diff options
Diffstat (limited to 'testing/tests/client/test_crypto.py')
| -rw-r--r-- | testing/tests/client/test_crypto.py | 227 |
1 files changed, 137 insertions, 90 deletions
diff --git a/testing/tests/client/test_crypto.py b/testing/tests/client/test_crypto.py index 49a61438..379475cd 100644 --- a/testing/tests/client/test_crypto.py +++ b/testing/tests/client/test_crypto.py @@ -19,9 +19,9 @@ Tests for cryptographic related stuff. """ import binascii import base64 -import hashlib import json import os +import scrypt from io import BytesIO @@ -34,6 +34,7 @@ from cryptography.exceptions import InvalidTag from leap.soledad.common.document import SoledadDocument from test_soledad.util import BaseSoledadTest from leap.soledad.client import _crypto +from leap.soledad.client._secrets import SecretsCrypto from twisted.trial import unittest from twisted.internet import defer @@ -186,99 +187,145 @@ class BlobTestCase(unittest.TestCase): yield crypto.decrypt_doc(doc2) -class RecoveryDocumentTestCase(BaseSoledadTest): - - def test_export_recovery_document_raw(self): - rd = self._soledad.secrets._export_recovery_document() - secret_id = rd[self._soledad.secrets.STORAGE_SECRETS_KEY].items()[0][0] - # assert exported secret is the same - secret = self._soledad.secrets._decrypt_storage_secret_version_1( - rd[self._soledad.secrets.STORAGE_SECRETS_KEY][secret_id]) - self.assertEqual(secret_id, self._soledad.secrets._secret_id) - self.assertEqual(secret, self._soledad.secrets._secrets[secret_id]) - # assert recovery document structure - encrypted_secret = rd[ - self._soledad.secrets.STORAGE_SECRETS_KEY][secret_id] - self.assertTrue(self._soledad.secrets.CIPHER_KEY in encrypted_secret) - self.assertEquals( - _crypto.ENC_METHOD.aes_256_gcm, - encrypted_secret[self._soledad.secrets.CIPHER_KEY]) - self.assertTrue(self._soledad.secrets.LENGTH_KEY in encrypted_secret) - self.assertTrue(self._soledad.secrets.SECRET_KEY in encrypted_secret) - - def test_import_recovery_document(self, cipher='aes256'): - rd = self._soledad.secrets._export_recovery_document(cipher) - s = self._soledad_instance() - s.secrets._import_recovery_document(rd) - s.secrets.set_secret_id(self._soledad.secrets._secret_id) - self.assertEqual(self._soledad.storage_secret, - s.storage_secret, - 'Failed settinng secret for symmetric encryption.') - s.close() - - def test_import_GCM_recovery_document(self): - cipher = self._soledad.secrets.CIPHER_AES256_GCM - self.test_import_recovery_document(cipher) - - def test_import_legacy_CTR_recovery_document(self): - cipher = self._soledad.secrets.CIPHER_AES256 - self.test_import_recovery_document(cipher) +class SecretsCryptoTestCase(unittest.TestCase): + + SECRETS = {'remote': 'a' * 512, 'salt': 'b' * 64, 'local': 'c' * 448} + ENCRYPTED_V2 = { + 'cipher': 'aes_256_gcm', + 'length': 1417, + 'kdf_salt': '3DCkfecls0GcX2RadA04FAC2cqkI+vpGwwCLwffdRI6vpO5SPxaw/eM0/' + 'z3GUADm3If3YCQBldKXNdqHQLsU1Q==\n', + 'iv': 'rRwCDw5Rbp5+J3QwjQ46Hw==', + 'secrets': 'lxf6yrGDcBr8XFWNDgsCoO2XPGfDJndviL9Y2GmHcSEBWnO2dm2sieuPoq' + 'PwSHRSJSrzM4Ezgdaan7X8+ErnuRLUVqbPAqPl8xx8FdCjnid4vFyFYNFI' + '/dmo8SQAf8O9vdlVEPZ5Nk2DuWIrh+oPlrSUOmR6XzI0YVdoJDmGWowygU' + 'MR0R9Bi9xFGlG135NVcNP8KGdnQDkI0V+U/3qm3tctbo4LRCxxJ60wdi0M' + 'DA6iYFI/IMshxI/ZXFHp5/YPk0k2m0i6z71kMVksgjIMMgT5Kmz7WR54na' + 'IkWbvNkbYRFR/Hbg9p6Bs7NjJlOLTjnwGJNYPbdyfJXKd1R/S8Mg7ZqsyQ' + 'VbBqXHwEN7gYlMZ66D8wu8LOK70mN7LLiSz5J8tXO3rDT1mIIf3IvNhv/j' + 'rEZHf1fTFPRp+ZVEt/hJKyPv71ua4p2lgdgNlCs2IsACk9ku/LQwXP6uZr' + 'hMJsTvniTQoCVXFYVN/jKo7Pz/+uT5wOXOXtL7smpBE/2r3uoERNM+Zw11' + 'SA8UzzMZQMxJQKVNwLmKtwvztN5dxVXhxCUyeLmeQc84VzV7NK0WMUOdfA' + '18I0HS6rHLKcdsvrPAdzvGim7tiE8TBdp8ITNQ8yMFNiGNyOVliTSTwQFf' + 'sCj6m5nYcjvprNQ8RkeitvicrtI1Ylc8CfFK50xPV77XVmlgvNsfm54msN' + 'tV0K5+XwaNgimlh/1m2bVEYj55gO0twVASwRuZj3sSY2z669iuXRk7EPyT' + 'jcE2NnfW+lqOQkJ73N7pv73t6OjiEnrKx7VmH94zYlY8ZReVVn4RTZhare' + 'D7rqCmGPhsPaCPaAfotfNBBa0w6p6L9ZlNxpIesnMObtyGob1g4Vcu8O6K' + '2Q1Ldj95+Q53tJDpx2NLP/5tfAUlbehD3whKwKOz/rGKEfhgE+Nx32RR0y' + 'YM4aJ7CYI/U3YH82xqGoa1ufIJbSBt965CVIHSVJt/mYfilhMACV/wBlvL' + 'ua08iKpHwc7suMc9DuFS4s/bAzc128L8wtfNvNiP6zhAV+UvfgUmyNKjgl' + '0be9Ke2pCNChEQmViNal3zbWNcBrXYQpFpX1lWNkx/OuQalxzSaqmZiOR5' + 'eRwqRDZ3R9EpkOFj2ZXS1NlJg1kYXL/ibS8uvjKgJFPrZQzwaKmPNsZyGc' + 'CnHupfgC2iRIu97wnvmDxWQ9Cs62NSynr0IYGkTLN5PZU6Z5gd1F7zV6uh' + 'oFiHOYidj2EoUj7xnb8GHi5U6PQzaC97nSCR4CFnmcpfv+XcRIWe8nrM8G' + 'AVdcUob8pofUlnyGV6GEGlO3mnb7ls5B6lvuZqB/x6UqZiNKwmZvxvS11X' + 'AGkhfBGTfFZeqRlLwXvXWnOUOO0KJ8h3gSlc1gFVY+4HCbTOqjUASWw0mV' + 'JP+U0anK9wu9B/icLDUZxM/NRdbTQFmcfvABjwdm2GTmwGpQek/H0wN3dO' + 'terlTiS7arMUft7A6hkhkmLb0iDfWPWdN50V+XOMpdZtaJSGqwNHokc75p' + '3zYll0/ZpxTgmWXariOkKxr6KHHjml89QNQSBE2TJW/YnQ5SrkaHLHKdcy' + 'PqQtcXDz/WxKquQfRF+fsvcwqaeqlAWOxUXHU77cBvDGPU5O3uvEIJnHr1' + 'kuabqRQbJIV5Uzo4sEW828r2IWQnUd4Om79y+9yp/aT10DusEmvOgS3oSp' + '3eYkhvlVULeCQEJoI41t4nGLhHiiK4xBG8yFknuV7nF4k2O+EbyCXsJeeD' + 'qlGok91zEhQl1MlQA8ZofRK7bDPcn97USiJMss81s5bwIv4yN8s0QL62Ha' + 'vrIYG7C26DV6c0GxULu02H1YOnoPf6JsGC/2+zA+b7a+4O0EP0BXU3FYCb' + 'iEDbDpB3dFe63ed+ml2HQjqzOLAtKVXzAQq5UNV4m2zY0/y7gV7qSrM=' + '\n', + 'version': 2, + 'kdf': 'scrypt', + 'kdf_length': 32 + } + + ENCRYPTED_V1 = { + 'version': 1, + 'active_secret': 'secret_id', + 'storage_secrets': { + 'secret_id': { + 'kdf': 'scrypt', + 'secret': 'u31ObvxNU8jB0HgMj3TVwQ==:JQwlYq6sAQmHYS3x2CJzObT9h' + 'j1iiHthvrMh887qedNCcOfJyCA3jpRkc0vjd2Qk/2HSJ+JxM2F' + 'MrPzzx5O34EHlgF2scen34guZRRIf42WpnMy+PrL4cnMlZLgCh' + 'H1Jz6wcIMEpU9LQ8OaCShk1/yJ6qcVHOV4DDt3mTF7ttiqI5cp' + 'msaVtxxYCcpxFiWSeSCEgr0h4/Ih1qHuM6vk+CQjf/zg1f/7HR' + 'imIyNYXit9Fw3YTkxBen1wG3f5L7OAODRTuqnWpkQFOmclx050' + 'k0frKRcX6UWhIOWpW2mqJXnvzDtQQVGzqIdSgGTGtUDGQ7Onnc' + 'NkUlSnuVC7PkDNNRuwit3pCB9YWBWyPAQgs0kLqoV4YcuSctz6' + 'SAf76ozdcK5/SrOzutOfyPag4V3AYKMv6rCKALJ10OnFJ61FL9' + 'kd6JZam7WOlEUXyO7Gdgvz+eKiQMTZXbtO2kAKqel513MedPXC' + 'dzajUe1U2JaGg86UdiDWoPYOiWxnAPwfNJk+1QuNy5NZ7PaMtF' + 'IKT3/Xema2U8mufS0FbvJyK2flP1VUWcCzHKTSqX6+kU7UpoWa' + 'hYa7PlO40El+putTQLBmNaEeaWFngO+XB4TReICHSiCdcAb3pw' + 'sabjtxt+OpK4vbj3yBSfpiZTpVbEjt9U/tUpVp/T2M66lMi3ZC' + 'oHLlhu45Zo0aEq3UmQ/WBXu6EkO2eLYz2br9YQwRbSJ6z5CHmu' + 'hjKBQlpvGNfZYObx5lY4o6Ab4f/N8gyukskjmAFAf7Fr8cEog/' + 'oxmbagoCtUGRYJp2paooqH8L6xXp0Y8+23g7WJaAIr1i4V4aKS' + 'r9x7iUK6prcZTtMJZEHCswkLN/+DU6/FX3YZcOjseC+Qv3P+9v' + 'zIDp/92KJzqVqITGwrsc6ZsglMW37qxs6albtw3lMWSHlkcLbj' + 'Xf/iHPeKnb2WNLdkFNQ1J5OaTJR+E1CrXN+pm1JtB6XaUbaLGV' + 'CGUo13lAPVDtXcPbo64kMrQtQu4m9m8X8t8tfuJmINfwBnrKzk' + 'O6pl+LwimFaFEArV6wcaMxmwi0lM7mt4U1u9OIQjghQ/dEmOyV' + 'dZBnvyG7T/oRuLdUyZ/QGXZMlPQ3lAZ0ONn1Mk4bmKToW8ToE8' + 'ylld3rLlWDjjoQP8mP05Izg3mguLHXUhikUL8MD5NdYyeZJ1XZ' + '0OZ5S9uncurYj2ABWJoVaq/tFCdCEo9bbjWsePei26GZjaM3Fx' + 'RkAICXe/bt6/uLgaPZtO+sdARDuU3DRKMIdgM9NBaIn0kC7Wk4' + 'bnYShZ/rbhVt2/ds5XinnDBZsxSR3s553DixJ9v6w9Db++9Stw' + '4DgePd9lLy+6WuVBlKmcNflx9zg7US0AOarX2UNiQ==', + 'kdf_length': 32, + 'kdf_salt': 'MYH68QH48nRFMWH44piFWqBnKtU8KCz6Ajh24otrvzJlqPgB' + 'v6bvFJjRvjRp/0/v1j2nt40RZ6H5hfoKmore0g==\n', + 'length': 1024, + 'cipher': 'aes256', + } + } + } + + def setUp(self): + def _get_pass(): + return '123' + self._crypto = SecretsCrypto(_get_pass) + + def test__get_pass(self): + self.assertEqual(self._crypto._get_pass(), '123') + + def test__get_key(self): + salt = 'abc' + expected = scrypt.hash('123', salt, buflen=32) + key = self._crypto._get_key(salt) + self.assertEqual(expected, key) + + def test_encrypt(self): + info = self._crypto.encrypt(self.SECRETS) + self.assertEqual(8, len(info)) + for key, value in [ + ('kdf', 'scrypt'), + ('kdf_salt', None), + ('kdf_length', None), + ('cipher', 'aes_256_gcm'), + ('length', None), + ('iv', None), + ('secrets', None), + ('version', 2)]: + self.assertTrue(key in info) + if value: + self.assertEqual(info[key], value) + + def