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hos: Use structs for eks keyblobs and tsec keys

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CTCaer 2021-02-06 03:00:48 +02:00
parent a7bf8bf118
commit 2428736bfa
6 changed files with 123 additions and 69 deletions
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2
bdk/sec/tsec.c
View file

@ -62,7 +62,7 @@ static int _tsec_dma_pa_to_internal_100(int not_imem, int i_offset, int pa_offse
return _tsec_dma_wait_idle();
}
int tsec_query(u8 *tsec_keys, u8 kb, tsec_ctxt_t *tsec_ctxt)
int tsec_query(void *tsec_keys, u8 kb, tsec_ctxt_t *tsec_ctxt)
{
int res = 0;
u8 *fwbuf = NULL;

2
bdk/sec/tsec.h
View file

@ -29,6 +29,6 @@ typedef struct _tsec_ctxt_t
u32 secmon_base;
} tsec_ctxt_t;
int tsec_query(u8 *tsec_keys, u8 kb, tsec_ctxt_t *tsec_ctxt);
int tsec_query(void *tsec_keys, u8 kb, tsec_ctxt_t *tsec_ctxt);
#endif

76
bootloader/hos/hos.c
View file

@ -75,6 +75,28 @@ typedef struct _secmon_mailbox_t
u32 out;
} secmon_mailbox_t;
typedef struct _tsec_keys_t
{
u8 tsec[SE_KEY_128_SIZE];
u8 tsec_root[SE_KEY_128_SIZE];
u8 tmp[SE_KEY_128_SIZE];
} tsec_keys_t;
typedef struct _kb_keys_t
{
u8 master_keyseed[SE_KEY_128_SIZE];
u8 random_data[0x70];
u8 package1_key[SE_KEY_128_SIZE];
} kb_keys_t;
typedef struct _kb_t
{
u8 cmac[SE_KEY_128_SIZE];
u8 ctr[SE_AES_IV_SIZE];
kb_keys_t keys;
u8 padding[0x150];
} kb_t;
static const u8 keyblob_keyseeds[][SE_KEY_128_SIZE] = {
{ 0xDF, 0x20, 0x6F, 0x59, 0x44, 0x54, 0xEF, 0xDC, 0x70, 0x74, 0x48, 0x3B, 0x0D, 0xED, 0x9F, 0xD3 }, // 1.0.0.
{ 0x0C, 0x25, 0x61, 0x5D, 0x68, 0x4C, 0xEB, 0x42, 0x1C, 0x23, 0x79, 0xEA, 0x82, 0x25, 0x12, 0xAC }, // 3.0.0.
@ -356,10 +378,11 @@ int hos_keygen_t210b01(u32 kb)
return 1;
}
int hos_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt, launch_ctxt_t *hos_ctxt)
int hos_keygen(void *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt, launch_ctxt_t *hos_ctxt)
{
u8 tmp[0x30];
u32 retries = 0;
tsec_keys_t tsec_keys;
kb_t *kb_data = (kb_t *)keyblob;
if (kb > KB_FIRMWARE_VERSION_MAX)
return 0;
@ -387,9 +410,9 @@ int hos_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt, launch_ctxt_t *hos_c
// Get TSEC key.
if (kb <= KB_FIRMWARE_VERSION_620)
{
while (tsec_query(tmp, kb, tsec_ctxt) < 0)
while (tsec_query(&tsec_keys, kb, tsec_ctxt) < 0)
{
memset(tmp, 0x00, 0x20);
memset(&tsec_keys, 0x00, 0x20);
retries++;
// We rely on racing conditions, make sure we cover even the unluckiest cases.
@ -441,14 +464,14 @@ int hos_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt, launch_ctxt_t *hos_c
else if (kb == KB_FIRMWARE_VERSION_620)
{
// Set TSEC key.
se_aes_key_set(12, tmp, SE_KEY_128_SIZE);
se_aes_key_set(12, tsec_keys.tsec, SE_KEY_128_SIZE);
// Set TSEC root key.
se_aes_key_set(13, tmp + SE_KEY_128_SIZE, SE_KEY_128_SIZE);
se_aes_key_set(13, tsec_keys.tsec_root, SE_KEY_128_SIZE);
if (!(emu_cfg.enabled && !h_cfg.emummc_force_disable) && hos_ctxt->stock)
{
// Package2 key.
se_aes_key_set(8, tmp + SE_KEY_128_SIZE, SE_KEY_128_SIZE);
se_aes_key_set(8, tsec_keys.tsec_root, SE_KEY_128_SIZE);
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);
@ -456,8 +479,8 @@ int hos_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt, launch_ctxt_t *hos_c
else
{
// 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_crypt_block_ecb(12, 0, tsec_keys.tmp, keyblob_keyseeds[0]);
se_aes_unwrap_key(15, 14, tsec_keys.tmp);
se_aes_unwrap_key(10, 15, console_keyseed_4xx_5xx);
