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verifydetails.py
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verifydetails.py
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#!/usr/bin/env python
#
# Copyright (C) 2016 g10 Code GmbH
# Copyright (C) 2004,2008 Igor Belyi <belyi@users.sourceforge.net>
# Copyright (c) 2008 Bernhard Reiter <bernhard@intevation.de>
#
# This program 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.
#
# This program 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
# General Public License for more details.
#
# You should have received a copy of the GNU 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 sys
import os
from pyme import core
from pyme.constants import protocol
def print_engine_infos():
print("gpgme version:", core.check_version(None))
print("engines:")
for engine in core.get_engine_info():
print(engine.file_name, engine.version)
for proto in [protocol.OpenPGP, protocol.CMS]:
print("Have {}? {}".format(core.get_protocol_name(proto),
core.engine_check_version(proto)))
def verifyprintdetails(filename, detached_sig_filename=None):
"""Verify a signature, print a lot of details."""
with core.Context() as c:
# Verify.
data, result = c.verify(open(filename),
open(detached_sig_filename)
if detached_sig_filename else None)
# List results for all signatures. Status equal 0 means "Ok".
for index, sign in enumerate(result.signatures):
print("signature", index, ":")
print(" summary: %#0x" % (sign.summary))
print(" status: %#0x" % (sign.status))
print(" timestamp: ", sign.timestamp)
print(" fingerprint:", sign.fpr)
print(" uid: ", c.get_key(sign.fpr, 0).uids[0].uid)
# Print "unsigned" text if inline signature
if data:
sys.stdout.buffer.write(data)
def main():
print_engine_infos()
print()
argc = len(sys.argv)
if argc < 2 or argc > 3:
sys.exit(
"Usage: {} <filename>[ <detached_signature_filename>]".format(
sys.argv[0]))
if argc == 2:
print("trying to verify file {}.".format(sys.argv[1]))
verifyprintdetails(sys.argv[1])
if argc == 3:
print("trying to verify signature {1} for file {0}.".format(*sys.argv))
verifyprintdetails(sys.argv[1], sys.argv[2])
if __name__ == "__main__":
main()

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