diff --git a/build/tools/sctools/common/src/my_keys.c b/build/tools/sctools/common/src/my_keys.c
new file mode 100644
index 0000000..69415f4
--- /dev/null
+++ b/build/tools/sctools/common/src/my_keys.c
@@ -0,0 +1,49 @@
+#include <twl.h>
+
+#include "my_aes.h"
+#include "my_keys.h"
+
+/* 
+   makesdtd/my_sign.cと対
+ */
+
+u8 my_sign_aes_key[AES_KEY_BYTE_LEN] = {
+  0x02,0xB6,0x01,0xD8,0x01,0x80,0x01,0x77,0xB4,0x01,0xCB,0x01,0xBD,0x5F,0x18,0x0F,
+  0xF6,0x39,0x9C,0xC6,0x90,0xAC,0xC1,0x0D,0x03,0x74,0x6E,0x8D,0xD1,0xBA,0x37,0x46
+};
+
+u8 my_sign_aes_iv[AES_BLOCK_SIZE] = {
+  0xC3,0x85,0x93,0xFE,0xA8,0x2D,0xBF,0xFB,0xED,0x42,0xE0,0x42,0xFD,0x17,0x04,0xB0
+};
+
+
+#ifdef CHINA_LIMITED
+
+const unsigned char rsa_key_pub[0x8c]={
+        0x30,0x81,0x89,0x02,0x81,0x81,0x00,0xd4,0x7d,0x51,0x2c,0x32,0xd7,0xe5,0x18,0x16,
+        0xde,0x67,0xe8,0x5f,0x62,0x87,0x95,0xa3,0x2e,0xf7,0x07,0x51,0x7a,0xa9,0x2d,0xd9,
+        0x0e,0x95,0x5a,0xd4,0x0e,0x0e,0x46,0x7c,0x25,0xf9,0xc4,0x71,0x6f,0x68,0x0d,0x91,
+        0xb3,0x78,0x0c,0x3e,0x6a,0xce,0xc3,0x9e,0xed,0x9a,0xf8,0xb1,0x35,0x3e,0xdc,0x89,
+        0x21,0x2f,0x38,0x4f,0x1e,0x83,0xd9,0x39,0x4d,0x3f,0x15,0xbf,0x5e,0xfd,0x3d,0x81,
+        0xcc,0x2e,0xeb,0x14,0x6e,0x60,0xb9,0x78,0xa7,0x0b,0x49,0xb0,0x1e,0x02,0xa8,0x8d,
+        0x4e,0x42,0x6e,0x6c,0x62,0xa1,0xf5,0xa9,0x79,0x73,0xc4,0x36,0xb7,0x33,0x6c,0xef,
+        0x96,0x2c,0xfd,0xd6,0x1c,0x22,0xd4,0x62,0xe4,0xa5,0x30,0xc9,0xe3,0x0c,0xaa,0xf4,
+        0xcf,0x4f,0xb5,0xfa,0xbb,0x22,0xed,0x02,0x03,0x01,0x00,0x01
+};
+
+#else	/* CHINA_LIMITED */
+
+const unsigned char rsa_key_pub[0x8c]={
+        0x30,0x81,0x89,0x02,0x81,0x81,0x00,0xeb,0x72,0xe2,0x05,0x45,0x37,0xd9,0x78,0x35,
+        0xb5,0x8d,0x70,0x9a,0xe7,0x17,0x42,0xe9,0xf3,0x26,0x73,0x4e,0xdf,0x5e,0x96,0x5f,
+        0xcf,0xf2,0xf1,0x2d,0xc0,0x41,0x31,0xb6,0x3b,0xe8,0xa4,0xd7,0x70,0xdb,0x3c,0xfd,
+        0x66,0x0d,0xea,0x2f,0xb8,0x7b,0xf0,0x2d,0x70,0xe0,0xf1,0x05,0x55,0xe6,0x33,0x8f,
+        0x3a,0xde,0x79,0xce,0xd0,0x11,0xbf,0xda,0x78,0xe1,0xef,0x8b,0x0e,0x2e,0xa7,0xe2,
+        0x61,0x88,0x58,0x90,0x1d,0x0c,0x6d,0x5b,0x40,0xbf,0x6f,0xc7,0x18,0xde,0xe8,0xfd,
+        0xd9,0xd9,0x1e,0xb9,0xe4,0xa3,0x4d,0x04,0x39,0x4b,0x8f,0x5b,0x13,0xad,0x14,0x0b,
+        0xf8,0x53,0xbc,0xae,0x72,0x91,0x6b,0xcd,0xf9,0x39,0x8d,0x17,0x3d,0xc8,0xee,0xc9,
+        0xcc,0x95,0x35,0x38,0xb0,0x80,0x53,0x02,0x03,0x01,0x00,0x01
+};
+
+
+#endif	/* CHINA_LIMITED */
diff --git a/build/tools/sctools/common/src/my_keys.h b/build/tools/sctools/common/src/my_keys.h
new file mode 100644
index 0000000..5c83026
--- /dev/null
+++ b/build/tools/sctools/common/src/my_keys.h
@@ -0,0 +1,24 @@
+#ifndef _MY_KEYS_H_
+#define _MY_KEYS_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#define AES_KEY_BIT_LEN 256
+#define AES_KEY_BYTE_LEN (AES_KEY_BIT_LEN/8)
+
+
+extern u8 my_sign_aes_key[AES_KEY_BYTE_LEN];
+
+extern u8 my_sign_aes_iv[AES_BLOCK_SIZE];
+
+extern const unsigned char rsa_key_pub[0x8c];
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _MY_KEYS_H_ */
diff --git a/build/tools/sctools/common/src/my_rsa_sign.c b/build/tools/sctools/common/src/my_rsa_sign.c
index 938d500..898c974 100644
--- a/build/tools/sctools/common/src/my_rsa_sign.c
+++ b/build/tools/sctools/common/src/my_rsa_sign.c
@@ -14,6 +14,7 @@
 #include        "mprintf.h"
 #endif	/* MY_RSA_SIGN_DEBUG */
 
