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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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31
nyx/nyx_gui/hos/hos.c
View File

@@ -181,8 +181,16 @@ 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);
@@ -242,7 +250,7 @@ out:
int hos_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt)
{
u8 tmp[0x20];
u8 tmp[0x30];
u32 retries = 0;
if (kb > KB_FIRMWARE_VERSION_MAX)
@@ -300,9 +308,11 @@ int hos_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt)
// Set Device key to slot 15.
se_aes_key_set(15, h_cfg.eks->dkk, 0x10);
}
else
h_cfg.aes_slots_new = se_key_acc_ctrl_get(12) == 0x6A;
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)
{
@@ -311,11 +321,16 @@ int hos_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt)
// Set TSEC root key.
se_aes_key_set(13, tmp + 0x10, 0x10);
// Decrypt keyblob and set keyslots
se_aes_crypt_block_ecb(12, 0, tmp + 0x20, keyblob_keyseeds[0]);
se_aes_unwrap_key(15, 14, tmp + 0x20);
se_aes_unwrap_key(10, 15, console_keyseed_4xx_5xx);
se_aes_unwrap_key(15, 15, console_keyseed);
// Package2 key.
se_aes_key_set(8, tmp + 0x10, 0x10);
se_aes_unwrap_key(8, 8, master_keyseed_620);
se_aes_unwrap_key(8, 8, master_keyseed_retail);
se_aes_unwrap_key(8, 8, package2_keyseed);
se_aes_unwrap_key(8, 13, master_keyseed_620);
se_aes_unwrap_key(9, 8, master_keyseed_retail);
se_aes_unwrap_key(8, 9, package2_keyseed);
}
else
{

6
nyx/nyx_gui/hos/pkg2.c
View File

@@ -20,6 +20,7 @@
#include "pkg2.h"
#include "hos.h"
#include "../config/config.h"
#include "../libs/fatfs/ff.h"
#include "../utils/aarch64_util.h"
#include "../mem/heap.h"
@@ -28,6 +29,7 @@
#include "../gfx/gfx.h"
extern hekate_config h_cfg;
extern const u8 package2_keyseed[];
u32 pkg2_newkern_ini1_val;
@@ -158,7 +160,7 @@ 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);
@@ -189,7 +191,7 @@ 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.