78 lines
2.7 KiB
Python
Executable File
78 lines
2.7 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (C) 2016 g10 Code GmbH
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#
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# This file is part of GPGME.
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#
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# GPGME is free software; you can redistribute it and/or modify it
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# 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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# GPGME 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
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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# Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this program; if not, see <https://www.gnu.org/licenses/>.
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from __future__ import absolute_import, print_function, unicode_literals
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import gpg
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import support
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del absolute_import, print_function, unicode_literals
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def check_verify_result(result, summary, fpr, status):
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assert len(result.signatures) == 1, "Unexpected number of signatures"
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sig = result.signatures[0]
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assert sig.summary == summary, "Unexpected signature summary"
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assert sig.fpr == fpr
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assert gpg.errors.GPGMEError(sig.status).getcode() == status
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assert len(sig.notations) == 0
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assert not sig.wrong_key_usage
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assert sig.validity == gpg.constants.validity.FULL
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assert gpg.errors.GPGMEError(
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sig.validity_reason).getcode() == gpg.errors.NO_ERROR
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c = gpg.Context()
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source = gpg.Data(file=support.make_filename("cipher-2.asc"))
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sink = gpg.Data()
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c.op_decrypt_verify(source, sink)
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result = c.op_decrypt_result()
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assert not result.unsupported_algorithm, \
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"Unsupported algorithm: {}".format(result.unsupported_algorithm)
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support.print_data(sink)
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verify_result = c.op_verify_result()
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check_verify_result(
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verify_result, gpg.constants.sigsum.VALID | gpg.constants.sigsum.GREEN,
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"A0FF4590BB6122EDEF6E3C542D727CC768697734", gpg.errors.NO_ERROR)
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# Idiomatic interface.
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with gpg.Context() as c:
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alpha = c.get_key("A0FF4590BB6122EDEF6E3C542D727CC768697734", False)
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bob = c.get_key("D695676BDCEDCC2CDD6152BCFE180B1DA9E3B0B2", False)
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plaintext, _, verify_result = \
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c.decrypt(open(support.make_filename("cipher-2.asc")), verify=[alpha])
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assert plaintext.find(b'Wenn Sie dies lesen k') >= 0, \
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'Plaintext not found'
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check_verify_result(
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verify_result, gpg.constants.sigsum.VALID | gpg.constants.sigsum.GREEN,
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"A0FF4590BB6122EDEF6E3C542D727CC768697734", gpg.errors.NO_ERROR)
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try:
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c.decrypt(
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open(support.make_filename("cipher-2.asc")), verify=[alpha, bob])
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except Exception as e:
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assert len(e.missing) == 1
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assert e.missing[0] == bob
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else:
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assert False, "Expected an error, got none"
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