+
 #include        "my_rsa_sign.h"
 #include        "my_sha.h"
 
@@ -25,6 +26,10 @@
 #include <berobj.h>
 #include <ber.h>
 
+#include "my_aes.h"
+#include "my_keys.h"
+
+
 /* 
  */
 int R_CDECL CRYPTOi__RSA_public_decrypt(int flen, unsigned char *from, unsigned char *to,
@@ -120,37 +125,11 @@ static s32 miya_CRYPTO_RSA_Decrypt(CRYPTORSAContext *context,
 }
 
 
-#if 1
-static const unsigned char rsa512_pub[]={
-        0x30,0x81,0x89,0x02,0x81,0x81,0x00,0xeb,0x72,0xe2,0x05,0x45,0x37,0xd9,0x78,0x35,
-        0xb5,0x8d,0x70,0x9a,0xe7,0x17,0x42,0xe9,0xf3,0x26,0x73,0x4e,0xdf,0x5e,0x96,0x5f,
-        0xcf,0xf2,0xf1,0x2d,0xc0,0x41,0x31,0xb6,0x3b,0xe8,0xa4,0xd7,0x70,0xdb,0x3c,0xfd,
-        0x66,0x0d,0xea,0x2f,0xb8,0x7b,0xf0,0x2d,0x70,0xe0,0xf1,0x05,0x55,0xe6,0x33,0x8f,
-        0x3a,0xde,0x79,0xce,0xd0,0x11,0xbf,0xda,0x78,0xe1,0xef,0x8b,0x0e,0x2e,0xa7,0xe2,
-        0x61,0x88,0x58,0x90,0x1d,0x0c,0x6d,0x5b,0x40,0xbf,0x6f,0xc7,0x18,0xde,0xe8,0xfd,
-        0xd9,0xd9,0x1e,0xb9,0xe4,0xa3,0x4d,0x04,0x39,0x4b,0x8f,0x5b,0x13,0xad,0x14,0x0b,
-        0xf8,0x53,0xbc,0xae,0x72,0x91,0x6b,0xcd,0xf9,0x39,0x8d,0x17,0x3d,0xc8,0xee,0xc9,
-        0xcc,0x95,0x35,0x38,0xb0,0x80,0x53,0x02,0x03,0x01,0x00,0x01
-};
-#else
 
-static const unsigned char rsa512_pub[]={
-        0x30,0x81,0x9f,0x30,0x0d,0x06,0x09,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x01,0x01,0x01,
-        0x05,0x00,0x03,0x81,0x8d,0x00,0x30,0x81,0x89,0x02,0x81,0x81,0x00,0xeb,0x72,0xe2,
-        0x05,0x45,0x37,0xd9,0x78,0x35,0xb5,0x8d,0x70,0x9a,0xe7,0x17,0x42,0xe9,0xf3,0x26,
-        0x73,0x4e,0xdf,0x5e,0x96,0x5f,0xcf,0xf2,0xf1,0x2d,0xc0,0x41,0x31,0xb6,0x3b,0xe8,
-        0xa4,0xd7,0x70,0xdb,0x3c,0xfd,0x66,0x0d,0xea,0x2f,0xb8,0x7b,0xf0,0x2d,0x70,0xe0,
-        0xf1,0x05,0x55,0xe6,0x33,0x8f,0x3a,0xde,0x79,0xce,0xd0,0x11,0xbf,0xda,0x78,0xe1,
-        0xef,0x8b,0x0e,0x2e,0xa7,0xe2,0x61,0x88,0x58,0x90,0x1d,0x0c,0x6d,0x5b,0x40,0xbf,
-        0x6f,0xc7,0x18,0xde,0xe8,0xfd,0xd9,0xd9,0x1e,0xb9,0xe4,0xa3,0x4d,0x04,0x39,0x4b,
-        0x8f,0x5b,0x13,0xad,0x14,0x0b,0xf8,0x53,0xbc,0xae,0x72,0x91,0x6b,0xcd,0xf9,0x39,
-        0x8d,0x17,0x3d,0xc8,0xee,0xc9,0xcc,0x95,0x35,0x38,0xb0,0x80,0x53,0x02,0x03,0x01,
-        0x00,0x01
-};
 
