222 lines
10 KiB
Python
222 lines
10 KiB
Python
# Copyright 2011 OpenStack Foundation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Tests for Crypto module.
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"""
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import os
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from cryptography.hazmat import backends
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from cryptography.hazmat.primitives import serialization
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import mock
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from oslo_concurrency import processutils
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import paramiko
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import six
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from nova import crypto
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from nova import exception
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from nova import test
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from nova import utils
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class EncryptionTests(test.NoDBTestCase):
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pubkey = ("ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDArtgrfBu/g2o28o+H2ng/crv"
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"zgES91i/NNPPFTOutXelrJ9QiPTPTm+B8yspLsXifmbsmXztNOlBQgQXs6usxb4"
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"fnJKNUZ84Vkp5esbqK/L7eyRqwPvqo7btKBMoAMVX/kUyojMpxb7Ssh6M6Y8cpi"
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"goi+MSDPD7+5yRJ9z4mH9h7MCY6Ejv8KTcNYmVHvRhsFUcVhWcIISlNWUGiG7rf"
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"oki060F5myQN3AXcL8gHG5/Qb1RVkQFUKZ5geQ39/wSyYA1Q65QTba/5G2QNbl2"
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"0eAIBTyKZhN6g88ak+yARa6BLLDkrlP7L4WctHQMLsuXHohQsUO9AcOlVMARgrg"
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"uF test@test")
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prikey = """-----BEGIN RSA PRIVATE KEY-----
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MIIEpQIBAAKCAQEAwK7YK3wbv4NqNvKPh9p4P3K784BEvdYvzTTzxUzrrV3payfU
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Ij0z05vgfMrKS7F4n5m7Jl87TTpQUIEF7OrrMW+H5ySjVGfOFZKeXrG6ivy+3ska
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sD76qO27SgTKADFV/5FMqIzKcW+0rIejOmPHKYoKIvjEgzw+/uckSfc+Jh/YezAm
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OhI7/Ck3DWJlR70YbBVHFYVnCCEpTVlBohu636JItOtBeZskDdwF3C/IBxuf0G9U
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VZEBVCmeYHkN/f8EsmANUOuUE22v+RtkDW5dtHgCAU8imYTeoPPGpPsgEWugSyw5
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K5T+y+FnLR0DC7Llx6IULFDvQHDpVTAEYK4LhQIDAQABAoIBAF9ibrrgHnBpItx+
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qVUMbriiGK8LUXxUmqdQTljeolDZi6KzPc2RVKWtpazBSvG7skX3+XCediHd+0JP
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DNri1HlNiA6B0aUIGjoNsf6YpwsE4YwyK9cR5k5YGX4j7se3pKX2jOdngxQyw1Mh
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dkmCeWZz4l67nbSFz32qeQlwrsB56THJjgHB7elDoGCXTX/9VJyjFlCbfxVCsIng
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inrNgT0uMSYMNpAjTNOjguJt/DtXpwzei5eVpsERe0TRRVH23ycS0fuq/ancYwI/
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MDr9KSB8r+OVGeVGj3popCxECxYLBxhqS1dAQyJjhQXKwajJdHFzidjXO09hLBBz
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FiutpYUCgYEA6OFikTrPlCMGMJjSj+R9woDAOPfvCDbVZWfNo8iupiECvei88W28
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RYFnvUQRjSC0pHe//mfUSmiEaE+SjkNCdnNR+vsq9q+htfrADm84jl1mfeWatg/g
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zuGz2hAcZnux3kQMI7ufOwZNNpM2bf5B4yKamvG8tZRRxSkkAL1NV48CgYEA08/Z
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Ty9g9XPKoLnUWStDh1zwG+c0q14l2giegxzaUAG5DOgOXbXcw0VQ++uOWD5ARELG
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g9wZcbBsXxJrRpUqx+GAlv2Y1bkgiPQS1JIyhsWEUtwfAC/G+uZhCX53aI3Pbsjh
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QmkPCSp5DuOuW2PybMaw+wVe+CaI/gwAWMYDAasCgYEA4Fzkvc7PVoU33XIeywr0
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LoQkrb4QyPUrOvt7H6SkvuFm5thn0KJMlRpLfAksb69m2l2U1+HooZd4mZawN+eN
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DNmlzgxWJDypq83dYwq8jkxmBj1DhMxfZnIE+L403nelseIVYAfPLOqxUTcbZXVk
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vRQFp+nmSXqQHUe5rAy1ivkCgYEAqLu7cclchCxqDv/6mc5NTVhMLu5QlvO5U6fq
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HqitgW7d69oxF5X499YQXZ+ZFdMBf19ypTiBTIAu1M3nh6LtIa4SsjXzus5vjKpj