se_aes_unwrap_key(15, 15, console_keyseed);
@ -486,33 +509,36 @@ int hos_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt, launch_ctxt_t *hos_c
se_key_acc_ctrl(14, SE_KEY_TBL_DIS_KEYREAD_FLAG | SE_KEY_TBL_DIS_OIVREAD_FLAG | SE_KEY_TBL_DIS_UIVREAD_FLAG);
// Set TSEC key.
se_aes_key_set(13, tmp, SE_KEY_128_SIZE);
se_aes_key_set(13, tsec_keys.tsec, SE_KEY_128_SIZE);
// Derive keyblob keys from TSEC+SBK.
se_aes_crypt_block_ecb(13, 0, tmp, keyblob_keyseeds[0]);
se_aes_unwrap_key(15, 14, tmp);
se_aes_crypt_block_ecb(13, 0, tmp, keyblob_keyseeds[kb]);
se_aes_unwrap_key(13, 14, tmp);
se_aes_crypt_block_ecb(13, 0, tsec_keys.tsec, keyblob_keyseeds[0]);
se_aes_unwrap_key(15, 14, tsec_keys.tsec);
se_aes_crypt_block_ecb(13, 0, tsec_keys.tsec, keyblob_keyseeds[kb]);
se_aes_unwrap_key(13, 14, tsec_keys.tsec);
// Clear SBK.
se_aes_key_clear(14);
//TODO: verify keyblob CMAC.
//se_aes_unwrap_key(11, 13, cmac_keyseed);
//se_aes_cmac(tmp, 0x10, 11, keyblob + 0x10, 0xA0);
//if (!memcmp(keyblob, tmp, 0x10))
// return 0;
/*
// Verify keyblob CMAC.
u8 cmac[SE_KEY_128_SIZE];
se_aes_unwrap_key(11, 13, cmac_keyseed);
se_aes_cmac(cmac, SE_KEY_128_SIZE, 11, (void *)kb_data->ctr, sizeof(kb_data->ctr) + sizeof(kb_data->keys));
if (!memcmp(kb_data->cmac, cmac, SE_KEY_128_SIZE))
return 0;
*/
se_aes_crypt_block_ecb(13, 0, tmp, cmac_keyseed);
se_aes_crypt_block_ecb(13, 0, tsec_keys.tsec, cmac_keyseed);
se_aes_unwrap_key(11, 13, cmac_keyseed);
// Decrypt keyblob and set keyslots.
se_aes_crypt_ctr(13, keyblob + 0x20, 0x90, keyblob + 0x20, 0x90, keyblob + 0x10);
se_aes_key_set(11, keyblob + 0x20 + 0x80, SE_KEY_128_SIZE); // Package1 key.
se_aes_key_set(12, keyblob + 0x20, SE_KEY_128_SIZE);
se_aes_key_set(13, keyblob + 0x20, SE_KEY_128_SIZE);
se_aes_crypt_ctr(13, &kb_data->keys, sizeof(kb_data->keys), &kb_data->keys, sizeof(kb_data->keys), kb_data->ctr);
se_aes_key_set(11, kb_data->keys.package1_key, SE_KEY_128_SIZE);
se_aes_key_set(12, kb_data->keys.master_keyseed, SE_KEY_128_SIZE);
se_aes_key_set(13, kb_data->keys.master_keyseed, SE_KEY_128_SIZE);
se_aes_crypt_block_ecb(12, 0, tmp, master_keyseed_retail);
se_aes_crypt_block_ecb(12, 0, tsec_keys.tsec, master_keyseed_retail);
if (!h_cfg.aes_slots_new)
{

17
bootloader/hos/hos.h
View file

@ -1,6 +1,6 @@
/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018-2020 CTCaer
* Copyright (c) 2018-2021 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@ -20,6 +20,7 @@
#include "pkg1.h"
#include "pkg2.h"
#include <sec/se_t210.h>
#include <utils/types.h>
#include <utils/ini.h>
#include <sec/tsec.h>
@ -56,14 +57,14 @@ typedef struct _exo_ctxt_t
typedef struct _hos_eks_keys_t
{
u8 mkk[0x10];
u8 fdk[0x10];
u8 mkk[SE_KEY_128_SIZE];
u8 fdk[SE_KEY_128_SIZE];
} hos_eks_keys_t;
typedef struct _hos_eks_bis_keys_t
{
u8 crypt[0x10];
u8 tweak[0x10];
u8 crypt[SE_KEY_128_SIZE];
u8 tweak[SE_KEY_128_SIZE];
} hos_eks_bis_keys_t;
typedef struct _hos_eks_mbr_t
@ -73,8 +74,8 @@ typedef struct _hos_eks_mbr_t
u8 enabled_bis;
u8 rsvd[2];
u32 lot0;
u8 dkg[0x10];
u8 dkk[0x10];
u8 dkg[SE_KEY_128_SIZE];
u8 dkk[SE_KEY_128_SIZE];
hos_eks_keys_t keys[5];
hos_eks_bis_keys_t bis_keys[3];
} hos_eks_mbr_t;
@ -129,6 +130,6 @@ void hos_eks_get();
void hos_eks_save(u32 kb);
void hos_eks_clear(u32 kb);
int hos_launch(ini_sec_t *cfg);
int hos_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt, launch_ctxt_t *hos_ctxt);
int hos_keygen(void *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt, launch_ctxt_t *hos_ctxt);
#endif

