initial commit

app/Services/OpenSSLCryptoClass.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Services;
+
+class OpenSSLCryptoClass
+{
+    private string $secret_key = "6818f23eef19d38dad1d2729991f6368";
+    private string $secret_iv = "0ac35e3823616c810f86e526d1ed59e7";
+
+    public function encrypt_decrypt($action, $string) {
+        $output = false;
+
+        $encrypt_method = "AES-256-CBC";
+        $secret_key = $this->secret_key;
+        $secret_iv = $this->secret_iv;
+
+        // hash
+        $key = hash('sha256', $secret_key);
+
+        // iv - encrypt method AES-256-CBC expects 16 bytes - else you will get a warning
+        $iv = substr(hash('sha256', $secret_iv), 0, 16);
+
+        if ( $action == 'encrypt' ) {
+            $output = openssl_encrypt($string, $encrypt_method, $key, 0, $iv);
+            $output = base64_encode($output);
+        } else if( $action == 'decrypt' ) {
+            $output = openssl_decrypt(base64_decode($string), $encrypt_method, $key, 0, $iv);
+        }
+
+        return $output;
+    }
+}