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-rw-r--r--activesupport/test/message_encryptor_test.rb18
1 files changed, 18 insertions, 0 deletions
diff --git a/activesupport/test/message_encryptor_test.rb b/activesupport/test/message_encryptor_test.rb
index a1ff4c1d3e..5dfa187f36 100644
--- a/activesupport/test/message_encryptor_test.rb
+++ b/activesupport/test/message_encryptor_test.rb
@@ -70,6 +70,24 @@ class MessageEncryptorTest < ActiveSupport::TestCase
assert_not_verified([iv, message] * bad_encoding_characters)
end
+ def test_aead_mode_encryption
+ encryptor = ActiveSupport::MessageEncryptor.new(@secret, cipher: 'aes-256-gcm')
+ message = encryptor.encrypt_and_sign(@data)
+ assert_equal @data, encryptor.decrypt_and_verify(message)
+ end
+
+ def test_messing_with_aead_values_causes_failures
+ encryptor = ActiveSupport::MessageEncryptor.new(@secret, cipher: 'aes-256-gcm')
+ text, iv, auth_tag = encryptor.encrypt_and_sign(@data).split("--")
+ assert_not_decrypted([iv, text, auth_tag] * "--")
+ assert_not_decrypted([munge(text), iv, auth_tag] * "--")
+ assert_not_decrypted([text, munge(iv), auth_tag] * "--")
+ assert_not_decrypted([text, iv, munge(auth_tag)] * "--")
+ assert_not_decrypted([munge(text), munge(iv), munge(auth_tag)] * "--")
+ assert_not_decrypted([text, iv] * "--")
+ assert_not_decrypted([text, iv, auth_tag[0..-2]] * "--")
+ end
+
private
def assert_not_decrypted(value)