Current File : //usr/share/doc/python3-gpg/examples/howto/export-secret-key.py
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from __future__ import absolute_import, division, unicode_literals
import gpg
import os
import os.path
import sys
# Copyright (C) 2018 Ben McGinnes <ben@gnupg.org>
#
# This program 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.
#
# This program 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 2.1 of the License, or (at your option)
# any later version.
#
# This program 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 and the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU General Public License and the GNU
# Lesser General Public along with this program; if not, see
# <https://www.gnu.org/licenses/>.
print("""
This script exports one or more secret keys.
The gpg-agent and pinentry are invoked to authorise the export.
""")
c = gpg.Context(armor=True)
if len(sys.argv) >= 4:
keyfile = sys.argv[1]
logrus = sys.argv[2]
homedir = sys.argv[3]
elif len(sys.argv) == 3:
keyfile = sys.argv[1]
logrus = sys.argv[2]
homedir = input("Enter the GPG configuration directory path (optional): ")
elif len(sys.argv) == 2:
keyfile = sys.argv[1]
logrus = input("Enter the UID matching the secret key(s) to export: ")
homedir = input("Enter the GPG configuration directory path (optional): ")
else:
keyfile = input("Enter the path and filename to save the secret key to: ")
logrus = input("Enter the UID matching the secret key(s) to export: ")
homedir = input("Enter the GPG configuration directory path (optional): ")
if len(homedir) == 0:
homedir = None
elif homedir.startswith("~"):
userdir = os.path.expanduser(homedir)
if os.path.exists(userdir) is True:
homedir = os.path.realpath(userdir)
else:
homedir = None
else:
homedir = os.path.realpath(homedir)
if homedir is not None and os.path.exists(homedir) is False:
homedir = None
elif homedir is not None and os.path.exists(homedir) is True:
if os.path.isdir(homedir) is False:
homedir = None
else:
pass
if homedir is not None:
c.home_dir = homedir
else:
pass
try:
result = c.key_export_secret(pattern=logrus)
except:
result = c.key_export_secret(pattern=None)
if result is not None:
with open(keyfile, "wb") as f:
f.write(result)
os.chmod(keyfile, 0o600)
else:
pass
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