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https://github.com/Atmosphere-NX/Atmosphere
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40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
#ifndef FUSEE_KEYDERIVATION_H
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#define FUSEE_KEYDERIVATION_H
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#include <stddef.h>
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#include <stdbool.h>
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#include <stdint.h>
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/* TODO: Update to 0x6 on release of new master key. */
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#define MASTERKEY_REVISION_MAX 0x5
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#define MASTERKEY_REVISION_100_230 0x00
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#define MASTERKEY_REVISION_300 0x01
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#define MASTERKEY_REVISION_301_302 0x02
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#define MASTERKEY_REVISION_400_410 0x03
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#define MASTERKEY_REVISION_500_CURRENT 0x04
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#define MASTERKEY_NUM_NEW_DEVICE_KEYS (MASTERKEY_REVISION_MAX - MASTERKEY_REVISION_400_410)
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typedef enum BisPartition {
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BisPartition_Calibration = 0,
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BisPartition_Safe = 1,
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BisPartition_UserSystem = 2,
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} BisPartition;
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typedef struct nx_keyblob_t {
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uint8_t mac[0x10];
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uint8_t ctr[0x10];
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union {
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uint8_t data[0x90];
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uint8_t keys[9][0x10];
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};
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} nx_keyblob_t;
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void derive_nx_keydata(uint32_t target_firmware, const nx_keyblob_t *keyblobs, uint32_t available_revision, const void *tsec_fw, size_t tsec_fw_size);
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void finalize_nx_keydata(uint32_t target_firmware);
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void derive_bis_key(void *dst, BisPartition partition_id, uint32_t target_firmware);
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#endif
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