code: function rstr2binb(input)
  {
    var output = Array(input.length >> 2);
    for(var i = 0; i < output.length; i++)
      output[i] = 0;
    for(var i = 0; i < input.length * 8; i += 8)
      output[i>>5] |= (input.charCodeAt(i / 8) & 0xFF) << (24 - i % 32);
    return output;
  }
docs: /*
  Convert a raw string to an array of big-endian words
  Characters >255 have their high-byte silently ignored.