Hri7566/Lockpick_RCM
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Compare commits

base: Hri7566:d625847124652ee8a69bc335adcbdf8be144b4f8
Branches Tags
Hri7566:master
..
compare: Hri7566:cc4f8bf1f66e926329384f198f43781faba265e0
Branches Tags
Hri7566:master

No commits in common. "d625847124652ee8a69bc335adcbdf8be144b4f8" and "cc4f8bf1f66e926329384f198f43781faba265e0" have entirely different histories.
d625847124 ... cc4f8bf1f6

20 changed files with 714 additions and 1031 deletions
Show Stats Expand all files Collapse all files

2
Versions.inc
View File

@ -1,5 +1,5 @@
# LP Version. # LP Version.
LPVERSION_MAJOR := 1 LPVERSION_MAJOR := 1
LPVERSION_MINOR := 9 LPVERSION_MINOR := 9
LPVERSION_BUGFX := 10 LPVERSION_BUGFX := 8
LPVERSION_RSVD := 0 LPVERSION_RSVD := 0

70
bdk/sec/se.c
View File

@ -718,6 +718,76 @@ out:;
return res; return res;
} }
// _mgf1_xor() and rsa_oaep_decode were derived from Atmosphère
static void _mgf1_xor(void *masked, u32 masked_size, const void *seed, u32 seed_size)
{
u8 cur_hash[0x20] __attribute__((aligned(4)));
u8 hash_buf[0xe4] __attribute__((aligned(4)));
u32 hash_buf_size = seed_size + 4;
memcpy(hash_buf, seed, seed_size);
u32 round_num = 0;
u8 *p_out = (u8 *)masked;
while (masked_size) {
u32 cur_size = MIN(masked_size, 0x20);
for (u32 i = 0; i < 4; i++)
hash_buf[seed_size + 3 - i] = (round_num >> (8 * i)) & 0xff;
round_num++;
se_calc_sha256_oneshot(cur_hash, hash_buf, hash_buf_size);
for (unsigned int i = 0; i < cur_size; i++) {
*p_out ^= cur_hash[i];
p_out++;
}
masked_size -= cur_size;
}
}
u32 se_rsa_oaep_decode(void *dst, u32 dst_size, const void *label_digest, u32 label_digest_size, u8 *buf, u32 buf_size)
{
if (dst_size <= 0 || buf_size < 0x43 || label_digest_size != 0x20)
return 0;
bool is_valid = buf[0] == 0;
u32 db_len = buf_size - 0x21;
u8 *seed = buf + 1;
u8 *db = seed + 0x20;
_mgf1_xor(seed, 0x20, db, db_len);
_mgf1_xor(db, db_len, seed, 0x20);
is_valid &= memcmp(label_digest, db, 0x20) ? 0 : 1;
db += 0x20;
db_len -= 0x20;
int msg_ofs = 0;
int looking_for_one = 1;
int invalid_db_padding = 0;
int is_zero;
int is_one;
for (int i = 0; i < db_len; )
{
is_zero = (db[i] == 0);
is_one = (db[i] == 1);
msg_ofs += (looking_for_one & is_one) * (++i);
looking_for_one &= ~is_one;
invalid_db_padding |= (looking_for_one & ~is_zero);
}
is_valid &= (invalid_db_padding == 0);
const u32 msg_size = MIN(dst_size, is_valid * (db_len - msg_ofs));
memcpy(dst, db + msg_ofs, msg_size);
return msg_size;
}
void se_get_aes_keys(u8 *buf, u8 *keys, u32 keysize) void se_get_aes_keys(u8 *buf, u8 *keys, u32 keysize)
{ {
u8 *aligned_buf = (u8 *)ALIGN((u32)buf, 0x40); u8 *aligned_buf = (u8 *)ALIGN((u32)buf, 0x40);

1
bdk/sec/se.h
View File

@ -49,5 +49,6 @@ int se_calc_sha256(void *hash, u32 *msg_left, const void *src, u32 src_size, u64
int se_calc_sha256_oneshot(void *hash, const void *src, u32 src_size); int se_calc_sha256_oneshot(void *hash, const void *src, u32 src_size);
int se_calc_sha256_finalize(void *hash, u32 *msg_left); int se_calc_sha256_finalize(void *hash, u32 *msg_left);
int se_calc_hmac_sha256(void *dst, const void *src, u32 src_size, const void *key, u32 key_size); int se_calc_hmac_sha256(void *dst, const void *src, u32 src_size, const void *key, u32 key_size);
u32 se_rsa_oaep_decode(void *dst, u32 dst_size, const void *label_digest, u32 label_digest_size, u8 *buf, u32 buf_size);
#endif #endif

14
bdk/utils/util.c
View File

@ -230,3 +230,17 @@ void power_set_state_ex(void *param)
power_state_t *state = (power_state_t *)param; power_state_t *state = (power_state_t *)param;
power_set_state(*state); power_set_state(*state);
} }
u32 read_le_u32(const void *buffer, u32 offset) {
return (*(u8*)(buffer + offset + 0) ) |
(*(u8*)(buffer + offset + 1) << 0x08) |
(*(u8*)(buffer + offset + 2) << 0x10) |
(*(u8*)(buffer + offset + 3) << 0x18);
}
u32 read_be_u32(const void *buffer, u32 offset) {
return (*(u8*)(buffer + offset + 3) ) |
(*(u8*)(buffer + offset + 2) << 0x08) |
(*(u8*)(buffer + offset + 1) << 0x10) |
(*(u8*)(buffer + offset + 0) << 0x18);
}

3
bdk/utils/util.h
View File

@ -96,4 +96,7 @@ void panic(u32 val);
void power_set_state(power_state_t state); void power_set_state(power_state_t state);
void power_set_state_ex(void *param); void power_set_state_ex(void *param);
u32 read_le_u32(const void *buffer, u32 offset);
u32 read_be_u32(const void *buffer, u32 offset);
#endif #endif

3
source/hos/hos.h
View File

@ -35,7 +35,6 @@
#define KB_FIRMWARE_VERSION_1300 12 #define KB_FIRMWARE_VERSION_1300 12
#define KB_FIRMWARE_VERSION_1400 13 #define KB_FIRMWARE_VERSION_1400 13
#define KB_FIRMWARE_VERSION_1500 14 #define KB_FIRMWARE_VERSION_1500 14
#define KB_FIRMWARE_VERSION_1600 15 #define KB_FIRMWARE_VERSION_MAX KB_FIRMWARE_VERSION_1500 //!TODO: Update on mkey changes.
#define KB_FIRMWARE_VERSION_MAX KB_FIRMWARE_VERSION_1600 //!TODO: Update on mkey changes.
#endif #endif

116
source/keys/crypto.c
View File

@ -1,6 +1,5 @@
/* /*
* Copyright (c) 2022 shchmue * Copyright (c) 2022 shchmue
* Copyright (c) 2018 Atmosphère-NX
* *
* This program is free software; you can redistribute it and/or modify it * This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License, * under the terms and conditions of the GNU General Public License,
@ -17,13 +16,10 @@
#include "crypto.h" #include "crypto.h"
#include "../../keygen/tsec_keygen.h"
#include "../config.h" #include "../config.h"
#include "../hos/hos.h" #include "../hos/hos.h"
#include <sec/se.h> #include <sec/se.h>
#include <sec/se_t210.h> #include <sec/se_t210.h>
#include <sec/tsec.h>
#include <soc/fuse.h> #include <soc/fuse.h>
#include <utils/util.h> #include <utils/util.h>
@ -31,37 +27,6 @@
extern hekate_config h_cfg; extern hekate_config h_cfg;
int key_exists(const void *data) {
return memcmp(data, "\x00\x00\x00\x00\x00\x00\x00\x00", 8) != 0;
}
int run_ams_keygen() {
tsec_ctxt_t tsec_ctxt;
tsec_ctxt.fw = tsec_keygen;
tsec_ctxt.size = sizeof(tsec_keygen);
tsec_ctxt.type = TSEC_FW_TYPE_NEW;
u32 retries = 0;
u32 temp_key[SE_KEY_128_SIZE / 4];
while (tsec_query(temp_key, &tsec_ctxt) < 0) {
retries++;
if (retries > 15) {
return -1;
}
}
return 0;
}
bool check_keyslot_access() {
u8 test_data[SE_KEY_128_SIZE] = {0};
const u8 test_ciphertext[SE_KEY_128_SIZE] = {0};
se_aes_key_set(KS_AES_ECB, "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", SE_KEY_128_SIZE);
se_aes_crypt_block_ecb(KS_AES_ECB, DECRYPT, test_data, test_ciphertext);
return memcmp(test_data, "\x7b\x1d\x29\xa1\x6c\xf8\xcc\xab\x84\xf0\xb8\xa5\x98\xe4\x2f\xa6", SE_KEY_128_SIZE) == 0;
}
bool test_rsa_keypair(const void *public_exponent, const void *private_exponent, const void *modulus) { bool test_rsa_keypair(const void *public_exponent, const void *private_exponent, const void *modulus) {
u32 plaintext[SE_RSA2048_DIGEST_SIZE / 4] = {0}, u32 plaintext[SE_RSA2048_DIGEST_SIZE / 4] = {0},
ciphertext[SE_RSA2048_DIGEST_SIZE / 4] = {0}, ciphertext[SE_RSA2048_DIGEST_SIZE / 4] = {0},
@ -78,77 +43,14 @@ bool test_rsa_keypair(const void *public_exponent, const void *private_exponent,
return memcmp(plaintext, work, SE_RSA2048_DIGEST_SIZE) == 0; return memcmp(plaintext, work, SE_RSA2048_DIGEST_SIZE) == 0;
} }
// _mgf1_xor() and rsa_oaep_decode were derived from Atmosphère bool test_eticket_rsa_keypair(const rsa_keypair_t *keypair) {
static void _mgf1_xor(void *masked, u32 masked_size, const void *seed, u32 seed_size) { // Unlike the SSL RSA key, we don't need to check the gmac - we can just verify the public exponent
u8 cur_hash[0x20] __attribute__((aligned(4))); // and test the keypair since we have the modulus
u8 hash_buf[0xe4] __attribute__((aligned(4))); if ((read_be_u32(keypair->public_exponent, 0) != RSA_PUBLIC_EXPONENT) ||
(!test_rsa_keypair(keypair->public_exponent, keypair->private_exponent, keypair->modulus))) {
u32 hash_buf_size = seed_size + 4; return false;
memcpy(hash_buf, seed, seed_size);
u32 round_num = 0;
u8 *p_out = (u8 *)masked;
while (masked_size) {
u32 cur_size = MIN(masked_size, 0x20);
for (u32 i = 0; i < 4; i++)
hash_buf[seed_size + 3 - i] = (round_num >> (8 * i)) & 0xff;
round_num++;
se_calc_sha256_oneshot(cur_hash, hash_buf, hash_buf_size);
for (unsigned int i = 0; i < cur_size; i++) {
*p_out ^= cur_hash[i];
p_out++;
} }
return true;
masked_size -= cur_size;
}
}
u32 rsa_oaep_decode(void *dst, u32 dst_size, const void *label_digest, u32 label_digest_size, u8 *buf, u32 buf_size) {
if (dst_size <= 0 || buf_size < 0x43 || label_digest_size != 0x20)
return 0;
bool is_valid = buf[0] == 0;
u32 db_len = buf_size - 0x21;
u8 *seed = buf + 1;
u8 *db = seed + 0x20;
_mgf1_xor(seed, 0x20, db, db_len);
_mgf1_xor(db, db_len, seed, 0x20);
is_valid &= memcmp(label_digest, db, 0x20) ? 0 : 1;
db += 0x20;
db_len -= 0x20;
int msg_ofs = 0;
int looking_for_one = 1;
int invalid_db_padding = 0;
int is_zero;
int is_one;
for (int i = 0; i < db_len; ) {
is_zero = (db[i] == 0);
is_one = (db[i] == 1);
msg_ofs += (looking_for_one & is_one) * (++i);
looking_for_one &= ~is_one;
invalid_db_padding |= (looking_for_one & ~is_zero);
}
is_valid &= (invalid_db_padding == 0);
const u32 msg_size = MIN(dst_size, is_valid * (db_len - msg_ofs));
memcpy(dst, db + msg_ofs, msg_size);
return msg_size;
}
void derive_rsa_kek(u32 ks, key_storage_t *keys, void *out_rsa_kek, const void *kekek_source, const void *kek_source, u32 generation, u32 option) {
u32 access_key[SE_KEY_128_SIZE / 4] = {0};
generate_aes_kek(ks, keys, access_key, kekek_source, generation, option);
get_device_unique_data_key(ks, out_rsa_kek, access_key, kek_source);
} }
// Equivalent to spl::GenerateAesKek // Equivalent to spl::GenerateAesKek
@ -181,7 +83,7 @@ void load_aes_key(u32 ks, void *out_key, const void *access_key, const void *key
// Equivalent to spl::GenerateAesKey // Equivalent to spl::GenerateAesKey
void generate_aes_key(u32 ks, key_storage_t *keys, void *out_key, u32 key_size, const void *access_key, const void *key_source) { void generate_aes_key(u32 ks, key_storage_t *keys, void *out_key, u32 key_size, const void *access_key, const void *key_source) {
u32 aes_key[SE_KEY_128_SIZE / 4] = {0}; void *aes_key = keys->temp_key;
load_aes_key(ks, aes_key, access_key, aes_key_generation_source); load_aes_key(ks, aes_key, access_key, aes_key_generation_source);
se_aes_key_set(ks, aes_key, SE_KEY_128_SIZE); se_aes_key_set(ks, aes_key, SE_KEY_128_SIZE);
se_aes_crypt_ecb(ks, DECRYPT, out_key, key_size, key_source, key_size); se_aes_crypt_ecb(ks, DECRYPT, out_key, key_size, key_source, key_size);
@ -194,7 +96,7 @@ void get_device_unique_data_key(u32 ks, void *out_key, const void *access_key, c
// Equivalent to spl::DecryptAesKey. // Equivalent to spl::DecryptAesKey.
void decrypt_aes_key(u32 ks, key_storage_t *keys, void *out_key, const void *key_source, u32 generation, u32 option) { void decrypt_aes_key(u32 ks, key_storage_t *keys, void *out_key, const void *key_source, u32 generation, u32 option) {
u32 access_key[SE_KEY_128_SIZE / 4] = {0}; void *access_key = keys->temp_key;
generate_aes_kek(ks, keys, access_key, aes_key_decryption_source, generation, option); generate_aes_kek(ks, keys, access_key, aes_key_decryption_source, generation, option);
generate_aes_key(ks, keys, out_key, SE_KEY_128_SIZE, access_key, key_source); generate_aes_key(ks, keys, out_key, SE_KEY_128_SIZE, access_key, key_source);
} }

