From b6612caeb3c8f0a9b45173e222982b3f4e9455dd Mon Sep 17 00:00:00 2001
From: h7x4 <h7x4@nani.wtf>
Date: Fri, 3 Jul 2026 02:52:35 +0900
Subject: [PATCH] rev/vault_door_1

---
 rev/vault_door_1/VaultDoor1.java | 60 ++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 rev/vault_door_1/VaultDoor1.java

diff --git a/rev/vault_door_1/VaultDoor1.java b/rev/vault_door_1/VaultDoor1.java
new file mode 100644
index 0000000..8219998
--- /dev/null
+++ b/rev/vault_door_1/VaultDoor1.java
@@ -0,0 +1,60 @@
+import java.util.*;
+
+class VaultDoor1 {
+    public static void main(String args[]) {
+        VaultDoor1 vaultDoor = new VaultDoor1();
+        Scanner scanner = new Scanner(System.in);
+        System.out.print("Enter vault password: ");
+	String userInput = scanner.next();
+	String input = userInput.substring("picoCTF{".length(),userInput.length()-1);
+	if (vaultDoor.checkPassword(input)) {
+	    System.out.println("Access granted.");
+	} else {
+	    System.out.println("Access denied!");
+	}
+    }
+
+    // I came up with a more secure way to check the password without putting
+    // the password itself in the source code. I think this is going to be
+    // UNHACKABLE!! I hope Dr. Evil agrees...
+    //
+    // -Minion #8728
+    public boolean checkPassword(String password) {
+        return password.length() == 32 &&
+               password.charAt(0)  == 'd' &&
+               password.charAt(29) == '4' &&
+               password.charAt(4)  == 'r' &&
+               password.charAt(2)  == '5' &&
+               password.charAt(23) == 'r' &&
+               password.charAt(3)  == 'c' &&
+               password.charAt(17) == '4' &&
+               password.charAt(1)  == '3' &&
+               password.charAt(7)  == 'b' &&
+               password.charAt(10) == '_' &&
+               password.charAt(5)  == '4' &&
+               password.charAt(9)  == '3' &&
+               password.charAt(11) == 't' &&
+               password.charAt(15) == 'c' &&
+               password.charAt(8)  == 'l' &&
+               password.charAt(12) == 'H' &&
+               password.charAt(20) == 'c' &&
+               password.charAt(14) == '_' &&
+               password.charAt(6)  == 'm' &&
+               password.charAt(24) == '5' &&
+               password.charAt(18) == 'r' &&
+               password.charAt(13) == '3' &&
+               password.charAt(19) == '4' &&
+               password.charAt(21) == 'T' &&
+               password.charAt(16) == 'H' &&
+               password.charAt(27) == '0' &&
+               password.charAt(30) == 'e' &&
+               password.charAt(25) == '_' &&
+               password.charAt(22) == '3' &&
+               password.charAt(28) == 'e' &&
+               password.charAt(26) == 'a' &&
+               password.charAt(31) == 'b';
+    }
+}
+
+
+// picoCTF{d35cr4mbl3_tH3_cH4r4cT3r5_a0e4eb}