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"""
Copyright (c) 2015-2018 Nitrokey UG
This file is part of libnitrokey.
libnitrokey is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
any later version.
libnitrokey is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with libnitrokey. If not, see <http://www.gnu.org/licenses/>.
SPDX-License-Identifier: LGPL-3.0
"""
import cffi
ffi = cffi.FFI()
gs = ffi.string
def to_hex(s):
return "".join("{:02x}".format(ord(c)) for c in s)
def wait(t):
import time
msg = 'Waiting for %d seconds' % t
print(msg.center(40, '='))
time.sleep(t)
def cast_pointer_to_tuple(obj, typen, len):
# usage:
# config = cast_pointer_to_tuple(config_raw_data, 'uint8_t', 5)
return tuple(ffi.cast("%s [%d]" % (typen, len), obj)[0:len])
def get_devices_firmware_version(C):
firmware = C.NK_get_minor_firmware_version()
return firmware
def is_pro_rtm_07(C):
firmware = get_devices_firmware_version(C)
return firmware == 7
def is_pro_rtm_08(C):
firmware = get_devices_firmware_version(C)
return firmware in [8,9]
def is_storage(C):
"""
exact firmware storage is sent by other function
"""
# TODO identify connected device directly
firmware = get_devices_firmware_version(C)
return firmware >= 45
def is_long_OTP_secret_handled(C):
return is_pro_rtm_08(C) or is_storage(C) and get_devices_firmware_version(C) >= 54
def has_binary_counter(C):
return (not is_storage(C)) or (is_storage(C) and get_devices_firmware_version(C) >= 54)
def bb(x):
return bytes(x, encoding='ascii')
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