49
source/keys/crypto.h
View File

@ -17,20 +17,10 @@
#ifndef _CRYPTO_H_ #ifndef _CRYPTO_H_
#define _CRYPTO_H_ #define _CRYPTO_H_
#include "es_types.h"
#include "../hos/hos.h" #include "../hos/hos.h"
#include <sec/se_t210.h> #include <sec/se_t210.h>
#include "../storage/nx_emmc.h"
#include <utils/types.h> #include <utils/types.h>
#include <string.h>
// Sha256 hash of the null string.
static const u8 null_hash[SE_SHA_256_SIZE] __attribute__((aligned(4))) = {
0xE3, 0xB0, 0xC4, 0x42, 0x98, 0xFC, 0x1C, 0x14, 0x9A, 0xFB, 0xF4, 0xC8, 0x99, 0x6F, 0xB9, 0x24,
0x27, 0xAE, 0x41, 0xE4, 0x64, 0x9B, 0x93, 0x4C, 0xA4, 0x95, 0x99, 0x1B, 0x78, 0x52, 0xB8, 0x55};
static const u8 aes_kek_generation_source[0x10] __attribute__((aligned(4))) = { static const u8 aes_kek_generation_source[0x10] __attribute__((aligned(4))) = {
0x4D, 0x87, 0x09, 0x86, 0xC4, 0x5D, 0x20, 0x72, 0x2F, 0xBA, 0x10, 0x53, 0xDA, 0x92, 0xE8, 0xA9}; 0x4D, 0x87, 0x09, 0x86, 0xC4, 0x5D, 0x20, 0x72, 0x2F, 0xBA, 0x10, 0x53, 0xDA, 0x92, 0xE8, 0xA9};
@ -53,7 +43,6 @@ static const u8 device_master_kek_sources[KB_FIRMWARE_VERSION_MAX - KB_FIRMWARE_
{0x77, 0x52, 0x92, 0xF0, 0xAA, 0xE3, 0xFB, 0xE0, 0x60, 0x16, 0xB3, 0x78, 0x68, 0x53, 0xF7, 0xA8}, /* 13.0.0 Device Master Kek Source. */ {0x77, 0x52, 0x92, 0xF0, 0xAA, 0xE3, 0xFB, 0xE0, 0x60, 0x16, 0xB3, 0x78, 0x68, 0x53, 0xF7, 0xA8}, /* 13.0.0 Device Master Kek Source. */
{0x67, 0xD5, 0xD6, 0x0C, 0x08, 0xF5, 0xA3, 0x11, 0xBD, 0x6D, 0x5A, 0xEB, 0x96, 0x24, 0xB0, 0xD2}, /* 14.0.0 Device Master Kek Source. */ {0x67, 0xD5, 0xD6, 0x0C, 0x08, 0xF5, 0xA3, 0x11, 0xBD, 0x6D, 0x5A, 0xEB, 0x96, 0x24, 0xB0, 0xD2}, /* 14.0.0 Device Master Kek Source. */
{0x7C, 0x30, 0xED, 0x8B, 0x39, 0x25, 0x2C, 0x08, 0x8F, 0x48, 0xDC, 0x28, 0xE6, 0x1A, 0x6B, 0x49}, /* 15.0.0 Device Master Kek Source. */ {0x7C, 0x30, 0xED, 0x8B, 0x39, 0x25, 0x2C, 0x08, 0x8F, 0x48, 0xDC, 0x28, 0xE6, 0x1A, 0x6B, 0x49}, /* 15.0.0 Device Master Kek Source. */
{0xF0, 0xF3, 0xFF, 0x52, 0x75, 0x2F, 0xBA, 0x4D, 0x09, 0x72, 0x30, 0x89, 0xA9, 0xDF, 0xFE, 0x1F}, /* 16.0.0 Device Master Kek Source. */
}; //!TODO: Update on mkey changes. }; //!TODO: Update on mkey changes.
static const u8 device_master_kek_sources_dev[KB_FIRMWARE_VERSION_MAX - KB_FIRMWARE_VERSION_400 + 1][0x10] __attribute__((aligned(4))) = { static const u8 device_master_kek_sources_dev[KB_FIRMWARE_VERSION_MAX - KB_FIRMWARE_VERSION_400 + 1][0x10] __attribute__((aligned(4))) = {
@ -69,7 +58,6 @@ static const u8 device_master_kek_sources_dev[KB_FIRMWARE_VERSION_MAX - KB_FIRMW
{0x20, 0x20, 0xAA, 0xFB, 0x89, 0xC2, 0xF0, 0x70, 0xB5, 0xE0, 0xA3, 0x11, 0x8A, 0x29, 0x8D, 0x0F}, /* 13.0.0 Device Master Kek Source. */ {0x20, 0x20, 0xAA, 0xFB, 0x89, 0xC2, 0xF0, 0x70, 0xB5, 0xE0, 0xA3, 0x11, 0x8A, 0x29, 0x8D, 0x0F}, /* 13.0.0 Device Master Kek Source. */
{0xCE, 0x14, 0x74, 0x66, 0x98, 0xA8, 0x6D, 0x7D, 0xBD, 0x54, 0x91, 0x68, 0x5F, 0x1D, 0x0E, 0xEA}, /* 14.0.0 Device Master Kek Source. */ {0xCE, 0x14, 0x74, 0x66, 0x98, 0xA8, 0x6D, 0x7D, 0xBD, 0x54, 0x91, 0x68, 0x5F, 0x1D, 0x0E, 0xEA}, /* 14.0.0 Device Master Kek Source. */
{0xAE, 0x05, 0x48, 0x65, 0xAB, 0x17, 0x9D, 0x3D, 0x51, 0xB7, 0x56, 0xBD, 0x9B, 0x0B, 0x5B, 0x6E}, /* 15.0.0 Device Master Kek Source. */ {0xAE, 0x05, 0x48, 0x65, 0xAB, 0x17, 0x9D, 0x3D, 0x51, 0xB7, 0x56, 0xBD, 0x9B, 0x0B, 0x5B, 0x6E}, /* 15.0.0 Device Master Kek Source. */
{0xFF, 0xF6, 0x4B, 0x0F, 0xFF, 0x0D, 0xC0, 0x4F, 0x56, 0x8A, 0x40, 0x74, 0x67, 0xC5, 0xFE, 0x9F}, /* 16.0.0 Device Master Kek Source. */
}; //!TODO: Update on mkey changes. }; //!TODO: Update on mkey changes.
static const u8 device_master_key_source_sources[KB_FIRMWARE_VERSION_MAX - KB_FIRMWARE_VERSION_400 + 1][0x10] __attribute__((aligned(4))) = { static const u8 device_master_key_source_sources[KB_FIRMWARE_VERSION_MAX - KB_FIRMWARE_VERSION_400 + 1][0x10] __attribute__((aligned(4))) = {
@ -85,7 +73,6 @@ static const u8 device_master_key_source_sources[KB_FIRMWARE_VERSION_MAX - KB_FI
{0xE4, 0xF3, 0x45, 0x6F, 0x18, 0xA1, 0x89, 0xF8, 0xDA, 0x4C, 0x64, 0x75, 0x68, 0xE6, 0xBD, 0x4F}, /* 13.0.0 Device Master Key Source Source. */ {0xE4, 0xF3, 0x45, 0x6F, 0x18, 0xA1, 0x89, 0xF8, 0xDA, 0x4C, 0x64, 0x75, 0x68, 0xE6, 0xBD, 0x4F}, /* 13.0.0 Device Master Key Source Source. */
{0x5B, 0x94, 0x63, 0xF7, 0xAD, 0x96, 0x1B, 0xA6, 0x23, 0x30, 0x06, 0x4D, 0x01, 0xE4, 0xCE, 0x1D}, /* 14.0.0 Device Master Key Source Source. */ {0x5B, 0x94, 0x63, 0xF7, 0xAD, 0x96, 0x1B, 0xA6, 0x23, 0x30, 0x06, 0x4D, 0x01, 0xE4, 0xCE, 0x1D}, /* 14.0.0 Device Master Key Source Source. */
{0x5E, 0xC9, 0xC5, 0x0A, 0xD0, 0x5F, 0x8B, 0x7B, 0xA7, 0x39, 0xEA, 0xBC, 0x60, 0x0F, 0x74, 0xE6}, /* 15.0.0 Device Master Key Source Source. */ {0x5E, 0xC9, 0xC5, 0x0A, 0xD0, 0x5F, 0x8B, 0x7B, 0xA7, 0x39, 0xEA, 0xBC, 0x60, 0x0F, 0x74, 0xE6}, /* 15.0.0 Device Master Key Source Source. */
{0xEA, 0x90, 0x6E, 0xA8, 0xAE, 0x92, 0x99, 0x64, 0x36, 0xC1, 0xF3, 0x1C, 0xC6, 0x32, 0x83, 0x8C}, /* 16.0.0 Device Master Key Source Source. */
}; //!TODO: Update on mkey changes. }; //!TODO: Update on mkey changes.
static const u8 seal_key_masks[][0x10] __attribute__((aligned(4))) = { static const u8 seal_key_masks[][0x10] __attribute__((aligned(4))) = {
@ -112,9 +99,6 @@ static const u8 secure_data_tweaks[1][0x10] __attribute__((aligned(4))) = {
{0xAC, 0xCA, 0x9A, 0xCA, 0xFF, 0x2E, 0xB9, 0x22, 0xCC, 0x1F, 0x4F, 0xAD, 0xDD, 0x77, 0x21, 0x1E} {0xAC, 0xCA, 0x9A, 0xCA, 0xFF, 0x2E, 0xB9, 0x22, 0xCC, 0x1F, 0x4F, 0xAD, 0xDD, 0x77, 0x21, 0x1E}
}; };
//!TODO: Update on keygen changes.
#define TSEC_ROOT_KEY_VERSION 2
// Lockpick_RCM keyslots // Lockpick_RCM keyslots
#define KS_BIS_00_CRYPT 0 #define KS_BIS_00_CRYPT 0
#define KS_BIS_00_TWEAK 1 #define KS_BIS_00_TWEAK 1
@ -140,20 +124,27 @@ static const u8 secure_data_tweaks[1][0x10] __attribute__((aligned(4))) = {
#define RSA_PUBLIC_EXPONENT 65537 #define RSA_PUBLIC_EXPONENT 65537
#define KEYBLOB_UNK_DATA_SIZE 0x70 #define SSL_RSA_KEY_SIZE (SE_AES_IV_SIZE + SE_RSA2048_DIGEST_SIZE)
#define KEYBLOB_UNUSED_SIZE (NX_EMMC_BLOCKSIZE - SE_AES_CMAC_DIGEST_SIZE - SE_AES_IV_SIZE - sizeof(keyblob_t)) #define ETICKET_RSA_KEYPAIR_SIZE (SE_AES_IV_SIZE + SE_RSA2048_DIGEST_SIZE * 2 + SE_KEY_128_SIZE)
typedef struct {
u8 private_exponent[SE_RSA2048_DIGEST_SIZE];
u8 modulus[SE_RSA2048_DIGEST_SIZE];
u8 public_exponent[4];
u8 reserved[0xC];
} rsa_keypair_t;
typedef struct { typedef struct {
u8 master_kek[SE_KEY_128_SIZE]; u8 master_kek[SE_KEY_128_SIZE];
u8 data[KEYBLOB_UNK_DATA_SIZE]; u8 data[0x70];
u8 package1_key[SE_KEY_128_SIZE]; u8 package1_key[SE_KEY_128_SIZE];
} keyblob_t; } keyblob_t;
typedef struct { typedef struct {
u8 cmac[SE_AES_CMAC_DIGEST_SIZE]; u8 cmac[0x10];
u8 iv[SE_AES_IV_SIZE]; u8 iv[0x10];
keyblob_t key_data; keyblob_t key_data;
u8 unused[KEYBLOB_UNUSED_SIZE]; u8 unused[0x150];
} encrypted_keyblob_t; } encrypted_keyblob_t;
typedef struct { typedef struct {
@ -184,9 +175,9 @@ typedef struct {
titlekek[KB_FIRMWARE_VERSION_MAX + 1][SE_KEY_128_SIZE], titlekek[KB_FIRMWARE_VERSION_MAX + 1][SE_KEY_128_SIZE],
tsec_key[SE_KEY_128_SIZE], tsec_key[SE_KEY_128_SIZE],
tsec_root_key[SE_KEY_128_SIZE]; tsec_root_key[SE_KEY_128_SIZE];
u32 secure_boot_key[4]; u32 sbk[4];
keyblob_t keyblob[KB_FIRMWARE_VERSION_600 + 1]; keyblob_t keyblob[KB_FIRMWARE_VERSION_600 + 1];
eticket_rsa_keypair_t eticket_rsa_keypair; rsa_keypair_t eticket_rsa_keypair;
} key_storage_t; } key_storage_t;
typedef enum { typedef enum {
@ -208,16 +199,8 @@ typedef enum {
#define GET_SEAL_KEY_INDEX(x) (((x) >> 5) & 7) #define GET_SEAL_KEY_INDEX(x) (((x) >> 5) & 7)
#define GET_IS_DEVICE_UNIQUE(x) ((x) & 1) #define GET_IS_DEVICE_UNIQUE(x) ((x) & 1)
int key_exists(const void *data);
int run_ams_keygen();
bool check_keyslot_access();
bool test_rsa_keypair(const void *public_exponent, const void *private_exponent, const void *modulus); bool test_rsa_keypair(const void *public_exponent, const void *private_exponent, const void *modulus);
u32 rsa_oaep_decode(void *dst, u32 dst_size, const void *label_digest, u32 label_digest_size, u8 *buf, u32 buf_size); bool test_eticket_rsa_keypair(const rsa_keypair_t *keypair);
void derive_rsa_kek(u32 ks, key_storage_t *keys, void *out_rsa_kek, const void *kekek_source, const void *kek_source, u32 generation, u32 option);
// Equivalent to spl::GenerateAesKek // Equivalent to spl::GenerateAesKek
void generate_aes_kek(u32 ks, key_storage_t *keys, void *out_kek, const void *kek_source, u32 generation, u32 option); void generate_aes_kek(u32 ks, key_storage_t *keys, void *out_kek, const void *kek_source, u32 generation, u32 option);

146
source/keys/es_crypto.c
View File

@ -1,146 +0,0 @@
/*
* Copyright (c) 2022 shchmue
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "es_crypto.h"
#include "cal0_read.h"
#include "../config.h"
#include <gfx_utils.h>
#include "../gfx/tui.h"
#include <mem/minerva.h>
#include <sec/se.h>
#include <sec/se_t210.h>
#include <string.h>
extern hekate_config h_cfg;
bool test_eticket_rsa_keypair(const eticket_rsa_keypair_t *keypair) {
if (byte_swap_32(keypair->public_exponent) != RSA_PUBLIC_EXPONENT)
return false;
return test_rsa_keypair(&keypair->public_exponent, keypair->private_exponent, keypair->modulus);
}
void es_derive_rsa_kek_device_unique(key_storage_t *keys, void *out_rsa_kek, u32 generation, bool is_dev) {
if ((!h_cfg.t210b01 && !key_exists(keys->device_key)) || (h_cfg.t210b01 && (!key_exists(keys->master_key[0]) || !key_exists(keys->device_key_4x)))) {
return;
}
const void *kek_source = is_dev ? eticket_rsa_kek_source_dev : eticket_rsa_kek_source;
const u32 option = SET_SEAL_KEY_INDEX(SEAL_KEY_IMPORT_ES_DEVICE_KEY) | IS_DEVICE_UNIQUE;
derive_rsa_kek(KS_AES_ECB, keys, out_rsa_kek, eticket_rsa_kekek_source, kek_source, generation, option);
}
void es_derive_rsa_kek_legacy(key_storage_t *keys, void *out_rsa_kek) {
if (!key_exists(keys->master_key[0])) {
return;
}
const u32 generation = 0;
const u32 option = SET_SEAL_KEY_INDEX(SEAL_KEY_IMPORT_ES_DEVICE_KEY) | NOT_DEVICE_UNIQUE;
derive_rsa_kek(KS_AES_ECB, keys, out_rsa_kek, eticket_rsa_kekek_source, eticket_rsa_kek_source_legacy, generation, option);
}
void es_derive_rsa_kek_original(key_storage_t *keys, void *out_rsa_kek, bool is_dev) {
if (!key_exists(keys->master_key[0])) {
return;
}
const void *kek_source = is_dev ? eticket_rsa_kek_source_dev : eticket_rsa_kek_source;
const u32 generation = 0;
const u32 option = SET_SEAL_KEY_INDEX(SEAL_KEY_IMPORT_ES_DEVICE_KEY) | NOT_DEVICE_UNIQUE;
derive_rsa_kek(KS_AES_ECB, keys, out_rsa_kek, eticket_rsa_kekek_source, kek_source, generation, option);
}
bool decrypt_eticket_rsa_key(key_storage_t *keys, void *buffer, bool is_dev) {
if (!cal0_read(KS_BIS_00_TWEAK, KS_BIS_00_CRYPT, buffer)) {
return false;
}
nx_emmc_cal0_t *cal0 = (nx_emmc_cal0_t *)buffer;
u32 generation = 0;
const void *encrypted_key = NULL;
const void *iv = NULL;
u32 key_size = 0;
void *ctr_key = NULL;
if (!cal0_get_eticket_rsa_key(cal0, &encrypted_key, &key_size, &iv, &generation)) {
return false;
}
// Handle legacy case
if (key_size == ETICKET_RSA_KEYPAIR_SIZE) {
u32 temp_key[SE_KEY_128_SIZE / 4] = {0};
es_derive_rsa_kek_legacy(keys, temp_key);
ctr_key = temp_key;
se_aes_key_set(KS_AES_CTR, ctr_key, SE_KEY_128_SIZE);
se_aes_crypt_ctr(KS_AES_CTR, &keys->eticket_rsa_keypair, sizeof(keys->eticket_rsa_keypair), encrypted_key, sizeof(keys->eticket_rsa_keypair), iv);
if (test_eticket_rsa_keypair(&keys->eticket_rsa_keypair)) {
memcpy(keys->eticket_rsa_kek, ctr_key, sizeof(keys->eticket_rsa_kek));
return true;
}
// Fall through and try usual method if not applicable
}
if (generation) {
es_derive_rsa_kek_device_unique(keys, keys->eticket_rsa_kek_personalized, generation, is_dev);
ctr_key = keys->eticket_rsa_kek_personalized;
} else {
ctr_key = keys->eticket_rsa_kek;
}
se_aes_key_set(KS_AES_CTR, ctr_key, SE_KEY_128_SIZE);
se_aes_crypt_ctr(KS_AES_CTR, &keys->eticket_rsa_keypair, sizeof(keys->eticket_rsa_keypair), encrypted_key, sizeof(keys->eticket_rsa_keypair), iv);
if (!test_eticket_rsa_keypair(&keys->eticket_rsa_keypair)) {
EPRINTF("Invalid eticket keypair.");
memset(&keys->eticket_rsa_keypair, 0, sizeof(keys->eticket_rsa_keypair));
return false;
}
return true;
}
void es_decode_tickets(u32 buf_size, titlekey_buffer_t *titlekey_buffer, u32 remaining, u32 total, u32 *titlekey_count, u32 x, u32 y, u32 *pct, u32 *last_pct, bool is_personalized) {
ticket_t *curr_ticket = (ticket_t *)titlekey_buffer->read_buffer;
for (u32 i = 0; i < MIN(buf_size / sizeof(ticket_t), remaining) * sizeof(ticket_t) && curr_ticket->signature_type != 0; i += sizeof(ticket_t), curr_ticket++) {
minerva_periodic_training();
*pct = (total - remaining) * 100 / total;
if (*pct > *last_pct && *pct <= 100) {
*last_pct = *pct;
tui_pbar(x, y, *pct, COLOR_GREEN, 0xFF155500);
}
// This is in case an encrypted volatile ticket is left behind
if (curr_ticket->signature_type != TICKET_SIG_TYPE_RSA2048_SHA256)
continue;
u8 *curr_titlekey = curr_ticket->titlekey_block;
const u32 block_size = SE_RSA2048_DIGEST_SIZE;
const u32 titlekey_size = sizeof(titlekey_buffer->titlekeys[0]);
if (is_personalized) {
se_rsa_exp_mod(0, curr_titlekey, block_size, curr_titlekey, block_size);
if (rsa_oaep_decode(curr_titlekey, titlekey_size, null_hash, sizeof(null_hash), curr_titlekey, block_size) != titlekey_size)
continue;
}
memcpy(titlekey_buffer->rights_ids[*titlekey_count], curr_ticket->rights_id, sizeof(titlekey_buffer->rights_ids[0]));
memcpy(titlekey_buffer->titlekeys[*titlekey_count], curr_titlekey, titlekey_size);
(*titlekey_count)++;
}
}

49
source/keys/es_crypto.h
View File

@ -1,49 +0,0 @@
/*
* Copyright (c) 2022 shchmue
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _ES_CRYPTO_H_
#define _ES_CRYPTO_H_
#include "crypto.h"
#include "es_types.h"
#include <sec/se_t210.h>
#include <utils/types.h>
#define ETICKET_RSA_KEYPAIR_SIZE (SE_AES_IV_SIZE + SE_RSA2048_DIGEST_SIZE * 2 + SE_KEY_128_SIZE)
#define TICKET_SIG_TYPE_RSA2048_SHA256 0x10004
static const u8 eticket_rsa_kek_source[0x10] __attribute__((aligned(4))) = {
0xDB, 0xA4, 0x51, 0x12, 0x4C, 0xA0, 0xA9, 0x83, 0x68, 0x14, 0xF5, 0xED, 0x95, 0xE3, 0x12, 0x5B};
static const u8 eticket_rsa_kek_source_dev[0x10] __attribute__((aligned(4))) = {
0xBE, 0xC0, 0xBC, 0x8E, 0x75, 0xA0, 0xF6, 0x0C, 0x4A, 0x56, 0x64, 0x02, 0x3E, 0xD4, 0x9C, 0xD5};
static const u8 eticket_rsa_kek_source_legacy[0x10] __attribute__((aligned(4))) = {
0x88, 0x87, 0x50, 0x90, 0xA6, 0x2F, 0x75, 0x70, 0xA2, 0xD7, 0x71, 0x51, 0xAE, 0x6D, 0x39, 0x87};
static const u8 eticket_rsa_kekek_source[0x10] __attribute__((aligned(4))) = {
0x46, 0x6E, 0x57, 0xB7, 0x4A, 0x44, 0x7F, 0x02, 0xF3, 0x21, 0xCD, 0xE5, 0x8F, 0x2F, 0x55, 0x35};
bool test_eticket_rsa_keypair(const eticket_rsa_keypair_t *keypair);
void es_derive_rsa_kek_device_unique(key_storage_t *keys, void *out_rsa_kek, u32 generation, bool is_dev);
void es_derive_rsa_kek_legacy(key_storage_t *keys, void *out_rsa_kek);
void es_derive_rsa_kek_original(key_storage_t *keys, void *out_rsa_kek, bool is_dev);
bool decrypt_eticket_rsa_key(key_storage_t *keys, void *buffer, bool is_dev);
void es_decode_tickets(u32 buf_size, titlekey_buffer_t *titlekey_buffer, u32 remaining, u32 total, u32 *titlekey_count, u32 x, u32 y, u32 *pct, u32 *last_pct, bool is_personalized);
#endif

76
source/keys/es_types.h
View File

@ -1,76 +0,0 @@
/*
* Copyright (c) 2022 shchmue
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _ES_TYPES_H_
#define _ES_TYPES_H_
#include <sec/se_t210.h>
#include <utils/types.h>
typedef struct {
u8 private_exponent[SE_RSA2048_DIGEST_SIZE];
u8 modulus[SE_RSA2048_DIGEST_SIZE];
u32 public_exponent;
u8 reserved[0xC];
} eticket_rsa_keypair_t;
// only tickets of type Rsa2048Sha256 are expected
typedef struct {
u32 signature_type; // always 0x10004
u8 signature[SE_RSA2048_DIGEST_SIZE];
u8 sig_padding[0x3C];
char issuer[0x40];
u8 titlekey_block[SE_RSA2048_DIGEST_SIZE];
u8 format_version;
u8 titlekey_type;
u16 ticket_version;
u8 license_type;
u8 common_key_id;
u16 property_mask;
u64 reserved;
u64 ticket_id;
u64 device_id;
u8 rights_id[0x10];
u32 account_id;
u32 sect_total_size;
u32 sect_hdr_offset;
u16 sect_hdr_count;
u16 sect_hdr_entry_size;
u8 padding[0x140];
} ticket_t;
typedef struct {
u8 rights_id[0x10];
u64 ticket_id;
u32 account_id;
u16 property_mask;
u16 reserved;
} ticket_record_t;
typedef struct {
u8 read_buffer[SZ_256K];
u8 rights_ids[SZ_256K / 0x10][0x10];
u8 titlekeys[SZ_256K / 0x10][0x10];
} titlekey_buffer_t;
typedef struct {
char rights_id[0x20];
char equals[3];
char titlekey[0x20];
char newline[1];
} titlekey_text_buffer_t;
#endif

