3e0f68fdff
* Since we don't want to encourage accessing the low level functions (e.g. op_encrypt), but since this example can still be useful to understand, renaming it and will add new encryption examples to match the instructions in the HOWTO.
54 lines
2.0 KiB
Python
Executable File
54 lines
2.0 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright (C) 2016 g10 Code GmbH
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# Copyright (C) 2008 Igor Belyi <belyi@users.sourceforge.net>
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# Copyright (C) 2002 John Goerzen <jgoerzen@complete.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, see <http://www.gnu.org/licenses/>.
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"""
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This program will try to encrypt a simple message to each key on your
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keyring. If your keyring has any invalid keys on it, those keys will
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be skipped and it will re-try the encryption."""
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from __future__ import absolute_import, print_function, unicode_literals
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del absolute_import, print_function, unicode_literals
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import sys
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import gpg
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with gpg.Context(armor=True) as c:
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recipients = list()
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for key in c.keylist():
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valid = 0
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if any(sk.can_encrypt for sk in key.subkeys):
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recipients.append(key)
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print("Adding recipient {0}.".format(key.uids[0].uid))
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ciphertext = None
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while not ciphertext:
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print("Encrypting to %d recipients" % len(recipients))
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try:
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ciphertext, _, _ = c.encrypt(b'This is my message.',
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recipients=recipients)
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except gpg.errors.InvalidRecipients as e:
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print("Encryption failed for these keys:\n{0!s}".format(e))
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# filter out the bad keys
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bad_keys = {bad.fpr for bad in e.recipients}
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recipients = [r for r in recipients
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if not r.subkeys[0].fpr in bad_keys]
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sys.stdout.buffer.write(ciphertext)
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