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Fusee: Decrypt all keyblobs during key derivation.

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This commit is contained in:
Michael Scire
2018-05-16 02:06:59 -06:00
parent f84645e91f
commit fa71e9cb15
2 changed files with 54 additions and 23 deletions
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7
fusee/fusee-secondary/src/key_derivation.h
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@@ -22,17 +22,22 @@ typedef enum BisPartition {
BisPartition_UserSystem = 2,
} BisPartition;
typedef struct {
uint8_t keys[9][0x10];
} nx_dec_keyblob_t;
typedef struct nx_keyblob_t {
uint8_t mac[0x10];
uint8_t ctr[0x10];
union {
uint8_t data[0x90];
uint8_t keys[9][0x10];
nx_dec_keyblob_t dec_blob;
};
} nx_keyblob_t;
/* TSEC fw must be 0x100-byte-aligned. */
int 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);
int load_package1_key(uint32_t revision);
void finalize_nx_keydata(uint32_t target_firmware);
void derive_bis_key(void *dst, BisPartition partition_id, uint32_t target_firmware);