if !timestamp
raise Blob::InvalidSignatureError.new 'No signature provided.'
end
- if !timestamp.match /^[\da-f]+$/
+ unless timestamp =~ /^[\da-f]+$/
raise Blob::InvalidSignatureError.new 'Timestamp is not a base16 number.'
end
if timestamp.to_i(16) < (opts[:now] or db_current_time.to_i)