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https://github.com/CTCaer/hekate.git
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keygen for 3.0.x, 4.0.x, 5.0.x added, 3.0.X FW booting, fixed TSEC wrong offset for 4.0.X
This commit is contained in:
st4rk
parent
e7373548fa
commit
8b9e65e76f
4 changed files with 192 additions and 55 deletions
159
ipl/hos.c
159
ipl/hos.c
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@ -59,6 +59,13 @@ static const u8 ckey_keyseed[0x10] =
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static const u8 key8_keyseed[] =
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{ 0xFB, 0x8B, 0x6A, 0x9C, 0x79, 0x00, 0xC8, 0x49, 0xEF, 0xD2, 0x4D, 0x85, 0x4D, 0x30, 0xA0, 0xC7 };
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static const u8 new_masterkey_seed[0x10] =
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{ 0x2D, 0xC1, 0xF4, 0x8D, 0xF3, 0x5B, 0x69, 0x33, 0x42, 0x10, 0xAC, 0x65, 0xDA, 0x90, 0x46, 0x66 };
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static const u8 new_per_console_key[0x10] =
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{ 0x0C, 0x91, 0x09, 0xDB, 0x93, 0x93, 0x07, 0x81, 0x07, 0x3C, 0xC4, 0x16, 0x22, 0x7C, 0x6C, 0x28 };
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static void _se_lock()
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{
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for (u32 i = 0; i < 16; i++)
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@ -86,8 +93,8 @@ static void _se_lock()
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gfx_hexdump(&gfx_con, SE_BASE, (void *)SE_BASE, 0x400);*/
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}
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//Key derivation for < 4.0.0
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static int _keygen_1(u8 *keyblob, u32 kb, void *tsec_fw)
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// <-- key derivation algorithm
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static int keygen(u8 *keyblob, u32 kb, void *tsec_fw)
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{
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u8 *tmp = (u8 *)malloc(0x10);
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@ -97,13 +104,8 @@ static int _keygen_1(u8 *keyblob, u32 kb, void *tsec_fw)
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//Get TSEC key.
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if (tsec_query(tmp, 1, tsec_fw) < 0)
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return 0;
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se_aes_key_set(13, tmp, 0x10);
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//Derive keyblob key from TSEC+SBK.
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memcpy(tmp, keyblob_keyseeds[kb], 0x10);
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se_aes_crypt_block_ecb(13, 0, tmp, tmp);
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se_aes_unwrap_key(13, 14, tmp);
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se_aes_key_clear(14);
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se_aes_key_set(13, tmp, 0x10);
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//TODO: verify keyblob CMAC.
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//se_aes_unwrap_key(11, 13, cmac_keyseed);
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@ -111,7 +113,16 @@ static int _keygen_1(u8 *keyblob, u32 kb, void *tsec_fw)
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//if (!memcmp(keyblob, tmp, 0x10))
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// return 0;
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//Decrypt keyblob and set keyslots.
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switch(kb) {
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// 1.0.0~2.0.0 FW
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case 0: {
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//Derive keyblob key from TSEC+SBK.
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memcpy(tmp, keyblob_keyseeds[kb], 0x10);
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se_aes_crypt_block_ecb(13, 0, tmp, tmp);
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se_aes_unwrap_key(13, 14, tmp);
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se_aes_key_clear(14);
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se_aes_crypt_ctr(13, keyblob + 0x20, 0x90, keyblob + 0x20, 0x90, keyblob + 0x10);
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se_aes_key_set(11, keyblob + 0x20 + 0x80, 0x10);
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se_aes_key_set(12, keyblob + 0x20, 0x10);
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@ -124,20 +135,112 @@ static int _keygen_1(u8 *keyblob, u32 kb, void *tsec_fw)
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memcpy(tmp, mkey_keyseed_retail, 0x10);
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se_aes_unwrap_key(12, 12, tmp);
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memcpy(tmp, key8_keyseed, 0x10);
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se_key_acc_ctrl(8, 0x15);
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se_aes_unwrap_key(8, 12, tmp);
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//Generate console specific key.
