more

2024-06-09 14:48:10 +02:00
parent 3fd4d0d326
commit 584e1cef2d
59 changed files with 786 additions and 0 deletions
--- a/vault-door-1/VaultDoor1.java
+++ b/vault-door-1/VaultDoor1.java
@@ -0,0 +1,57 @@
+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) == '3' &&
+               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) == 'f' &&
+               password.charAt(30) == 'b' &&
+               password.charAt(25) == '_' &&
+               password.charAt(22) == '3' &&
+               password.charAt(28) == '6' &&
+               password.charAt(26) == 'f' &&
+               password.charAt(31) == '0';
+    }
+}