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#!/usr/bin/env python
"""
Set up a YubiKey for standard OTP with CR, then remove it.
"""
import sys
import struct
import yubico
import six
import binascii
slot=2
try:
YK = yubico.find_yubikey(debug=True)
print("Version : %s " % YK.version())
print("Status : %s " % YK.status())
Cfg = YK.init_config()
Cfg.extended_flag('ALLOW_UPDATE', True)
Cfg.ticket_flag('APPEND_CR', True)
Cfg.extended_flag('SERIAL_API_VISIBLE', True)
Cfg.uid = binascii.unhexlify('010203040506')
Cfg.fixed_string("m:ftccftbbftdd")
Cfg.aes_key('h:' + 32 * 'a')
user_input = six.moves.input('Write configuration to slot %i of YubiKey? [y/N] : ' % slot )
if user_input in ('y', 'ye', 'yes'):
YK.write_config(Cfg, slot=slot)
print("\nSuccess!")
print("Status : %s " % YK.status())
else:
print("\nAborted")
sys.exit(0)
six.moves.input("Press enter to update...")
Cfg = YK.init_config(update=True)
Cfg.ticket_flag('APPEND_CR', False)
print ("Updating...");
YK.write_config(Cfg, slot=slot)
print("\nSuccess!")
except yubico.yubico_exception.YubicoError as inst:
print("ERROR: %s" % inst.reason)
sys.exit(1)
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