karlentwistle/ruby_home

module RubyHome
  module HexHelper
    def self.pad(input, pad_length: 24)
      pack_hex_string(unpack_hex_string(input).rjust(pad_length, "0"))
    end

    def self.unpack_hex_string(input)
      input.to_s.unpack1("H*")
    end

    def self.pack_hex_string(input)
      [input].pack("H*")
    end
  end
end