lib/certificate_authority/serial_number.rb
require 'securerandom'
module CertificateAuthority
class SerialNumber
include Validations
include Revocable
attr_accessor :number
def validate
if self.number.nil?
errors.add :number, "must not be empty"
elsif self.number.to_i <= 0
errors.add :number, "must be greater than zero"
end
end
def initialize
self.number = SecureRandom.random_number(2**128-1)
end
end
end