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memcpy(tmp, ckey_keyseed, 0x10);
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se_aes_unwrap_key(13, 13, tmp);
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memcpy(tmp, key8_keyseed, 0x10);
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se_key_acc_ctrl(8, 0x15);
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se_aes_unwrap_key(8, 12, tmp);
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se_key_acc_ctrl(12, 0xFF);
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se_key_acc_ctrl(13, 0xFF);
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}
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break;
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// 3.0.0~3.0.1 FW
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case 1:
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case 2: {
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// keyslot 10
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memcpy(tmp, keyblob_keyseeds[0], 0x10);
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se_aes_crypt_block_ecb(13, 0, tmp, tmp);
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se_aes_unwrap_key(10, 14, tmp);
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// keyslot 13
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memcpy(tmp, keyblob_keyseeds[kb], 0x10);
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se_aes_crypt_block_ecb(13, 0, tmp, tmp);
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se_aes_unwrap_key(13, 14, tmp);
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se_aes_key_clear(14);
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se_aes_key_clear(15);
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se_aes_crypt_ctr(13, keyblob + 0x20, 0x90, keyblob + 0x20, 0x90, keyblob + 0x10);
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se_aes_key_set(11, keyblob + 0x20 + 0x80, 0x10);
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se_aes_key_set(12, keyblob + 0x20, 0x10);
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//TODO: for some reason SE likes to hang if we don't execute an operation here.
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memcpy(tmp, mkey_keyseed_retail, 0x10);
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se_aes_crypt_block_ecb(12, 0, tmp, tmp);
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//Generate retail master key.
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memcpy(tmp, mkey_keyseed_retail, 0x10);
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se_aes_unwrap_key(12, 12, tmp);
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//Generate console specific key.
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memcpy(tmp, ckey_keyseed, 0x10);
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se_aes_unwrap_key(13, 10, tmp);
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se_aes_key_clear(10);
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memcpy(tmp, key8_keyseed, 0x10);
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se_key_acc_ctrl(8, 0x15);
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se_aes_unwrap_key(8, 12, tmp);
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se_key_acc_ctrl(12, 0xFF);
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se_key_acc_ctrl(13, 0xFF);
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}
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break;
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// 4.0.0~5.0.1 FW
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case 3:
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case 4: {
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se_key_acc_ctrl(14, 0x15);
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se_key_acc_ctrl(15, 0x15);
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// keyslot 15
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memcpy(tmp, keyblob_keyseeds[0], 0x10);
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se_aes_crypt_block_ecb(13, 0, tmp, tmp);
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se_aes_unwrap_key(15, 14, tmp);
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// keyslot 13
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memcpy(tmp, keyblob_keyseeds[kb], 0x10);
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se_aes_crypt_block_ecb(13, 0, tmp, tmp);
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se_aes_unwrap_key(13, 14, tmp);
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se_aes_key_clear(14);
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se_aes_crypt_ctr(13, keyblob + 0x20, 0x90, keyblob + 0x20, 0x90, keyblob + 0x10);
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// keyslot 11
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se_aes_key_set(11, keyblob + 0x20 + 0x80, 0x10);
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se_aes_key_set(12, keyblob + 0x20, 0x10);
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// keyslot 14
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memcpy(tmp, new_masterkey_seed, 0x10);
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se_aes_unwrap_key(14, 12, tmp);
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// keyslot 12
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memcpy(tmp, mkey_keyseed_retail, 0x10);
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se_aes_unwrap_key(12, 12, tmp);
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// keyslot 13
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memcpy(tmp, new_per_console_key, 0x10);
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se_aes_unwrap_key(13, 15, tmp);
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// keyslot 15
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memcpy(tmp, ckey_keyseed, 0x10);
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se_aes_unwrap_key(15, 13, tmp);
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se_key_acc_ctrl(12, 0xFF);
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se_key_acc_ctrl(15, 0xFF);
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}
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break;
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}
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free(tmp);
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}
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typedef struct _launch_ctxt_t
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{
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void *keyblob;
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@ -324,13 +427,17 @@ int hos_launch(ini_sec_t *cfg)
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if (!_read_emmc_pkg1(&ctxt))
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return 0;
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//XXX: remove this once we support 3+.
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if (ctxt.pkg1_id->kb > 0)
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//Read package1 and the correct keyblob.
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if (!_read_emmc_pkg1(&ctxt))
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return 0;
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//XXX: remove this once we support 3+.
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//if (ctxt.pkg1_id->kb > 0)
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// return 0;
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DPRINTF("loaded pkg1 and keyblob\n");
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//Generate keys.
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_keygen_1(ctxt.keyblob, ctxt.pkg1_id->kb, (u8 *)ctxt.pkg1 + ctxt.pkg1_id->tsec_off);
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keygen(ctxt.keyblob, ctxt.pkg1_id->kb, (u8 *)ctxt.pkg1 + ctxt.pkg1_id->tsec_off);
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DPRINTF("generated keys\n");
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//Decrypt and unpack package1 if we require parts of it.
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if (!ctxt.warmboot || !ctxt.secmon)
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@ -347,27 +454,32 @@ DPRINTF("decrypted and unpacked pkg1\n");
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//Set warmboot address in PMC.
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PMC(APBDEV_PMC_SCRATCH1) = 0x8000D000;
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//Replace 'SecureMonitor' if requested.
