From 51258975d763c9471859d635e6080c2ec02e8647 Mon Sep 17 00:00:00 2001 From: Ben McGinnes Date: Tue, 20 Mar 2018 14:32:53 +1100 Subject: [PATCH] example: decrypt file * Decrypts a file taking file names as command line parameters. --- lang/python/examples/howto/decrypt-file.py | 44 ++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100755 lang/python/examples/howto/decrypt-file.py diff --git a/lang/python/examples/howto/decrypt-file.py b/lang/python/examples/howto/decrypt-file.py new file mode 100755 index 00000000..60a050bd --- /dev/null +++ b/lang/python/examples/howto/decrypt-file.py @@ -0,0 +1,44 @@ +#!/usr/bin/env python3 +# -*- coding: utf-8 -*- + +from __future__ import absolute_import, division, unicode_literals + +# Copyright (C) 2018 Ben McGinnes +# +# 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 free software; you can redistribute it and/or modify it under +# the terms of the GNU Lesser General Public License as published by the Free +# Software Foundation; either version 2.1 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 and the GNU +# Lesser General Public Licensefor more details. +# +# You should have received a copy of the GNU General Public License and the GNU +# Lesser General Public along with this program; if not, see +# . + +import gpg +import sys + +if len(sys.argv) == 3: + ciphertext = sys.argv[1] + newfile = sys.argv[2] +elif len(sys.argv) == 2: + ciphertext = sys.argv[1] + newfile = input("Enter path and filename of file to save decrypted data to: ") +else: + ciphertext = input("Enter path and filename of encrypted file: ") + newfile = input("Enter path and filename of file to save decrypted data to: ") + +with open(ciphertext, "rb") as cfile: + plaintext, result, verify_result = gpg.Context().decrypt(cfile) + +with open(newfile, "wb") as nfile: + nfile.write(plaintext)