-#endif
 
-static const int rsa512_pub_len = sizeof rsa512_pub;
+
+static const int rsa_key_pub_len = sizeof rsa_key_pub;
 
 
 static void* MyAlloc(u32 size)
@@ -239,16 +218,16 @@ int RsaTestDecrypt(char *input, int in_len, char *output, int outlen)
 	  
     メンバ keyで指定したアドレスにはDER形式のRSA秘密鍵イメージ全体を格納してください。 
   */
-  key = (void *)OS_Alloc(rsa512_pub_len);
+  key = (void *)OS_Alloc(rsa_key_pub_len);
   if( key == NULL ) {
     OS_TPrintf("Error:alloc %s %d",__FUNCTION__,__LINE__);
     return 0;
   }
-  memcpy(key, (void*)rsa512_pub, rsa512_pub_len);
+  memcpy(key, (void*)rsa_key_pub, rsa_key_pub_len);
 
   //  decinitparam.key     = (void*)rsa512_sec;
   decinitparam.key     = key;
-  decinitparam.key_len = rsa512_pub_len;
+  decinitparam.key_len = rsa_key_pub_len;
   result = miya_CRYPTO_RSA_DecryptInit(&context, &decinitparam);
 
   CheckAndPrintErr(result, "CRYPTO_RSA_DecryptInit");
diff --git a/build/tools/sctools/common/src/my_sign.c b/build/tools/sctools/common/src/my_sign.c
index 282101a..9d33f72 100644
--- a/build/tools/sctools/common/src/my_sign.c
+++ b/build/tools/sctools/common/src/my_sign.c
@@ -5,19 +5,7 @@
 #include "my_aes.h"
 #include "my_sha.h"
 #include "my_sign.h"
-
-#define AES_KEY_BIT_LEN 256
-#define AES_KEY_BYTE_LEN (AES_KEY_BIT_LEN/8)
-
-static u8 my_sign_aes_key[AES_KEY_BYTE_LEN] = {
-  0x02,0xB6,0x01,0xD8,0x01,0x80,0x01,0x77,0xB4,0x01,0xCB,0x01,0xBD,0x5F,0x18,0x0F,
-  0xF6,0x39,0x9C,0xC6,0x90,0xAC,0xC1,0x0D,0x03,0x74,0x6E,0x8D,0xD1,0xBA,0x37,0x46
-};
-
-static u8 my_sign_aes_iv[AES_BLOCK_SIZE] = {
-  0xC3,0x85,0x93,0xFE,0xA8,0x2D,0xBF,0xFB,0xED,0x42,0xE0,0x42,0xFD,0x17,0x04,0xB0
-};
-
+#include "my_keys.h"
 
 
 static BOOL my_sign_check(MY_SIGN_SIGNATURE *encrypted_sign, u8 *buf, int buf_size)
diff --git a/build/tools/sctools/common/src/pre_install.c b/build/tools/sctools/common/src/pre_install.c
index 46cc8bd..462dc4b 100644
--- a/build/tools/sctools/common/src/pre_install.c
+++ b/build/tools/sctools/common/src/pre_install.c
@@ -26,7 +26,6 @@ static PRE_INSTALL_FILE *pre_install_file_list = NULL;
 
 
 #if 1
-//char *pre_install_search_tid(u64 tid, FSFile *log_fd);
 static void pre_install_print_list(FSFile *log_fd);
 static BOOL pre_install_discard_list(void);
 static BOOL pre_install_load_file(char *path, FSFile *log_fd, BOOL encrypt_flag);
@@ -195,7 +194,7 @@ static BOOL pre_install_add_list(u64 tid, u16 version, u16 groupid, char *temp_f
   return TRUE;
 }
 
-static char *pre_install_search_tid(u64 tid, FSFile *log_fd, BOOL *is_in_sd)
+static char *pre_install_search_tid(u64 tid, FSFile *log_fd, BOOL *is_in_sd, u16 *version)
 {
   PRE_INSTALL_FILE *temp_list;
   PRE_INSTALL_FILE *latest_list;
@@ -230,12 +229,18 @@ static char *pre_install_search_tid(u64 tid, FSFile *log_fd, BOOL *is_in_sd)
 
 
   if( latest_list ) {
-    if( !STD_StrNCmp( latest_list->file_name, "sdmc:" , STD_StrLen("sdmc:")) ) {
-      *is_in_sd = TRUE;
+    if( is_in_sd ) {
+      if( !STD_StrNCmp( latest_list->file_name, "sdmc:" , STD_StrLen("sdmc:")) ) {
+	*is_in_sd = TRUE;
+      }
+      else {
+	*is_in_sd = FALSE;
+      }
     }
-    else {
-      *is_in_sd = FALSE;
+    if( version ) {
+      *version = latest_list->version;
     }
+
     miya_log_fprintf(log_fd,"\ntad file entry tid=0x%08x%08x\n%s\n", 
 		     (u32)(tid >> 32) , (u32)(tid & 0xffffffff), latest_list->file_name );
 