69
source/keys/fs_crypto.c
View File

@ -1,69 +0,0 @@
/*
* Copyright (c) 2022 shchmue
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "fs_crypto.h"
#include "../config.h"
#include <sec/se_t210.h>
#include <string.h>
extern hekate_config h_cfg;
void fs_derive_bis_keys(key_storage_t *keys, u8 out_bis_keys[4][32], u32 generation) {
if ((!h_cfg.t210b01 && !key_exists(keys->device_key)) || (h_cfg.t210b01 && (!key_exists(keys->master_key[0]) || !key_exists(keys->device_key_4x)))) {
return;
}
generate_specific_aes_key(KS_AES_ECB, keys, out_bis_keys[0], bis_key_sources[0], generation);
u32 access_key[SE_KEY_128_SIZE / 4] = {0};
const u32 option = IS_DEVICE_UNIQUE;
generate_aes_kek(KS_AES_ECB, keys, access_key, bis_kek_source, generation, option);
generate_aes_key(KS_AES_ECB, keys, out_bis_keys[1], sizeof(bis_key_sources[1]), access_key, bis_key_sources[1]);
generate_aes_key(KS_AES_ECB, keys, out_bis_keys[2], sizeof(bis_key_sources[2]), access_key, bis_key_sources[2]);
memcpy(out_bis_keys[3], out_bis_keys[2], sizeof(bis_key_sources[2]));
}
void fs_derive_header_key(key_storage_t *keys, void *out_key) {
if (!key_exists(keys->master_key[0])) {
return;
}
u32 access_key[SE_KEY_128_SIZE / 4] = {0};
const u32 generation = 0;
const u32 option = NOT_DEVICE_UNIQUE;
generate_aes_kek(KS_AES_ECB, keys, access_key, header_kek_source, generation, option);
generate_aes_key(KS_AES_ECB, keys, out_key, sizeof(header_key_source), access_key, header_key_source);
}
void fs_derive_key_area_key(key_storage_t *keys, void *out_key, u32 source_type, u32 generation) {
u32 access_key[SE_KEY_128_SIZE / 4] = {0};
const u32 option = NOT_DEVICE_UNIQUE;
generate_aes_kek(KS_AES_ECB, keys, access_key, key_area_key_sources[source_type], generation + 1, option);
load_aes_key(KS_AES_ECB, out_key, access_key, aes_key_generation_source);
}
void fs_derive_save_mac_key(key_storage_t *keys, void *out_key) {
if ((!h_cfg.t210b01 && !key_exists(keys->device_key)) || (h_cfg.t210b01 && (!key_exists(keys->master_key[0]) || !key_exists(keys->device_key_4x)))) {
return;
}
u32 access_key[SE_KEY_128_SIZE / 4] = {0};
const u32 generation = 0;
const u32 option = IS_DEVICE_UNIQUE;
generate_aes_kek(KS_AES_ECB, keys, access_key, save_mac_kek_source, generation, option);
load_aes_key(KS_AES_ECB, out_key, access_key, save_mac_key_source);
}

74
source/keys/fs_crypto.h
View File

@ -1,74 +0,0 @@
/*
* Copyright (c) 2022 shchmue
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _FS_CRYPTO_H_
#define _FS_CRYPTO_H_
#include "crypto.h"
#include <utils/types.h>
static const u8 bis_kek_source[0x10] __attribute__((aligned(4))) = {
0x34, 0xC1, 0xA0, 0xC4, 0x82, 0x58, 0xF8, 0xB4, 0xFA, 0x9E, 0x5E, 0x6A, 0xDA, 0xFC, 0x7E, 0x4F};
static const u8 bis_key_sources[3][0x20] __attribute__((aligned(4))) = {
{0xF8, 0x3F, 0x38, 0x6E, 0x2C, 0xD2, 0xCA, 0x32, 0xA8, 0x9A, 0xB9, 0xAA, 0x29, 0xBF, 0xC7, 0x48,
0x7D, 0x92, 0xB0, 0x3A, 0xA8, 0xBF, 0xDE, 0xE1, 0xA7, 0x4C, 0x3B, 0x6E, 0x35, 0xCB, 0x71, 0x06},
{0x41, 0x00, 0x30, 0x49, 0xDD, 0xCC, 0xC0, 0x65, 0x64, 0x7A, 0x7E, 0xB4, 0x1E, 0xED, 0x9C, 0x5F,
0x44, 0x42, 0x4E, 0xDA, 0xB4, 0x9D, 0xFC, 0xD9, 0x87, 0x77, 0x24, 0x9A, 0xDC, 0x9F, 0x7C, 0xA4},
{0x52, 0xC2, 0xE9, 0xEB, 0x09, 0xE3, 0xEE, 0x29, 0x32, 0xA1, 0x0C, 0x1F, 0xB6, 0xA0, 0x92, 0x6C,
0x4D, 0x12, 0xE1, 0x4B, 0x2A, 0x47, 0x4C, 0x1C, 0x09, 0xCB, 0x03, 0x59, 0xF0, 0x15, 0xF4, 0xE4}
};
static const u8 header_kek_source[0x10] __attribute__((aligned(4))) = {
0x1F, 0x12, 0x91, 0x3A, 0x4A, 0xCB, 0xF0, 0x0D, 0x4C, 0xDE, 0x3A, 0xF6, 0xD5, 0x23, 0x88, 0x2A};
static const u8 header_key_source[0x20] __attribute__((aligned(4))) = {
0x5A, 0x3E, 0xD8, 0x4F, 0xDE, 0xC0, 0xD8, 0x26, 0x31, 0xF7, 0xE2, 0x5D, 0x19, 0x7B, 0xF5, 0xD0,
0x1C, 0x9B, 0x7B, 0xFA, 0xF6, 0x28, 0x18, 0x3D, 0x71, 0xF6, 0x4D, 0x73, 0xF1, 0x50, 0xB9, 0xD2};
static const u8 key_area_key_sources[3][0x10] __attribute__((aligned(4))) = {
{0x7F, 0x59, 0x97, 0x1E, 0x62, 0x9F, 0x36, 0xA1, 0x30, 0x98, 0x06, 0x6F, 0x21, 0x44, 0xC3, 0x0D}, // application
{0x32, 0x7D, 0x36, 0x08, 0x5A, 0xD1, 0x75, 0x8D, 0xAB, 0x4E, 0x6F, 0xBA, 0xA5, 0x55, 0xD8, 0x82}, // ocean
{0x87, 0x45, 0xF1, 0xBB, 0xA6, 0xBE, 0x79, 0x64, 0x7D, 0x04, 0x8B, 0xA6, 0x7B, 0x5F, 0xDA, 0x4A}, // system
};
static const u8 save_mac_kek_source[0x10] __attribute__((aligned(4))) = {
0xD8, 0x9C, 0x23, 0x6E, 0xC9, 0x12, 0x4E, 0x43, 0xC8, 0x2B, 0x03, 0x87, 0x43, 0xF9, 0xCF, 0x1B};
static const u8 save_mac_key_source[0x10] __attribute__((aligned(4))) = {
0xE4, 0xCD, 0x3D, 0x4A, 0xD5, 0x0F, 0x74, 0x28, 0x45, 0xA4, 0x87, 0xE5, 0xA0, 0x63, 0xEA, 0x1F};
static const u8 save_mac_sd_card_kek_source[0x10] __attribute__((aligned(4))) = {
0x04, 0x89, 0xEF, 0x5D, 0x32, 0x6E, 0x1A, 0x59, 0xC4, 0xB7, 0xAB, 0x8C, 0x36, 0x7A, 0xAB, 0x17};
static const u8 save_mac_sd_card_key_source[0x10] __attribute__((aligned(4))) = {
0x6F, 0x64, 0x59, 0x47, 0xC5, 0x61, 0x46, 0xF9, 0xFF, 0xA0, 0x45, 0xD5, 0x95, 0x33, 0x29, 0x18};
static const u8 sd_card_custom_storage_key_source[0x20] __attribute__((aligned(4))) = {
0x37, 0x0C, 0x34, 0x5E, 0x12, 0xE4, 0xCE, 0xFE, 0x21, 0xB5, 0x8E, 0x64, 0xDB, 0x52, 0xAF, 0x35,
0x4F, 0x2C, 0xA5, 0xA3, 0xFC, 0x99, 0x9A, 0x47, 0xC0, 0x3E, 0xE0, 0x04, 0x48, 0x5B, 0x2F, 0xD0};
static const u8 sd_card_kek_source[0x10] __attribute__((aligned(4))) = {
0x88, 0x35, 0x8D, 0x9C, 0x62, 0x9B, 0xA1, 0xA0, 0x01, 0x47, 0xDB, 0xE0, 0x62, 0x1B, 0x54, 0x32};
static const u8 sd_card_nca_key_source[0x20] __attribute__((aligned(4))) = {
0x58, 0x41, 0xA2, 0x84, 0x93, 0x5B, 0x56, 0x27, 0x8B, 0x8E, 0x1F, 0xC5, 0x18, 0xE9, 0x9F, 0x2B,
0x67, 0xC7, 0x93, 0xF0, 0xF2, 0x4F, 0xDE, 0xD0, 0x75, 0x49, 0x5D, 0xCA, 0x00, 0x6D, 0x99, 0xC2};
static const u8 sd_card_save_key_source[0x20] __attribute__((aligned(4))) = {
0x24, 0x49, 0xB7, 0x22, 0x72, 0x67, 0x03, 0xA8, 0x19, 0x65, 0xE6, 0xE3, 0xEA, 0x58, 0x2F, 0xDD,
0x9A, 0x95, 0x15, 0x17, 0xB1, 0x6E, 0x8F, 0x7F, 0x1F, 0x68, 0x26, 0x31, 0x52, 0xEA, 0x29, 0x6A};
void fs_derive_bis_keys(key_storage_t *keys, u8 out_bis_keys[4][32], u32 generation);
void fs_derive_header_key(key_storage_t *keys, void *out_key);
void fs_derive_key_area_key(key_storage_t *keys, void *out_key, u32 source_type, u32 generation);
void fs_derive_save_mac_key(key_storage_t *keys, void *out_key);
#endif

