*   rfc822Name                      [1]     IA5String,
   *   dNSName                         [2]     IA5String,
   *   x400Address                     [3]     ORAddress,
   *   directoryName                   [4]     Name,
   *   ediPartyName                    [5]     EDIPartyName,
   *   uniformResourceIdentifier       [6]     IA5String,
   *   iPAddress                       [7]     OCTET STRING,

   *     context.getCacheDir()}), and create your own directory under that. (For example, you might
   *     use {@code new File(context.getCacheDir(), "directoryname").mkdir()}, or, if you need an
   *     arbitrary number of temporary directories, you might have to generate multiple directory
   *     names in a loop until {@code mkdir()} returns {@code true}.) For JRE users, prefer {@link