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exosphere: update for new master key

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This commit is contained in:
Michael Scire 2018-11-25 15:51:04 -08:00
parent 982797df31
commit e214f4d325
3 changed files with 9 additions and 6 deletions
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6
exosphere/src/masterkey.c
View file

@ -40,6 +40,7 @@ static const uint8_t mkey_vectors_dev[MASTERKEY_REVISION_MAX][0x10] =
{0x2C, 0xCA, 0x9C, 0x31, 0x1E, 0x07, 0xB0, 0x02, 0x97, 0x0A, 0xD8, 0x03, 0xA2, 0x76, 0x3F, 0xA3}, /* Master key 02 encrypted with Master key 03. */
{0x9B, 0x84, 0x76, 0x14, 0x72, 0x94, 0x52, 0xCB, 0x54, 0x92, 0x9B, 0xC4, 0x8C, 0x5B, 0x0F, 0xBA}, /* Master key 03 encrypted with Master key 04. */
{0x78, 0xD5, 0xF1, 0x20, 0x3D, 0x16, 0xE9, 0x30, 0x32, 0x27, 0x34, 0x6F, 0xCF, 0xE0, 0x27, 0xDC}, /* Master key 04 encrypted with Master key 05. */
{0x6F, 0xD2, 0x84, 0x1D, 0x05, 0xEC, 0x40, 0x94, 0x5F, 0x18, 0xB3, 0x81, 0x09, 0x98, 0x8D, 0x4E}, /* Master key 05 encrypted with Master key 06. */
};
/* Retail unit keys. */
@ -51,6 +52,7 @@ static const uint8_t mkey_vectors[MASTERKEY_REVISION_MAX][0x10] =
{0x0A, 0x0D, 0xDF, 0x34, 0x22, 0x06, 0x6C, 0xA4, 0xE6, 0xB1, 0xEC, 0x71, 0x85, 0xCA, 0x4E, 0x07}, /* Master key 02 encrypted with Master key 03. */
{0x6E, 0x7D, 0x2D, 0xC3, 0x0F, 0x59, 0xC8, 0xFA, 0x87, 0xA8, 0x2E, 0xD5, 0x89, 0x5E, 0xF3, 0xE9}, /* Master key 03 encrypted with Master key 04. */
{0xEB, 0xF5, 0x6F, 0x83, 0x61, 0x9E, 0xF8, 0xFA, 0xE0, 0x87, 0xD7, 0xA1, 0x4E, 0x25, 0x36, 0xEE}, /* Master key 04 encrypted with Master key 05. */
{0x1E, 0x1E, 0x22, 0xC0, 0x5A, 0x33, 0x3C, 0xB9, 0x0B, 0xA9, 0x03, 0x04, 0xBA, 0xDB, 0x07, 0x57}, /* Master key 05 encrypted with Master key 06. */
};
bool check_mkey_revision(unsigned int revision, bool is_retail) {
@ -123,7 +125,7 @@ unsigned int mkey_get_keyslot(unsigned int revision) {
void set_old_devkey(unsigned int revision, const uint8_t *key) {
if (revision < MASTERKEY_REVISION_400_410 || MASTERKEY_REVISION_600_CURRENT <= revision) {
if (revision < MASTERKEY_REVISION_400_410 || MASTERKEY_REVISION_MAX <= revision) {
generic_panic();
}
@ -140,7 +142,7 @@ unsigned int devkey_get_keyslot(unsigned int revision) {
}
if (revision >= 1) {
if (revision == MASTERKEY_REVISION_600_CURRENT) {
if (revision == MASTERKEY_REVISION_MAX) {
return KEYSLOT_SWITCH_DEVICEKEY;
} else {
/* Load into a temp keyslot. */

7
exosphere/src/masterkey.h
View file

@ -19,15 +19,16 @@
/* This is glue code to enable master key support across versions. */
/* TODO: Update to 0x7 on release of new master key. */
#define MASTERKEY_REVISION_MAX 0x6
/* TODO: Update to 0x8 on release of new master key. */
#define MASTERKEY_REVISION_MAX 0x7
#define MASTERKEY_REVISION_100_230 0x00
#define MASTERKEY_REVISION_300 0x01
#define MASTERKEY_REVISION_301_302 0x02
#define MASTERKEY_REVISION_400_410 0x03
#define MASTERKEY_REVISION_500_510 0x04
#define MASTERKEY_REVISION_600_CURRENT 0x05
#define MASTERKEY_REVISION_600_610 0x05
#define MASTERKEY_REVISION_620_CURRENT 0x06
#define MASTERKEY_NUM_NEW_DEVICE_KEYS (MASTERKEY_REVISION_MAX - MASTERKEY_REVISION_400_410)

2
exosphere/src/smc_user.c
View file

@ -166,7 +166,7 @@ uint32_t user_generate_aes_kek(smc_args_t *args) {
/* 5.0.0+ Bounds checking. */
if (exosphere_get_target_firmware() >= EXOSPHERE_TARGET_FIRMWARE_500) {
if (is_personalized) {
if (master_key_rev > MASTERKEY_REVISION_600_CURRENT || ((1 << (master_key_rev + 1)) & 0x73) == 0) {
if (master_key_rev > MASTERKEY_REVISION_MAX || (MASTERKEY_REVISION_300 <= master_key_rev + 1 && master_key_rev + 1 < MASTERKEY_REVISION_400_410)) {
return 2;
}
if (mask_id > 3 || usecase >= CRYPTOUSECASE_MAX_5X) {