mirror of
https://github.com/s1204IT/Lockpick_RCM.git
synced 2024-12-23 00:22:06 +00:00
Move key offsets to struct for cleaner code
This commit is contained in:
shchmue
parent
1c82665901
commit
6ad7192199
3 changed files with 52 additions and 157 deletions
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@ -22,20 +22,25 @@
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#include "pkg1.h"
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#include "../sec/se.h"
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#define HASH_ORDER_100_100 {2, 3, 4, 0, 5, 6, 1}
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#define HASH_ORDER_200_510 {2, 3, 4, 0, 5, 7, 10, 12, 11, 6, 8, 1}
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#define HASH_ORDER_600_620 {6, 5, 10, 7, 8, 2, 3, 4, 0, 12, 11, 1}
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#define HASH_ORDER_700_9xx {6, 5, 10, 7, 8, 2, 3, 4, 0, 12, 11, 9, 1}
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static const pkg1_id_t _pkg1_ids[] = {
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{ "20161121183008", 0 }, //1.0.0
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{ "20170210155124", 0 }, //2.0.0 - 2.3.0
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{ "20170519101410", 1 }, //3.0.0
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{ "20170710161758", 2 }, //3.0.1 - 3.0.2
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{ "20170921172629", 3 }, //4.0.0 - 4.1.0
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{ "20180220163747", 4 }, //5.0.0 - 5.1.0
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{ "20180802162753", 5 }, //6.0.0 - 6.1.0
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{ "20181107105733", 6 }, //6.2.0
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{ "20181218175730", 7 }, //7.0.0
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{ "20190208150037", 7 }, //7.0.1
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{ "20190314172056", 7 }, //8.0.0 - 8.0.1
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{ "20190531152432", 8 }, //8.1.0
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{ "20190809135709", 9 }, //9.0.0 - 9.0.1
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{ "20161121183008", 0, {0x1b517, 0x125bc2, 1, 16, 6, HASH_ORDER_100_100, 0, 0x449dc} }, //1.0.0
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{ "20170210155124", 0, {0x1d226, 0x26fe, 0, 16, 11, HASH_ORDER_200_510, 0x557b, 0x3d41a} }, //2.0.0 - 2.3.0
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{ "20170519101410", 1, {0x1ffa6, 0x298b, 0, 16, 11, HASH_ORDER_200_510, 0x552d, 0x3cb81} }, //3.0.0
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{ "20170710161758", 2, {0x20026, 0x29ab, 0, 16, 11, HASH_ORDER_200_510, 0x552d, 0x3cb81} }, //3.0.1 - 3.0.2
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{ "20170921172629", 3, {0x1c64c, 0x37eb, 0, 16, 11, HASH_ORDER_200_510, 0x5382, 0x3711c} }, //4.0.0 - 4.1.0
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{ "20180220163747", 4, {0x1f3b4, 0x465b, 0, 16, 11, HASH_ORDER_200_510, 0x5a63, 0x37901} }, //5.0.0 - 5.1.0
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{ "20180802162753", 5, {0x27350, 0x17ff5, 1, 8, 11, HASH_ORDER_600_620, 0x5674, 0x1d5be} }, //6.0.0 - 6.1.0
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{ "20181107105733", 6, {0x27350, 0x17ff5, 1, 8, 11, HASH_ORDER_600_620, 0x5674, 0x1d5be} }, //6.2.0
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{ "20181218175730", 7, {0x29c50, 0x6a73, 0, 8, 12, HASH_ORDER_700_9xx, 0x5563, 0x1d437} }, //7.0.0
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{ "20190208150037", 7, {0x29c50, 0x6a73, 0, 8, 12, HASH_ORDER_700_9xx, 0x5563, 0x1d437} }, //7.0.1
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{ "20190314172056", 7, {0x29c50, 0x6a73, 0, 8, 12, HASH_ORDER_700_9xx, 0x5563, 0x1d437} }, //8.0.0 - 8.0.1
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{ "20190531152432", 8, {0x29c50, 0x6a73, 0, 8, 12, HASH_ORDER_700_9xx, 0x5563, 0x1d437} }, //8.1.0
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{ "20190809135709", 9, {0x2ec10, 0x5573, 0, 1, 12, HASH_ORDER_700_9xx, 0x6495, 0x1d807} }, //9.0.0 - 9.0.1
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{ NULL } //End.