133
source/keys/key_sources.inl
View File

@ -14,6 +14,21 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>. * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/ */
// Sha256 hash of the null string.
static const u8 null_hash[0x20] __attribute__((aligned(4))) = {
0xE3, 0xB0, 0xC4, 0x42, 0x98, 0xFC, 0x1C, 0x14, 0x9A, 0xFB, 0xF4, 0xC8, 0x99, 0x6F, 0xB9, 0x24,
0x27, 0xAE, 0x41, 0xE4, 0x64, 0x9B, 0x93, 0x4C, 0xA4, 0x95, 0x99, 0x1B, 0x78, 0x52, 0xB8, 0x55};
static const u8 keyblob_key_sources[][0x10] __attribute__((aligned(4))) = {
{0xDF, 0x20, 0x6F, 0x59, 0x44, 0x54, 0xEF, 0xDC, 0x70, 0x74, 0x48, 0x3B, 0x0D, 0xED, 0x9F, 0xD3}, //1.0.0
{0x0C, 0x25, 0x61, 0x5D, 0x68, 0x4C, 0xEB, 0x42, 0x1C, 0x23, 0x79, 0xEA, 0x82, 0x25, 0x12, 0xAC}, //3.0.0
{0x33, 0x76, 0x85, 0xEE, 0x88, 0x4A, 0xAE, 0x0A, 0xC2, 0x8A, 0xFD, 0x7D, 0x63, 0xC0, 0x43, 0x3B}, //3.0.1
{0x2D, 0x1F, 0x48, 0x80, 0xED, 0xEC, 0xED, 0x3E, 0x3C, 0xF2, 0x48, 0xB5, 0x65, 0x7D, 0xF7, 0xBE}, //4.0.0
{0xBB, 0x5A, 0x01, 0xF9, 0x88, 0xAF, 0xF5, 0xFC, 0x6C, 0xFF, 0x07, 0x9E, 0x13, 0x3C, 0x39, 0x80}, //5.0.0
{0xD8, 0xCC, 0xE1, 0x26, 0x6A, 0x35, 0x3F, 0xCC, 0x20, 0xF3, 0x2D, 0x3B, 0x51, 0x7D, 0xE9, 0xC0} //6.0.0
};
//!TODO: Update on mkey changes.
static const u8 master_kek_sources[KB_FIRMWARE_VERSION_MAX - KB_FIRMWARE_VERSION_620 + 1][0x10] __attribute__((aligned(4))) = { static const u8 master_kek_sources[KB_FIRMWARE_VERSION_MAX - KB_FIRMWARE_VERSION_620 + 1][0x10] __attribute__((aligned(4))) = {
{0x37, 0x4B, 0x77, 0x29, 0x59, 0xB4, 0x04, 0x30, 0x81, 0xF6, 0xE5, 0x8C, 0x6D, 0x36, 0x17, 0x9A}, //6.2.0 {0x37, 0x4B, 0x77, 0x29, 0x59, 0xB4, 0x04, 0x30, 0x81, 0xF6, 0xE5, 0x8C, 0x6D, 0x36, 0x17, 0x9A}, //6.2.0
{0x9A, 0x3E, 0xA9, 0xAB, 0xFD, 0x56, 0x46, 0x1C, 0x9B, 0xF6, 0x48, 0x7F, 0x5C, 0xFA, 0x09, 0x5C}, //7.0.0 {0x9A, 0x3E, 0xA9, 0xAB, 0xFD, 0x56, 0x46, 0x1C, 0x9B, 0xF6, 0x48, 0x7F, 0x5C, 0xFA, 0x09, 0x5C}, //7.0.0
@ -24,9 +39,9 @@ static const u8 master_kek_sources[KB_FIRMWARE_VERSION_MAX - KB_FIRMWARE_VERSION
{0x68, 0x3B, 0xCA, 0x54, 0xB8, 0x6F, 0x92, 0x48, 0xC3, 0x05, 0x76, 0x87, 0x88, 0x70, 0x79, 0x23}, //13.0.0 {0x68, 0x3B, 0xCA, 0x54, 0xB8, 0x6F, 0x92, 0x48, 0xC3, 0x05, 0x76, 0x87, 0x88, 0x70, 0x79, 0x23}, //13.0.0
{0xF0, 0x13, 0x37, 0x9A, 0xD5, 0x63, 0x51, 0xC3, 0xB4, 0x96, 0x35, 0xBC, 0x9C, 0xE8, 0x76, 0x81}, //14.0.0 {0xF0, 0x13, 0x37, 0x9A, 0xD5, 0x63, 0x51, 0xC3, 0xB4, 0x96, 0x35, 0xBC, 0x9C, 0xE8, 0x76, 0x81}, //14.0.0
{0x6E, 0x77, 0x86, 0xAC, 0x83, 0x0A, 0x8D, 0x3E, 0x7D, 0xB7, 0x66, 0xA0, 0x22, 0xB7, 0x6E, 0x67}, //15.0.0 {0x6E, 0x77, 0x86, 0xAC, 0x83, 0x0A, 0x8D, 0x3E, 0x7D, 0xB7, 0x66, 0xA0, 0x22, 0xB7, 0x6E, 0x67}, //15.0.0
{0x99, 0x22, 0x09, 0x57, 0xA7, 0xF9, 0x5E, 0x94, 0xFE, 0x78, 0x7F, 0x41, 0xD6, 0xE7, 0x56, 0xE6}, //16.0.0 };
}; //!TODO: Update on mkey changes.
//!TODO: Update on mkey changes.
static const u8 master_key_vectors[KB_FIRMWARE_VERSION_MAX + 1][0x10] __attribute__((aligned(4))) = { static const u8 master_key_vectors[KB_FIRMWARE_VERSION_MAX + 1][0x10] __attribute__((aligned(4))) = {
{0x0C, 0xF0, 0x59, 0xAC, 0x85, 0xF6, 0x26, 0x65, 0xE1, 0xE9, 0x19, 0x55, 0xE6, 0xF2, 0x67, 0x3D}, /* Zeroes encrypted with Master Key 00. */ {0x0C, 0xF0, 0x59, 0xAC, 0x85, 0xF6, 0x26, 0x65, 0xE1, 0xE9, 0x19, 0x55, 0xE6, 0xF2, 0x67, 0x3D}, /* Zeroes encrypted with Master Key 00. */
{0x29, 0x4C, 0x04, 0xC8, 0xEB, 0x10, 0xED, 0x9D, 0x51, 0x64, 0x97, 0xFB, 0xF3, 0x4D, 0x50, 0xDD}, /* Master key 00 encrypted with Master key 01. */ {0x29, 0x4C, 0x04, 0xC8, 0xEB, 0x10, 0xED, 0x9D, 0x51, 0x64, 0x97, 0xFB, 0xF3, 0x4D, 0x50, 0xDD}, /* Master key 00 encrypted with Master key 01. */
@ -43,9 +58,9 @@ static const u8 master_key_vectors[KB_FIRMWARE_VERSION_MAX + 1][0x10] __attribut
{0xA3, 0x24, 0x65, 0x75, 0xEA, 0xCC, 0x6E, 0x8D, 0xFB, 0x5A, 0x16, 0x50, 0x74, 0xD2, 0x15, 0x06}, /* Master key 0B encrypted with Master key 0C. */ {0xA3, 0x24, 0x65, 0x75, 0xEA, 0xCC, 0x6E, 0x8D, 0xFB, 0x5A, 0x16, 0x50, 0x74, 0xD2, 0x15, 0x06}, /* Master key 0B encrypted with Master key 0C. */
{0x83, 0x67, 0xAF, 0x01, 0xCF, 0x93, 0xA1, 0xAB, 0x80, 0x45, 0xF7, 0x3F, 0x72, 0xFD, 0x3B, 0x38}, /* Master key 0C encrypted with Master key 0D. */ {0x83, 0x67, 0xAF, 0x01, 0xCF, 0x93, 0xA1, 0xAB, 0x80, 0x45, 0xF7, 0x3F, 0x72, 0xFD, 0x3B, 0x38}, /* Master key 0C encrypted with Master key 0D. */
{0xB1, 0x81, 0xA6, 0x0D, 0x72, 0xC7, 0xEE, 0x15, 0x21, 0xF3, 0xC0, 0xB5, 0x6B, 0x61, 0x6D, 0xE7}, /* Master key 0D encrypted with Master key 0E. */ {0xB1, 0x81, 0xA6, 0x0D, 0x72, 0xC7, 0xEE, 0x15, 0x21, 0xF3, 0xC0, 0xB5, 0x6B, 0x61, 0x6D, 0xE7}, /* Master key 0D encrypted with Master key 0E. */
{0xAF, 0x11, 0x4C, 0x67, 0x17, 0x7A, 0x52, 0x43, 0xF7, 0x70, 0x2F, 0xC7, 0xEF, 0x81, 0x72, 0x16}, /* Master key 0E encrypted with Master key 0F. */ };
}; //!TODO: Update on mkey changes.
//!TODO: Update on mkey changes.
static const u8 master_key_vectors_dev[KB_FIRMWARE_VERSION_MAX + 1][0x10] __attribute__((aligned(4))) = { static const u8 master_key_vectors_dev[KB_FIRMWARE_VERSION_MAX + 1][0x10] __attribute__((aligned(4))) = {
{0x46, 0x22, 0xB4, 0x51, 0x9A, 0x7E, 0xA7, 0x7F, 0x62, 0xA1, 0x1F, 0x8F, 0xC5, 0x3A, 0xDB, 0xFE}, /* Zeroes encrypted with Master Key 00. */ {0x46, 0x22, 0xB4, 0x51, 0x9A, 0x7E, 0xA7, 0x7F, 0x62, 0xA1, 0x1F, 0x8F, 0xC5, 0x3A, 0xDB, 0xFE}, /* Zeroes encrypted with Master Key 00. */
{0x39, 0x33, 0xF9, 0x31, 0xBA, 0xE4, 0xA7, 0x21, 0x2C, 0xDD, 0xB7, 0xD8, 0xB4, 0x4E, 0x37, 0x23}, /* Master key 00 encrypted with Master key 01. */ {0x39, 0x33, 0xF9, 0x31, 0xBA, 0xE4, 0xA7, 0x21, 0x2C, 0xDD, 0xB7, 0xD8, 0xB4, 0x4E, 0x37, 0x23}, /* Master key 00 encrypted with Master key 01. */
@ -62,8 +77,7 @@ static const u8 master_key_vectors_dev[KB_FIRMWARE_VERSION_MAX + 1][0x10] __attr
{0x8A, 0xCE, 0xC4, 0x7F, 0xBE, 0x08, 0x61, 0x88, 0xD3, 0x73, 0x64, 0x51, 0xE2, 0xB6, 0x53, 0x15}, /* Master key 0B encrypted with Master key 0C. */ {0x8A, 0xCE, 0xC4, 0x7F, 0xBE, 0x08, 0x61, 0x88, 0xD3, 0x73, 0x64, 0x51, 0xE2, 0xB6, 0x53, 0x15}, /* Master key 0B encrypted with Master key 0C. */
{0x08, 0xE0, 0xF4, 0xBE, 0xAA, 0x6E, 0x5A, 0xC3, 0xA6, 0xBC, 0xFE, 0xB9, 0xE2, 0xA3, 0x24, 0x12}, /* Master key 0C encrypted with Master key 0D. */ {0x08, 0xE0, 0xF4, 0xBE, 0xAA, 0x6E, 0x5A, 0xC3, 0xA6, 0xBC, 0xFE, 0xB9, 0xE2, 0xA3, 0x24, 0x12}, /* Master key 0C encrypted with Master key 0D. */
{0xD6, 0x80, 0x98, 0xC0, 0xFA, 0xC7, 0x13, 0xCB, 0x93, 0xD2, 0x0B, 0x82, 0x4C, 0xA1, 0x7B, 0x8D}, /* Master key 0D encrypted with Master key 0E. */ {0xD6, 0x80, 0x98, 0xC0, 0xFA, 0xC7, 0x13, 0xCB, 0x93, 0xD2, 0x0B, 0x82, 0x4C, 0xA1, 0x7B, 0x8D}, /* Master key 0D encrypted with Master key 0E. */
{0x78, 0x66, 0x19, 0xBD, 0x86, 0xE7, 0xC1, 0x09, 0x9B, 0x6F, 0x92, 0xB2, 0x58, 0x7D, 0xCF, 0x26}, /* Master key 0E encrypted with Master key 0F. */ };
}; //!TODO: Update on mkey changes.
static const u8 mariko_key_vectors[][0x10] __attribute__((aligned(4))) = { static const u8 mariko_key_vectors[][0x10] __attribute__((aligned(4))) = {
{0x20, 0x9E, 0x97, 0xAE, 0xAF, 0x7E, 0x6A, 0xF6, 0x9E, 0xF5, 0xA7, 0x17, 0x2F, 0xF4, 0x49, 0xA6}, /* Zeroes encrypted with AES Class Key 00. */ {0x20, 0x9E, 0x97, 0xAE, 0xAF, 0x7E, 0x6A, 0xF6, 0x9E, 0xF5, 0xA7, 0x17, 0x2F, 0xF4, 0x49, 0xA6}, /* Zeroes encrypted with AES Class Key 00. */
@ -82,22 +96,16 @@ static const u8 mariko_key_vectors[][0x10] __attribute__((aligned(4))) = {
{0x95, 0x48, 0xC1, 0x59, 0x0F, 0x84, 0x19, 0xC4, 0xAB, 0x69, 0x05, 0x88, 0x01, 0x31, 0x52, 0x59}, /* Zeroes encrypted with Mariko BEK. */ {0x95, 0x48, 0xC1, 0x59, 0x0F, 0x84, 0x19, 0xC4, 0xAB, 0x69, 0x05, 0x88, 0x01, 0x31, 0x52, 0x59}, /* Zeroes encrypted with Mariko BEK. */
}; };
//======================================Keys======================================//
// from Package1 -> Secure_Monitor
static const u8 package2_key_source[0x10] __attribute__((aligned(4))) = { static const u8 package2_key_source[0x10] __attribute__((aligned(4))) = {
0xFB, 0x8B, 0x6A, 0x9C, 0x79, 0x00, 0xC8, 0x49, 0xEF, 0xD2, 0x4D, 0x85, 0x4D, 0x30, 0xA0, 0xC7}; 0xFB, 0x8B, 0x6A, 0x9C, 0x79, 0x00, 0xC8, 0x49, 0xEF, 0xD2, 0x4D, 0x85, 0x4D, 0x30, 0xA0, 0xC7};
static const u8 titlekek_source[0x10] __attribute__((aligned(4))) = { static const u8 titlekek_source[0x10] __attribute__((aligned(4))) = {
0x1E, 0xDC, 0x7B, 0x3B, 0x60, 0xE6, 0xB4, 0xD8, 0x78, 0xB8, 0x17, 0x15, 0x98, 0x5E, 0x62, 0x9B}; 0x1E, 0xDC, 0x7B, 0x3B, 0x60, 0xE6, 0xB4, 0xD8, 0x78, 0xB8, 0x17, 0x15, 0x98, 0x5E, 0x62, 0x9B};
static const u8 keyblob_key_sources[][0x10] __attribute__((aligned(4))) = { // from Package1ldr (or Secure_Monitor on 6.2.0+)
{0xDF, 0x20, 0x6F, 0x59, 0x44, 0x54, 0xEF, 0xDC, 0x70, 0x74, 0x48, 0x3B, 0x0D, 0xED, 0x9F, 0xD3}, //1.0.0
{0x0C, 0x25, 0x61, 0x5D, 0x68, 0x4C, 0xEB, 0x42, 0x1C, 0x23, 0x79, 0xEA, 0x82, 0x25, 0x12, 0xAC}, //3.0.0
{0x33, 0x76, 0x85, 0xEE, 0x88, 0x4A, 0xAE, 0x0A, 0xC2, 0x8A, 0xFD, 0x7D, 0x63, 0xC0, 0x43, 0x3B}, //3.0.1
{0x2D, 0x1F, 0x48, 0x80, 0xED, 0xEC, 0xED, 0x3E, 0x3C, 0xF2, 0x48, 0xB5, 0x65, 0x7D, 0xF7, 0xBE}, //4.0.0
{0xBB, 0x5A, 0x01, 0xF9, 0x88, 0xAF, 0xF5, 0xFC, 0x6C, 0xFF, 0x07, 0x9E, 0x13, 0x3C, 0x39, 0x80}, //5.0.0
{0xD8, 0xCC, 0xE1, 0x26, 0x6A, 0x35, 0x3F, 0xCC, 0x20, 0xF3, 0x2D, 0x3B, 0x51, 0x7D, 0xE9, 0xC0} //6.0.0
};
static const u8 keyblob_mac_key_source[0x10] __attribute__((aligned(4))) = { static const u8 keyblob_mac_key_source[0x10] __attribute__((aligned(4))) = {
0x59, 0xC7, 0xFB, 0x6F, 0xBE, 0x9B, 0xBE, 0x87, 0x65, 0x6B, 0x15, 0xC0, 0x53, 0x73, 0x36, 0xA5}; 0x59, 0xC7, 0xFB, 0x6F, 0xBE, 0x9B, 0xBE, 0x87, 0x65, 0x6B, 0x15, 0xC0, 0x53, 0x73, 0x36, 0xA5};
static const u8 master_key_source[0x10] __attribute__((aligned(4))) = { static const u8 master_key_source[0x10] __attribute__((aligned(4))) = {
0xD8, 0xA2, 0x41, 0x0A, 0xC6, 0xC5, 0x90, 0x01, 0xC6, 0x1D, 0x6A, 0x26, 0x7C, 0x51, 0x3F, 0x3C}; 0xD8, 0xA2, 0x41, 0x0A, 0xC6, 0xC5, 0x90, 0x01, 0xC6, 0x1D, 0x6A, 0x26, 0x7C, 0x51, 0x3F, 0x3C};
static const u8 per_console_key_source[0x10] __attribute__((aligned(4))) = { static const u8 per_console_key_source[0x10] __attribute__((aligned(4))) = {
