diff --git a/realKey/dev/NCT2_pub.der b/realKey/dev/NCT2_pub.der
index 33399db..8916fa0 100644
Binary files a/realKey/dev/NCT2_pub.der and b/realKey/dev/NCT2_pub.der differ
diff --git a/realKey/dev/dummyKey.txt b/realKey/dev/dummyKey.txt
deleted file mode 100644
index 2e248ca..0000000
--- a/realKey/dev/dummyKey.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-現在このフォルダに入っている鍵は、dummy key です。
-最終的には、正式な鍵に差し替える必要があります。
diff --git a/realKey/dev/eFuse_iv.bin b/realKey/dev/eFuse_iv.bin
index 4428674..8b352bb 100644
Binary files a/realKey/dev/eFuse_iv.bin and b/realKey/dev/eFuse_iv.bin differ
diff --git a/realKey/prod/NCT2_pub.der b/realKey/prod/NCT2_pub.der
index 363d4ed..ecfbec3 100644
Binary files a/realKey/prod/NCT2_pub.der and b/realKey/prod/NCT2_pub.der differ
diff --git a/realKey/prod/dummyKey.txt b/realKey/prod/dummyKey.txt
deleted file mode 100644
index 2e248ca..0000000
--- a/realKey/prod/dummyKey.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-現在このフォルダに入っている鍵は、dummy key です。
-最終的には、正式な鍵に差し替える必要があります。
diff --git a/realKey/prod/eFuse_iv.bin b/realKey/prod/eFuse_iv.bin
index c5a400d..856f415 100644
--- a/realKey/prod/eFuse_iv.bin
+++ b/realKey/prod/eFuse_iv.bin
@@ -1 +1,2 @@
-次�ﾘﾂLﾅCｾk4m��ｦ
\ No newline at end of file
+ｺOY�
+�,��?heﾄ�I
\ No newline at end of file