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hos: Do not clear SBK in Nyx for HOS 4.0.0 to 6.0.0

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This commit is contained in:
CTCaer 2021-02-06 03:21:14 +02:00
parent 48e98ab8c9
commit 0857d7ff0e
1 changed files with 6 additions and 3 deletions
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9
nyx/nyx_gui/hos/hos.c
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@ -541,7 +541,8 @@ int hos_keygen(void *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt)
se_aes_unwrap_key(13, 14, tsec_keys.tsec);
// Clear SBK.
se_aes_key_clear(14);
if (!h_cfg.sbk_set)
se_aes_key_clear(14);
/*
// Verify keyblob CMAC.
@ -574,14 +575,16 @@ int hos_keygen(void *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt)
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);
if (!h_cfg.sbk_set) // Do not clear SBK if patched. In this context the below key is useless.
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);
if (!h_cfg.sbk_set) // Do not clear SBK if patched. In this context the below key is useless.
se_aes_unwrap_key(14, 12, master_keyseed_4xx_5xx_610);
se_aes_unwrap_key(12, 12, master_keyseed_retail);
break;
}