Read cardholder name from Estonian ID card using the Python smart card framework pyscard

read-esteid-firstname.py

# Prerequisites:
#    sudo apt install build-essential swig python-dev
#    virtualenv venv
#    source venv/bin/activate
#    pip install pyscard

from __future__ import print_function
from smartcard.System import readers

SELECT_EE_FOLDER = [0x00, 0xA4, 0x01, 0x0C, 0x02, 0xEE, 0xEE]
SELECT_PERSONAL_DATA_FILE = [0x00, 0xA4, 0x02, 0x04, 0x02, 0x50, 0x44]
READ_FIRST_NAME_RECORD = [0x00, 0xB2, 0x02, 0x04]

READ_FIRST_NAME_APDUS = (
    SELECT_EE_FOLDER,
    SELECT_PERSONAL_DATA_FILE,
    READ_FIRST_NAME_RECORD
)

# select OMNIKEY reader
reader = next((reader for reader in readers()
    if reader.name.startswith('OMNIKEY')), None)

# establish connection to card
connection = reader.createConnection()
connection.connect()

# exchange APDUs to read first name from card
for apdu in READ_FIRST_NAME_APDUS:
    response, sw1, sw2 = connection.transmit(apdu)

# print out first name stored in last response
print(''.join(chr(x) for x in response))