@@ -758,7 +763,7 @@ BOOL pre_install_command(FSFile *log_fd, u64 *tid_array,  int tid_count, int com
     case 1:
       mprintf("IA ");
       miya_log_fprintf(log_fd, "IA ");
-      tad_file_name = pre_install_search_tid( tid , log_fd, &is_in_sd);
+      tad_file_name = pre_install_search_tid( tid , log_fd, &is_in_sd, NULL);
       if( tad_file_name ) {
 	if( is_in_sd == TRUE ) {
 	  ret_flag = myImportTad_sign( tad_file_name , org_version, log_fd );
@@ -775,7 +780,7 @@ BOOL pre_install_command(FSFile *log_fd, u64 *tid_array,  int tid_count, int com
     case 2:
       mprintf("TO ");
       miya_log_fprintf(log_fd, "TO ");
-      tad_file_name = pre_install_search_tid( tid , log_fd, &is_in_sd);
+      tad_file_name = pre_install_search_tid( tid , log_fd, &is_in_sd, NULL);
       if( tad_file_name ) {
 	if( is_in_sd == TRUE ) {
 	  ret_flag = my_NAM_ImportTadTicketOnly_sign( tad_file_name );
@@ -856,6 +861,7 @@ BOOL pre_install_process( FSFile *log_fd, MY_USER_APP_TID *title_id_buf_ptr, int
   BOOL ret_flag = TRUE;
   BOOL is_in_sd = FALSE;
   int version;
+  u16 version_in_tad;
 
   if( development_version_flag ) {
     (void)pre_install_load_file(PRE_INSTALL_TABLE_DEV_FILE_SD, log_fd, TRUE);
@@ -880,7 +886,7 @@ BOOL pre_install_process( FSFile *log_fd, MY_USER_APP_TID *title_id_buf_ptr, int
       continue;
     }
 
-    tad_file_name = pre_install_search_tid( tid , log_fd, &is_in_sd);
+    tad_file_name = pre_install_search_tid( tid , log_fd, &is_in_sd, &version_in_tad);
     if( tad_file_name ) {
       if( is_in_sd == TRUE ) {
 	ret_flag = my_NAM_ImportTadTicketOnly_sign( tad_file_name );
@@ -925,9 +931,12 @@ BOOL pre_install_process( FSFile *log_fd, MY_USER_APP_TID *title_id_buf_ptr, int
        pTitleIds[i].is_personalized = 1 -> common (pre installed)
        pTitleIds[i].is_personalized = 2 -> personalized
     */
-    if( (title_id_buf_ptr[i].is_personalized == 1 /* commonの場合 */) && 
-	(title_id_buf_ptr[i].common_and_download == 0  ) )  {
-      /* commonだけどユーザーが最新バージョンを持ってる場合はダウンロードに切り替えてる。 */
+
+
+    //    (title_id_buf_ptr[i].common_and_download == 0  )
+
+    if( (title_id_buf_ptr[i].is_personalized == 1 /* commonの場合 */) ) {
+
       /*
 	0x00030004484E474A "rom:/tads/TWL-KGUJ-v257.tad.out"
 	0x000300044B32444A "rom:/tads/TWL-K2DJ-v0.tad.out"
@@ -938,41 +947,83 @@ BOOL pre_install_process( FSFile *log_fd, MY_USER_APP_TID *title_id_buf_ptr, int
 
 
       (void)my_fs_Tid_To_GameCode(tid, game_code_buf);
-      mprintf(" AP %08X %08X [%s] ", (u32)(tid >> 32), (u32)tid, game_code_buf);
-      miya_log_fprintf(log_fd, " AP %08X %08X [%s] ", (u32)(tid >> 32), (u32)tid, game_code_buf);
 
-      tad_file_name = pre_install_search_tid( tid , log_fd, &is_in_sd);
+      tad_file_name = pre_install_search_tid( tid , log_fd, &is_in_sd, &version_in_tad);
       if( tad_file_name ) {
+	/* commonだけどユーザーが最新バージョンを持ってる場合はダウンロードに切り替えてる。 */
 
