diff --git a/read.php b/read.php
new file mode 100644
index 0000000..2c54ef5
--- /dev/null
+++ b/read.php
@@ -0,0 +1,83 @@
+connect_error) {
+ die("Connection failed: " . $conn->connect_error);
+ }
+
+ $sql = "SELECT sender, receiver FROM smz_messages_metadata WHERE message='$id'";
+ $result = $conn->query($sql);
+ $conn->close();
+ if ($result->num_rows > 0) {
+ while($row = $result->fetch_assoc()) {
+ if ($row["sender"] == $uid){
+ return "internal";
+ }else if($row["receiver"] == $uid){
+ return "external";
+ }else{
+ return false;
+ }
+ }
+ } else {
+ return false;
+ }
+}
+
+function getData($id){
+ global $dbservername;
+ global $dbusername;
+ global $dbpassword;
+ global $dbname;
+ $conn = new mysqli($dbservername, $dbusername, $dbpassword, $dbname);
+ if ($conn->connect_error) {
+ die("Connection failed: " . $conn->connect_error);
+ }
+ $type = "".getMessageType($id)."_key";
+
+ $sql = "SELECT message_body, iv, $type FROM smz_messages_data WHERE message_id='$id'";
+ $result = $conn->query($sql);
+ $conn->close();
+ if ($result->num_rows > 0) {
+ while($row = $result->fetch_assoc()) {
+ decrypt($row["$type"], $row["message_body"], $row["iv"]);
+ }
+ } else {
+ return false;
+ }
+}
+
+function decrypt($aeskey, $body, $iv){
+ include('keyGrab.php');
+ $key = grabPrivateKey();
+
+ $decryptedAesKey = '';
+ $decryptionOk = openssl_private_decrypt(base64_decode($aeskey), $decryptedAesKey, $key, OPENSSL_PKCS1_PADDING);
+
+ if ($decryptionOk === false) {
+ die("Fehler beim Entschlüsseln des AES-Schlüssels: " . openssl_error_string());
+ }
+
+ // Nachricht mit AES entschlüsseln
+ $decryptedMessage = openssl_decrypt(base64_decode($body), 'aes-256-cbc', $decryptedAesKey, 0, base64_decode($iv));
+
+ echo $decryptedMessage;
+}
+
+
+getData($id);
+
+ ?>
diff --git a/send.php b/send.php
index a895af3..ff03abe 100644
--- a/send.php
+++ b/send.php
@@ -8,13 +8,13 @@ include('../Auth/index.php');
$by = filter_var($_POST["by"], FILTER_SANITIZE_STRING);
$receiver = filter_var($_POST["receiver"], FILTER_SANITIZE_STRING);
-$body = filter_var($_POST["body"], FILTER_SANITIZE_STRING);
+$allowedTags = "