Add exams from exam58 to exam98

exam96/encryption.php

@@ -0,0 +1,27 @@
+<?php 
+
+if (isset($_POST['password']) && !empty($_POST['password'])) {
+    $pass = md5($_POST['password']);
+    
+    $filename = 'hash.txt';
+    $handle = fopen($filename,'r');
+    $file_pass = fread($handle,filesize($filename));
+
+    if($pass == $file_pass){
+        echo 'Password ok!';
+    }else{
+        echo 'Incorrect passwrod';
+    }
+
+
+} else{
+    echo 'Please enter the password!';
+}
+
+
+?>
+
+<form action="encryption.php" method="POST">
+    Password:<input type="text" name="password"><br><br>
+    <input type="submit" value="Submit"> 
+</form>