64 lines
1.9 KiB
Python
64 lines
1.9 KiB
Python
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#!/usr/bin/env python3
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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 <http://www.gnu.org/licenses/>.
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import sys
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import random
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from pyme import core, constants
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import support
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if len(sys.argv) == 2:
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nbytes = int(sys.argv[1])
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else:
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nbytes = 100000
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support.init_gpgme(constants.PROTOCOL_OpenPGP)
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c = core.Context()
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ntoread = nbytes
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def read_cb(amount):
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global ntoread
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chunk = ntoread if ntoread < amount else amount
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ntoread -= chunk
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assert ntoread >= 0
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assert chunk >= 0
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return bytes(random.randrange(256) for i in range(chunk))
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nwritten = 0
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def write_cb(data):
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global nwritten
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nwritten += len(data)
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return len(data)
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source = core.Data(cbs=(read_cb, None, None, lambda: None))
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sink = core.Data(cbs=(None, write_cb, None, lambda: None))
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keys = []
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keys.append(c.get_key("A0FF4590BB6122EDEF6E3C542D727CC768697734", False))
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keys.append(c.get_key("D695676BDCEDCC2CDD6152BCFE180B1DA9E3B0B2", False))
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c.op_encrypt(keys, constants.ENCRYPT_ALWAYS_TRUST, source, sink)
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result = c.op_encrypt_result()
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assert not result.invalid_recipients, \
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"Invalid recipient encountered: {}".format(result.invalid_recipients.fpr)
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assert ntoread == 0
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if support.verbose:
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sys.stderr.write(
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"plaintext={} bytes, ciphertext={} bytes\n".format(nbytes, nwritten))
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