mirror of
https://github.com/suchmememanyskill/TegraExplorer.git
synced 2024-09-16 20:13:24 +01:00
53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
#include "keys.h"
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#include "keyfile.h"
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#include <utils/types.h>
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#include <libs/fatfs/ff.h>
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#include <string.h>
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#include <utils/ini.h>
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#include "../tegraexplorer/tconf.h"
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#include <storage/nx_sd.h>
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#include "../gfx/gfx.h"
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#define GetHexFromChar(c) ((c & 0x0F) + (c >= 'A' ? 9 : 0))
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char *getKey(const char *search, link_t *inilist){
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LIST_FOREACH_ENTRY(ini_sec_t, ini_sec, inilist, link){
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if (ini_sec->type == INI_CHOICE){
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LIST_FOREACH_ENTRY(ini_kv_t, kv, &ini_sec->kvs, link)
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{
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if (!strcmp(search, kv->key))
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return kv->val;
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}
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}
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}
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return NULL;
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}
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void AddKey(u8 *buff, char *in, u32 len){
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if (in == NULL || strlen(in) != len * 2)
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return;
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for (int i = 0; i < len; i++)
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buff[i] = (u8)((GetHexFromChar(in[i * 2]) << 4) | GetHexFromChar(in[i * 2 + 1]));
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}
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int GetKeysFromFile(char *path){
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gfx_puts("Grabbing keys from prod.keys...");
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if (!sd_mount())
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return 1;
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LIST_INIT(iniList); // Whatever we'll just let this die in memory hell
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if (!ini_parse(&iniList, path, false))
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return 1;
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// add biskeys, mkey 0, header_key, save_mac_key
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AddKey(dumpedKeys.bis_key[0], getKey("bis_key_00", &iniList), AES_128_KEY_SIZE * 2);
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AddKey(dumpedKeys.bis_key[1], getKey("bis_key_01", &iniList), AES_128_KEY_SIZE * 2);
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AddKey(dumpedKeys.bis_key[2], getKey("bis_key_02", &iniList), AES_128_KEY_SIZE * 2);
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AddKey(dumpedKeys.master_key, getKey("master_key_00", &iniList), AES_128_KEY_SIZE);
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AddKey(dumpedKeys.header_key, getKey("header_key", &iniList), AES_128_KEY_SIZE * 2);
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AddKey(dumpedKeys.save_mac_key, getKey("save_mac_key", &iniList), AES_128_KEY_SIZE);
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gfx_puts(" Done");
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return 0;
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} |