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FdQhTBus/hU83Pkymk1MoDOPDEtsI+UDDdSDldmv9pyKGWPVi7H86vusXCLWnwsQ
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e6fCXWECgYEAqgpGvva5kJ1ISgNwnJbwiNw0sOT9BMOsdNZBElf0kJIIy6FMPvap
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6S1ziw+XWfdQ83VIUOCL5DrwmcYzLIogS0agmnx/monfDx0Nl9+OZRxy6+AI9vkK
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86A1+DXdo+IgX3grFK1l1gPhAZPRWJZ+anrEkyR4iLq6ZoPZ3BQn97U=
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-----END RSA PRIVATE KEY-----"""
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text = "Some text! %$*"
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def _ssh_decrypt_text(self, ssh_private_key, text):
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with utils.tempdir() as tmpdir:
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sshkey = os.path.abspath(os.path.join(tmpdir, 'ssh.key'))
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with open(sshkey, 'w') as f:
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f.write(ssh_private_key)
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try:
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dec, _err = utils.execute('openssl',
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'rsautl',
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'-decrypt',
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'-inkey', sshkey,
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process_input=text,
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binary=True)
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return dec
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except processutils.ProcessExecutionError as exc:
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raise exception.DecryptionFailure(reason=exc.stderr)
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def test_ssh_encrypt_decrypt_text(self):
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self._test_ssh_encrypt_decrypt_text(self.pubkey)
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key_with_spaces_in_comment = self.pubkey.replace('test@test',
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'Generated by Nova')
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self._test_ssh_encrypt_decrypt_text(key_with_spaces_in_comment)
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def _test_ssh_encrypt_decrypt_text(self, key):
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enc = crypto.ssh_encrypt_text(self.pubkey, self.text)
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self.assertIsInstance(enc, bytes)
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# Comparison between bytes and str raises a TypeError
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# when using python3 -bb
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if six.PY2:
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self.assertNotEqual(enc, self.text)
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result = self._ssh_decrypt_text(self.prikey, enc)
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self.assertIsInstance(result, bytes)
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if six.PY3:
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result = result.decode('utf-8')
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self.assertEqual(result, self.text)
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def test_ssh_encrypt_failure(self):
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self.assertRaises(exception.EncryptionFailure,
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crypto.ssh_encrypt_text, '', self.text)
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class KeyPairTest(test.NoDBTestCase):
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rsa_prv = (
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"-----BEGIN RSA PRIVATE KEY-----\n"
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"MIIEowIBAAKCAQEA5G44D6lEgMj6cRwCPydsMl1VRN2B9DVyV5lmwssGeJClywZM\n"
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"WcKlSZBaWPbwbt20/r74eMGZPlqtEi9Ro+EHj4/n5+3A2Mh11h0PGSt53PSPfWwo\n"
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"ZhEg9hQ1w1ZxfBMCx7eG2YdGFQocMgR0zQasJGjjt8hruCnWRB3pNH9DhEwKhgET\n"
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"H0/CFzxSh0eZWs/O4GSf4upwmRG/1Yu90vnVZq3AanwvvW5UBk6g4uWb6FTES867\n"
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"kAy4b5EcH6WR3lLE09omuG/NqtH+qkgIdQconDkmkuK3xf5go6GSwEod0erM1G1v\n"
