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sept: update to support 8.1.0

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This commit is contained in:
Michael Scire
2019-06-18 23:23:31 -07:00
parent c96ae0148e
commit befd912a88
20 changed files with 218 additions and 140 deletions
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8
sept/sept-secondary/key_derivation/src/key_derivation.c
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@@ -20,7 +20,7 @@
#define AL16 __attribute__((aligned(16)))
#define DERIVATION_ID_MAX 1
#define DERIVATION_ID_MAX 2
static const uint8_t AL16 keyblob_seed_00[0x10] = {
0xDF, 0x20, 0x6F, 0x59, 0x44, 0x54, 0xEF, 0xDC, 0x70, 0x74, 0x48, 0x3B, 0x0D, 0xED, 0x9F, 0xD3
@@ -44,10 +44,12 @@ static const uint8_t AL16 masterkey_4x_seed[0x10] = {
static const uint8_t AL16 master_kek_seeds[DERIVATION_ID_MAX][0x10] = {
{0x9A, 0x3E, 0xA9, 0xAB, 0xFD, 0x56, 0x46, 0x1C, 0x9B, 0xF6, 0x48, 0x7F, 0x5C, 0xFA, 0x09, 0x5C},
{0xDE, 0xDC, 0xE3, 0x39, 0x30, 0x88, 0x16, 0xF8, 0xAE, 0x97, 0xAD, 0xEC, 0x64, 0x2D, 0x41, 0x41},
};
static const uint8_t AL16 master_devkey_seeds[DERIVATION_ID_MAX][0x10] = {
{0x8F, 0x77, 0x5A, 0x96, 0xB0, 0x94, 0xFD, 0x8D, 0x28, 0xE4, 0x19, 0xC8, 0x16, 0x1C, 0xDB, 0x3D},
{0x67, 0x62, 0xD4, 0x8E, 0x55, 0xCF, 0xFF, 0x41, 0x31, 0x15, 0x3B, 0x24, 0x0C, 0x7C, 0x07, 0xAE},
};
void derive_keys(void) {
@@ -101,7 +103,7 @@ void derive_keys(void) {
}
/* Derive master kek. */
decrypt_data_into_keyslot(0xE, 0xE, master_kek_seeds[0], 0x10);
decrypt_data_into_keyslot(0xE, 0xE, master_kek_seeds[derivation_id], 0x10);
/* Derive master key, device master key. */
decrypt_data_into_keyslot(0xC, 0xE, masterkey_seed, 0x10);
@@ -123,7 +125,7 @@ void derive_keys(void) {
decrypt_data_into_keyslot(0xF, 0xF, devicekey_seed, 0x10);
/* Derive firmware specific device key. */
se_aes_ecb_decrypt_block(0xA, work_buffer, 0x10, master_devkey_seeds[0], 0x10);
se_aes_ecb_decrypt_block(0xA, work_buffer, 0x10, master_devkey_seeds[derivation_id], 0x10);
decrypt_data_into_keyslot(0xE, 0xE, work_buffer, 0x10);
/* Clear work buffer. */