encyrptionish

encyrption.rb

require 'openssl'

def process_token_encryption(token)
  raise ArgumentError, 'Cipher block not provided' unless block_given?
  cipher = OpenSSL::Cipher::AES.new(128, :CBC)
  yield cipher
  cipher.pkcs5_keyivgen('password', '8 octets')
  encrypted = cipher.update(token)
  encrypted << cipher.final
  encrypted
end

def encrypt_token(token)
  process_token_encryption token do |cipher|
    cipher.encrypt
  end
end

def decrypt_token(token)
  process_token_encryption token do |cipher|
    cipher.decrypt
  end
end