@ -115,7 +123,6 @@ static const u8 mariko_master_kek_sources[KB_FIRMWARE_VERSION_MAX - KB_FIRMWARE_
{0x52, 0x71, 0x9B, 0xDF, 0xA7, 0x8B, 0x61, 0xD8, 0xD5, 0x85, 0x11, 0xE4, 0x8E, 0x4F, 0x74, 0xC6}, // 13.0.0. {0x52, 0x71, 0x9B, 0xDF, 0xA7, 0x8B, 0x61, 0xD8, 0xD5, 0x85, 0x11, 0xE4, 0x8E, 0x4F, 0x74, 0xC6}, // 13.0.0.
{0xD2, 0x68, 0xC6, 0x53, 0x9D, 0x94, 0xF9, 0xA8, 0xA5, 0xA8, 0xA7, 0xC8, 0x8F, 0x53, 0x4B, 0x7A}, // 14.0.0. {0xD2, 0x68, 0xC6, 0x53, 0x9D, 0x94, 0xF9, 0xA8, 0xA5, 0xA8, 0xA7, 0xC8, 0x8F, 0x53, 0x4B, 0x7A}, // 14.0.0.
{0xEC, 0x61, 0xBC, 0x82, 0x1E, 0x0F, 0x5A, 0xC3, 0x2B, 0x64, 0x3F, 0x9D, 0xD6, 0x19, 0x22, 0x2D}, // 15.0.0. {0xEC, 0x61, 0xBC, 0x82, 0x1E, 0x0F, 0x5A, 0xC3, 0x2B, 0x64, 0x3F, 0x9D, 0xD6, 0x19, 0x22, 0x2D}, // 15.0.0.
{0xA5, 0xEC, 0x16, 0x39, 0x1A, 0x30, 0x16, 0x08, 0x2E, 0xCF, 0x09, 0x6F, 0x5E, 0x7C, 0xEE, 0xA9}, // 16.0.0.
}; //!TODO: Update on mkey changes. }; //!TODO: Update on mkey changes.
static const u8 mariko_master_kek_sources_dev[KB_FIRMWARE_VERSION_MAX - KB_FIRMWARE_VERSION_600 + 1][0x10] __attribute__((aligned(4))) = { static const u8 mariko_master_kek_sources_dev[KB_FIRMWARE_VERSION_MAX - KB_FIRMWARE_VERSION_600 + 1][0x10] __attribute__((aligned(4))) = {
{0x32, 0xC0, 0x97, 0x6B, 0x63, 0x6D, 0x44, 0x64, 0xF2, 0x3A, 0xA5, 0xC0, 0xDE, 0x46, 0xCC, 0xE9}, // 6.0.0. {0x32, 0xC0, 0x97, 0x6B, 0x63, 0x6D, 0x44, 0x64, 0xF2, 0x3A, 0xA5, 0xC0, 0xDE, 0x46, 0xCC, 0xE9}, // 6.0.0.
@ -128,5 +135,97 @@ static const u8 mariko_master_kek_sources_dev[KB_FIRMWARE_VERSION_MAX - KB_FIRMW
{0x4D, 0x5A, 0xB2, 0xC9, 0xE9, 0xE4, 0x4E, 0xA4, 0xD3, 0xBF, 0x94, 0x12, 0x36, 0x30, 0xD0, 0x7F}, // 13.0.0. {0x4D, 0x5A, 0xB2, 0xC9, 0xE9, 0xE4, 0x4E, 0xA4, 0xD3, 0xBF, 0x94, 0x12, 0x36, 0x30, 0xD0, 0x7F}, // 13.0.0.
{0xEC, 0x5E, 0xB5, 0x11, 0xD5, 0x43, 0x1E, 0x6A, 0x4E, 0x54, 0x6F, 0xD4, 0xD3, 0x22, 0xCE, 0x87}, // 14.0.0. {0xEC, 0x5E, 0xB5, 0x11, 0xD5, 0x43, 0x1E, 0x6A, 0x4E, 0x54, 0x6F, 0xD4, 0xD3, 0x22, 0xCE, 0x87}, // 14.0.0.
{0x18, 0xA5, 0x6F, 0xEF, 0x72, 0x11, 0x62, 0xC5, 0x1A, 0x14, 0xF1, 0x8C, 0x21, 0x83, 0x27, 0xB7}, // 15.0.0. {0x18, 0xA5, 0x6F, 0xEF, 0x72, 0x11, 0x62, 0xC5, 0x1A, 0x14, 0xF1, 0x8C, 0x21, 0x83, 0x27, 0xB7}, // 15.0.0.
{0x3A, 0x9C, 0xF0, 0x39, 0x70, 0x23, 0xF6, 0xAF, 0x71, 0x44, 0x60, 0xF4, 0x6D, 0xED, 0xA1, 0xD6}, // 16.0.0.
}; //!TODO: Update on mkey changes. }; //!TODO: Update on mkey changes.
// from ES
static const u8 eticket_rsa_kek_source[0x10] __attribute__((aligned(4))) = {
0XDB, 0XA4, 0X51, 0X12, 0X4C, 0XA0, 0XA9, 0X83, 0X68, 0X14, 0XF5, 0XED, 0X95, 0XE3, 0X12, 0X5B};
static const u8 eticket_rsa_kek_source_dev[0x10] __attribute__((aligned(4))) = {
0xBE, 0xC0, 0xBC, 0x8E, 0x75, 0xA0, 0xF6, 0x0C, 0x4A, 0x56, 0x64, 0x02, 0x3E, 0xD4, 0x9C, 0xD5};
static const u8 eticket_rsa_kek_source_legacy[0x10] __attribute__((aligned(4))) = {
0x88, 0x87, 0x50, 0x90, 0xA6, 0x2F, 0x75, 0x70, 0xA2, 0xD7, 0x71, 0x51, 0xAE, 0x6D, 0x39, 0x87};
static const u8 eticket_rsa_kekek_source[0x10] __attribute__((aligned(4))) = {
0X46, 0X6E, 0X57, 0XB7, 0X4A, 0X44, 0X7F, 0X02, 0XF3, 0X21, 0XCD, 0XE5, 0X8F, 0X2F, 0X55, 0X35};
// from SSL
static const u8 ssl_rsa_kekek_source[0x10] __attribute__((aligned(4))) = {
0X7F, 0X5B, 0XB0, 0X84, 0X7B, 0X25, 0XAA, 0X67, 0XFA, 0XC8, 0X4B, 0XE2, 0X3D, 0X7B, 0X69, 0X03};
static const u8 ssl_rsa_kek_source[0x10] __attribute__((aligned(4))) = {
0X9A, 0X38, 0X3B, 0XF4, 0X31, 0XD0, 0XBD, 0X81, 0X32, 0X53, 0X4B, 0XA9, 0X64, 0X39, 0X7D, 0XE3};
static const u8 ssl_rsa_kek_source_dev[0x10] __attribute__((aligned(4))) = {
0xD5, 0xD2, 0xFC, 0x00, 0xFD, 0x49, 0xDD, 0xF8, 0xEE, 0x7B, 0xC4, 0x4B, 0xE1, 0x4C, 0xAA, 0x99};
static const u8 ssl_rsa_kek_source_legacy[0x10] __attribute__((aligned(4))) = {
0xED, 0x36, 0xB1, 0x32, 0x27, 0x17, 0xD2, 0xB0, 0xBA, 0x1F, 0xC1, 0xBD, 0x4D, 0x38, 0x0F, 0x5E};
static const u8 ssl_client_cert_kek_source[0x10] __attribute__((aligned(4))) = {
0x64, 0xB8, 0x30, 0xDD, 0x0F, 0x3C, 0xB7, 0xFB, 0x4C, 0x16, 0x01, 0x97, 0xEA, 0x9D, 0x12, 0x10};
static const u8 ssl_client_cert_key_source[0x10] __attribute__((aligned(4))) = {
0x4D, 0x92, 0x5A, 0x69, 0x42, 0x23, 0xBB, 0x92, 0x59, 0x16, 0x3E, 0x51, 0x8C, 0x78, 0x14, 0x0F};
// from FS
static const u8 bis_kek_source[0x10] __attribute__((aligned(4))) = {
0x34, 0xC1, 0xA0, 0xC4, 0x82, 0x58, 0xF8, 0xB4, 0xFA, 0x9E, 0x5E, 0x6A, 0xDA, 0xFC, 0x7E, 0x4F};
static const u8 bis_key_sources[3][0x20] __attribute__((aligned(4))) = {
{0xF8, 0x3F, 0x38, 0x6E, 0x2C, 0xD2, 0xCA, 0x32, 0xA8, 0x9A, 0xB9, 0xAA, 0x29, 0xBF, 0xC7, 0x48,
0x7D, 0x92, 0xB0, 0x3A, 0xA8, 0xBF, 0xDE, 0xE1, 0xA7, 0x4C, 0x3B, 0x6E, 0x35, 0xCB, 0x71, 0x06},
{0x41, 0x00, 0x30, 0x49, 0xDD, 0xCC, 0xC0, 0x65, 0x64, 0x7A, 0x7E, 0xB4, 0x1E, 0xED, 0x9C, 0x5F,
0x44, 0x42, 0x4E, 0xDA, 0xB4, 0x9D, 0xFC, 0xD9, 0x87, 0x77, 0x24, 0x9A, 0xDC, 0x9F, 0x7C, 0xA4},
{0x52, 0xC2, 0xE9, 0xEB, 0x09, 0xE3, 0xEE, 0x29, 0x32, 0xA1, 0x0C, 0x1F, 0xB6, 0xA0, 0x92, 0x6C,
0x4D, 0x12, 0xE1, 0x4B, 0x2A, 0x47, 0x4C, 0x1C, 0x09, 0xCB, 0x03, 0x59, 0xF0, 0x15, 0xF4, 0xE4}
};
static const u8 header_kek_source[0x10] __attribute__((aligned(4))) = {
0x1F, 0x12, 0x91, 0x3A, 0x4A, 0xCB, 0xF0, 0x0D, 0x4C, 0xDE, 0x3A, 0xF6, 0xD5, 0x23, 0x88, 0x2A};
static const u8 header_key_source[0x20] __attribute__((aligned(4))) = {
0x5A, 0x3E, 0xD8, 0x4F, 0xDE, 0xC0, 0xD8, 0x26, 0x31, 0xF7, 0xE2, 0x5D, 0x19, 0x7B, 0xF5, 0xD0,
0x1C, 0x9B, 0x7B, 0xFA, 0xF6, 0x28, 0x18, 0x3D, 0x71, 0xF6, 0x4D, 0x73, 0xF1, 0x50, 0xB9, 0xD2};
static const u8 key_area_key_sources[3][0x10] __attribute__((aligned(4))) = {
{0x7F, 0x59, 0x97, 0x1E, 0x62, 0x9F, 0x36, 0xA1, 0x30, 0x98, 0x06, 0x6F, 0x21, 0x44, 0xC3, 0x0D}, // application
{0x32, 0x7D, 0x36, 0x08, 0x5A, 0xD1, 0x75, 0x8D, 0xAB, 0x4E, 0x6F, 0xBA, 0xA5, 0x55, 0xD8, 0x82}, // ocean
{0x87, 0x45, 0xF1, 0xBB, 0xA6, 0xBE, 0x79, 0x64, 0x7D, 0x04, 0x8B, 0xA6, 0x7B, 0x5F, 0xDA, 0x4A}, // system
};
static const u8 save_mac_kek_source[0x10] __attribute__((aligned(4))) = {
0XD8, 0X9C, 0X23, 0X6E, 0XC9, 0X12, 0X4E, 0X43, 0XC8, 0X2B, 0X03, 0X87, 0X43, 0XF9, 0XCF, 0X1B};
static const u8 save_mac_key_source[0x10] __attribute__((aligned(4))) = {
0XE4, 0XCD, 0X3D, 0X4A, 0XD5, 0X0F, 0X74, 0X28, 0X45, 0XA4, 0X87, 0XE5, 0XA0, 0X63, 0XEA, 0X1F};
static const u8 save_mac_sd_card_kek_source[0x10] __attribute__((aligned(4))) = {
0X04, 0X89, 0XEF, 0X5D, 0X32, 0X6E, 0X1A, 0X59, 0XC4, 0XB7, 0XAB, 0X8C, 0X36, 0X7A, 0XAB, 0X17};
static const u8 save_mac_sd_card_key_source[0x10] __attribute__((aligned(4))) = {
0X6F, 0X64, 0X59, 0X47, 0XC5, 0X61, 0X46, 0XF9, 0XFF, 0XA0, 0X45, 0XD5, 0X95, 0X33, 0X29, 0X18};
static const u8 sd_card_custom_storage_key_source[0x20] __attribute__((aligned(4))) = {
0X37, 0X0C, 0X34, 0X5E, 0X12, 0XE4, 0XCE, 0XFE, 0X21, 0XB5, 0X8E, 0X64, 0XDB, 0X52, 0XAF, 0X35,
0X4F, 0X2C, 0XA5, 0XA3, 0XFC, 0X99, 0X9A, 0X47, 0XC0, 0X3E, 0XE0, 0X04, 0X48, 0X5B, 0X2F, 0XD0};
static const u8 sd_card_kek_source[0x10] __attribute__((aligned(4))) = {
0X88, 0X35, 0X8D, 0X9C, 0X62, 0X9B, 0XA1, 0XA0, 0X01, 0X47, 0XDB, 0XE0, 0X62, 0X1B, 0X54, 0X32};
static const u8 sd_card_nca_key_source[0x20] __attribute__((aligned(4))) = {
0X58, 0X41, 0XA2, 0X84, 0X93, 0X5B, 0X56, 0X27, 0X8B, 0X8E, 0X1F, 0XC5, 0X18, 0XE9, 0X9F, 0X2B,
0X67, 0XC7, 0X93, 0XF0, 0XF2, 0X4F, 0XDE, 0XD0, 0X75, 0X49, 0X5D, 0XCA, 0X00, 0X6D, 0X99, 0XC2};
static const u8 sd_card_save_key_source[0x20] __attribute__((aligned(4))) = {
0X24, 0X49, 0XB7, 0X22, 0X72, 0X67, 0X03, 0XA8, 0X19, 0X65, 0XE6, 0XE3, 0XEA, 0X58, 0X2F, 0XDD,
0X9A, 0X95, 0X15, 0X17, 0XB1, 0X6E, 0X8F, 0X7F, 0X1F, 0X68, 0X26, 0X31, 0X52, 0XEA, 0X29, 0X6A};
// from NFC
static const u8 nfc_key_source[0x10] __attribute__((aligned(4))) = {
0x83, 0xF6, 0xEF, 0xD8, 0x13, 0x26, 0x49, 0xAB, 0x97, 0x5F, 0xEA, 0xBA, 0x65, 0x71, 0xCA, 0xCA};
static const u8 encrypted_nfc_keys[0x80] __attribute__((aligned(4))) = {
0x76, 0x50, 0x87, 0x02, 0x40, 0xA6, 0x5A, 0x98, 0xCE, 0x39, 0x2F, 0xC8, 0x83, 0xAF, 0x54, 0x76,
0x28, 0xFF, 0x50, 0xFC, 0xC1, 0xFB, 0x26, 0x14, 0xA2, 0x4A, 0xA6, 0x74, 0x90, 0xA4, 0x37, 0x06,
0x03, 0x63, 0xC2, 0xB1, 0xAF, 0x9F, 0xF7, 0x07, 0xFC, 0x8A, 0xB9, 0xCA, 0x28, 0x68, 0x6E, 0xF7,
0x42, 0xCD, 0x68, 0x13, 0xCD, 0x7B, 0x3A, 0x60, 0x3E, 0x8B, 0xAB, 0x3A, 0xCC, 0xED, 0xE0, 0xDD,
0x71, 0x1F, 0xA5, 0xDE, 0xB8, 0xB1, 0xF5, 0x1D, 0x14, 0x73, 0xBE, 0x27, 0xCC, 0xA1, 0x9B, 0x23,
0x06, 0x91, 0x89, 0x05, 0xED, 0xD6, 0x92, 0x76, 0x3F, 0x42, 0xFB, 0xD1, 0x8F, 0x2D, 0x6D, 0x72,
0xC8, 0x9E, 0x48, 0xE8, 0x03, 0x64, 0xF0, 0x3C, 0x0E, 0x2A, 0xF1, 0x26, 0x83, 0x02, 0x4F, 0xE2,
0x41, 0xAA, 0xC8, 0x33, 0x68, 0x84, 0x3A, 0xFB, 0x87, 0x18, 0xEA, 0xF7, 0x36, 0xA2, 0x4E, 0xA9};
static const u8 encrypted_nfc_keys_dev[0x80] __attribute__((aligned(4))) = {
0x13, 0xB0, 0xFB, 0xC2, 0x91, 0x6D, 0x6E, 0x5A, 0x10, 0x31, 0x40, 0xB7, 0xDF, 0xCF, 0x69, 0x69,
0xB0, 0xFA, 0xAE, 0x7F, 0xB2, 0x4D, 0x27, 0xC9, 0xE9, 0x3F, 0x5B, 0x38, 0x39, 0x24, 0x98, 0xCE,
0xED, 0xD2, 0xA9, 0x6C, 0x6F, 0xA7, 0x72, 0xD7, 0x11, 0x31, 0x17, 0x93, 0x12, 0x49, 0x32, 0x85,
0x21, 0xE5, 0xE1, 0x88, 0x0F, 0x08, 0xF2, 0x30, 0x5C, 0xC3, 0xAA, 0xFF, 0xC0, 0xAB, 0x21, 0x96,
0x74, 0x39, 0xED, 0xE0, 0x5A, 0xB6, 0x75, 0xC2, 0x3B, 0x08, 0x61, 0xE4, 0xA7, 0xD6, 0xED, 0x8C,
0xA9, 0x02, 0x12, 0xA6, 0xCC, 0x27, 0x4C, 0x1C, 0x41, 0x9C, 0xD8, 0x4C, 0x00, 0xC7, 0x5B, 0x5D,
0xED, 0xC2, 0x3D, 0x5E, 0x00, 0xF5, 0x49, 0xFA, 0x6C, 0x75, 0x67, 0xCF, 0x1F, 0x73, 0x1A, 0xE8,
0x47, 0xD4, 0x3D, 0x9B, 0x83, 0x5B, 0x18, 0x2F, 0x95, 0xA9, 0x04, 0xBC, 0x2E, 0xBB, 0x64, 0x4A};
static const u8 nfc_blob_hash[0x20] __attribute__((aligned(4))) = {
0x7F, 0x92, 0x83, 0x65, 0x4E, 0xC1, 0x09, 0x7F, 0xBD, 0xFF, 0x31, 0xDE, 0x94, 0x66, 0x51, 0xAE,
0x60, 0xC2, 0x85, 0x4A, 0xFB, 0x54, 0x4A, 0xBE, 0x89, 0x63, 0xD3, 0x89, 0x63, 0x9C, 0x71, 0x0E};
static const u8 nfc_blob_hash_dev[0x20] __attribute__((aligned(4))) = {
0x4E, 0x36, 0x59, 0x1C, 0x75, 0x80, 0x23, 0x03, 0x98, 0x2D, 0x45, 0xD9, 0x85, 0xB8, 0x60, 0x18,
0x7C, 0x85, 0x37, 0x9B, 0xCB, 0xBA, 0xF3, 0xDC, 0x25, 0x38, 0x73, 0xDB, 0x2F, 0xFA, 0xAE, 0x26};

