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hos: Do not clear SBK in Nyx for HOS 4.0.0 to 6.0.0
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commit
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1 changed files with 6 additions and 3 deletions
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@ -541,7 +541,8 @@ int hos_keygen(void *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt)
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se_aes_unwrap_key(13, 14, tsec_keys.tsec);
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// Clear SBK.
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se_aes_key_clear(14);
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if (!h_cfg.sbk_set)
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se_aes_key_clear(14);
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/*
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// Verify keyblob CMAC.
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@ -574,14 +575,16 @@ int hos_keygen(void *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt)
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case KB_FIRMWARE_VERSION_400:
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se_aes_unwrap_key(13, 15, console_keyseed_4xx_5xx);
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se_aes_unwrap_key(15, 15, console_keyseed);
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se_aes_unwrap_key(14, 12, master_keyseed_4xx_5xx_610);
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if (!h_cfg.sbk_set) // Do not clear SBK if patched. In this context the below key is useless.
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se_aes_unwrap_key(14, 12, master_keyseed_4xx_5xx_610);
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se_aes_unwrap_key(12, 12, master_keyseed_retail);
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break;
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case KB_FIRMWARE_VERSION_500:
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case KB_FIRMWARE_VERSION_600:
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se_aes_unwrap_key(10, 15, console_keyseed_4xx_5xx);
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se_aes_unwrap_key(15, 15, console_keyseed);
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se_aes_unwrap_key(14, 12, master_keyseed_4xx_5xx_610);
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if (!h_cfg.sbk_set) // Do not clear SBK if patched. In this context the below key is useless.
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se_aes_unwrap_key(14, 12, master_keyseed_4xx_5xx_610);
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se_aes_unwrap_key(12, 12, master_keyseed_retail);
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break;
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}
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