Yubico Forum

robertm@Sys76:~$ opensc-tool --list-readers
# Detected readers (pcsc)
Nr.  Card  Features  Name
0    Yes             Yubico Yubikey NEO OTP+CCID 00 00

robertm@Sys76:~$ pcsc_scan
PC/SC device scanner
V 1.4.23 (c) 2001-2011, Ludovic Rousseau <ludovic.rousseau@free.fr>
Compiled with PC/SC lite version: 1.8.11
Using reader plug'n play mechanism
Scanning present readers...
0: Yubico Yubikey NEO OTP+CCID 00 00

Tue Jul 14 05:19:00 2015
Reader 0: Yubico Yubikey NEO OTP+CCID 00 00
  Card state: Card inserted,
  ATR: 3B FA 13 00 00 81 31 FE 15 59 75 62 69 6B 65 79 4E 45 4F A6

ATR: 3B FA 13 00 00 81 31 FE 15 59 75 62 69 6B 65 79 4E 45 4F A6
+ TS = 3B --> Direct Convention
+ T0 = FA, Y(1): 1111, K: 10 (historical bytes)
  TA(1) = 13 --> Fi=372, Di=4, 93 cycles/ETU
    43010 bits/s at 4 MHz, fMax for Fi = 5 MHz => 53763 bits/s
  TB(1) = 00 --> VPP is not electrically connected
  TC(1) = 00 --> Extra guard time: 0
  TD(1) = 81 --> Y(i+1) = 1000, Protocol T = 1
-----
  TD(2) = 31 --> Y(i+1) = 0011, Protocol T = 1
-----
  TA(3) = FE --> IFSC: 254
  TB(3) = 15 --> Block Waiting Integer: 1 - Character Waiting Integer: 5
+ Historical bytes: 59 75 62 69 6B 65 79 4E 45 4F
  Category indicator byte: 59 (proprietary format)
+ TCK = A6 (correct checksum)

Possibly identified card (using /usr/share/pcsc/smartcard_list.txt):
3B FA 13 00 00 81 31 FE 15 59 75 62 69 6B 65 79 4E 45 4F A6
   Yubikey NEO

robertm@Sys76:~$ ykinfo -a
serial: 2101626
serial_hex: 20117a
serial_modhex: dcbbil
version: 3.1.2
touch_level: 1541
programming_sequence: 1
slot1_status: 1
slot2_status: 0
vendor_id: 1050
product_id: 111

robertm@Sys76:~$ yubico-piv-tool -s 9a -a generate -o public.pem
Failed to connect to reader.

robertm@Sys76:~$ yubico-piv-tool -a status
Failed to connect to reader.