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fusee/sept: changes for exo2 (note: not final)

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Michael Scire
2020-05-17 23:17:47 -07:00
committed by SciresM
parent 91e0bbd9d7
commit 1fb9407d5d
6 changed files with 12 additions and 50 deletions
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12
fusee/fusee-secondary/src/key_derivation.c
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@@ -227,9 +227,9 @@ int derive_nx_keydata(uint32_t target_firmware, const nx_keyblob_t *keyblobs, ui
case ATMOSPHERE_TARGET_FIRMWARE_8_1_0:
case ATMOSPHERE_TARGET_FIRMWARE_9_0_0:
decrypt_data_into_keyslot(0xA, 0xF, devicekey_4x_seed, 0x10);
decrypt_data_into_keyslot(0xF, 0xF, devicekey_seed, 0x10);
decrypt_data_into_keyslot(0xE, 0xC, masterkey_4x_seed, 0x10);
decrypt_data_into_keyslot(0xC, 0xC, masterkey_seed, 0x10);
decrypt_data_into_keyslot(0xF, 0xF, devicekey_seed, 0x10);
decrypt_data_into_keyslot(0xD, 0xC, masterkey_seed, 0x10);
decrypt_data_into_keyslot(0xC, 0xC, masterkey_4x_seed, 0x10);
break;
default:
return -1;
@@ -239,12 +239,6 @@ int derive_nx_keydata(uint32_t target_firmware, const nx_keyblob_t *keyblobs, ui
return mkey_detect_revision(fuse_get_retail_type() != 0);
}
/* Sets final keyslot flags, for handover to TZ/Exosphere. Setting these will prevent the BPMP from using the device key or master key. */
void finalize_nx_keydata(uint32_t target_firmware) {
set_aes_keyslot_flags(0xC, 0xFF);
set_aes_keyslot_flags((target_firmware >= ATMOSPHERE_TARGET_FIRMWARE_4_0_0) ? (KEYSLOT_SWITCH_4XOLDDEVICEKEY) : (KEYSLOT_SWITCH_DEVICEKEY), 0xFF);
}
static void generate_specific_aes_key(void *dst, const void *wrapped_key, bool should_mask, uint32_t target_firmware, uint32_t generation) {
unsigned int keyslot = (target_firmware >= ATMOSPHERE_TARGET_FIRMWARE_4_0_0) ? (devkey_get_keyslot(generation)) : (KEYSLOT_SWITCH_DEVICEKEY);