-	if( is_in_sd == TRUE ) {
-	  ret_flag = myImportTad_sign( tad_file_name , version, log_fd);
+	if( version > version_in_tad ) {
+
+	  //  miya....
+
+	  mprintf(" AP %08x %08x [%s] ", (u32)(tid >> 32), (u32)tid, game_code_buf);
+	  miya_log_fprintf(log_fd, " AP %08x %08x [%s] ", (u32)(tid >> 32), (u32)tid, game_code_buf);
+
+
+	  if( is_in_sd == TRUE ) {
+	    ret_flag = my_NAM_ImportTadTicketOnly_sign( tad_file_name );
+	  }
+	  else {
+	    ret_flag = my_NAM_ImportTadTicketOnly( tad_file_name );
+	  }
+
+	  if( ret_flag == TRUE ) {
+	    title_id_buf_ptr[i].common_and_download = 1; /* あとでダウンロードするようにチェックをつける。 */
+	    miya_log_fprintf(log_fd, "OK.\n");
+	    m_set_palette(tc[0], M_TEXT_COLOR_GREEN );	/* green  */
+	    mprintf("OK.\n");
+	    m_set_palette(tc[0], M_TEXT_COLOR_WHITE );
+
+	    miya_log_fprintf(log_fd," Pre->Dwn usr.ver=0x%04x tad.ver=0x%04x\n", version, version_in_tad );
+	    mprintf("  Pre->Dwn usr.ver=0x%04x tad.ver=0x%04x\n", version, version_in_tad );
+
+
+	  }
+	  else {
+	    miya_log_fprintf(log_fd, "NG.\n");
+	    m_set_palette(tc[0], M_TEXT_COLOR_RED );	/* red  */
+	    mprintf("NG.\n");
+	    m_set_palette(tc[0], M_TEXT_COLOR_WHITE );
+	    miya_log_fprintf(log_fd, "error: import ticket only tid=0x%08x%08x %s\n", 
+			     (u32)(tid >> 32) , (u32)(tid & 0xffffffff), tad_file_name);
+	  }
 	}
 	else {
-	  ret_flag = myImportTad( tad_file_name , version, log_fd);
-	}
-	if( FALSE == ret_flag ) {
-	  miya_log_fprintf(log_fd, "NG.\n");
-	  m_set_palette(tc[0], M_TEXT_COLOR_RED );	/* green  */
-	  mprintf("NG.\n");
-	  m_set_palette(tc[0], M_TEXT_COLOR_WHITE );
-	  miya_log_fprintf(log_fd, "error: import tid=0x%08x%08x %s\n", 
-			   (u32)(tid >> 32) , (u32)(tid & 0xffffffff), tad_file_name);
-	  ret_flag = FALSE;
-	}
-	else {
-	  miya_log_fprintf(log_fd, "OK.\n");
-	  m_set_palette(tc[0], M_TEXT_COLOR_GREEN );	/* green  */
-	  mprintf("OK.\n");
-	  m_set_palette(tc[0], M_TEXT_COLOR_WHITE );
-	  title_id_buf_ptr[i].install_success_flag = TRUE; /* これを入れとかないと後でセーブデータを復活しない */
+	  mprintf(" AP %08x %08x [%s] ", (u32)(tid >> 32), (u32)tid, game_code_buf);
+	  miya_log_fprintf(log_fd, " AP %08x %08x [%s] ", (u32)(tid >> 32), (u32)tid, game_code_buf);
+
+	  if( is_in_sd == TRUE ) {
+	    ret_flag = myImportTad_sign( tad_file_name , version, log_fd);
+	  }
+	  else {
+	    ret_flag = myImportTad( tad_file_name , version, log_fd);
+	  }
+
+	  if( ret_flag == TRUE ) {
+	    title_id_buf_ptr[i].install_success_flag = TRUE; /* これを入れとかないと後でセーブデータを復活しない */
+	    miya_log_fprintf(log_fd, "OK.\n");
+	    m_set_palette(tc[0], M_TEXT_COLOR_GREEN );	/* green  */
+	    mprintf("OK.\n");
+	    m_set_palette(tc[0], M_TEXT_COLOR_WHITE );
+	  }
+	  else {
+	    miya_log_fprintf(log_fd, "NG.\n");
+	    m_set_palette(tc[0], M_TEXT_COLOR_RED );	/* red  */
+	    mprintf("NG.\n");
+	    m_set_palette(tc[0], M_TEXT_COLOR_WHITE );
+	    miya_log_fprintf(log_fd, "error: import tid=0x%08x%08x %s\n", 
+			     (u32)(tid >> 32) , (u32)(tid & 0xffffffff), tad_file_name);
+	  }
 	}
       }
       else {
+	miya_log_fprintf(log_fd, " AP %08x %08x [%s] ", (u32)(tid >> 32), (u32)tid, game_code_buf);
 	miya_log_fprintf(log_fd, "No file\n");
-	m_set_palette(tc[0], M_TEXT_COLOR_RED );	/* green  */
+
+	mprintf(" AP %08x %08x [%s] ", (u32)(tid >> 32), (u32)tid, game_code_buf);
+	m_set_palette(tc[0], M_TEXT_COLOR_RED );	/* red  */
 	mprintf("No file\n");
 	m_set_palette(tc[0], M_TEXT_COLOR_WHITE );
-	miya_log_fprintf(log_fd, "error: no file\n"); 
 	ret_flag = FALSE;
       }
     }
@@ -985,7 +1036,7 @@ BOOL pre_install_process( FSFile *log_fd, MY_USER_APP_TID *title_id_buf_ptr, int
 }
 