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"e+C4w/MD98KZ4Zlon9hy7oE2rcqHXf58gZtOTQIDAQABAoIBAQCnkeM2Oemyv7xY\n"
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"dT+ArJ7GY4lFt2i5iOuUL0ge5Wid0R6OTNR9lDhEOszMLno6GhHIPrdvfjW4dDQ5\n"
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"/tRY757oRZzNmq+5V3R52V9WC3qeCBmq3EjWdwJDAphd72/YoOmNMKiPsphKntwI\n"
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"JRS5wodNPlSuYSwEMUypM3f7ttAEn5CASgYgribBDapm7EqkVa2AqSvpFzNvN3/e\n"
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"Sc36/XlxJin7AkKVOnRksuVOOj504VUQfXgVWZkfTeZqAROgA1FSnjUAffcubJmq\n"
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"pDL/JSgOqN4S+sJkkTrb19MuM9M/IdXteloynF+GUKZx6FdVQQc8xCiXgeupeeSD\n"
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"fNMAP7DRAoGBAP0JRFm3fCAavBREKVOyZm20DpeR6zMrVP7ht0SykkT/bw/kiRG+\n"
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"FH1tNioj9uyixt5SiKhH3ZVAunjsKvrwET8i3uz1M2Gk+ovWdLXurBogYNNWafjQ\n"
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"hRhFHpyExoZYRsn58bvYvjFXTO6JxuNS2b59DGBRkQ5mpsOhxarfbZnXAoGBAOcb\n"
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"K+qoPDeDicnQZ8+ygYYHxY3fy1nvm1F19jBiWd26bAUOHeZNPPKGvTSlrGWJgEyA\n"
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"FjZIlHJOY2s0dhukiytOiXzdA5iqK1NvlF+QTUI4tCeNMVejWC+n6sKR9ADZkX8D\n"
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"NOHaLkDzc/ukus59aKyjxP53I6SV6y6m5NeyvDx7AoGAaUji1MXA8wbMvU4DOB0h\n"
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"+4GRFMYVbEwaaJd4jzASJn12M9GuquBBXFMF15DxXFL6lmUXEZYdf83YCRqTY6hi\n"
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"NLgIs+XuxDFGQssv8sdletWAFE9/dpUk3A1eiFfC1wGCKuZCDBxKPvOJQjO3uryt\n"
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"d1JGxQkLZ0eVGg+E1O10iC8CgYB4w2QRfNPqllu8D6EPkVHJfeonltgmKOTajm+V\n"
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"HO+kw7OKeLP7EkVU3j+kcSZC8LUQRKZWu1qG2Jtu+7zz+OmYObPygXNNpS56rQW1\n"
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"Yixc/FB3knpEN2DvlilAfxAoGYjD/CL4GhCtdAoZZx0Opc262OEpr4v6hzSb7i4K\n"
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"4KUoXQKBgHfbiaSilxx9guUqvSaexpHmtiUwx05a05fD6tu8Cofl6AM9wGpw3xOT\n"
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"tfo4ehvS13tTz2RDE2xKuetMmkya7UgifcxUmBzqkOlgr0oOi2rp+eDKXnzUUqsH\n"
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"V7E96Dj36K8q2+gZIXcNqjN7PzfkF8pA0G+E1veTi8j5dnvIsy1x\n"
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"-----END RSA PRIVATE KEY-----\n"
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)
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rsa_pub = (
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"ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDkbjgPqUSAyPpxHAI/J2wyXVVE"
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"3YH0NXJXmWbCywZ4kKXLBkxZwqVJkFpY9vBu3bT+vvh4wZk+Wq0SL1Gj4QePj+fn"
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"7cDYyHXWHQ8ZK3nc9I99bChmESD2FDXDVnF8EwLHt4bZh0YVChwyBHTNBqwkaOO3"
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"yGu4KdZEHek0f0OETAqGARMfT8IXPFKHR5laz87gZJ/i6nCZEb/Vi73S+dVmrcBq"
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"fC+9blQGTqDi5ZvoVMRLzruQDLhvkRwfpZHeUsTT2ia4b82q0f6qSAh1ByicOSaS"
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"4rfF/mCjoZLASh3R6szUbW974LjD8wP3wpnhmWif2HLugTatyodd/nyBm05N Gen"
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"erated-by-Nova"
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)
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rsa_fp = "e7:66:a1:2c:4f:90:6e:11:19:da:ac:c2:69:e1:ad:89"
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dss_pub = (
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"ssh-dss AAAAB3NzaC1kc3MAAACBAKWFW2++pDxJWObkADbSXw8KfZ4VupkRKEXF"
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"SPN2kV0v+FgdnBEcrEJPExaOTMhmxIuc82ktTv76wHSEpbbsLuI7IDbB6KJJwHs2"
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"y356yB28Q9rin7X0VMYKkPxvAcbIUSrEbQtyPMihlOaaQ2dGSsEQGQSpjm3f3RU6"
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"OWux0w/NAAAAFQCgzWF2zxQmi/Obd11z9Im6gY02gwAAAIAHCDLjipVwMLXIqNKO"
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"MktiPex+ewRQxBi80dzZ3mJzARqzLPYI9hJFUU0LiMtLuypV/djpUWN0cQpmgTQf"
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"TfuZx9ipC6Mtiz66NQqjkQuoihzdk+9KlOTo03UsX5uBGwuZ09Dnf1VTF8ZsW5Hg"
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"HyOk6qD71QBajkcFJAKOT3rFfgAAAIAy8trIzqEps9/n37Nli1TvNPLbFQAXl1LN"
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"wUFmFDwBCGTLl8puVZv7VSu1FG8ko+mzqNebqcN4RMC26NxJqe+RRubn5KtmLoIa"
