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fusee: fix mariko master key derivation

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hexkyz
2020-12-19 17:54:53 +00:00
committed by SciresM
parent a05e87f78a
commit f4e763ce40
8 changed files with 53 additions and 53 deletions
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18
fusee/fusee-secondary/src/key_derivation.c
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@@ -62,12 +62,12 @@ static const uint8_t AL16 new_master_kek_seeds[MASTERKEY_REVISION_700_800 - MAST
};
static const uint8_t AL16 master_kek_seeds_mariko[MASTERKEY_REVISION_910_CURRENT - MASTERKEY_REVISION_500_510][0x10] = {
{ 0x77, 0x60, 0x5A, 0xD2, 0xEE, 0x6E, 0xF8, 0x3C, 0x3F, 0x72, 0xE2, 0x59, 0x9D, 0xAC, 0x5E, 0x56 }, /* Mariko MasterKek seed 05. */
{ 0x1E, 0x80, 0xB8, 0x17, 0x3E, 0xC0, 0x60, 0xAA, 0x11, 0xBE, 0x1A, 0x4A, 0xA6, 0x6F, 0xE4, 0xAE }, /* Mariko MasterKek seed 06. */
{ 0x94, 0x08, 0x67, 0xBD, 0x0A, 0x00, 0x38, 0x84, 0x11, 0xD3, 0x1A, 0xDB, 0xDD, 0x8D, 0xF1, 0x8A }, /* Mariko MasterKek seed 07. */
{ 0x5C, 0x24, 0xE3, 0xB8, 0xB4, 0xF7, 0x00, 0xC2, 0x3C, 0xFD, 0x0A, 0xCE, 0x13, 0xC3, 0xDC, 0x23 }, /* Mariko MasterKek seed 08. */
{ 0x86, 0x69, 0xF0, 0x09, 0x87, 0xC8, 0x05, 0xAE, 0xB5, 0x7B, 0x48, 0x74, 0xDE, 0x62, 0xA6, 0x13 }, /* Mariko MasterKek seed 09. */
{ 0x0E, 0x44, 0x0C, 0xED, 0xB4, 0x36, 0xC0, 0x3F, 0xAA, 0x1D, 0xAE, 0xBF, 0x62, 0xB1, 0x09, 0x82 }, /* Mariko MasterKek seed 0A. */
{0x77, 0x60, 0x5A, 0xD2, 0xEE, 0x6E, 0xF8, 0x3C, 0x3F, 0x72, 0xE2, 0x59, 0x9D, 0xAC, 0x5E, 0x56}, /* Mariko MasterKek seed 05. */
{0x1E, 0x80, 0xB8, 0x17, 0x3E, 0xC0, 0x60, 0xAA, 0x11, 0xBE, 0x1A, 0x4A, 0xA6, 0x6F, 0xE4, 0xAE}, /* Mariko MasterKek seed 06. */
{0x94, 0x08, 0x67, 0xBD, 0x0A, 0x00, 0x38, 0x84, 0x11, 0xD3, 0x1A, 0xDB, 0xDD, 0x8D, 0xF1, 0x8A}, /* Mariko MasterKek seed 07. */
{0x5C, 0x24, 0xE3, 0xB8, 0xB4, 0xF7, 0x00, 0xC2, 0x3C, 0xFD, 0x0A, 0xCE, 0x13, 0xC3, 0xDC, 0x23}, /* Mariko MasterKek seed 08. */
{0x86, 0x69, 0xF0, 0x09, 0x87, 0xC8, 0x05, 0xAE, 0xB5, 0x7B, 0x48, 0x74, 0xDE, 0x62, 0xA6, 0x13}, /* Mariko MasterKek seed 09. */
{0x0E, 0x44, 0x0C, 0xED, 0xB4, 0x36, 0xC0, 0x3F, 0xAA, 0x1D, 0xAE, 0xBF, 0x62, 0xB1, 0x09, 0x82}, /* Mariko MasterKek seed 0A. */
};
static nx_dec_keyblob_t AL16 g_dec_keyblobs[32];
@@ -197,7 +197,6 @@ int derive_nx_keydata_erista(uint32_t target_firmware, const nx_keyblob_t *keybl
}
}
if (memcmp(g_dec_keyblobs[available_revision].master_kek, zeroes, 0x10) == 0) {
fatal_error("Error: failed to derive master_kek_%02x!", available_revision);
}
@@ -225,11 +224,12 @@ int derive_nx_keydata_erista(uint32_t target_firmware, const nx_keyblob_t *keybl
}
int derive_nx_keydata_mariko(uint32_t target_firmware) {
/* Derive keys for Exosphere, lock critical keyslots. */
/* Derive the device and master keys. */
/* NOTE: Keyslots 7 and 10 are chosen here so we don't overwrite critical key material (KEK, BEK, SBK and SSK). */
decrypt_data_into_keyslot(0xA, 0xE, devicekey_4x_seed, 0x10);
decrypt_data_into_keyslot(0x7, 0xC, &master_kek_seeds_mariko[target_firmware - MASTERKEY_REVISION_600_610], 0x10);
decrypt_data_into_keyslot(0x7, 0x7, masterkey_seed, 0x10);
/* Setup master key revision, derive older master keys for use. */
return mkey_detect_revision(fuse_get_hardware_state() != 0);
}