Tool overview: https://my.eng.utah.edu/~sdean/doc/Tools.html

====== Smartcard ======
  * List smartcard readers: ''opensc-tool -l''
  * Scan smartcard readers regularly: ''pcsc_scan''
  * List PKCS11 modules: ''p11-kit list-modules''

===== p11tool =====
(sometimes it's necessary to provide the PKCS11 provider ''--provider=/usr/lib/opensc-pkcs11.so'')

  * List available tokens: ''p11tool --list-tokens''
  * List available token URLs: ''p11tool --list-all''
  * List all available objects in a token: ''p11tool --list-all "<TOKEN URL>"''
  * List all available certificates in a token: ''p11tool --list-all-certs "<TOKEN URL>"''
  * List all certificates that have an associated private key: ''p11tool --list-certs "<TOKEN URL>"''
  * List all available certificates marked as trusted: ''p11tool --list-all-trusted  "<TOKEN URL>"''
  * List all available private keys in a token: ''p11tool --list-all-trusted  "<TOKEN URL>"''

===== pkcs11-tool =====
  * Test tokens: ''pkcs11-tool --module /usr/lib/opensc-pkcs11.so --login --test''
  * Display objects: ''pkcs11-tool --module /usr/lib/opensc-pkcs11.so --login --list-objects''
  * ''pkcs11-tool --list-token-slots''

===== pkcs15-tool =====
  * List all card objects (compact): ''pkcs15-tool --dump --short''
  * List all card objects: ''pkcs15-tool --dump''
  * ''pkcs15-tool --list-certificates''