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if (ctxt.secmon)
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if (ctxt.secmon) {
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memcpy((void *)ctxt.pkg1_id->secmon_base, ctxt.secmon, ctxt.secmon_size);
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}
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else
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{
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//Else we patch it to allow for an unsigned package2.
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patch_t *secmon_patchset = ctxt.pkg1_id->secmon_patchset;
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if (secmon_patchset != NULL) {
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for (u32 i = 0; secmon_patchset[i].off != 0xFFFFFFFF; i++)
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*(vu32 *)(ctxt.pkg1_id->secmon_base + secmon_patchset[i].off) = secmon_patchset[i].val;
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}
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DPRINTF("loaded warmboot.bin and secmon\n");
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//Read package2.
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if (!_read_emmc_pkg2(&ctxt))
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return 0;
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DPRINTF("read pkg2\n");
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//Decrypt package2 and parse KIP1 blobs in INI1 section.
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pkg2_hdr_t *pkg2_hdr = pkg2_decrypt(ctxt.pkg2);
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LIST_INIT(kip1_info);
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pkg2_parse_kips(&kip1_info, pkg2_hdr);
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DPRINTF("parsed ini1\n");
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//Use the kernel included in package2 in case we didn't load one already.
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if (!ctxt.kernel)
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{
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@ -382,6 +494,17 @@ DPRINTF("parsed ini1\n");
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//Rebuild and encrypt package2.
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pkg2_build_encrypt((void *)0xA9800000, ctxt.kernel, ctxt.kernel_size, &kip1_info);
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DPRINTF("rebuilt pkg2\n");
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} else {
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//Read package2.
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if (!_read_emmc_pkg2(&ctxt))
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return 0;
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DPRINTF("read pkg2\n");
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memcpy((void *)0xA9800000, ctxt.pkg2, ctxt.pkg2_size);
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}
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}
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//Clear 'BootConfig'.
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memset((void *)0x4003D000, 0, 0x3000);
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@ -171,6 +171,10 @@ void config_se_brom()
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SE(SE_INT_STATUS_REG_OFFSET) = 0x1F;
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//Lock SSK (although it's not set and unused anyways).
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SE(SE_KEY_TABLE_ACCESS_REG_OFFSET + 15 * 4) = 0x7E;
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// Clear the boot reason to avoid problems later
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PMC(APBDEV_PMC_SCRATCH200) = 0x0;
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PMC(APBDEV_PMC_RST_STATUS_0) = 0x0;
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PMC(APBDEV_PMC_SCRATCH49_0) = 0x0;
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}
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void config_hw()
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@ -40,6 +40,13 @@ PATCHSET_DEF(_secmon_2_patchset,
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{ 0xAC8 + 0xB58, _NOP() } //Sections SHA2.
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);
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PATCHSET_DEF(_secmon_3_patchset,
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//Patch package2 decryption and signature/hash checks.
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{ 0xAC8 + 0xA30, _NOP() }, //Header signature.
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{ 0xAC8 + 0xAC0, _NOP() }, //Version.
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{ 0xAC8 + 0xADC, _NOP() } //Sections SHA2.
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);
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/*
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* package1.1 header: <wb, ldr, sm>
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* package1.1 layout:
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@ -56,7 +63,7 @@ static const pkg1_id_t _pkg1_ids[] = {
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{ "20170210155124", 0, 0x1900, 0x3FE0, { 0, 1, 2 }, 0x4002D000, _secmon_2_patchset }, //2.0.0
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{ "20170519101410", 1, 0x1A00, 0x3FE0, { 0, 1, 2 }, 0x4002D000, NULL }, //3.0.0
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{ "20170710161758", 2, 0x1A00, 0x3FE0, { 0, 1, 2 }, 0x4002D000, NULL }, //3.0.1
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{ "20170921172629", 3, 0x1900, 0x3FE0, { 1, 2, 0 }, 0x4002B000, NULL }, //4.0.0
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{ "20170921172629", 3, 0x1800, 0x3FE0, { 1, 2, 0 }, 0x4002B000, NULL }, //4.0.0
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{ "20180220163747", 4, 0x1900, 0x3FE0, { 1, 2, 0 }, 0x4002B000, NULL }, //5.0.0
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{ NULL, 0, 0, 0, 0 } //End.
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};
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@ -41,5 +41,8 @@
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#define APBDEV_PMC_SCRATCH188 0x810
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#define APBDEV_PMC_SCRATCH190 0x818
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#define APBDEV_PMC_SCRATCH200 0x840
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#define APBDEV_PMC_RST_STATUS_0 0x1B4
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#define APBDEV_PMC_SECURE_SCRATCH49_0 0x3A4
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#define APBDEV_PMC_SCRATCH49_0 0x244
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#endif
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