lib/xml/kit/crypto.rb in xml-kit-0.1.11 vs lib/xml/kit/crypto.rb in xml-kit-0.1.12

@@ -1,13 +1,15 @@
+# frozen_string_literal: true
+
 require 'xml/kit/crypto/oaep_cipher'
 require 'xml/kit/crypto/rsa_cipher'
 require 'xml/kit/crypto/symmetric_cipher'
 require 'xml/kit/crypto/unknown_cipher'
 
 module Xml
   module Kit
     module Crypto
-      CIPHERS = [ SymmetricCipher, RsaCipher, OaepCipher, UnknownCipher ]
+      CIPHERS = [SymmetricCipher, RsaCipher, OaepCipher, UnknownCipher].freeze
 
       # @!visibility private
       def self.cipher_for(algorithm, key)
         CIPHERS.find { |x| x.matches?(algorithm) }.new(algorithm, key)
       end