 
-
+#if 0
 int pre_install_check_tad_version(FSFile *log_fd, MY_USER_APP_TID *title_id_buf_ptr, int title_id_count, 
 				 BOOL development_version_flag )
 {
@@ -1050,28 +1101,18 @@ int pre_install_check_tad_version(FSFile *log_fd, MY_USER_APP_TID *title_id_buf_
 		  (u32)(tid >> 32) , (u32)(tid & 0xffffffff), version, latest_list->version );
 
 	  ret_flag = FALSE;
-#if 1 /* miya 20091021 */
-#define ONLY_TICKET 1
 
-	  /* とりあえずEチケットだけインストール？ */
+	  /* とりあえずEチケットだけインストール */
 	  tad_file_name = latest_list->file_name;
 	  if( tad_file_name ) {
 	    if( !STD_StrNCmp( tad_file_name, "sdmc:" , STD_StrLen("sdmc:")) ) {
-#ifdef ONLY_TICKET
 	      ret_flag = my_NAM_ImportTadTicketOnly_sign( tad_file_name );
-#else
-	      ret_flag = myImportTad_sign( tad_file_name , 0, log_fd);
-#endif
 	    }
 	    else {
-#ifdef ONLY_TICKET
 	      ret_flag = my_NAM_ImportTadTicketOnly( tad_file_name );
-#else
-	      ret_flag = myImportTad( tad_file_name , 0, log_fd);
-#endif
 	    }
 	  }
-#endif
+
 	  if( ret_flag == TRUE ) {
 	    m_set_palette(tc[0], M_TEXT_COLOR_GREEN );	/* green  */
 	    mprintf("OK.\n");
@@ -1099,3 +1140,5 @@ int pre_install_check_tad_version(FSFile *log_fd, MY_USER_APP_TID *title_id_buf_
   miya_log_fprintf(log_fd, "%s end: num=%d\n",__FUNCTION__,ret_count);
   return ret_count;
 }
+
+#endif
diff --git a/build/tools/sctools/common/src/pre_install.h b/build/tools/sctools/common/src/pre_install.h
index 3d35405..e0eb909 100644
--- a/build/tools/sctools/common/src/pre_install.h
+++ b/build/tools/sctools/common/src/pre_install.h
@@ -25,9 +25,10 @@ BOOL pre_install_get_version(u64 tid, u16 *version);
 BOOL pre_install_debug(FSFile *log_fd, BOOL development_version_flag );
 BOOL pre_install_command(FSFile *log_fd, u64 *tid_array,  int tid_count, int command, BOOL development_version_flag );
 
+#if 0
 int pre_install_check_tad_version(FSFile *log_fd, MY_USER_APP_TID *title_id_buf_ptr, 
 				 int title_id_count, BOOL development_version_flag );
-
+#endif
 
 #ifdef __cplusplus
 }
diff --git a/build/tools/sctools/copy_dst/Makefile b/build/tools/sctools/copy_dst/Makefile
index ca0160a..d644bf0 100644
--- a/build/tools/sctools/copy_dst/Makefile
+++ b/build/tools/sctools/copy_dst/Makefile
@@ -28,7 +28,7 @@ SRCS			=	main.c mfiler.c key.c font.c text.c mprintf.c logprintf.c \
 				sitedefs.c wcm_control.c netconnect.c mywlan.c \
 				mynuc.c nuc_error_msg.c stream.c myfilename.c menu_version.c \
 				ntp.c myimport.c pre_install.c \
-				my_rsa_sign.c my_aes.c my_sha.c my_sign.c 
+				my_rsa_sign.c my_aes.c my_sha.c my_sign.c  my_keys.c
 
 
 TARGET_BIN		=	copy_dst.srl
diff --git a/build/tools/sctools/copy_dst/src/main.c b/build/tools/sctools/copy_dst/src/main.c
index ffc511f..8fd4adc 100644
--- a/build/tools/sctools/copy_dst/src/main.c
+++ b/build/tools/sctools/copy_dst/src/main.c
@@ -61,6 +61,8 @@
 
 #include <twl/ltdmain_begin.h>
 
+
+// #define CHINA_LIMITED 1
 // #define PRE_INSTALL 1
 
 //================================================================================
@@ -742,13 +744,50 @@ static BOOL RestoreFromSDCard7(void)
   /* ECDownload の前準備,終わり。*/
 
 
+#if 0
+  /* miya 2009/10/12 */
+  /* TitleIDLoadの後、title_id_buf_ptr, title_id_countに書き込む */
+  /* title_id_buf_ptr[i].common_and_download == 1 のときはダウンロードするように。 */
+  miya_log_fprintf(log_fd,"Internal data version check.\n");
+  mprintf("Internal data version check.\n");
+  (void)pre_install_check_tad_version(log_fd, title_id_buf_ptr, title_id_count, development_console_flag );
+#endif
 
-  if( no_network_flag == TRUE ) {
-    miya_log_fprintf(log_fd,"no network flag ON\n");
-    goto pre_install_label;
+
+ pre_install_label:
+
+  if( (mydata.num_of_user_pre_installed_app > 0) ||
+      (mydata.num_of_user_pre_installed_eticket_only > 0) ) {
+    /* プリンストール対応 */
+    miya_log_fprintf(log_fd,"Import Pre-installed apps.\n");
+    mprintf("Import Pre-installed apps.\n");
+    if( mydata.num_of_user_pre_installed_eticket_only > 0 ) {
+      if( FALSE == UserTitleIDLoadETicketOnly( MyFile_GetUserTitleIDTicketOnlyFileName(),
+					   &eticket_only_id_buf, &num_of_eticket_only_titles,  
+					   MyFile_GetUserTitleIDTicketOnlyRestoreLogFileName()) ) {
+	;
+      }
+    }
+
+    /* pre_install_process関数の中でＥチケットだけのやつもやりたい。 */
+    if( FALSE == pre_install_process( log_fd, title_id_buf_ptr, title_id_count,
+				      eticket_only_id_buf,
+				      mydata.num_of_user_pre_installed_eticket_only ,
+				      development_console_flag ) ) {
+      ret_flag = FALSE;
+    }
+
+    if( eticket_only_id_buf ) {
+      OS_Free(eticket_only_id_buf );
+      eticket_only_id_buf = NULL;
+    }
   }
 
