From 79c847892f5a08515769ad2598d4e6726dcd65e3 Mon Sep 17 00:00:00 2001 From: Vipul A M Date: Sat, 9 Jul 2016 15:51:56 -0700 Subject: Start passing cipher from EncryptedCookieJar since we use it to determine key length --- activesupport/lib/active_support/message_encryptor.rb | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'activesupport/lib') diff --git a/activesupport/lib/active_support/message_encryptor.rb b/activesupport/lib/active_support/message_encryptor.rb index ab8b2f8ded..7b33dc3481 100644 --- a/activesupport/lib/active_support/message_encryptor.rb +++ b/activesupport/lib/active_support/message_encryptor.rb @@ -19,6 +19,8 @@ module ActiveSupport # encrypted_data = crypt.encrypt_and_sign('my secret data') # => "NlFBTTMwOUV5UlA1QlNEN2xkY2d6eThYWWh..." # crypt.decrypt_and_verify(encrypted_data) # => "my secret data" class MessageEncryptor + DEFAULT_CIPHER = "aes-256-cbc" + module NullSerializer #:nodoc: def self.load(value) value @@ -77,6 +79,11 @@ module ActiveSupport _decrypt(verifier.verify(value)) end + # Given a cipher, returns the key length of the cipher to help generate the key of desired size + def self.key_len(cipher = DEFAULT_CIPHER) + OpenSSL::Cipher.new(cipher).key_len + end + private def _encrypt(value) -- cgit v1.2.3