docs: function hash_string_to_words(string) {
  	var sha = new SHA224();
  	sha.write(string);
  	var view = new DataView(sha.digest().buffer);
  	var digest = new Uint32Array(7);
  	for (var i = 0; i < 7; ++i) {
  		digest[i] = view.getUint32(i * 4);
  	}
  	return digest;
  }