# File lib/rhc/ssh_helpers.rb, line 133
    def ssh_key_triple_for(key)
      begin
        file = File.open key
      rescue Errno::ENOENT => e
        raise ::RHC::KeyFileNotExistentException.new("File '#{key}' does not exist.")
      rescue Errno::EACCES => e
        raise ::RHC::KeyFileAccessDeniedException.new("Access denied to '#{key}'.")
      end
      file.gets.chomp.split
    end