567
source/keys/keys.c
View File

@ -16,10 +16,10 @@
#include "keys.h" #include "keys.h"
#include "es_crypto.h" #include "cal0_read.h"
#include "fs_crypto.h" #include "gmac.h"
#include "nfc_crypto.h"
#include "ssl_crypto.h" #include "../../keygen/tsec_keygen.h"
#include "../config.h" #include "../config.h"
#include <display/di.h> #include <display/di.h>
@ -35,7 +35,9 @@
#include <mem/sdram.h> #include <mem/sdram.h>
#include <sec/se.h> #include <sec/se.h>
#include <sec/se_t210.h> #include <sec/se_t210.h>
#include <sec/tsec.h>
#include <soc/fuse.h> #include <soc/fuse.h>
#include <mem/smmu.h>
#include <soc/t210.h> #include <soc/t210.h>
#include "../storage/emummc.h" #include "../storage/emummc.h"
#include "../storage/nx_emmc.h" #include "../storage/nx_emmc.h"
@ -57,53 +59,49 @@ static u32 _key_count = 0, _titlekey_count = 0;
static u32 start_time, end_time; static u32 start_time, end_time;
u32 color_idx = 0; u32 color_idx = 0;
static void _save_key(const char *name, const void *data, u32 len, char *outbuf) { // key functions
if (!key_exists(data)) static int _key_exists(const void *data) { return memcmp(data, "\x00\x00\x00\x00\x00\x00\x00\x00", 8) != 0; };
return; static void _save_key(const char *name, const void *data, u32 len, char *outbuf);
u32 pos = strlen(outbuf); static void _save_key_family(const char *name, const void *data, u32 start_key, u32 num_keys, u32 len, char *outbuf);
pos += s_printf(&outbuf[pos], "%s = ", name);
for (u32 i = 0; i < len; i++)
pos += s_printf(&outbuf[pos], "%02x", *(u8*)(data + i));
s_printf(&outbuf[pos], "\n");
_key_count++;
}
static void _save_key_family(const char *name, const void *data, u32 start_key, u32 num_keys, u32 len, char *outbuf) { static void _derive_master_key_mariko(key_storage_t *keys, bool is_dev) {
char *temp_name = calloc(1, 0x40);
for (u32 i = 0; i < num_keys; i++) {
s_printf(temp_name, "%s_%02x", name, i + start_key);
_save_key(temp_name, data + i * len, len, outbuf);
}
free(temp_name);
}
static void _derive_master_keys_mariko(key_storage_t *keys, bool is_dev) {
minerva_periodic_training();
// Relies on the SBK being properly set in slot 14 // Relies on the SBK being properly set in slot 14
se_aes_crypt_block_ecb(KS_SECURE_BOOT, DECRYPT, keys->device_key_4x, device_master_key_source_kek_source); se_aes_crypt_block_ecb(KS_SECURE_BOOT, DECRYPT, keys->device_key_4x, device_master_key_source_kek_source);
// Derive all master keys based on Mariko KEK // Derive all master keys based on Mariko KEK
for (u32 i = KB_FIRMWARE_VERSION_600; i < ARRAY_SIZE(mariko_master_kek_sources) + KB_FIRMWARE_VERSION_600; i++) { for (u32 i = KB_FIRMWARE_VERSION_600; i < ARRAY_SIZE(mariko_master_kek_sources) + KB_FIRMWARE_VERSION_600; i++) {
// Relies on the Mariko KEK being properly set in slot 12 // Relies on the Mariko KEK being properly set in slot 12
u32 kek_source_index = i - KB_FIRMWARE_VERSION_600; se_aes_crypt_block_ecb(KS_MARIKO_KEK, DECRYPT, keys->master_kek[i], is_dev ? &mariko_master_kek_sources_dev[i - KB_FIRMWARE_VERSION_600] : &mariko_master_kek_sources[i - KB_FIRMWARE_VERSION_600]);
const void *kek_source = is_dev ? &mariko_master_kek_sources_dev[kek_source_index] : &mariko_master_kek_sources[kek_source_index];
se_aes_crypt_block_ecb(KS_MARIKO_KEK, DECRYPT, keys->master_kek[i], kek_source);
load_aes_key(KS_AES_ECB, keys->master_key[i], keys->master_kek[i], master_key_source); load_aes_key(KS_AES_ECB, keys->master_key[i], keys->master_kek[i], master_key_source);
} }
} }
static void _derive_master_keys_from_latest_key(key_storage_t *keys, bool is_dev) { static int _run_ams_keygen(key_storage_t *keys) {
minerva_periodic_training(); tsec_ctxt_t tsec_ctxt;
if (!h_cfg.t210b01) { tsec_ctxt.fw = tsec_keygen;
u32 tsec_root_key_slot = is_dev ? KS_TSEC_ROOT_DEV : KS_TSEC_ROOT; tsec_ctxt.size = sizeof(tsec_keygen);
// Derive all master keys based on current root key tsec_ctxt.type = TSEC_FW_TYPE_NEW;
for (u32 i = KB_FIRMWARE_VERSION_810 - KB_FIRMWARE_VERSION_620; i < ARRAY_SIZE(master_kek_sources); i++) {
u32 key_index = i + KB_FIRMWARE_VERSION_620; u32 retries = 0;
se_aes_crypt_block_ecb(tsec_root_key_slot, DECRYPT, keys->master_kek[key_index], master_kek_sources[i]); while (tsec_query(keys->temp_key, &tsec_ctxt) < 0) {
load_aes_key(KS_AES_ECB, keys->master_key[key_index], keys->master_kek[key_index], master_key_source); retries++;
if (retries > 15) {
EPRINTF("Failed to run keygen.");
return -1;
} }
} }
minerva_periodic_training(); return 0;
}
static void _derive_master_keys_from_latest_key(key_storage_t *keys, bool is_dev) {
if (!h_cfg.t210b01) {
u32 tsec_root_key_slot = is_dev ? 11 : 13;
// Derive all master keys based on current root key
for (u32 i = KB_FIRMWARE_VERSION_810 - KB_FIRMWARE_VERSION_620; i < ARRAY_SIZE(master_kek_sources); i++) {
se_aes_crypt_block_ecb(tsec_root_key_slot, DECRYPT, keys->master_kek[i + KB_FIRMWARE_VERSION_620], master_kek_sources[i]);
load_aes_key(KS_AES_ECB, keys->master_key[i + KB_FIRMWARE_VERSION_620], keys->master_kek[i + KB_FIRMWARE_VERSION_620], master_key_source);
}
}
// Derive all lower master keys // Derive all lower master keys
for (u32 i = KB_FIRMWARE_VERSION_MAX; i > 0; i--) { for (u32 i = KB_FIRMWARE_VERSION_MAX; i > 0; i--) {
@ -111,37 +109,40 @@ static void _derive_master_keys_from_latest_key(key_storage_t *keys, bool is_dev
} }
load_aes_key(KS_AES_ECB, keys->temp_key, keys->master_key[0], is_dev ? master_key_vectors_dev[0] : master_key_vectors[0]); load_aes_key(KS_AES_ECB, keys->temp_key, keys->master_key[0], is_dev ? master_key_vectors_dev[0] : master_key_vectors[0]);
if (key_exists(keys->temp_key)) { if (_key_exists(keys->temp_key)) {
EPRINTFARGS("Unable to derive master keys for %s.", is_dev ? "dev" : "prod"); EPRINTFARGS("Unable to derive master keys for %s.", is_dev ? "dev" : "prod");
memset(keys->master_key, 0, sizeof(keys->master_key)); memset(keys->master_key, 0, sizeof(keys->master_key));
} }
} }
static void _derive_keyblob_keys(key_storage_t *keys) { static void _derive_keyblob_keys(key_storage_t *keys) {
minerva_periodic_training(); u8 *keyblob_block = (u8 *)calloc(KB_FIRMWARE_VERSION_600 + 1, NX_EMMC_BLOCKSIZE);
u32 keyblob_mac[SE_KEY_128_SIZE / 4] = {0};
encrypted_keyblob_t *keyblob_buffer = (encrypted_keyblob_t *)calloc(KB_FIRMWARE_VERSION_600 + 1, sizeof(encrypted_keyblob_t));
u32 keyblob_mac[SE_AES_CMAC_DIGEST_SIZE / 4] = {0};
bool have_keyblobs = true; bool have_keyblobs = true;
if (FUSE(FUSE_PRIVATE_KEY0) != 0xFFFFFFFF) { if (FUSE(FUSE_PRIVATE_KEY0) == 0xFFFFFFFF) {
keys->secure_boot_key[0] = FUSE(FUSE_PRIVATE_KEY0); u8 *aes_keys = (u8 *)calloc(SZ_4K, 1);
keys->secure_boot_key[1] = FUSE(FUSE_PRIVATE_KEY1); se_get_aes_keys(aes_keys + SZ_2K, aes_keys, SE_KEY_128_SIZE);
keys->secure_boot_key[2] = FUSE(FUSE_PRIVATE_KEY2); memcpy(keys->sbk, aes_keys + 14 * SE_KEY_128_SIZE, SE_KEY_128_SIZE);
keys->secure_boot_key[3] = FUSE(FUSE_PRIVATE_KEY3); free(aes_keys);
} else {
keys->sbk[0] = FUSE(FUSE_PRIVATE_KEY0);
keys->sbk[1] = FUSE(FUSE_PRIVATE_KEY1);
keys->sbk[2] = FUSE(FUSE_PRIVATE_KEY2);
keys->sbk[3] = FUSE(FUSE_PRIVATE_KEY3);
} }
if (!emmc_storage.initialized) { if (!emmc_storage.initialized) {
have_keyblobs = false; have_keyblobs = false;
} else if (!emummc_storage_read(KEYBLOB_OFFSET / NX_EMMC_BLOCKSIZE, KB_FIRMWARE_VERSION_600 + 1, keyblob_buffer)) { } else if (!emummc_storage_read(KEYBLOB_OFFSET / NX_EMMC_BLOCKSIZE, KB_FIRMWARE_VERSION_600 + 1, keyblob_block)) {
EPRINTF("Unable to read keyblobs."); EPRINTF("Unable to read keyblobs.");
have_keyblobs = false; have_keyblobs = false;
} else { } else {
have_keyblobs = true; have_keyblobs = true;
} }
encrypted_keyblob_t *current_keyblob = keyblob_buffer; encrypted_keyblob_t *current_keyblob = (encrypted_keyblob_t *)keyblob_block;
for (u32 i = 0; i < ARRAY_SIZE(keyblob_key_sources); i++, current_keyblob++) { for (u32 i = 0; i <= KB_FIRMWARE_VERSION_600; i++, current_keyblob++) {
minerva_periodic_training(); minerva_periodic_training();
se_aes_crypt_block_ecb(KS_TSEC, DECRYPT, keys->keyblob_key[i], keyblob_key_sources[i]); se_aes_crypt_block_ecb(KS_TSEC, DECRYPT, keys->keyblob_key[i], keyblob_key_sources[i]);
se_aes_crypt_block_ecb(KS_SECURE_BOOT, DECRYPT, keys->keyblob_key[i], keys->keyblob_key[i]); se_aes_crypt_block_ecb(KS_SECURE_BOOT, DECRYPT, keys->keyblob_key[i], keys->keyblob_key[i]);
@ -169,94 +170,89 @@ static void _derive_keyblob_keys(key_storage_t *keys) {
memcpy(keys->package1_key[i], keys->keyblob[i].package1_key, sizeof(keys->package1_key[i])); memcpy(keys->package1_key[i], keys->keyblob[i].package1_key, sizeof(keys->package1_key[i]));
memcpy(keys->master_kek[i], keys->keyblob[i].master_kek, sizeof(keys->master_kek[i])); memcpy(keys->master_kek[i], keys->keyblob[i].master_kek, sizeof(keys->master_kek[i]));
if (!key_exists(keys->master_key[i])) { if (!_key_exists(keys->master_key[i])) {
load_aes_key(KS_AES_ECB, keys->master_key[i], keys->master_kek[i], master_key_source); load_aes_key(KS_AES_ECB, keys->master_key[i], keys->master_kek[i], master_key_source);
} }
} }
free(keyblob_buffer); free(keyblob_block);
}
static void _derive_master_keys(key_storage_t *prod_keys, key_storage_t *dev_keys, bool is_dev) {
key_storage_t *keys = is_dev ? dev_keys : prod_keys;
if (h_cfg.t210b01) {
_derive_master_keys_mariko(keys, is_dev);
_derive_master_keys_from_latest_key(keys, is_dev);
} else {
if (run_ams_keygen()) {
EPRINTF("Failed to run keygen.");
return;
}
u8 *aes_keys = (u8 *)calloc(1, SZ_4K);
se_get_aes_keys(aes_keys + SZ_2K, aes_keys, SE_KEY_128_SIZE);
memcpy(&dev_keys->tsec_root_key, aes_keys + KS_TSEC_ROOT_DEV * SE_KEY_128_SIZE, SE_KEY_128_SIZE);
memcpy(&dev_keys->tsec_key, aes_keys + KS_TSEC * SE_KEY_128_SIZE, SE_KEY_128_SIZE);
memcpy(&prod_keys->tsec_key, aes_keys + KS_TSEC * SE_KEY_128_SIZE, SE_KEY_128_SIZE);
memcpy(&prod_keys->tsec_root_key, aes_keys + KS_TSEC_ROOT * SE_KEY_128_SIZE, SE_KEY_128_SIZE);
if (FUSE(FUSE_PRIVATE_KEY0) != 0xFFFFFFFF) {
memcpy(&dev_keys->secure_boot_key, aes_keys + KS_SECURE_BOOT * SE_KEY_128_SIZE, SE_KEY_128_SIZE);
memcpy(&prod_keys->secure_boot_key, aes_keys + KS_SECURE_BOOT * SE_KEY_128_SIZE, SE_KEY_128_SIZE);
}
free(aes_keys);
_derive_master_keys_from_latest_key(prod_keys, false);
_derive_master_keys_from_latest_key(dev_keys, true);
_derive_keyblob_keys(keys);
}
} }
static void _derive_bis_keys(key_storage_t *keys) { static void _derive_bis_keys(key_storage_t *keys) {
minerva_periodic_training(); minerva_periodic_training();
u32 generation = fuse_read_odm_keygen_rev(); u32 generation = fuse_read_odm_keygen_rev();
fs_derive_bis_keys(keys, keys->bis_key, generation);
}
static void _derive_misc_keys(key_storage_t *keys) { if (!(_key_exists(keys->device_key) || (generation && _key_exists(keys->master_key[0]) && _key_exists(keys->device_key_4x)))) {
minerva_periodic_training(); return;
fs_derive_save_mac_key(keys, keys->save_mac_key); }
generate_specific_aes_key(KS_AES_ECB, keys, &keys->bis_key[0], bis_key_sources[0], generation);
u32 access_key[SE_KEY_128_SIZE / 4] = {0};
const u32 option = IS_DEVICE_UNIQUE;
generate_aes_kek(KS_AES_ECB, keys, access_key, bis_kek_source, generation, option);
generate_aes_key(KS_AES_ECB, keys, keys->bis_key[1], sizeof(keys->bis_key[1]), access_key, bis_key_sources[1]);
generate_aes_key(KS_AES_ECB, keys, keys->bis_key[2], sizeof(keys->bis_key[2]), access_key, bis_key_sources[2]);
memcpy(keys->bis_key[3], keys->bis_key[2], sizeof(keys->bis_key[3]));
} }
static void _derive_non_unique_keys(key_storage_t *keys, bool is_dev) { static void _derive_non_unique_keys(key_storage_t *keys, bool is_dev) {
minerva_periodic_training(); if (_key_exists(keys->master_key[0])) {
fs_derive_header_key(keys, keys->header_key); const u32 generation = 0;
es_derive_rsa_kek_original(keys, keys->eticket_rsa_kek, is_dev); const u32 option = GET_IS_DEVICE_UNIQUE(NOT_DEVICE_UNIQUE);
ssl_derive_rsa_kek_original(keys, keys->ssl_rsa_kek, is_dev); generate_aes_kek(KS_AES_ECB, keys, keys->temp_key, header_kek_source, generation, option);
generate_aes_key(KS_AES_ECB, keys, keys->header_key, sizeof(keys->header_key), keys->temp_key, header_key_source);
}
}
static void _derive_rsa_kek(u32 ks, key_storage_t *keys, void *out_rsa_kek, const void *kekek_source, const void *kek_source, u32 generation, u32 option) {
void *access_key = keys->temp_key;
generate_aes_kek(ks, keys, access_key, kekek_source, generation, option);
get_device_unique_data_key(ks, out_rsa_kek, access_key, kek_source);
}
static void _derive_misc_keys(key_storage_t *keys, bool is_dev) {
if (_key_exists(keys->device_key) || (_key_exists(keys->master_key[0]) && _key_exists(keys->device_key_4x))) {
void *access_key = keys->temp_key;
const u32 generation = 0;
const u32 option = IS_DEVICE_UNIQUE;
generate_aes_kek(KS_AES_ECB, keys, access_key, save_mac_kek_source, generation, option);
load_aes_key(KS_AES_ECB, keys->save_mac_key, access_key, save_mac_key_source);
}
if (_key_exists(keys->master_key[0])) {
const void *eticket_kek_source = is_dev ? eticket_rsa_kek_source_dev : eticket_rsa_kek_source;
const u32 generation = 0;
u32 option = SET_SEAL_KEY_INDEX(SEAL_KEY_IMPORT_ES_DEVICE_KEY) | NOT_DEVICE_UNIQUE;
_derive_rsa_kek(KS_AES_ECB, keys, keys->eticket_rsa_kek, eticket_rsa_kekek_source, eticket_kek_source, generation, option);
const void *ssl_kek_source = is_dev ? ssl_rsa_kek_source_dev : ssl_rsa_kek_source;
option = SET_SEAL_KEY_INDEX(SEAL_KEY_DECRYPT_DEVICE_UNIQUE_DATA) | NOT_DEVICE_UNIQUE;
_derive_rsa_kek(KS_AES_ECB, keys, keys->ssl_rsa_kek, ssl_rsa_kekek_source, ssl_kek_source, generation, option);
}
}
static void _derive_per_generation_keys(key_storage_t *keys) {
for (u32 generation = 0; generation < ARRAY_SIZE(keys->master_key); generation++) { for (u32 generation = 0; generation < ARRAY_SIZE(keys->master_key); generation++) {
minerva_periodic_training(); if (!_key_exists(keys->master_key[generation]))
if (!key_exists(keys->master_key[generation]))
continue; continue;
for (u32 source_type = 0; source_type < ARRAY_SIZE(key_area_key_sources); source_type++) { for (u32 source_type = 0; source_type < ARRAY_SIZE(key_area_key_sources); source_type++) {
fs_derive_key_area_key(keys, keys->key_area_key[source_type][generation], source_type, generation); void *access_key = keys->temp_key;
const u32 option = GET_IS_DEVICE_UNIQUE(NOT_DEVICE_UNIQUE);
generate_aes_kek(KS_AES_ECB, keys, access_key, key_area_key_sources[source_type], generation + 1, option);
load_aes_key(KS_AES_ECB, keys->key_area_key[source_type][generation], access_key, aes_key_generation_source);
} }
load_aes_key(KS_AES_ECB, keys->package2_key[generation], keys->master_key[generation], package2_key_source); load_aes_key(KS_AES_ECB, keys->package2_key[generation], keys->master_key[generation], package2_key_source);
load_aes_key(KS_AES_ECB, keys->titlekek[generation], keys->master_key[generation], titlekek_source); load_aes_key(KS_AES_ECB, keys->titlekek[generation], keys->master_key[generation], titlekek_source);
} }
} }
// Returns true when terminator is found static bool _get_titlekeys_from_save(u32 buf_size, const u8 *save_mac_key, titlekey_buffer_t *titlekey_buffer, rsa_keypair_t *rsa_keypair) {
static bool _count_ticket_records(u32 buf_size, titlekey_buffer_t *titlekey_buffer, u32 *tkey_count) {
ticket_record_t *curr_ticket_record = (ticket_record_t *)titlekey_buffer->read_buffer;
for (u32 i = 0; i < buf_size; i += sizeof(ticket_record_t), curr_ticket_record++) {
if (curr_ticket_record->rights_id[0] == 0xFF)
return true;
(*tkey_count)++;
}
return false;
}
static bool _get_titlekeys_from_save(u32 buf_size, const u8 *save_mac_key, titlekey_buffer_t *titlekey_buffer, eticket_rsa_keypair_t *rsa_keypair) {
FIL fp; FIL fp;
u64 br = buf_size; u64 br = buf_size;
u64 offset = 0; u64 offset = 0;
u32 file_tkey_count = 0; u32 file_tkey_count = 0;
u32 save_x = gfx_con.x, save_y = gfx_con.y; u32 save_x = gfx_con.x, save_y = gfx_con.y;
bool is_personalized = rsa_keypair != NULL; bool is_personalized = rsa_keypair != NULL;
const char ticket_bin_path[32] = "/ticket.bin"; u32 start_titlekey_count = _titlekey_count;
const char ticket_list_bin_path[32] = "/ticket_list.bin";
char titlekey_save_path[32] = "bis:/save/80000000000000E1"; char titlekey_save_path[32] = "bis:/save/80000000000000E1";
save_data_file_ctx_t ticket_file;
if (is_personalized) { if (is_personalized) {
titlekey_save_path[25] = '2'; titlekey_save_path[25] = '2';
@ -284,6 +280,10 @@ static bool _get_titlekeys_from_save(u32 buf_size, const u8 *save_mac_key, title
return false; return false;
} }
const char ticket_bin_path[32] = "/ticket.bin";
const char ticket_list_bin_path[32] = "/ticket_list.bin";
save_data_file_ctx_t ticket_file;
if (!save_open_file(save_ctx, &ticket_file, ticket_list_bin_path, OPEN_MODE_READ)) { if (!save_open_file(save_ctx, &ticket_file, ticket_list_bin_path, OPEN_MODE_READ)) {
EPRINTF("Unable to locate ticket_list.bin in save."); EPRINTF("Unable to locate ticket_list.bin in save.");
f_close(&fp); f_close(&fp);
@ -292,19 +292,22 @@ static bool _get_titlekeys_from_save(u32 buf_size, const u8 *save_mac_key, title
return false; return false;
} }
// Read ticket list to get ticket count bool terminator_reached = false;
while (offset < ticket_file.size) { while (offset < ticket_file.size && !terminator_reached) {
if (!save_data_file_read(&ticket_file, &br, offset, titlekey_buffer->read_buffer, buf_size) || titlekey_buffer->read_buffer[0] == 0 || br != buf_size)
break;
offset += br;
minerva_periodic_training(); minerva_periodic_training();
if (!save_data_file_read(&ticket_file, &br, offset, titlekey_buffer->read_buffer, buf_size) || ticket_record_t *curr_ticket_record = (ticket_record_t *)titlekey_buffer->read_buffer;
titlekey_buffer->read_buffer[0] == 0 || for (u32 i = 0; i < buf_size; i += sizeof(ticket_record_t), curr_ticket_record++) {
br != buf_size || if (curr_ticket_record->rights_id[0] == 0xFF) {
_count_ticket_records(buf_size, titlekey_buffer, &file_tkey_count) terminator_reached = true;
) {
break; break;
} }
offset += br; file_tkey_count++;
} }
TPRINTF(" Count titlekeys..."); }
TPRINTF(" Count keys...");
if (!save_open_file(save_ctx, &ticket_file, ticket_bin_path, OPEN_MODE_READ)) { if (!save_open_file(save_ctx, &ticket_file, ticket_bin_path, OPEN_MODE_READ)) {
EPRINTF("Unable to locate ticket.bin in save."); EPRINTF("Unable to locate ticket.bin in save.");
@ -314,17 +317,50 @@ static bool _get_titlekeys_from_save(u32 buf_size, const u8 *save_mac_key, title
return false; return false;
} }
if (is_personalized) if (is_personalized) {
se_rsa_key_set(0, rsa_keypair->modulus, sizeof(rsa_keypair->modulus), rsa_keypair->private_exponent, sizeof(rsa_keypair->private_exponent)); se_rsa_key_set(0, rsa_keypair->modulus, sizeof(rsa_keypair->modulus), rsa_keypair->private_exponent, sizeof(rsa_keypair->private_exponent));
}
const u32 ticket_sig_type_rsa2048_sha256 = 0x10004;
offset = 0; offset = 0;
u32 pct = 0, last_pct = 0, remaining = file_tkey_count; terminator_reached = false;
while (offset < ticket_file.size && remaining) { u32 pct = 0, last_pct = 0, i = 0;
while (offset < ticket_file.size && !terminator_reached) {
if (!save_data_file_read(&ticket_file, &br, offset, titlekey_buffer->read_buffer, buf_size) || titlekey_buffer->read_buffer[0] == 0 || br != buf_size) if (!save_data_file_read(&ticket_file, &br, offset, titlekey_buffer->read_buffer, buf_size) || titlekey_buffer->read_buffer[0] == 0 || br != buf_size)
break; break;
offset += br; offset += br;
es_decode_tickets(buf_size, titlekey_buffer, remaining, file_tkey_count, &_titlekey_count, save_x, save_y, &pct, &last_pct, is_personalized); ticket_t *curr_ticket = (ticket_t *)titlekey_buffer->read_buffer;
remaining -= MIN(buf_size / sizeof(ticket_t), remaining); for (u32 j = 0; j < buf_size; j += sizeof(ticket_t), curr_ticket++) {
minerva_periodic_training();
pct = (_titlekey_count - start_titlekey_count) * 100 / file_tkey_count;
if (pct > last_pct && pct <= 100) {
last_pct = pct;
tui_pbar(save_x, save_y, pct, COLOR_GREEN, 0xFF155500);
}
if (i == file_tkey_count || curr_ticket->signature_type == 0) {
terminator_reached = true;
break;
}
if (curr_ticket->signature_type != ticket_sig_type_rsa2048_sha256) {
i++;
continue;
}
if (is_personalized) {
se_rsa_exp_mod(0, curr_ticket->titlekey_block, sizeof(curr_ticket->titlekey_block), curr_ticket->titlekey_block, sizeof(curr_ticket->titlekey_block));
if (se_rsa_oaep_decode(
curr_ticket->titlekey_block, sizeof(titlekey_buffer->titlekeys[0]),
null_hash, sizeof(null_hash),
curr_ticket->titlekey_block, sizeof(curr_ticket->titlekey_block)
) != sizeof(titlekey_buffer->titlekeys[0])
)
continue;
}
memcpy(titlekey_buffer->rights_ids[_titlekey_count], curr_ticket->rights_id, sizeof(titlekey_buffer->rights_ids[0]));
memcpy(titlekey_buffer->titlekeys[_titlekey_count], curr_ticket->titlekey_block, sizeof(titlekey_buffer->titlekeys[0]));
_titlekey_count++;
i++;
}
} }
tui_pbar(save_x, save_y, 100, COLOR_GREEN, 0xFF155500); tui_pbar(save_x, save_y, 100, COLOR_GREEN, 0xFF155500);