76
nyx/nyx_gui/hos/hos.c
View file

@ -45,6 +45,28 @@ extern hekate_config h_cfg;
static u8 *bis_keys = NULL;
typedef struct _tsec_keys_t
{
u8 tsec[SE_KEY_128_SIZE];
u8 tsec_root[SE_KEY_128_SIZE];
u8 tmp[SE_KEY_128_SIZE];
} tsec_keys_t;
typedef struct _kb_keys_t
{
u8 master_keyseed[SE_KEY_128_SIZE];
u8 random_data[0x70];
u8 package1_key[SE_KEY_128_SIZE];
} kb_keys_t;
typedef struct _kb_t
{
u8 cmac[SE_KEY_128_SIZE];
u8 ctr[SE_AES_IV_SIZE];
kb_keys_t keys;
u8 padding[0x150];
} kb_t;
static const u8 keyblob_keyseeds[][SE_KEY_128_SIZE] = {
{ 0xDF, 0x20, 0x6F, 0x59, 0x44, 0x54, 0xEF, 0xDC, 0x70, 0x74, 0x48, 0x3B, 0x0D, 0xED, 0x9F, 0xD3 }, // 1.0.0.
{ 0x0C, 0x25, 0x61, 0x5D, 0x68, 0x4C, 0xEB, 0x42, 0x1C, 0x23, 0x79, 0xEA, 0x82, 0x25, 0x12, 0xAC }, // 3.0.0.
@ -417,10 +439,11 @@ int hos_keygen_t210b01(u32 kb)
return 1;
}
int hos_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt)
int hos_keygen(void *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt)
{
u8 tmp[0x30];
u32 retries = 0;
tsec_keys_t tsec_keys;
kb_t *kb_data = (kb_t *)keyblob;
if (kb > KB_FIRMWARE_VERSION_MAX)
return 0;
@ -448,9 +471,9 @@ int hos_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt)
// Get TSEC key.
if (kb <= KB_FIRMWARE_VERSION_620)
{
while (tsec_query(tmp, kb, tsec_ctxt) < 0)
while (tsec_query(&tsec_keys, kb, tsec_ctxt) < 0)
{
memset(tmp, 0x00, 0x20);
memset(&tsec_keys, 0x00, 0x20);
retries++;
// We rely on racing conditions, make sure we cover even the unluckiest cases.
@ -489,13 +512,13 @@ int hos_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt)
else if (kb == KB_FIRMWARE_VERSION_620)
{
// Set TSEC key.
se_aes_key_set(12, tmp, SE_KEY_128_SIZE);
se_aes_key_set(12, tsec_keys.tsec, SE_KEY_128_SIZE);
// Set TSEC root key.
se_aes_key_set(13, tmp + SE_KEY_128_SIZE, SE_KEY_128_SIZE);
se_aes_key_set(13, tsec_keys.tsec_root, SE_KEY_128_SIZE);
// 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_crypt_block_ecb(12, 0, tsec_keys.tmp, keyblob_keyseeds[0]);
se_aes_unwrap_key(15, 14, tsec_keys.tmp);
se_aes_unwrap_key(10, 15, console_keyseed_4xx_5xx);
se_aes_unwrap_key(15, 15, console_keyseed);
@ -507,33 +530,36 @@ int hos_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt)
else
{
// Set TSEC key.
se_aes_key_set(13, tmp, SE_KEY_128_SIZE);
se_aes_key_set(13, tsec_keys.tsec, SE_KEY_128_SIZE);
// Derive keyblob keys from TSEC+SBK.
se_aes_crypt_block_ecb(13, 0, tmp, keyblob_keyseeds[0]);
se_aes_unwrap_key(15, 14, tmp);
se_aes_crypt_block_ecb(13, 0, tmp, keyblob_keyseeds[kb]);
se_aes_unwrap_key(13, 14, tmp);
se_aes_crypt_block_ecb(13, 0, tsec_keys.tsec, keyblob_keyseeds[0]);
se_aes_unwrap_key(15, 14, tsec_keys.tsec);
se_aes_crypt_block_ecb(13, 0, tsec_keys.tsec, keyblob_keyseeds[kb]);
se_aes_unwrap_key(13, 14, tsec_keys.tsec);
// Clear SBK.
se_aes_key_clear(14);
//TODO: verify keyblob CMAC.
//se_aes_unwrap_key(11, 13, cmac_keyseed);
//se_aes_cmac(tmp, 0x10, 11, keyblob + 0x10, 0xA0);
//if (!memcmp(keyblob, tmp, 0x10))
// return 0;
/*
// Verify keyblob CMAC.
u8 cmac[SE_KEY_128_SIZE];
se_aes_unwrap_key(11, 13, cmac_keyseed);
se_aes_cmac(cmac, SE_KEY_128_SIZE, 11, (void *)kb_data->ctr, sizeof(kb_data->ctr) + sizeof(kb_data->keys));
if (!memcmp(kb_data->cmac, cmac, SE_KEY_128_SIZE))
return 0;
*/
se_aes_crypt_block_ecb(13, 0, tmp, cmac_keyseed);
se_aes_crypt_block_ecb(13, 0, tsec_keys.tsec, cmac_keyseed);
se_aes_unwrap_key(11, 13, cmac_keyseed);
// Decrypt keyblob and set keyslots.
se_aes_crypt_ctr(13, keyblob + 0x20, 0x90, keyblob + 0x20, 0x90, keyblob + 0x10);
se_aes_key_set(11, keyblob + 0x20 + 0x80, SE_KEY_128_SIZE); // Package1 key.
se_aes_key_set(12, keyblob + 0x20, SE_KEY_128_SIZE);
se_aes_key_set(13, keyblob + 0x20, SE_KEY_128_SIZE);
se_aes_crypt_ctr(13, &kb_data->keys, sizeof(kb_data->keys), &kb_data->keys, sizeof(kb_data->keys), kb_data->ctr);
se_aes_key_set(11, kb_data->keys.package1_key, SE_KEY_128_SIZE);
se_aes_key_set(12, kb_data->keys.master_keyseed, SE_KEY_128_SIZE);
se_aes_key_set(13, kb_data->keys.master_keyseed, SE_KEY_128_SIZE);
se_aes_crypt_block_ecb(12, 0, tmp, master_keyseed_retail);
se_aes_crypt_block_ecb(12, 0, tsec_keys.tsec, master_keyseed_retail);
switch (kb)
{
@ -606,7 +632,7 @@ static void _hos_bis_print_key(u32 idx, u8 *key)
gfx_puts("\n");
}
int hos_bis_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt)
int hos_bis_keygen(void *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt)
{
u32 keygen_rev = 0;
u32 console_key_slot = kb >= KB_FIRMWARE_VERSION_400 ? 15 : 13;

