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ams: replace sept with tsec firmware (#1594)

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* ams: replace sept with tsec firmware

This replaces sept with a custom tsec key derivation firmware.

NOTE: This does not use any TSEC exploits whatsoever; it is a well-signed
TSEC binary assembled with envyas and signed with the real cauth key.

For more details, contact SciresM#0524.

* fusee: only set SBK if it's readable
This commit is contained in:
SciresM
2021-08-20 13:13:29 -07:00
committed by GitHub
parent f175802136
commit 17ca463c3f
137 changed files with 149 additions and 28364 deletions
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4
fusee/fusee-secondary/src/masterkey.c
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@@ -185,8 +185,8 @@ void derive_new_device_keys(bool is_retail, unsigned int keygen_keyslot, unsigne
if (relative_revision > mkey_get_revision()) {
break;
} else if (relative_revision == mkey_get_revision()) {
/* On 7.0.0 erista, sept will have derived this key for us already. */
if (target_firmware < ATMOSPHERE_TARGET_FIRMWARE_7_0_0 || is_mariko) {
/* On Erista, this will already be derived. */
if (is_mariko) {
decrypt_data_into_keyslot(is_mariko ? KEYSLOT_SWITCH_DEVICEKEY_MARIKO : KEYSLOT_SWITCH_DEVICEKEY, KEYSLOT_SWITCH_TEMPKEY, work_buffer, 0x10);
}
} else {