#!/usr/bin/env python

# Copyright (C) 2016 g10 Code GmbH

#

# This file is part of GPGME.

#

# GPGME 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.

#

# GPGME 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 Lesser General

# Public License for more details.

#

# You should have received a copy of the GNU Lesser General Public

# License along with this program; if not, see <http://www.gnu.org/licenses/>.

from __future__ import absolute_import, print_function, unicode_literals

del absolute_import, print_function, unicode_literals

import gpg

import support

c = gpg.Context()

source = gpg.Data(file=support.make_filename("cipher-1.asc"))

sink = gpg.Data()

c.op_decrypt(source, sink)

result = c.op_decrypt_result()

assert not result.unsupported_algorithm, \

    "Unsupported algorithm: {}".format(result.unsupported_algorithm)

support.print_data(sink)

# Idiomatic interface.

with gpg.Context() as c:

    plaintext, _, _ = c.decrypt(open(support.make_filename("cipher-1.asc")))

    assert len(plaintext) > 0

    assert plaintext.find(b'Wenn Sie dies lesen k') >= 0, \

        'Plaintext not found'