f_close(&fp); f_close(&fp);
@ -377,8 +413,7 @@ static bool _derive_sd_seed(key_storage_t *keys) {
} }
u8 read_buf[0x20] __attribute__((aligned(4))) = {0}; u8 read_buf[0x20] __attribute__((aligned(4))) = {0};
// Skip the two header blocks and only check the first bytes of each block // Skip the two header blocks and only check the first bytes of each block - file contents are always block-aligned
// File contents are always block-aligned
for (u32 i = SAVE_BLOCK_SIZE_DEFAULT * 2; i < f_size(&fp); i += SAVE_BLOCK_SIZE_DEFAULT) { for (u32 i = SAVE_BLOCK_SIZE_DEFAULT * 2; i < f_size(&fp); i += SAVE_BLOCK_SIZE_DEFAULT) {
if (f_lseek(&fp, i) || f_read(&fp, read_buf, 0x20, &read_bytes) || read_bytes != 0x20) if (f_lseek(&fp, i) || f_read(&fp, read_buf, 0x20, &read_bytes) || read_bytes != 0x20)
break; break;
@ -394,13 +429,133 @@ static bool _derive_sd_seed(key_storage_t *keys) {
return true; return true;
} }
static bool _decrypt_ssl_rsa_key(key_storage_t *keys, titlekey_buffer_t *titlekey_buffer) {
if (!cal0_read(KS_BIS_00_TWEAK, KS_BIS_00_CRYPT, titlekey_buffer->read_buffer)) {
return false;
}
nx_emmc_cal0_t *cal0 = (nx_emmc_cal0_t *)titlekey_buffer->read_buffer;
u32 generation = 0;
const void *encrypted_key = NULL;
const void *iv = NULL;
u32 key_size = 0;
void *ctr_key = NULL;
bool enforce_unique = true;
if (!cal0_get_ssl_rsa_key(cal0, &encrypted_key, &key_size, &iv, &generation)) {
return false;
}
if (key_size == SSL_RSA_KEY_SIZE) {
bool all_zero = true;
const u8 *key8 = (const u8 *)encrypted_key;
for (u32 i = SE_RSA2048_DIGEST_SIZE; i < SSL_RSA_KEY_SIZE; i++) {
if (key8[i] != 0) {
all_zero = false;
break;
}
}
if (all_zero) {
// Keys of this form are not encrypted
memcpy(keys->ssl_rsa_key, encrypted_key, SE_RSA2048_DIGEST_SIZE);
return true;
}
const u32 option = SET_SEAL_KEY_INDEX(SEAL_KEY_DECRYPT_DEVICE_UNIQUE_DATA) | NOT_DEVICE_UNIQUE;
ctr_key = keys->ssl_rsa_kek_legacy;
_derive_rsa_kek(KS_AES_ECB, keys, ctr_key, ssl_rsa_kekek_source, ssl_rsa_kek_source_legacy, generation, option);
enforce_unique = false;
} else if (generation) {
const u32 option = SET_SEAL_KEY_INDEX(SEAL_KEY_IMPORT_SSL_KEY) | IS_DEVICE_UNIQUE;
ctr_key = keys->ssl_rsa_kek_personalized;
_derive_rsa_kek(KS_AES_ECB, keys, ctr_key, ssl_client_cert_kek_source, ssl_client_cert_key_source, generation, option);
} else {
ctr_key = keys->ssl_rsa_kek;
}
u32 ctr_size = enforce_unique ? key_size - 0x20 : key_size - 0x10;
se_aes_key_set(KS_AES_CTR, ctr_key, SE_KEY_128_SIZE);
se_aes_crypt_ctr(KS_AES_CTR, keys->ssl_rsa_key, ctr_size, encrypted_key, ctr_size, iv);
if (enforce_unique) {
u32 calc_mac[SE_KEY_128_SIZE / 4] = {0};
calc_gmac(KS_AES_ECB, calc_mac, keys->ssl_rsa_key, ctr_size, ctr_key, iv);
const u8 *key8 = (const u8 *)encrypted_key;
if (memcmp(calc_mac, &key8[ctr_size], 0x10) != 0) {
EPRINTF("SSL keypair has invalid GMac.");
memset(keys->ssl_rsa_key, 0, sizeof(keys->ssl_rsa_key));
return false;
}
}
return true;
}
static bool _decrypt_eticket_rsa_key(key_storage_t *keys, titlekey_buffer_t *titlekey_buffer, bool is_dev) {
if (!cal0_read(KS_BIS_00_TWEAK, KS_BIS_00_CRYPT, titlekey_buffer->read_buffer)) {
return false;
}
nx_emmc_cal0_t *cal0 = (nx_emmc_cal0_t *)titlekey_buffer->read_buffer;
u32 generation = 0;
const void *encrypted_key = NULL;
const void *iv = NULL;
u32 key_size = 0;
void *ctr_key = NULL;
if (!cal0_get_eticket_rsa_key(cal0, &encrypted_key, &key_size, &iv, &generation)) {
return false;
}
// Handle legacy case
if (key_size == ETICKET_RSA_KEYPAIR_SIZE) {
const u32 option = SET_SEAL_KEY_INDEX(SEAL_KEY_IMPORT_ES_DEVICE_KEY) | NOT_DEVICE_UNIQUE;
ctr_key = keys->temp_key;
_derive_rsa_kek(KS_AES_ECB, keys, ctr_key, eticket_rsa_kekek_source, eticket_rsa_kek_source_legacy, generation, option);
se_aes_key_set(KS_AES_CTR, ctr_key, SE_KEY_128_SIZE);
se_aes_crypt_ctr(KS_AES_CTR, &keys->eticket_rsa_keypair, sizeof(keys->eticket_rsa_keypair), encrypted_key, sizeof(keys->eticket_rsa_keypair), iv);
if (test_eticket_rsa_keypair(&keys->eticket_rsa_keypair)) {
memcpy(keys->eticket_rsa_kek, ctr_key, sizeof(keys->eticket_rsa_kek));
return true;
}
// Fall through and try usual method if not applicable
}
if (generation) {
const u32 option = SET_SEAL_KEY_INDEX(SEAL_KEY_IMPORT_ES_DEVICE_KEY) | IS_DEVICE_UNIQUE;
ctr_key = keys->eticket_rsa_kek_personalized;
const void *kek_source = is_dev ? eticket_rsa_kek_source_dev : eticket_rsa_kek_source;
_derive_rsa_kek(KS_AES_ECB, keys, ctr_key, eticket_rsa_kekek_source, kek_source, generation, option);
} else {
ctr_key = keys->eticket_rsa_kek;
}
se_aes_key_set(KS_AES_CTR, ctr_key, SE_KEY_128_SIZE);
se_aes_crypt_ctr(KS_AES_CTR, &keys->eticket_rsa_keypair, sizeof(keys->eticket_rsa_keypair), encrypted_key, sizeof(keys->eticket_rsa_keypair), iv);
if (!test_eticket_rsa_keypair(&keys->eticket_rsa_keypair)) {
EPRINTF("Invalid eticket keypair.");
memset(&keys->eticket_rsa_keypair, 0, sizeof(keys->eticket_rsa_keypair));
return false;
}
return true;
}
static bool _derive_titlekeys(key_storage_t *keys, titlekey_buffer_t *titlekey_buffer, bool is_dev) { static bool _derive_titlekeys(key_storage_t *keys, titlekey_buffer_t *titlekey_buffer, bool is_dev) {
if (!key_exists(&keys->eticket_rsa_keypair)) { if (!_key_exists(keys->eticket_rsa_kek)) {
return false; return false;
} }
gfx_printf("%kTitlekeys... \n", colors[(color_idx++) % 6]); gfx_printf("%kTitlekeys... \n", colors[(color_idx++) % 6]);
if (!_decrypt_eticket_rsa_key(keys, titlekey_buffer, is_dev)) {
return false;
}
const u32 buf_size = SAVE_BLOCK_SIZE_DEFAULT; const u32 buf_size = SAVE_BLOCK_SIZE_DEFAULT;
_get_titlekeys_from_save(buf_size, keys->save_mac_key, titlekey_buffer, NULL); _get_titlekeys_from_save(buf_size, keys->save_mac_key, titlekey_buffer, NULL);
_get_titlekeys_from_save(buf_size, keys->save_mac_key, titlekey_buffer, &keys->eticket_rsa_keypair); _get_titlekeys_from_save(buf_size, keys->save_mac_key, titlekey_buffer, &keys->eticket_rsa_keypair);
@ -410,7 +565,7 @@ static bool _derive_titlekeys(key_storage_t *keys, titlekey_buffer_t *titlekey_b
return true; return true;
} }
static void _derive_emmc_keys(key_storage_t *keys, titlekey_buffer_t *titlekey_buffer, bool is_dev) { static bool _derive_emmc_keys(key_storage_t *keys, titlekey_buffer_t *titlekey_buffer, bool is_dev) {
// Set BIS keys. // Set BIS keys.
// PRODINFO/PRODINFOF // PRODINFO/PRODINFOF
se_aes_key_set(KS_BIS_00_CRYPT, keys->bis_key[0] + 0x00, SE_KEY_128_SIZE); se_aes_key_set(KS_BIS_00_CRYPT, keys->bis_key[0] + 0x00, SE_KEY_128_SIZE);
@ -424,17 +579,8 @@ static void _derive_emmc_keys(key_storage_t *keys, titlekey_buffer_t *titlekey_b
if (!emummc_storage_set_mmc_partition(EMMC_GPP)) { if (!emummc_storage_set_mmc_partition(EMMC_GPP)) {
EPRINTF("Unable to set partition."); EPRINTF("Unable to set partition.");
return; return false;
} }
if (!decrypt_ssl_rsa_key(keys, titlekey_buffer)) {
EPRINTF("Unable to derive SSL key.");
}
if (!decrypt_eticket_rsa_key(keys, titlekey_buffer, is_dev)) {
EPRINTF("Unable to derive ETicket key.");
}
// Parse eMMC GPT // Parse eMMC GPT
LIST_INIT(gpt); LIST_INIT(gpt);
nx_emmc_gpt_parse(&gpt, &emmc_storage); nx_emmc_gpt_parse(&gpt, &emmc_storage);
@ -443,7 +589,7 @@ static void _derive_emmc_keys(key_storage_t *keys, titlekey_buffer_t *titlekey_b
if (!system_part) { if (!system_part) {
EPRINTF("Unable to locate System partition."); EPRINTF("Unable to locate System partition.");
nx_emmc_gpt_free(&gpt); nx_emmc_gpt_free(&gpt);
return; return false;
} }
nx_emmc_bis_init(system_part); nx_emmc_bis_init(system_part);
@ -451,7 +597,7 @@ static void _derive_emmc_keys(key_storage_t *keys, titlekey_buffer_t *titlekey_b
if (f_mount(&emmc_fs, "bis:", 1)) { if (f_mount(&emmc_fs, "bis:", 1)) {
EPRINTF("Unable to mount system partition."); EPRINTF("Unable to mount system partition.");
nx_emmc_gpt_free(&gpt); nx_emmc_gpt_free(&gpt);
return; return false;
} }
if (!sd_mount()) { if (!sd_mount()) {
@ -460,12 +606,20 @@ static void _derive_emmc_keys(key_storage_t *keys, titlekey_buffer_t *titlekey_b
EPRINTF("Unable to get SD seed."); EPRINTF("Unable to get SD seed.");
} }
if (!_derive_titlekeys(keys, titlekey_buffer, is_dev)) { bool res = _decrypt_ssl_rsa_key(keys, titlekey_buffer);
if (!res) {
EPRINTF("Unable to derive SSL key.");
}
res = _derive_titlekeys(keys, titlekey_buffer, is_dev);
if (!res) {
EPRINTF("Unable to derive titlekeys."); EPRINTF("Unable to derive titlekeys.");
} }
f_mount(NULL, "bis:", 1); f_mount(NULL, "bis:", 1);
nx_emmc_gpt_free(&gpt); nx_emmc_gpt_free(&gpt);
return res;
} }
// The security engine supports partial key override for locked keyslots // The security engine supports partial key override for locked keyslots
@ -490,13 +644,13 @@ int save_mariko_partial_keys(u32 start, u32 count, bool append) {
u32 pos = 0; u32 pos = 0;
u32 zeros[SE_KEY_128_SIZE / 4] = {0}; u32 zeros[SE_KEY_128_SIZE / 4] = {0};
u8 *data = malloc(4 * SE_KEY_128_SIZE); u8 *data = malloc(4 * SE_KEY_128_SIZE);
char *text_buffer = calloc(count, 0x100); char *text_buffer = calloc(1, 0x100 * count);
for (u32 ks = start; ks < start + count; ks++) { for (u32 ks = start; ks < start + count; ks++) {
// Check if key is as expected // Check if key is as expected
if (ks < ARRAY_SIZE(mariko_key_vectors)) { if (ks < ARRAY_SIZE(mariko_key_vectors)) {
se_aes_crypt_block_ecb(ks, DECRYPT, &data[0], mariko_key_vectors[ks]); se_aes_crypt_block_ecb(ks, DECRYPT, &data[0], mariko_key_vectors[ks]);
if (key_exists(data)) { if (_key_exists(data)) {
EPRINTFARGS("Failed to validate keyslot %d.", ks); EPRINTFARGS("Failed to validate keyslot %d.", ks);
continue; continue;
} }
@ -567,13 +721,14 @@ int save_mariko_partial_keys(u32 start, u32 count, bool append) {
} }
static void _save_keys_to_sd(key_storage_t *keys, titlekey_buffer_t *titlekey_buffer, bool is_dev) { static void _save_keys_to_sd(key_storage_t *keys, titlekey_buffer_t *titlekey_buffer, bool is_dev) {
char *text_buffer = NULL;
if (!sd_mount()) { if (!sd_mount()) {
EPRINTF("Unable to mount SD."); EPRINTF("Unable to mount SD.");
return; return;
} }
u32 text_buffer_size = MAX(_titlekey_count * sizeof(titlekey_text_buffer_t) + 1, SZ_16K); u32 text_buffer_size = MAX(_titlekey_count * sizeof(titlekey_text_buffer_t) + 1, SZ_16K);
char *text_buffer = (char *)calloc(1, text_buffer_size); text_buffer = (char *)calloc(1, text_buffer_size);
SAVE_KEY(aes_kek_generation_source); SAVE_KEY(aes_kek_generation_source);
SAVE_KEY(aes_key_generation_source); SAVE_KEY(aes_key_generation_source);
@ -606,9 +761,9 @@ static void _save_keys_to_sd(key_storage_t *keys, titlekey_buffer_t *titlekey_bu
SAVE_KEY_FAMILY_VAR(keyblob_mac_key, keys->keyblob_mac_key, 0); SAVE_KEY_FAMILY_VAR(keyblob_mac_key, keys->keyblob_mac_key, 0);
SAVE_KEY(keyblob_mac_key_source); SAVE_KEY(keyblob_mac_key_source);
if (is_dev) { if (is_dev) {
SAVE_KEY_FAMILY_VAR(mariko_master_kek_source, mariko_master_kek_sources_dev, KB_FIRMWARE_VERSION_600); SAVE_KEY_FAMILY_VAR(mariko_master_kek_source, mariko_master_kek_sources_dev, 5);
} else { } else {
SAVE_KEY_FAMILY_VAR(mariko_master_kek_source, mariko_master_kek_sources, KB_FIRMWARE_VERSION_600); SAVE_KEY_FAMILY_VAR(mariko_master_kek_source, mariko_master_kek_sources, 5);
} }
SAVE_KEY_FAMILY_VAR(master_kek, keys->master_kek, 0); SAVE_KEY_FAMILY_VAR(master_kek, keys->master_kek, 0);
SAVE_KEY_FAMILY_VAR(master_kek_source, master_kek_sources, KB_FIRMWARE_VERSION_620); SAVE_KEY_FAMILY_VAR(master_kek_source, master_kek_sources, KB_FIRMWARE_VERSION_620);
@ -629,7 +784,7 @@ static void _save_keys_to_sd(key_storage_t *keys, titlekey_buffer_t *titlekey_bu
SAVE_KEY(sd_card_nca_key_source); SAVE_KEY(sd_card_nca_key_source);
SAVE_KEY(sd_card_save_key_source); SAVE_KEY(sd_card_save_key_source);
SAVE_KEY_VAR(sd_seed, keys->sd_seed); SAVE_KEY_VAR(sd_seed, keys->sd_seed);
SAVE_KEY_VAR(secure_boot_key, keys->secure_boot_key); SAVE_KEY_VAR(secure_boot_key, keys->sbk);
SAVE_KEY_VAR(ssl_rsa_kek, keys->ssl_rsa_kek); SAVE_KEY_VAR(ssl_rsa_kek, keys->ssl_rsa_kek);
SAVE_KEY_VAR(ssl_rsa_kek_personalized, keys->ssl_rsa_kek_personalized); SAVE_KEY_VAR(ssl_rsa_kek_personalized, keys->ssl_rsa_kek_personalized);
if (is_dev) { if (is_dev) {
@ -643,8 +798,9 @@ static void _save_keys_to_sd(key_storage_t *keys, titlekey_buffer_t *titlekey_bu
SAVE_KEY(titlekek_source); SAVE_KEY(titlekek_source);
SAVE_KEY_VAR(tsec_key, keys->tsec_key); SAVE_KEY_VAR(tsec_key, keys->tsec_key);
const u32 root_key_ver = 2;
char root_key_name[21] = "tsec_root_key_00"; char root_key_name[21] = "tsec_root_key_00";
s_printf(root_key_name + 14, "%02x", TSEC_ROOT_KEY_VERSION); s_printf(root_key_name + 14, "%02x", root_key_ver);
_save_key(root_key_name, keys->tsec_root_key, SE_KEY_128_SIZE, text_buffer); _save_key(root_key_name, keys->tsec_root_key, SE_KEY_128_SIZE, text_buffer);
gfx_printf("\n%k Found %d %s keys.\n\n", colors[(color_idx++) % 6], _key_count, is_dev ? "dev" : "prod"); gfx_printf("\n%k Found %d %s keys.\n\n", colors[(color_idx++) % 6], _key_count, is_dev ? "dev" : "prod");
@ -688,10 +844,47 @@ static void _save_keys_to_sd(key_storage_t *keys, titlekey_buffer_t *titlekey_bu
free(text_buffer); free(text_buffer);
} }
static bool _check_keyslot_access() {
u8 test_data[SE_KEY_128_SIZE] = {0};
const u8 test_ciphertext[SE_KEY_128_SIZE] = {0};
se_aes_key_set(KS_AES_ECB, "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", SE_KEY_128_SIZE);
se_aes_crypt_block_ecb(KS_AES_ECB, DECRYPT, test_data, test_ciphertext);
return memcmp(test_data, "\x7b\x1d\x29\xa1\x6c\xf8\xcc\xab\x84\xf0\xb8\xa5\x98\xe4\x2f\xa6", SE_KEY_128_SIZE) == 0;
}
static void _derive_master_keys(key_storage_t *prod_keys, key_storage_t *dev_keys, bool is_dev) {
key_storage_t *keys = is_dev ? dev_keys : prod_keys;
if (h_cfg.t210b01) {
_derive_master_key_mariko(keys, is_dev);
minerva_periodic_training();
_derive_master_keys_from_latest_key(keys, is_dev);
} else {
int res = _run_ams_keygen(keys);
if (res) {
return;
}
u8 *aes_keys = (u8 *)calloc(SZ_4K, 1);
se_get_aes_keys(aes_keys + SZ_2K, aes_keys, SE_KEY_128_SIZE);
memcpy(&dev_keys->tsec_root_key, aes_keys + KS_TSEC_ROOT_DEV * SE_KEY_128_SIZE, SE_KEY_128_SIZE);
memcpy(keys->tsec_key, aes_keys + KS_TSEC * SE_KEY_128_SIZE, SE_KEY_128_SIZE);
memcpy(&prod_keys->tsec_root_key, aes_keys + KS_TSEC_ROOT * SE_KEY_128_SIZE, SE_KEY_128_SIZE);
free(aes_keys);
_derive_master_keys_from_latest_key(prod_keys, false);
minerva_periodic_training();
_derive_master_keys_from_latest_key(dev_keys, true);
minerva_periodic_training();
_derive_keyblob_keys(keys);
}
}
static void _derive_keys() { static void _derive_keys() {
minerva_periodic_training(); minerva_periodic_training();
if (!check_keyslot_access()) { if (!_check_keyslot_access()) {
EPRINTF("Unable to set crypto keyslots!\nTry launching payload differently\n or flash Spacecraft-NX if using a modchip."); EPRINTF("Unable to set crypto keyslots!\nTry launching payload differently\n or flash Spacecraft-NX if using a modchip.");
return; return;
} }
@ -724,16 +917,27 @@ static void _derive_keys() {
TPRINTFARGS("%kBIS keys... ", colors[(color_idx++) % 6]); TPRINTFARGS("%kBIS keys... ", colors[(color_idx++) % 6]);
_derive_misc_keys(keys); minerva_periodic_training();
_derive_misc_keys(keys, is_dev);
minerva_periodic_training();
_derive_non_unique_keys(&prod_keys, is_dev); _derive_non_unique_keys(&prod_keys, is_dev);
minerva_periodic_training();
_derive_non_unique_keys(&dev_keys, is_dev); _derive_non_unique_keys(&dev_keys, is_dev);
minerva_periodic_training();
_derive_per_generation_keys(&prod_keys);
minerva_periodic_training();
_derive_per_generation_keys(&dev_keys);
titlekey_buffer_t *titlekey_buffer = (titlekey_buffer_t *)TITLEKEY_BUF_ADR; titlekey_buffer_t *titlekey_buffer = (titlekey_buffer_t *)TITLEKEY_BUF_ADR;
// Requires BIS key for SYSTEM partition // Requires BIS key for SYSTEM partition
if (!emmc_storage.initialized) { if (!emmc_storage.initialized) {
EPRINTF("eMMC not initialized.\nSkipping SD seed and titlekeys."); EPRINTF("eMMC not initialized.\nSkipping SD seed and titlekeys.");
} else if (key_exists(keys->bis_key[2])) { } else if (_key_exists(keys->bis_key[2])) {
_derive_emmc_keys(keys, titlekey_buffer, is_dev); _derive_emmc_keys(keys, titlekey_buffer, is_dev);
} else { } else {
EPRINTF("Missing needed BIS keys.\nSkipping SD seed and titlekeys."); EPRINTF("Missing needed BIS keys.\nSkipping SD seed and titlekeys.");
@ -760,6 +964,7 @@ void derive_amiibo_keys() {
key_storage_t __attribute__((aligned(4))) prod_keys = {0}, dev_keys = {0}; key_storage_t __attribute__((aligned(4))) prod_keys = {0}, dev_keys = {0};
key_storage_t *keys = is_dev ? &dev_keys : &prod_keys; key_storage_t *keys = is_dev ? &dev_keys : &prod_keys;
const u8 *encrypted_keys = is_dev ? encrypted_nfc_keys_dev : encrypted_nfc_keys;
_derive_master_keys(&prod_keys, &dev_keys, is_dev); _derive_master_keys(&prod_keys, &dev_keys, is_dev);
@ -773,25 +978,54 @@ void derive_amiibo_keys() {
minerva_periodic_training(); minerva_periodic_training();
if (!key_exists(keys->master_key[0])) { if (!_key_exists(keys->master_key[0])) {
EPRINTF("Unable to derive master keys for NFC."); EPRINTF("Unable to derive master keys for NFC.");
minerva_change_freq(FREQ_800); minerva_change_freq(FREQ_800);
btn_wait(); btn_wait();
return; return;
} }
nfc_save_key_t __attribute__((aligned(4))) nfc_save_keys[2] = {0}; decrypt_aes_key(KS_AES_ECB, keys, keys->temp_key, nfc_key_source, 0, 0);
nfc_decrypt_amiibo_keys(keys, nfc_save_keys, is_dev); nfc_keyblob_t __attribute__((aligned(4))) nfc_keyblob;
static const u8 nfc_iv[SE_KEY_128_SIZE] = {
0xB9, 0x1D, 0xC1, 0xCF, 0x33, 0x5F, 0xA6, 0x13, 0x2A, 0xEF, 0x90, 0x99, 0xAA, 0xCA, 0x93, 0xC8};
se_aes_key_set(KS_AES_CTR, keys->temp_key, SE_KEY_128_SIZE);
se_aes_crypt_ctr(KS_AES_CTR, &nfc_keyblob, sizeof(nfc_keyblob), encrypted_keys, sizeof(nfc_keyblob), &nfc_iv);
minerva_periodic_training(); minerva_periodic_training();
u32 hash[SE_SHA_256_SIZE / 4] = {0}; u8 xor_pad[0x20] __attribute__((aligned(4))) = {0};
se_aes_key_set(KS_AES_CTR, nfc_keyblob.ctr_key, SE_KEY_128_SIZE);
se_aes_crypt_ctr(KS_AES_CTR, xor_pad, sizeof(xor_pad), xor_pad, sizeof(xor_pad), nfc_keyblob.ctr_iv);
minerva_periodic_training();
nfc_save_key_t __attribute__((aligned(4))) nfc_save_keys[2] = {0};
memcpy(nfc_save_keys[0].hmac_key, nfc_keyblob.hmac_key, sizeof(nfc_keyblob.hmac_key));
memcpy(nfc_save_keys[0].phrase, nfc_keyblob.phrase, sizeof(nfc_keyblob.phrase));
nfc_save_keys[0].seed_size = sizeof(nfc_keyblob.seed);
memcpy(nfc_save_keys[0].seed, nfc_keyblob.seed, sizeof(nfc_keyblob.seed));
memcpy(nfc_save_keys[0].xor_pad, xor_pad, sizeof(xor_pad));
memcpy(nfc_save_keys[1].hmac_key, nfc_keyblob.hmac_key_for_verif, sizeof(nfc_keyblob.hmac_key_for_verif));
memcpy(nfc_save_keys[1].phrase, nfc_keyblob.phrase_for_verif, sizeof(nfc_keyblob.phrase_for_verif));
nfc_save_keys[1].seed_size = sizeof(nfc_keyblob.seed_for_verif);
memcpy(nfc_save_keys[1].seed, nfc_keyblob.seed_for_verif, sizeof(nfc_keyblob.seed_for_verif));
memcpy(nfc_save_keys[1].xor_pad, xor_pad, sizeof(xor_pad));
minerva_periodic_training();
u8 hash[0x20] = {0};
se_calc_sha256_oneshot(hash, &nfc_save_keys[0], sizeof(nfc_save_keys)); se_calc_sha256_oneshot(hash, &nfc_save_keys[0], sizeof(nfc_save_keys));
if (memcmp(hash, is_dev ? nfc_blob_hash_dev : nfc_blob_hash, sizeof(hash)) != 0) { if (memcmp(hash, is_dev ? nfc_blob_hash_dev : nfc_blob_hash, sizeof(hash)) != 0) {
EPRINTF("Amiibo hash mismatch. Skipping save."); EPRINTF("Amiibo hash mismatch. Skipping save.");
} else { minerva_change_freq(FREQ_800);
btn_wait();
return;
}
const char *keyfile_path = is_dev ? "sd:/switch/key_dev.bin" : "sd:/switch/key_retail.bin"; const char *keyfile_path = is_dev ? "sd:/switch/key_dev.bin" : "sd:/switch/key_retail.bin";
if (!sd_save_to_file(&nfc_save_keys[0], sizeof(nfc_save_keys), keyfile_path)) { if (!sd_save_to_file(&nfc_save_keys[0], sizeof(nfc_save_keys), keyfile_path)) {
@ -799,7 +1033,6 @@ void derive_amiibo_keys() {
} else { } else {
EPRINTF("Unable to save Amiibo keys to SD."); EPRINTF("Unable to save Amiibo keys to SD.");
} }
}
gfx_printf("\n%kPress a button to return to the menu.", colors[(color_idx++) % 6]); gfx_printf("\n%kPress a button to return to the menu.", colors[(color_idx++) % 6]);
minerva_change_freq(FREQ_800); minerva_change_freq(FREQ_800);
@ -848,3 +1081,23 @@ void dump_keys() {
} }
gfx_clear_grey(0x1B); gfx_clear_grey(0x1B);
} }
static void _save_key(const char *name, const void *data, u32 len, char *outbuf) {
if (!_key_exists(data))
return;
u32 pos = strlen(outbuf);
pos += s_printf(&outbuf[pos], "%s = ", name);
for (u32 i = 0; i < len; i++)
pos += s_printf(&outbuf[pos], "%02x", *(u8*)(data + i));
s_printf(&outbuf[pos], "\n");
_key_count++;
}
static void _save_key_family(const char *name, const void *data, u32 start_key, u32 num_keys, u32 len, char *outbuf) {
char *temp_name = calloc(1, 0x40);
for (u32 i = 0; i < num_keys; i++) {
s_printf(temp_name, "%s_%02x", name, i + start_key);
_save_key(temp_name, data + i * len, len, outbuf);
}
free(temp_name);
}