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};
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@ -19,10 +19,23 @@
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#include "../utils/types.h"
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typedef struct _key_info_t
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{
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u32 start_offset;
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u32 hks_offset;
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bool hks_offset_is_from_end;
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u32 alignment;
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u32 hash_max;
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u8 hash_order[13];
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u32 es_offset;
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u32 ssl_offset;
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} key_info_t;
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typedef struct _pkg1_id_t
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{
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const char *id;
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u32 kb;
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key_info_t key_info;
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} pkg1_id_t;
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const pkg1_id_t *pkg1_identify(u8 *pkg1);
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@ -453,96 +453,33 @@ get_tsec: ;
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pkg2_decompress_kip(ki, 2 | 4); // we only need .rodata and .data
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TPRINTFARGS("%kDecompress FS...", colors[(color_idx++) % 6]);
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u8 hash_index = 0, hash_max = 11, hash_order[13],
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key_lengths[13] = {0x10, 0x20, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x20, 0x10, 0x20, 0x20};
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u32 start_offset = 0, hks_offset_from_end = ki->kip1->sections[2].size_decomp, alignment = 0x10;
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u8 hash_index = 0;
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const u8 key_lengths[13] = {0x10, 0x20, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x20, 0x10, 0x20, 0x20};
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// the FS keys appear in different orders
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if (!memcmp(pkg1_id->id, "2016", 4)) {
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// 1.0.0 doesn't have SD keys at all
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hash_max = 6;
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// the first key isn't aligned with the rest
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// 1.0.0 doesn't have SD keys at all and the first key isn't aligned with the rest
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memcpy(fs_keys[2], ki->kip1->data + ki->kip1->sections[0].size_comp + 0x1ae0e, 0x10);
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hash_index = 1;
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start_offset = 0x1b517;
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hks_offset_from_end = 0x125bc2;
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u8 temp[7] = {2, 3, 4, 0, 5, 6, 1};
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memcpy(hash_order, temp, 7);
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} else {
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// 2.0.0 - 8.0.0
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switch (pkg1_id->kb) {
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case KB_FIRMWARE_VERSION_100_200:
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start_offset = 0x1d226;
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hks_offset_from_end -= 0x26fe;
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break;
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case KB_FIRMWARE_VERSION_300:
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start_offset = 0x1ffa6;
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hks_offset_from_end -= 0x298b;
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break;
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case KB_FIRMWARE_VERSION_301:
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start_offset = 0x20026;
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hks_offset_from_end -= 0x29ab;
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break;
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case KB_FIRMWARE_VERSION_400:
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start_offset = 0x1c64c;
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hks_offset_from_end -= 0x37eb;
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break;
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case KB_FIRMWARE_VERSION_500:
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start_offset = 0x1f3b4;
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hks_offset_from_end -= 0x465b;
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break;
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case KB_FIRMWARE_VERSION_600:
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case KB_FIRMWARE_VERSION_620:
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start_offset = 0x27350;
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hks_offset_from_end = 0x17ff5;
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alignment = 8;
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break;
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case KB_FIRMWARE_VERSION_700:
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case KB_FIRMWARE_VERSION_810:
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start_offset = 0x29c50;
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hks_offset_from_end -= 0x6a73;
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alignment = 8;
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break;
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case KB_FIRMWARE_VERSION_900:
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start_offset = 0x2ec10;
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hks_offset_from_end -= 0x5573;
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alignment = 1; // RIP
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break;
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}