 
+  if( no_network_flag == TRUE ) {
+    miya_log_fprintf(log_fd,"no network flag ON\n");
+    goto network_connection_end;
+  }
 
   if( mydata.shop_record_flag == FALSE ) {
     /* ネットワークにつながなくていいか？ */
@@ -758,13 +797,6 @@ static BOOL RestoreFromSDCard7(void)
   else {
 
 
-    /* miya 2009/10/12 */
-    /* TitleIDLoadの後、title_id_buf_ptr, title_id_countに書き込む */
-    /* title_id_buf_ptr[i].common_and_download == 1 のときはダウンロードするように。 */
-    miya_log_fprintf(log_fd,"Internal data version check.\n");
-    mprintf("Internal data version check.\n");
-    (void)pre_install_check_tad_version(log_fd, title_id_buf_ptr, title_id_count, development_console_flag );
-
 
     miya_log_fprintf(log_fd,"EC download\n");
     mprintf("EC download\n");
@@ -878,35 +910,7 @@ static BOOL RestoreFromSDCard7(void)
     }
     m_set_palette(tc[0], M_TEXT_COLOR_WHITE );
   }
-
- pre_install_label:
-
-  if( (mydata.num_of_user_pre_installed_app > 0) ||
-      (mydata.num_of_user_pre_installed_eticket_only > 0) ) {
-    /* プリンストール対応 */
-    miya_log_fprintf(log_fd,"Import Pre-installed apps.\n");
-    mprintf("Import Pre-installed apps..\n");
-    if( mydata.num_of_user_pre_installed_eticket_only > 0 ) {
-      if( FALSE == UserTitleIDLoadETicketOnly( MyFile_GetUserTitleIDTicketOnlyFileName(),
-					   &eticket_only_id_buf, &num_of_eticket_only_titles,  
-					   MyFile_GetUserTitleIDTicketOnlyRestoreLogFileName()) ) {
-	;
-      }
-    }
-
-    /* pre_install_process関数の中でＥチケットだけのやつもやりたい。 */
-    if( FALSE == pre_install_process( log_fd, title_id_buf_ptr, title_id_count,
-				      eticket_only_id_buf,
-				      mydata.num_of_user_pre_installed_eticket_only ,
-				      development_console_flag ) ) {
-      ret_flag = FALSE;
-    }
-
-    if( eticket_only_id_buf ) {
-      OS_Free(eticket_only_id_buf );
-      eticket_only_id_buf = NULL;
-    }
-  }
+ network_connection_end:
 
   hatamotolib_log_end();
 
@@ -949,12 +953,6 @@ static BOOL RestoreFromSDCard8(void)
     mprintf("Original app. save data saving failed\n");
   }
 
-  if( title_id_buf_ptr != NULL ) {
-    OS_Free( title_id_buf_ptr );
-    title_id_buf_ptr = NULL;
-  }
-  title_id_count = 0;
-
   m_set_palette(tc[0], M_TEXT_COLOR_YELLOW );
 
   if( TRUE == Error_Report_Display(tc[0]) ) {
@@ -968,6 +966,16 @@ static BOOL RestoreFromSDCard8(void)
 }
 
 
+static BOOL RestoreFromSDCard9(void)
+{
+  if( title_id_buf_ptr != NULL ) {
+    OS_Free( title_id_buf_ptr );
+    title_id_buf_ptr = NULL;
+  }
+  title_id_count = 0;
+  return TRUE;
+}
+
 
 typedef BOOL (*function_ptr)(void);
 
@@ -980,7 +988,8 @@ static function_ptr function_table[] =
   RestoreFromSDCard5,
   RestoreFromSDCard6,
   RestoreFromSDCard7,
-  RestoreFromSDCard8
+  RestoreFromSDCard8,
+  RestoreFromSDCard9,
 };
 
 static int function_table_max = sizeof(function_table) / sizeof(*function_table);
@@ -1305,6 +1314,9 @@ void TwlMain(void)
   u16 BatterylevelBuf = 0;
   BOOL isAcConnectedBuf = FALSE;
 
+#ifdef CHINA_LIMITED
+  BOOL isIgnoreKeyInput = FALSE;
+#endif
 
   OS_Init();
   OS_InitThread();
@@ -1358,8 +1370,6 @@ void TwlMain(void)
   SEA_Init();
 
   reboot_flag = OS_IsRebooted();
-  /* OS_IsRebootedなんかおかしい・・ */
-
 
   MIYA_MCU_Init();
 