test__decrypt_v2(self): + encrypted = self.ENCRYPTED_V2 + decrypted = self._crypto.decrypt(encrypted) + self.assertEqual(decrypted, self.SECRETS) + + def test__decrypt_v1(self): + encrypted = self.ENCRYPTED_V1 + decrypted = self._crypto.decrypt(encrypted) + self.assertEqual(decrypted, self.SECRETS) class SoledadSecretsTestCase(BaseSoledadTest): - def test_new_soledad_instance_generates_one_secret(self): - self.assertTrue( - self._soledad.storage_secret is not None, - "Expected secret to be something different than None") - number_of_secrets = len(self._soledad.secrets._secrets) - self.assertTrue( - number_of_secrets == 1, - "Expected exactly 1 secret, got %d instead." % number_of_secrets) - - def test_generated_secret_is_of_correct_type(self): - expected_type = str - self.assertIsInstance( - self._soledad.storage_secret, expected_type, - "Expected secret to be of type %s" % expected_type) - - def test_generated_secret_has_correct_lengt(self): - expected_length = self._soledad.secrets.GEN_SECRET_LENGTH - actual_length = len(self._soledad.storage_secret) - self.assertTrue( - expected_length == actual_length, - "Expected secret with length %d, got %d instead." - % (expected_length, actual_length)) - - def test_generated_secret_id_is_sha256_hash_of_secret(self): - generated = self._soledad.secrets.secret_id - expected = hashlib.sha256(self._soledad.storage_secret).hexdigest() - self.assertTrue( - generated == expected, - "Expeceted generated secret id to be sha256 hash, got something " - "else instead.") - - def test_generate_new_secret_generates_different_secret_id(self): - # generate new secret - secret_id_1 = self._soledad.secrets.secret_id - secret_id_2 = self._soledad.secrets._gen_secret() - self.assertTrue( - len(self._soledad.secrets._secrets) == 2, - "Expected exactly 2 secrets.") - self.assertTrue( - secret_id_1 != secret_id_2, - "Expected IDs of secrets to be distinct.") - self.assertTrue( - secret_id_1 in self._soledad.secrets._secrets, - "Expected to find ID of first secret in Soledad Secrets.") - self.assertTrue( - secret_id_2 in self._soledad.secrets._secrets, - "Expected to find ID of second secret in Soledad Secrets.") - - def test__has_secret(self): - self.assertTrue( - self._soledad._secrets._has_secret(), - "Should have a secret at this point") + def test_generated_secrets_have_correct_length(self): + expected = self._soledad.secrets.lengths + for name, length in expected.iteritems(): + secret = getattr(self._soledad.secrets, name) + self.assertEqual(length, len(secret)) class SoledadCryptoAESTestCase(BaseSoledadTest): |