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"7tRe74hvQ1HTLLuGxugwa4CewNbwzzEDEs8U79WDhGKzDkJR4nLPVimj5WLAWV70"
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"RNnRX7zj5w== Generated-by-Nova"
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)
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dss_fp = "b9:dc:ac:57:df:2a:2b:cf:65:a8:c3:4e:9d:4a:82:3c"
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ecdsa_pub = (
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"ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAy"
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"NTYAAABBBG1r4wzPTIjSo78POCq+u/czb8gYK0KvqlmCvcRPrnDWxgLw7y6BX51t"
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"uYREz7iLRCP7BwUt8R+ZWzFZDeOLIWU= Generated-by-Nova"
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)
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ecdsa_pub_with_spaces = (
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"ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAy"
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"NTYAAABBBG1r4wzPTIjSo78POCq+u/czb8gYK0KvqlmCvcRPrnDWxgLw7y6BX51t"
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"uYREz7iLRCP7BwUt8R+ZWzFZDeOLIWU= Generated by Nova"
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)
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ecdsa_fp = "16:6a:c9:ec:80:4d:17:3e:d5:3b:6f:c0:d7:15:04:40"
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def test_generate_fingerprint(self):
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fingerprint = crypto.generate_fingerprint(self.rsa_pub)
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self.assertEqual(self.rsa_fp, fingerprint)
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fingerprint = crypto.generate_fingerprint(self.dss_pub)
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self.assertEqual(self.dss_fp, fingerprint)
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fingerprint = crypto.generate_fingerprint(self.ecdsa_pub)
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self.assertEqual(self.ecdsa_fp, fingerprint)
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fingerprint = crypto.generate_fingerprint(self.ecdsa_pub_with_spaces)
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self.assertEqual(self.ecdsa_fp, fingerprint)
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def test_generate_key_pair_2048_bits(self):
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(private_key, public_key, fingerprint) = crypto.generate_key_pair()
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pub_bytes = public_key.encode('utf-8')
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pkey = serialization.load_ssh_public_key(
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pub_bytes, backends.default_backend())
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self.assertEqual(2048, pkey.key_size)
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def test_generate_key_pair_1024_bits(self):
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bits = 1024
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(private_key, public_key, fingerprint) = crypto.generate_key_pair(bits)
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pub_bytes = public_key.encode('utf-8')
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pkey = serialization.load_ssh_public_key(
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pub_bytes, backends.default_backend())
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self.assertEqual(bits, pkey.key_size)
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def test_generate_key_pair_mocked_private_key(self):
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keyin = six.StringIO()
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keyin.write(self.rsa_prv)
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keyin.seek(0)
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key = paramiko.RSAKey.from_private_key(keyin)
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with mock.patch.object(paramiko.RSAKey, 'generate') as mock_generate:
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mock_generate.return_value = key
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(private_key, public_key, fingerprint) = crypto.generate_key_pair()
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self.assertEqual(self.rsa_pub, public_key)
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self.assertEqual(self.rsa_fp, fingerprint)
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