Include a (bad) method to dump with .cnmt.nca

source/tegraexplorer/fs/nca.c

@@ -0,0 +1,46 @@
+#include "nca.h"
+#include "keys.h"
+#include "../../utils/types.h"
+#include "../../libs/fatfs/ff.h"
+#include "../../sec/se.h"
+#include "../../mem/heap.h"
+#include "../gfx/gfxutils.h"
+#include "../../config/ini.h"
+#include "../common/common.h"
+#include <string.h>
+
+int SetHeaderKey(){
+    u8 *header_key = GetKey("sd:/switch/prod.keys", "header_key");
+
+    if (header_key == NULL)
+        return -1;
+
+    se_aes_key_set(4, header_key + 0x00, 0x10);
+    se_aes_key_set(5, header_key + 0x10, 0x10);
+
+    return 0;
+}
+
+int GetNcaType(char *ncaPath){
+    FIL fp;
+    u32 read_bytes = 0;
+
+    if (f_open(&fp, ncaPath, FA_READ | FA_OPEN_EXISTING))
+        return -1;
+
+    u8 *dec_header = (u8*)malloc(0x600);
+
+    if (f_lseek(&fp, 0x200) || f_read(&fp, dec_header, 32, &read_bytes) || read_bytes != 32){
+        f_close(&fp);
+        free(dec_header);
+        return -1;
+    }
+
+    se_aes_xts_crypt(5,4,0,1,dec_header + 0x200, dec_header, 32, 1);
+
+    u8 ContentType = dec_header[0x205];
+    
+    f_close(&fp);
+    free(dec_header);
+    return ContentType;
+}