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fusee: support getting old tsec key from new tsec fw.

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This commit is contained in:
Michael Scire
2018-11-25 16:22:47 -08:00
parent eab5e0df9b
commit c3569ec5e2
7 changed files with 50 additions and 26 deletions
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5
fusee/fusee-secondary/src/key_derivation.c
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@@ -56,7 +56,7 @@ static const uint8_t AL16 masterkey_4x_seed[0x10] = {
static nx_dec_keyblob_t AL16 g_dec_keyblobs[32];
static int get_tsec_key(void *dst, const void *tsec_fw, size_t tsec_fw_size, uint32_t tsec_key_id) {
return tsec_get_key(dst, tsec_key_id, tsec_fw);
return tsec_get_key(dst, tsec_key_id, tsec_fw, tsec_fw_size);
}
static int get_keyblob(nx_keyblob_t *dst, uint32_t revision, const nx_keyblob_t *keyblobs, uint32_t available_revision) {
@@ -125,9 +125,10 @@ int derive_nx_keydata(uint32_t target_firmware, const nx_keyblob_t *keyblobs, ui
set_aes_keyslot_flags(0xD, 0x15);
/* Set TSEC key. */
if (get_tsec_key(work_buffer, tsec_fw, tsec_fw_size, 1) != 0) {
if (get_tsec_key(work_buffer, tsec_fw, tsec_fw_size, 1) != 0) {
return -1;
}
set_aes_keyslot(0xD, work_buffer, 0x10);
/* Decrypt all keyblobs, setting keyslot 0xF correctly. */