wolfcrypt-py/wolfcrypt/__init__.py

61 lines
2.3 KiB
Python

# __init__.py
#
# Copyright (C) 2006-2022 wolfSSL Inc.
#
# This file is part of wolfSSL. (formerly known as CyaSSL)
#
# wolfSSL is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# wolfSSL 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 General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
from wolfcrypt._version import __version__, __wolfssl_version__
__title__ = "wolfcrypt"
__summary__ = "Python module that encapsulates wolfSSL's crypto engine API."
__uri__ = "https://github.com/wolfssl/wolfcrypt-py"
__author__ = "wolfSSL Inc."
__email__ = "info@wolfssl.com"
__license__ = "GPLv2 or Commercial License"
__copyright__ = "Copyright (C) 2006-2022 wolfSSL Inc"
__all__ = [
"__title__", "__summary__", "__uri__", "__version__",
"__author__", "__email__", "__license__", "__copyright__",
"ciphers", "hashes", "random", "pwdbased"
]
import os
import sys
top_level_py = os.path.basename(sys.argv[0])
# The code below is intended to only be used after the CFFI is built, so we
# don't want it invoked whilst building the CFFI with build_ffi.py or setup.py.
if top_level_py not in ["setup.py", "build_ffi.py"]:
from wolfcrypt._ffi import ffi as _ffi
from wolfcrypt._ffi import lib as _lib
if hasattr(_lib, 'WC_RNG_SEED_CB_ENABLED'):
if _lib.WC_RNG_SEED_CB_ENABLED:
ret = _lib.wc_SetSeed_Cb(_ffi.addressof(_lib, "wc_GenerateSeed"))
if ret < 0:
raise WolfCryptError("wc_SetSeed_Cb failed (%d)" % ret)
if _lib.FIPS_ENABLED and _lib.FIPS_VERSION >= 5:
ret = _lib.wolfCrypt_SetPrivateKeyReadEnable_fips(1,
_lib.WC_KEYTYPE_ALL);
if ret < 0:
raise WolfCryptError("wolfCrypt_SetPrivateKeyReadEnable_fips failed"
" (%d)" % ret)