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Exercise 1: Explore the Cyberflex

There is no standard way to list files on a smartcard except by exhaustively searching the 16-bit name space. Cyberflex is easy because it has a "list" function, and the sectok command knows how to list files on the Cyberflex card.


You can destroy your card with the sectok "login" and "setpass" commands. Do not use these commands until instructed to do so.

  1. Plug in your card reader.
  2. Insert the Cyberflex card in the reader, chip facing you and toward the bottom.
  3. Run sectok.
  4. Reset the card.
  5. List the files.

% sectok
sectok> reset
sectok> ls
sectok> q