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if (pkg1_id->kb <= KB_FIRMWARE_VERSION_500) {
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u8 temp[12] = {2, 3, 4, 0, 5, 7, 10, 12, 11, 6, 8, 1};
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memcpy(hash_order, temp, 12);
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} else if (pkg1_id->kb <= KB_FIRMWARE_VERSION_620) {
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u8 temp[12] = {6, 5, 10, 7, 8, 2, 3, 4, 0, 12, 11, 1};
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memcpy(hash_order, temp, 12);
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} else {
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u8 temp[13] = {6, 5, 10, 7, 8, 2, 3, 4, 0, 12, 11, 9, 1};
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memcpy(hash_order, temp, 13);
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hash_max = 12;
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}
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}
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u8 temp_hash[0x20];
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for (u32 i = ki->kip1->sections[0].size_comp + start_offset; i < ki->size - 0x20; ) {
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for (u32 i = ki->kip1->sections[0].size_comp + pkg1_id->key_info.start_offset; i < ki->size - 0x20; ) {
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minerva_periodic_training();
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se_calc_sha256(temp_hash, ki->kip1->data + i, key_lengths[hash_order[hash_index]]);
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if (!memcmp(temp_hash, fs_hashes_sha256[hash_order[hash_index]], 0x20)) {
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memcpy(fs_keys[hash_order[hash_index]], ki->kip1->data + i, key_lengths[hash_order[hash_index]]);
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/*if (hash_index == hash_max) {
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TPRINTFARGS("%d: %x end -%x", hash_index, (*(ki->kip1->data + i)), ki->size - i);
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} else {
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TPRINTFARGS("%d: %x rodata +%x", hash_index, (*(ki->kip1->data + i)), i - ki->kip1->sections[0].size_comp);
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}*/
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i += key_lengths[hash_order[hash_index]];
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if (hash_index == hash_max - 1) {
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i = ki->size - hks_offset_from_end;
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} else if (hash_index == hash_max) {
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se_calc_sha256(temp_hash, ki->kip1->data + i, key_lengths[pkg1_id->key_info.hash_order[hash_index]]);
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if (!memcmp(temp_hash, fs_hashes_sha256[pkg1_id->key_info.hash_order[hash_index]], 0x20)) {
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memcpy(fs_keys[pkg1_id->key_info.hash_order[hash_index]], ki->kip1->data + i, key_lengths[pkg1_id->key_info.hash_order[hash_index]]);
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i += key_lengths[pkg1_id->key_info.hash_order[hash_index]];
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if (hash_index == pkg1_id->key_info.hash_max - 1) {
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if (pkg1_id->key_info.hks_offset_is_from_end)
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i = ki->size - pkg1_id->key_info.hks_offset;
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else
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i = ki->size - (ki->kip1->sections[2].size_decomp - pkg1_id->key_info.hks_offset);
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} else if (hash_index == pkg1_id->key_info.hash_max) {
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break;
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}
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hash_index++;
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} else {
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i += alignment;
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i += pkg1_id->key_info.alignment;
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}
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}
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pkg2_done:
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@ -632,7 +569,6 @@ pkg2_done:
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}
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path[25] = '/';
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start_offset = 0;
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while (!f_readdir(&dir, &fno) && fno.fname[0] && titles_found < title_limit) {
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minerva_periodic_training();
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memcpy(path + 26, fno.fname, 36);
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@ -647,44 +583,14 @@ pkg2_done:
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se_aes_xts_crypt(5, 4, 0, 1, dec_header + 0x200, dec_header, 32, 1);
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// es doesn't contain es key sources on 1.0.0
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if (memcmp(pkg1_id->id, "2016", 4) && *(u32*)(dec_header + 0x210) == 0x33 && dec_header[0x205] == 0) {
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// es (offset 0x210 is lower half of titleid, 0x205 == 0 means it's program nca, not meta)
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switch (pkg1_id->kb) {
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case KB_FIRMWARE_VERSION_100_200:
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start_offset = 0x557b;
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break;
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case KB_FIRMWARE_VERSION_300:
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case KB_FIRMWARE_VERSION_301:
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start_offset = 0x552d;
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break;
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case KB_FIRMWARE_VERSION_400:
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start_offset = 0x5382;
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break;
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case KB_FIRMWARE_VERSION_500:
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start_offset = 0x5a63;
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break;
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case KB_FIRMWARE_VERSION_600:
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case KB_FIRMWARE_VERSION_620:
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start_offset = 0x5674;
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break;
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case KB_FIRMWARE_VERSION_700:
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case KB_FIRMWARE_VERSION_810:
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start_offset = 0x5563;
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break;
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case KB_FIRMWARE_VERSION_900:
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start_offset = 0x6495;
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break;
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}
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hash_order[2] = 2;
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if (pkg1_id->kb < KB_FIRMWARE_VERSION_500) {
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hash_order[0] = 0;
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hash_order[1] = 1;
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} else {
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u8 hash_order[3] = {0, 1, 2};
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if (pkg1_id->kb >= KB_FIRMWARE_VERSION_500) {
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hash_order[0] = 1;
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hash_order[1] = 0;
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}
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hash_index = 0;
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// decrypt only what is needed to locate needed keys
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temp_file = (u8*)_nca_process(5, 4, &fp, start_offset, 0xc0, key_area_key);
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temp_file = (u8*)_nca_process(5, 4, &fp, pkg1_id->key_info.es_offset, 0xc0, key_area_key);
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for (u32 i = 0; i <= 0xb0; ) {
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se_calc_sha256(temp_hash, temp_file + i, 0x10);
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if (!memcmp(temp_hash, es_hashes_sha256[hash_order[hash_index]], 0x10)) {
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@ -701,36 +607,7 @@ pkg2_done:
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temp_file = NULL;
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titles_found++;
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} else if (*(u32*)(dec_header + 0x210) == 0x24 && dec_header[0x205] == 0) {
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// ssl
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switch (pkg1_id->kb) {
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case KB_FIRMWARE_VERSION_100_200:
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start_offset = 0x3d41a;
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break;
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case KB_FIRMWARE_VERSION_300:
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case KB_FIRMWARE_VERSION_301:
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start_offset = 0x3cb81;
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break;
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case KB_FIRMWARE_VERSION_400:
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start_offset = 0x3711c;
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break;
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case KB_FIRMWARE_VERSION_500:
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start_offset = 0x37901;
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break;
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case KB_FIRMWARE_VERSION_600:
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case KB_FIRMWARE_VERSION_620:
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start_offset = 0x1d5be;
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break;
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case KB_FIRMWARE_VERSION_700:
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case KB_FIRMWARE_VERSION_810:
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start_offset = 0x1d437;
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break;
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case KB_FIRMWARE_VERSION_900:
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start_offset = 0x1d807;
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break;
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}
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if (!memcmp(pkg1_id->id, "2016", 4))
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start_offset = 0x449dc;
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temp_file = (u8*)_nca_process(5, 4, &fp, start_offset, 0x70, key_area_key);
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temp_file = (u8*)_nca_process(5, 4, &fp, pkg1_id->key_info.ssl_offset, 0x70, key_area_key);
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for (u32 i = 0; i <= 0x60; i++) {
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se_calc_sha256(temp_hash, temp_file + i, 0x10);
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if (!memcmp(temp_hash, ssl_hashes_sha256[1], 0x10)) {
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@ -1150,8 +1027,8 @@ static void _save_key(const char *name, const void *data, u32 len, char *outbuf)
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static void _save_key_family(const char *name, const void *data, u32 start_key, u32 num_keys, u32 len, char *outbuf) {
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char temp_name[0x40] = {0};
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for (u32 i = start_key; i < num_keys + start_key; i++) {
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sprintf(temp_name, "%s_%02x", name, i);
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for (u32 i = 0; i < num_keys; i++) {
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sprintf(temp_name, "%s_%02x", name, i + start_key);
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_save_key(temp_name, data + i * len, len, outbuf);
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}
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}
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