Rails encryption/decryption helper

cipher.rb

module Cipher
  ENCRYPTOR = ActiveSupport::MessageEncryptor.new(Rails.application.secrets.secret_key_base)

  def self.encrypt(data)
    ENCRYPTOR.encrypt_and_sign(data)
  end
  
  def self.decrypt(data)
    ENCRYPTOR.decrypt_and_verify(data)
  end
end

# USAGE:

dat = {
  did: 993,
  dur: 60,
  fee: 0.04,
  adv: 100000,
  cts: 1496080663
}

dat = Cipher.encrypt(dat)
puts "Encrypted: #{dat}"
dat = Cipher.decrypt(dat)
puts "Decrypted: #{dat}"