license updating

app/models/my_aes_crypt.rb

@@ -1,5 +1,6 @@
 require 'openssl'
 require 'base64'
+require 'json'
 
 class MyAesCrypt
 	@cipher = ""
@@ -26,6 +27,21 @@ class MyAesCrypt
 		return cipher_key, cipher_iv
 	end
 
+	def export_to_file(passphrase)
+		file_path = "config/shops.json"
+		aes_key, aes_iv = export_key(passphrase)
+		tmpHash = { 
+			"lookup" => passphrase,
+			"key"	 => aes_key,
+			"iv"	 => aes_iv
+		}
+
+		File.open(file_path, "w") { |io|
+			io.write(tmpHash.to_json)
+		}
+
+	end
+
 	private
 	def encrypt(data)
 		cipher.encrypt