diff --git a/ios/Classes/SwiftNativeCryptoPlugin.swift b/ios/Classes/SwiftNativeCryptoPlugin.swift
index f4f920a..07043a7 100644
--- a/ios/Classes/SwiftNativeCryptoPlugin.swift
+++ b/ios/Classes/SwiftNativeCryptoPlugin.swift
@@ -1,3 +1,9 @@
+//
+//  NativeCryptoPlugin
+//
+//  Copyright (c) 2020
+//  Author: Hugo Pointcheval
+//
 import Flutter
 import UIKit
 import CommonCrypto
@@ -13,7 +19,6 @@ extension FlutterStandardTypedData {
   }
 }
 
-
 func crypt(operation: Int, algorithm: Int, options: Int, key: Data,
         initializationVector: Data, dataIn: Data) -> Data? {
     return key.withUnsafeBytes { keyUnsafeRawBufferPointer in