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pcsc_scan - regularly scans every PC/SC readers connected to the host

NAME  SYNOPSIS  DESCRIPTION  OPTIONS  SEE ALSO  AUTHOR 

NAME

pcsc_scan − regularly scans every PC/SC readers connected to the host

SYNOPSIS

pcsc_scan [options]

DESCRIPTION

This manual page documents the pcsc_scan command.

pcsc_scan is a program that regularly scans every PC/SC readers connected to the host and display the status of the cards inserted in the readers.

The normal way to exit the program is to use Control-C.

When pcsc_scan is started it asks PC/SC layer the list of available smart card readers. The list is printed. A sequence number is printed before each reader.

Example:
PC/SC device scanner
V 1.6.2 (c) 2001-2022, Ludovic Rousseau <[email protected]>
Scanning present readers...
0: Gemalto PC Twin Reader

When a card is inserted in any reader some information is printed:
date and time:

Mon Oct 2 21:01:40 2023

reader name:

Reader 0: Gemalto PC Twin Reader

card state and occurred event:

Card state: Card inserted,

ATR in case of card insertion:

ATR: 3B 82 00 86 1E

print an ATR analysis if the ATR_analysis command is available:

ATR: 3B 82 00 86 1E
+ TS = 3B --> Direct Convention
+ T0 = 82, Y(1): 1000, K: 2 (historical bytes)
TD(1) = 00 --> Y(i+1) = 0000, Protocol T = 0
-----
+ Historical bytes: 86 1E

OPTIONS

−h

print help

−V

print version number

−n

do not print ATR analysis. Use this option if ATR_analysis is not available for example.

−r

prints the list of readers and then exits.

−c

prints the list of cards and then exits.

−s

stress mode. Sends APDU commands to the card indefinitely (until the card or the reader is removed).

−t secs

specify time program should run, in seconds. The program will terminate when this time has passed.

−q

quiet: prints minimal messages.

−v

verbose: prints additional messages (default).

−d

debug: prints what changed between .dwCurrentState and .dwEventState fields for each reader.

−p

Plug and Play: force the use of the "\\?PnP?\Notification" specific reader.

SEE ALSO

pcscd(8), ATR_analysis(1)

AUTHOR

Ludovic Rousseau <[email protected]>


Updated 2026-06-01 - jenkler.se | uex.se