67
source/keys/keys.h
View File

@ -23,6 +23,73 @@
#include <sec/se_t210.h> #include <sec/se_t210.h>
#include <utils/types.h> #include <utils/types.h>
// only tickets of type Rsa2048Sha256 are expected
typedef struct {
u32 signature_type; // always 0x10004
u8 signature[SE_RSA2048_DIGEST_SIZE];
u8 sig_padding[0x3C];
char issuer[0x40];
u8 titlekey_block[SE_RSA2048_DIGEST_SIZE];
u8 format_version;
u8 titlekey_type;
u16 ticket_version;
u8 license_type;
u8 common_key_id;
u16 property_mask;
u64 reserved;
u64 ticket_id;
u64 device_id;
u8 rights_id[0x10];
u32 account_id;
u32 sect_total_size;
u32 sect_hdr_offset;
u16 sect_hdr_count;
u16 sect_hdr_entry_size;
u8 padding[0x140];
} ticket_t;
typedef struct {
u8 rights_id[0x10];
u64 ticket_id;
u32 account_id;
u16 property_mask;
u16 reserved;
} ticket_record_t;
typedef struct {
u8 read_buffer[SZ_256K];
u8 rights_ids[SZ_256K / 0x10][0x10];
u8 titlekeys[SZ_256K / 0x10][0x10];
} titlekey_buffer_t;
typedef struct {
char phrase[0xE];
u8 seed[0xE];
u8 hmac_key[0x10];
char phrase_for_verif[0xE];
u8 seed_for_verif[0x10];
u8 hmac_key_for_verif[0x10];
u8 ctr_key[0x10];
u8 ctr_iv[0x10];
u8 pad[6];
} nfc_keyblob_t;
typedef struct {
u8 hmac_key[0x10];
char phrase[0xE];
u8 rsvd;
u8 seed_size;
u8 seed[0x10];
u8 xor_pad[0x20];
} nfc_save_key_t;
typedef struct {
char rights_id[0x20];
char equals[3];
char titlekey[0x20];
char newline[1];
} titlekey_text_buffer_t;
#define TPRINTF(text) \ #define TPRINTF(text) \
end_time = get_tmr_us(); \ end_time = get_tmr_us(); \
gfx_printf(text" done in %d us\n", end_time - start_time); \ gfx_printf(text" done in %d us\n", end_time - start_time); \

54
source/keys/nfc_crypto.c
View File

@ -1,54 +0,0 @@
/*
* Copyright (c) 2022 shchmue
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "nfc_crypto.h"
#include <mem/minerva.h>
#include <sec/se.h>
#include <string.h>
void nfc_decrypt_amiibo_keys(key_storage_t *keys, nfc_save_key_t out_nfc_save_keys[2], bool is_dev) {
const u8 *encrypted_keys = is_dev ? encrypted_nfc_keys_dev : encrypted_nfc_keys;
u32 kek[SE_KEY_128_SIZE / 4] = {0};
decrypt_aes_key(KS_AES_ECB, keys, kek, nfc_key_source, 0, 0);
nfc_keyblob_t __attribute__((aligned(4))) nfc_keyblob;
static const u8 nfc_iv[SE_AES_IV_SIZE] = {
0xB9, 0x1D, 0xC1, 0xCF, 0x33, 0x5F, 0xA6, 0x13, 0x2A, 0xEF, 0x90, 0x99, 0xAA, 0xCA, 0x93, 0xC8};
se_aes_key_set(KS_AES_CTR, kek, SE_KEY_128_SIZE);
se_aes_crypt_ctr(KS_AES_CTR, &nfc_keyblob, sizeof(nfc_keyblob), encrypted_keys, sizeof(nfc_keyblob), &nfc_iv);
minerva_periodic_training();
u32 xor_pad[0x20 / 4] = {0};
se_aes_key_set(KS_AES_CTR, nfc_keyblob.ctr_key, SE_KEY_128_SIZE);
se_aes_crypt_ctr(KS_AES_CTR, xor_pad, sizeof(xor_pad), xor_pad, sizeof(xor_pad), nfc_keyblob.ctr_iv);
minerva_periodic_training();
memcpy(out_nfc_save_keys[0].hmac_key, nfc_keyblob.hmac_key, sizeof(nfc_keyblob.hmac_key));
memcpy(out_nfc_save_keys[0].phrase, nfc_keyblob.phrase, sizeof(nfc_keyblob.phrase));
out_nfc_save_keys[0].seed_size = sizeof(nfc_keyblob.seed);
memcpy(out_nfc_save_keys[0].seed, nfc_keyblob.seed, sizeof(nfc_keyblob.seed));
memcpy(out_nfc_save_keys[0].xor_pad, xor_pad, sizeof(xor_pad));
memcpy(out_nfc_save_keys[1].hmac_key, nfc_keyblob.hmac_key_for_verif, sizeof(nfc_keyblob.hmac_key_for_verif));
memcpy(out_nfc_save_keys[1].phrase, nfc_keyblob.phrase_for_verif, sizeof(nfc_keyblob.phrase_for_verif));
out_nfc_save_keys[1].seed_size = sizeof(nfc_keyblob.seed_for_verif);
memcpy(out_nfc_save_keys[1].seed, nfc_keyblob.seed_for_verif, sizeof(nfc_keyblob.seed_for_verif));
memcpy(out_nfc_save_keys[1].xor_pad, xor_pad, sizeof(xor_pad));
}

75
source/keys/nfc_crypto.h
View File

@ -1,75 +0,0 @@
/*
* Copyright (c) 2022 shchmue
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _NFC_CRYPTO_H_
#define _NFC_CRYPTO_H_
#include "crypto.h"
#include <sec/se_t210.h>
#include <utils/types.h>
static const u8 nfc_key_source[0x10] __attribute__((aligned(4))) = {
0x83, 0xF6, 0xEF, 0xD8, 0x13, 0x26, 0x49, 0xAB, 0x97, 0x5F, 0xEA, 0xBA, 0x65, 0x71, 0xCA, 0xCA};
static const u8 encrypted_nfc_keys[0x80] __attribute__((aligned(4))) = {
0x76, 0x50, 0x87, 0x02, 0x40, 0xA6, 0x5A, 0x98, 0xCE, 0x39, 0x2F, 0xC8, 0x83, 0xAF, 0x54, 0x76,
0x28, 0xFF, 0x50, 0xFC, 0xC1, 0xFB, 0x26, 0x14, 0xA2, 0x4A, 0xA6, 0x74, 0x90, 0xA4, 0x37, 0x06,
0x03, 0x63, 0xC2, 0xB1, 0xAF, 0x9F, 0xF7, 0x07, 0xFC, 0x8A, 0xB9, 0xCA, 0x28, 0x68, 0x6E, 0xF7,
0x42, 0xCD, 0x68, 0x13, 0xCD, 0x7B, 0x3A, 0x60, 0x3E, 0x8B, 0xAB, 0x3A, 0xCC, 0xED, 0xE0, 0xDD,
0x71, 0x1F, 0xA5, 0xDE, 0xB8, 0xB1, 0xF5, 0x1D, 0x14, 0x73, 0xBE, 0x27, 0xCC, 0xA1, 0x9B, 0x23,
0x06, 0x91, 0x89, 0x05, 0xED, 0xD6, 0x92, 0x76, 0x3F, 0x42, 0xFB, 0xD1, 0x8F, 0x2D, 0x6D, 0x72,
0xC8, 0x9E, 0x48, 0xE8, 0x03, 0x64, 0xF0, 0x3C, 0x0E, 0x2A, 0xF1, 0x26, 0x83, 0x02, 0x4F, 0xE2,
0x41, 0xAA, 0xC8, 0x33, 0x68, 0x84, 0x3A, 0xFB, 0x87, 0x18, 0xEA, 0xF7, 0x36, 0xA2, 0x4E, 0xA9};
static const u8 encrypted_nfc_keys_dev[0x80] __attribute__((aligned(4))) = {
0x13, 0xB0, 0xFB, 0xC2, 0x91, 0x6D, 0x6E, 0x5A, 0x10, 0x31, 0x40, 0xB7, 0xDF, 0xCF, 0x69, 0x69,
0xB0, 0xFA, 0xAE, 0x7F, 0xB2, 0x4D, 0x27, 0xC9, 0xE9, 0x3F, 0x5B, 0x38, 0x39, 0x24, 0x98, 0xCE,
0xED, 0xD2, 0xA9, 0x6C, 0x6F, 0xA7, 0x72, 0xD7, 0x11, 0x31, 0x17, 0x93, 0x12, 0x49, 0x32, 0x85,
0x21, 0xE5, 0xE1, 0x88, 0x0F, 0x08, 0xF2, 0x30, 0x5C, 0xC3, 0xAA, 0xFF, 0xC0, 0xAB, 0x21, 0x96,
0x74, 0x39, 0xED, 0xE0, 0x5A, 0xB6, 0x75, 0xC2, 0x3B, 0x08, 0x61, 0xE4, 0xA7, 0xD6, 0xED, 0x8C,
0xA9, 0x02, 0x12, 0xA6, 0xCC, 0x27, 0x4C, 0x1C, 0x41, 0x9C, 0xD8, 0x4C, 0x00, 0xC7, 0x5B, 0x5D,
0xED, 0xC2, 0x3D, 0x5E, 0x00, 0xF5, 0x49, 0xFA, 0x6C, 0x75, 0x67, 0xCF, 0x1F, 0x73, 0x1A, 0xE8,
0x47, 0xD4, 0x3D, 0x9B, 0x83, 0x5B, 0x18, 0x2F, 0x95, 0xA9, 0x04, 0xBC, 0x2E, 0xBB, 0x64, 0x4A};
static const u8 nfc_blob_hash[SE_SHA_256_SIZE] __attribute__((aligned(4))) = {
0x7F, 0x92, 0x83, 0x65, 0x4E, 0xC1, 0x09, 0x7F, 0xBD, 0xFF, 0x31, 0xDE, 0x94, 0x66, 0x51, 0xAE,
0x60, 0xC2, 0x85, 0x4A, 0xFB, 0x54, 0x4A, 0xBE, 0x89, 0x63, 0xD3, 0x89, 0x63, 0x9C, 0x71, 0x0E};
static const u8 nfc_blob_hash_dev[SE_SHA_256_SIZE] __attribute__((aligned(4))) = {
0x4E, 0x36, 0x59, 0x1C, 0x75, 0x80, 0x23, 0x03, 0x98, 0x2D, 0x45, 0xD9, 0x85, 0xB8, 0x60, 0x18,
0x7C, 0x85, 0x37, 0x9B, 0xCB, 0xBA, 0xF3, 0xDC, 0x25, 0x38, 0x73, 0xDB, 0x2F, 0xFA, 0xAE, 0x26};
typedef struct {
char phrase[0xE];
u8 seed[0xE];
u8 hmac_key[0x10];
char phrase_for_verif[0xE];
u8 seed_for_verif[0x10];
u8 hmac_key_for_verif[0x10];
u8 ctr_key[0x10];
u8 ctr_iv[0x10];
u8 pad[6];
} nfc_keyblob_t;
typedef struct {
u8 hmac_key[0x10];
char phrase[0xE];
u8 rsvd;
u8 seed_size;
u8 seed[0x10];
u8 xor_pad[0x20];
} nfc_save_key_t;
void nfc_decrypt_amiibo_keys(key_storage_t *keys, nfc_save_key_t out_nfc_save_keys[2], bool is_dev);
#endif

120
source/keys/ssl_crypto.c
View File

@ -1,120 +0,0 @@
/*
* Copyright (c) 2022 shchmue
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ssl_crypto.h"
#include "cal0_read.h"
#include "gmac.h"
#include "../config.h"
#include <gfx_utils.h>
#include <sec/se.h>
#include <sec/se_t210.h>
#include <string.h>
extern hekate_config h_cfg;
void ssl_derive_rsa_kek_device_unique(key_storage_t *keys, void *out_rsa_kek, u32 generation) {
if ((!h_cfg.t210b01 && !key_exists(keys->device_key)) || (h_cfg.t210b01 && (!key_exists(keys->master_key[0]) || !key_exists(keys->device_key_4x)))) {
return;
}
const u32 option = SET_SEAL_KEY_INDEX(SEAL_KEY_IMPORT_SSL_KEY) | IS_DEVICE_UNIQUE;
derive_rsa_kek(KS_AES_ECB, keys, out_rsa_kek, ssl_client_cert_kek_source, ssl_client_cert_key_source, generation, option);
}
void ssl_derive_rsa_kek_legacy(key_storage_t *keys, void *out_rsa_kek) {
if (!key_exists(keys->master_key[0])) {
return;
}
const u32 generation = 0;
const u32 option = SET_SEAL_KEY_INDEX(SEAL_KEY_DECRYPT_DEVICE_UNIQUE_DATA) | NOT_DEVICE_UNIQUE;
derive_rsa_kek(KS_AES_ECB, keys, out_rsa_kek, ssl_rsa_kekek_source, ssl_rsa_kek_source_legacy, generation, option);
}
void ssl_derive_rsa_kek_original(key_storage_t *keys, void *out_rsa_kek, bool is_dev) {
if (!key_exists(keys->master_key[0])) {
return;
}
const void *ssl_kek_source = is_dev ? ssl_rsa_kek_source_dev : ssl_rsa_kek_source;
const u32 generation = 0;
u32 option = SET_SEAL_KEY_INDEX(SEAL_KEY_DECRYPT_DEVICE_UNIQUE_DATA) | NOT_DEVICE_UNIQUE;
derive_rsa_kek(KS_AES_ECB, keys, out_rsa_kek, ssl_rsa_kekek_source, ssl_kek_source, generation, option);
}
bool decrypt_ssl_rsa_key(key_storage_t *keys, void *buffer) {
if (!cal0_read(KS_BIS_00_TWEAK, KS_BIS_00_CRYPT, buffer)) {
return false;
}
nx_emmc_cal0_t *cal0 = (nx_emmc_cal0_t *)buffer;
u32 generation = 0;
const void *encrypted_key = NULL;
const void *iv = NULL;
u32 key_size = 0;
void *ctr_key = NULL;
bool enforce_unique = true;
if (!cal0_get_ssl_rsa_key(cal0, &encrypted_key, &key_size, &iv, &generation)) {
return false;
}
if (key_size == SSL_RSA_KEY_SIZE) {
bool all_zero = true;
const u8 *key8 = (const u8 *)encrypted_key;
for (u32 i = SE_RSA2048_DIGEST_SIZE; i < SSL_RSA_KEY_SIZE; i++) {
if (key8[i] != 0) {
all_zero = false;
break;
}
}
if (all_zero) {
// Keys of this form are not encrypted
memcpy(keys->ssl_rsa_key, encrypted_key, SE_RSA2048_DIGEST_SIZE);
return true;
}
ssl_derive_rsa_kek_legacy(keys, keys->ssl_rsa_kek_legacy);
ctr_key = keys->ssl_rsa_kek_legacy;
enforce_unique = false;
} else if (generation) {
ssl_derive_rsa_kek_device_unique(keys, keys->ssl_rsa_kek_personalized, generation);
ctr_key = keys->ssl_rsa_kek_personalized;
} else {
ctr_key = keys->ssl_rsa_kek;
}
u32 ctr_size = enforce_unique ? key_size - 0x20 : key_size - 0x10;
se_aes_key_set(KS_AES_CTR, ctr_key, SE_KEY_128_SIZE);
se_aes_crypt_ctr(KS_AES_CTR, keys->ssl_rsa_key, ctr_size, encrypted_key, ctr_size, iv);
if (enforce_unique) {
u32 calc_mac[SE_KEY_128_SIZE / 4] = {0};
calc_gmac(KS_AES_ECB, calc_mac, keys->ssl_rsa_key, ctr_size, ctr_key, iv);
const u8 *key8 = (const u8 *)encrypted_key;
if (memcmp(calc_mac, &key8[ctr_size], 0x10) != 0) {
EPRINTF("SSL keypair has invalid GMac.");
memset(keys->ssl_rsa_key, 0, sizeof(keys->ssl_rsa_key));
return false;
}
}
return true;
}

45
source/keys/ssl_crypto.h
View File

@ -1,45 +0,0 @@
/*
* Copyright (c) 2022 shchmue
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SSL_CRYPTO_H_
#define _SSL_CRYPTO_H_
#include "crypto.h"
#include <utils/types.h>
#define SSL_RSA_KEY_SIZE (SE_AES_IV_SIZE + SE_RSA2048_DIGEST_SIZE)
static const u8 ssl_rsa_kekek_source[0x10] __attribute__((aligned(4))) = {
0x7F, 0x5B, 0xB0, 0x84, 0x7B, 0x25, 0xAA, 0x67, 0xFA, 0xC8, 0x4B, 0xE2, 0x3D, 0x7B, 0x69, 0x03};
static const u8 ssl_rsa_kek_source[0x10] __attribute__((aligned(4))) = {
0x9A, 0x38, 0x3B, 0xF4, 0x31, 0xD0, 0xBD, 0x81, 0x32, 0x53, 0x4B, 0xA9, 0x64, 0x39, 0x7D, 0xE3};
static const u8 ssl_rsa_kek_source_dev[0x10] __attribute__((aligned(4))) = {
0xD5, 0xD2, 0xFC, 0x00, 0xFD, 0x49, 0xDD, 0xF8, 0xEE, 0x7B, 0xC4, 0x4B, 0xE1, 0x4C, 0xAA, 0x99};
static const u8 ssl_rsa_kek_source_legacy[0x10] __attribute__((aligned(4))) = {
0xED, 0x36, 0xB1, 0x32, 0x27, 0x17, 0xD2, 0xB0, 0xBA, 0x1F, 0xC1, 0xBD, 0x4D, 0x38, 0x0F, 0x5E};
static const u8 ssl_client_cert_kek_source[0x10] __attribute__((aligned(4))) = {
0x64, 0xB8, 0x30, 0xDD, 0x0F, 0x3C, 0xB7, 0xFB, 0x4C, 0x16, 0x01, 0x97, 0xEA, 0x9D, 0x12, 0x10};
static const u8 ssl_client_cert_key_source[0x10] __attribute__((aligned(4))) = {
0x4D, 0x92, 0x5A, 0x69, 0x42, 0x23, 0xBB, 0x92, 0x59, 0x16, 0x3E, 0x51, 0x8C, 0x78, 0x14, 0x0F};
void ssl_derive_rsa_kek_device_unique(key_storage_t *keys, void *out_rsa_kek, u32 generation);
void ssl_derive_rsa_kek_legacy(key_storage_t *keys, void *out_rsa_kek);
void ssl_derive_rsa_kek_original(key_storage_t *keys, void *out_rsa_kek, bool is_dev);
bool decrypt_ssl_rsa_key(key_storage_t *keys, void *buffer);
#endif