96 lines
2.9 KiB
Python
96 lines
2.9 KiB
Python
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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from __future__ import absolute_import, division, unicode_literals
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# Copyright (C) 2018 Ben McGinnes <ben@gnupg.org>
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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#
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation; either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License and the GNU
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# Lesser General Public Licensefor more details.
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#
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# You should have received a copy of the GNU General Public License and the GNU
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# Lesser General Public along with this program; if not, see
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# <http://www.gnu.org/licenses/>.
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import gpg
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import os.path
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print("""
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This script generates a new key which does not expire.
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The gpg-agent and pinentry are invoked to set the passphrase.
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""")
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c = gpg.Context()
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homedir = input("Enter the GPG configuration directory path (optional): ")
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uid_name = input("Enter the name of the user ID: ")
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uid_email = input("Enter the email address of the user ID: ")
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uid_cmnt = input("Enter a comment to include (optional): ")
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key_algo = input("Enter the key algorithm, RSA or DSA (default is RSA): ")
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key_size = input("Enter the key size (2048-4096, default is 2048): ")
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if homedir.startswith("~"):
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if os.path.exists(os.path.expanduser(homedir)) is True:
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c.home_dir = os.path.expanduser(homedir)
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else:
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pass
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elif os.path.exists(homedir) is True:
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c.home_dir = homedir
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else:
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pass
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if len(uid_cmnt) > 0:
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userid = "{0} ({1}) <{2}>".format(uid_name, uid_cmnt, uid_email)
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else:
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userid = "{0} <{2}>".format(uid_name, uid_email)
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if key_algo.lower() == "dsa":
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ka = "dsa"
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else:
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ka = "rsa"
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if len(key_size) == 4:
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try:
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ks0 = int(key_size)
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except ValueError:
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ks0 = None
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if ks0 is None:
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ks = "2048"
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else:
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if ks0 < 2048:
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ks = "2048"
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elif ka == "dsa" and ks0 > 3072:
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ks = "3072"
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elif ka == "rsa" and ks0 > 4096:
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ks = "4096"
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else:
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ks = key_size
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else:
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ks = "2048"
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keyalgo = "{0}{1}".format(ka, ks)
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newkey = c.create_key(userid, algorithm=keyalgo, expires=False,
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passphrase=True, certify=True)
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key = c.get_key(newkey.fpr, secret=True)
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if ka == "rsa":
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newsub = c.create_subkey(key, algorithm=keyalgo, expires=False,
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passphrase=True, encrypt=True)
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else:
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newsub = c.create_subkey(key, expires=False, passphrase=True,
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encrypt=True)
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