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-rw-r--r--activesupport/lib/active_support/message_verifier.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/message_verifier.rb b/activesupport/lib/active_support/message_verifier.rb
index 8e6e1dcfeb..41e2e5a88f 100644
--- a/activesupport/lib/active_support/message_verifier.rb
+++ b/activesupport/lib/active_support/message_verifier.rb
@@ -27,6 +27,7 @@ module ActiveSupport
class InvalidSignature < StandardError; end
def initialize(secret, options = {})
+ raise ArgumentError, 'Secret should not be nil.' if secret.nil?
@secret = secret
@digest = options[:digest] || 'SHA1'
@serializer = options[:serializer] || Marshal