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-rw-r--r--activesupport/lib/active_support/message_verifier.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/message_verifier.rb b/activesupport/lib/active_support/message_verifier.rb
index 74e080a23d..fcdc09ff08 100644
--- a/activesupport/lib/active_support/message_verifier.rb
+++ b/activesupport/lib/active_support/message_verifier.rb
@@ -26,6 +26,8 @@ module ActiveSupport
end
def verify(signed_message)
+ raise InvalidSignature if signed_message.blank?
+
data, digest = signed_message.split("--")
if secure_compare(digest, generate_digest(data))
Marshal.load(ActiveSupport::Base64.decode64(data))