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Fix misconception in latest commit

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This commit is contained in:
TuxSH 2018-05-11 23:11:57 +02:00
parent 3ac3183c85
commit 6e43a71b5b
2 changed files with 5 additions and 5 deletions
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8
fusee/fusee-secondary/src/key_derivation.c
View file

@ -36,12 +36,12 @@ static void get_tsec_key(void *dst, const void *tsec_fw, size_t tsec_fw_size) {
/* TODO: Implement this method. Attempt to read TSEC fw from NAND, or from SD if that fails. */
}
void get_keyblob(nx_keyblob_t *dst, uint32_t revision, const nx_keyblob_t *available_keyblobs, uint32_t available_revision) {
void get_keyblob(nx_keyblob_t *dst, uint32_t revision, const nx_keyblob_t *keyblobs, uint32_t available_revision) {
if (revision >= 0x20) {
generic_panic();
}
if (revision <= available_revision) {
if (keyblobs != NULL) {
*dst = available_keyblobs[revision];
} else {
generic_panic();
@ -58,7 +58,7 @@ static bool safe_memcmp(uint8_t *a, uint8_t *b, size_t sz) {
}
/* Derive all Switch keys. */
void derive_nx_keydata(uint32_t target_firmware, const nx_keyblob_t *available_keyblobs, uint32_t available_revision, const void *tsec_fw, size_t tsec_fw_size) {
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) {
uint8_t work_buffer[0x10];
nx_keyblob_t keyblob;
@ -72,7 +72,7 @@ void derive_nx_keydata(uint32_t target_firmware, const nx_keyblob_t *available_k
/* Get keyblob, always try to set up the highest possible master key. */
/* TODO: Should we iterate, trying lower keys on failure? */
get_keyblob(&keyblob, MASTERKEY_REVISION_500_CURRENT, available_keyblobs, available_revision);
get_keyblob(&keyblob, MASTERKEY_REVISION_500_CURRENT, keyblobs, available_revision);
/* Derive both keyblob key 1, and keyblob key latest. */
se_aes_ecb_decrypt_block(0xD, work_buffer, 0x10, keyblob_seeds[MASTERKEY_REVISION_100_230], 0x10);

2
fusee/fusee-secondary/src/key_derivation.h
View file

@ -31,7 +31,7 @@ typedef struct nx_keyblob_t {
};
} nx_keyblob_t;
void derive_nx_keydata(uint32_t target_firmware, const nx_keyblob_t *available_keyblobs, uint32_t available_revision, const void *tsec_fw, size_t tsec_fw_size);
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);
void finalize_nx_keydata(uint32_t target_firmware);
void derive_bis_key(void *dst, BisPartition partition_id, uint32_t target_firmware);