KEY_TBL_DIS_UIVREAD_FLAG);
se_aes_unwrap_key(8, 12, package2_keyseed);
se_aes_unwrap_key(8, !h_cfg.aes_slots_new ? 12 : 13, package2_keyseed);
}
return 1;
@@ -989,5 +1029,6 @@ int hos_launch(ini_sec_t *cfg)
error:
sdmmc_storage_end(&emmc_storage);
h_cfg.aes_slots_new = false;
return 0;
}

4
bootloader/hos/pkg2.c
View File

@@ -1296,7 +1296,7 @@ pkg2_hdr_t *pkg2_decrypt(void *data, u8 kb)
if ((kb >= KB_FIRMWARE_VERSION_810) && (kb < KB_FIRMWARE_VERSION_MAX))
{
u8 tmp_mkey[0x10];
u8 decr_slot = 12; // Sept mkey.
u8 decr_slot = !h_cfg.aes_slots_new ? 12 : 13; // Sept mkey.
u8 mkey_seeds_cnt = sizeof(mkey_vector_8xx) / 0x10;
u8 mkey_seeds_idx = mkey_seeds_cnt; // Real index + 1.
u8 mkey_seeds_min_idx = mkey_seeds_cnt - (KB_FIRMWARE_VERSION_MAX - kb);
@@ -1327,7 +1327,7 @@ pkg2_hdr_t *pkg2_decrypt(void *data, u8 kb)
{
mkey_seeds_cnt--;
mkey_seeds_idx = mkey_seeds_cnt;
decr_slot = 12; // Sept mkey.
decr_slot = !h_cfg.aes_slots_new ? 12 : 13; // Sept mkey.
}
// Out of keys. pkg2 is latest or process failed.