@@ -1446,10 +1456,25 @@ void TwlMain(void)
   }
 
 
-
   // region
   org_region = LCFG_THW_GetRegion();
-  // ES Device ID
+
+#ifdef CHINA_LIMITED
+  mprintf("This software has limited use\n");
+  mprintf("  of China region. - ");
+
+  if( org_region != OS_TWL_REGION_CHINA ) {
+    m_set_palette(tc[0], M_TEXT_COLOR_RED );
+    mprintf("Invalid\n");
+    m_set_palette(tc[0], M_TEXT_COLOR_WHITE );
+    isIgnoreKeyInput = TRUE;
+  }
+  else {
+    mprintf("Valid\n");
+  }
+#endif
+
+
 
   // 国が選択されていないなら適当に設定
   if( LCFG_TSD_GetCountry() == LCFG_TWL_COUNTRY_UNDEFINED ) {
@@ -1508,10 +1533,9 @@ void TwlMain(void)
     #define LCFGi_GetTSD()      ( &s_settings )
     #define LCFGi_GetTSD_OS()	( (OSTWLSettingsData*)HW_PARAM_TWL_SETTINGS_DATA )
 
-
-
   *******************/
 
+  // ES Device ID
 
   org_fuseId = SCFG_ReadFuseData();
   OS_TPrintf("eFuseID:   %08X%08X\n", (u32)(org_fuseId >> 32), (u32)(org_fuseId));
@@ -1637,14 +1661,23 @@ void TwlMain(void)
     OS_WaitVBlankIntr();
     (void)RTC_GetDate( &rtc_date );
     (void)RTC_GetTime( &rtc_time );
+
+#ifdef CHINA_LIMITED
+    if( isIgnoreKeyInput == FALSE ) {
+      keyData = m_get_key_trigger();
+    }
+#else
     keyData = m_get_key_trigger();
-    
+#endif    
+
     // ＡＲＭ７コマンド応答受信
     while (SND_RecvCommandReply(SND_COMMAND_NOBLOCK) != NULL)
       {
       }
     // コマンドフラッシュ（フラッシュして即座に実行を要求）
     (void)SND_FlushCommand(SND_COMMAND_NOBLOCK | SND_COMMAND_IMMEDIATE);
+
+
     if ( keyData & PAD_BUTTON_R ) {
       vram_num_main++;
       if( vram_num_main > (MAX_VRAM_NUM-1) ) {
@@ -1924,6 +1957,8 @@ void TwlMain(void)
       }
     }
 
+
+    /* メイン表示部 */
     m_set_palette(tc[1], M_TEXT_COLOR_LIGHTBLUE );
     mfprintf(tc[1], "\fRepaire Tool RESTORE");
     m_set_palette(tc[1], M_TEXT_COLOR_WHITE );
diff --git a/build/tools/sctools/cryptopc/main.c b/build/tools/sctools/cryptopc/main.c
index bbe2bbd..1cc07a2 100644
--- a/build/tools/sctools/cryptopc/main.c
+++ b/build/tools/sctools/cryptopc/main.c
@@ -1,5 +1,8 @@
 /* cryptopc *.der infile outfile
    cryptopc miya1024.der main.c main.enc
+
+   openssl rsa -inform DER -in tad1024.der -text
+
 */
 
 #include <stdio.h>
diff --git a/build/tools/sctools/makesdtd/makesdtd.c b/build/tools/sctools/makesdtd/makesdtd.c
index cfb28d5..0d8df5b 100644
--- a/build/tools/sctools/makesdtd/makesdtd.c
+++ b/build/tools/sctools/makesdtd/makesdtd.c
@@ -7,6 +7,14 @@
  makesdtd.exe -indir [inputdir] -odir sdtads
  makesdtd.exe -indir test-tad -odir sdtads
 
+
+
+
+ openssl genrsa -out tad1024miya.der 1024 -outform DER
+
+
+ rsa_keysrcgen.exe -in tad1024miya.der
+
 */
 
 
diff --git a/build/tools/sctools/makesdtd/my_sign.c b/build/tools/sctools/makesdtd/my_sign.c
index 43b23a2..b33926e 100644
--- a/build/tools/sctools/makesdtd/my_sign.c
+++ b/build/tools/sctools/makesdtd/my_sign.c
@@ -77,6 +77,14 @@ static FILE *fp_key = NULL;
 static int rsaSize = 0;
 static RSA *rsa_key = NULL;
 
+
+/* 
+#ifdef CHINA_LIMITED
+#endif CHINA_LIMITED
+
+common/src/my_keys.cと対
+
+*/
 static u8 my_sign_aes_key[AES_KEY_BYTE_LEN] = {
   0x02,0xB6,0x01,0xD8,0x01,0x80,0x01,0x77,0xB4,0x01,0xCB,0x01,0xBD,0x5F,0x18,0x0F,
   0xF6,0x39,0x9C,0xC6,0x90,0xAC,0xC1,0x0D,0x03,0x74,0x6E,0x8D,0xD1,0xBA,0x37,0x46