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Code Issues Releases Activity

[HOS] Add CFW custom keygen for 6.2.0

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This commit is contained in:
ctcaer@gmail.com 2019-07-06 22:10:23 +03:00
parent 08b84384a6
commit f26cfac10d
3 changed files with 29 additions and 13 deletions
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36
bootloader/hos/hos.c
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@ -183,9 +183,9 @@ void _sysctr0_reset()
SYSCTR0(SYSCTR0_COUNTERID11) = 0;
}
int keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt)
int keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt, launch_ctxt_t *hos_ctxt)
{
u8 tmp[0x20];
u8 tmp[0x30];
u32 retries = 0;
if (kb > KB_FIRMWARE_VERSION_MAX)
@ -234,11 +234,31 @@ int keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt)
// Set TSEC root key.
se_aes_key_set(13, tmp + 0x10, 0x10);
// 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);
if (!(emu_cfg.enabled && !h_cfg.emummc_force_disable) && hos_ctxt->stock)
{
// 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);
}
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_unwrap_key(14, 15, console_keyseed_4xx_5xx);
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(10, 13, master_keyseed_4xx_5xx_610);
// Package2 key.
se_aes_unwrap_key(8, 12, package2_keyseed);
h_cfg.se_keygen_done = 1;
}
}
else
{
@ -447,7 +467,7 @@ int hos_launch(ini_sec_t *cfg)
return 0;
}
if (!keygen(ctxt.keyblob, ctxt.pkg1_id->kb, &tsec_ctxt))
if (!keygen(ctxt.keyblob, ctxt.pkg1_id->kb, &tsec_ctxt, &ctxt))
return 0;
DPRINTF("Generated keys\n");
if (ctxt.pkg1_id->kb <= KB_FIRMWARE_VERSION_600)

2
bootloader/hos/hos.h
View file

@ -74,6 +74,6 @@ typedef struct _merge_kip_t
} merge_kip_t;
int hos_launch(ini_sec_t *cfg);
int keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt);
int keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt, launch_ctxt_t *hos_ctxt);
#endif

4
bootloader/hos/secmon_exo.c
View file

@ -132,7 +132,6 @@ typedef struct _atm_fatal_error_ctx
// Exosphère mailbox defines.
#define EXO_CFG_ADDR 0x8000F000
#define EXO_MAGIC_VAL 0x304F5845
#define EXO_FLAG_620_KGN (1 << 0)
#define EXO_FLAG_DBG_PRIV (1 << 1)
#define EXO_FLAG_DBG_USER (1 << 2)
@ -163,9 +162,6 @@ void config_exosphere(const char *id, u32 kb, void *warmboot, bool stock)
break;
}
if (kb == KB_FIRMWARE_VERSION_620)
exoFlags |= EXO_FLAG_620_KGN;
// To avoid problems, make private debug mode always on if not semi-stock.
if (!stock || (emu_cfg.enabled && !h_cfg.emummc_force_disable))
exoFlags |= EXO_FLAG_DBG_PRIV;