19
nyx/nyx_gui/hos/hos.h
View file

@ -1,6 +1,6 @@
/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018-2020 CTCaer
* Copyright (c) 2018-2021 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@ -20,6 +20,7 @@
#include "pkg1.h"
#include "pkg2.h"
#include <sec/se_t210.h>
#include <utils/types.h>
#include <utils/ini.h>
#include <sec/tsec.h>
@ -44,14 +45,14 @@
typedef struct _hos_eks_keys_t
{
u8 mkk[0x10];
u8 fdk[0x10];
u8 mkk[SE_KEY_128_SIZE];
u8 fdk[SE_KEY_128_SIZE];
} hos_eks_keys_t;
typedef struct _hos_eks_bis_keys_t
{
u8 crypt[0x10];
u8 tweak[0x10];
u8 crypt[SE_KEY_128_SIZE];
u8 tweak[SE_KEY_128_SIZE];
} hos_eks_bis_keys_t;
typedef struct _hos_eks_mbr_t
@ -61,8 +62,8 @@ typedef struct _hos_eks_mbr_t
u8 enabled_bis;
u8 rsvd[2];
u32 lot0;
u8 dkg[0x10];
u8 dkk[0x10];
u8 dkg[SE_KEY_128_SIZE];
u8 dkk[SE_KEY_128_SIZE];
hos_eks_keys_t keys[5];
hos_eks_bis_keys_t bis_keys[3];
} hos_eks_mbr_t;
@ -98,8 +99,8 @@ void hos_eks_save(u32 kb);
void hos_eks_clear(u32 kb);
void hos_eks_bis_save();
void hos_eks_bis_clear();
int hos_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt);
int hos_bis_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt);
int hos_keygen(void *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt);
int hos_bis_keygen(void *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt);
void hos_bis_keys_clear();
#endif