$ fq -d asn1_ber dv tc28.ber
   |00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f|0123456789abcdef|.{}: tc28.ber (asn1_ber) 0x0-0x2.7 (3)
0x0|01                                             |.               |  class: "universal" (0) 0x0-0x0.1 (0.2)
0x0|01                                             |.               |  form: "primitive" (0) 0x0.2-0x0.2 (0.1)
0x0|01                                             |.               |  tag: "boolean" (0x1) 0x0.3-0x0.7 (0.5)
0x0|   01                                          | .              |  length: 1 0x1-0x1.7 (1)
0x0|      ff|                                      |  .|            |  value: true (255) 0x2-0x2.7 (1)