From 04e3a6e65bfea724dec8de47a7d8195ca3c3674c Mon Sep 17 00:00:00 2001
From: drebs <drebs@leap.se>
Date: Wed, 5 Jun 2013 12:48:41 -0300
Subject: Move symmetric encryption code to leap.soledad.
---
src/leap/common/tests/test_crypto.py | 88 ------------------------------------
1 file changed, 88 deletions(-)
delete mode 100644 src/leap/common/tests/test_crypto.py
(limited to 'src/leap/common/tests')
diff --git a/src/leap/common/tests/test_crypto.py b/src/leap/common/tests/test_crypto.py
deleted file mode 100644
index ae7dc71..0000000
--- a/src/leap/common/tests/test_crypto.py
+++ /dev/null
@@ -1,88 +0,0 @@
-## -*- coding: utf-8 -*-
-# test_crypto.py
-# Copyright (C) 2013 LEAP
-#
-# 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 3 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/>.
-
-
-"""
-Tests for the crypto submodule.
-"""
-
-
-import os
-import binascii
-
-
-from leap.common.testing.basetest import BaseLeapTest
-from leap.common import crypto
-from Crypto import Random
-
-
-class CryptoTestCase(BaseLeapTest):
-
- def setUp(self):
- pass
-
- def tearDown(self):
- pass
-
- def test_encrypt_decrypt_sym(self):
- # generate 256-bit key
- key = Random.new().read(32)
- iv, cyphertext = crypto.encrypt_sym(
- 'data', key,
- method=crypto.EncryptionMethods.AES_256_CTR)
- self.assertTrue(cyphertext is not None)
- self.assertTrue(cyphertext != '')
- self.assertTrue(cyphertext != 'data')
- plaintext = crypto.decrypt_sym(
- cyphertext, key, iv=iv,
- method=crypto.EncryptionMethods.AES_256_CTR)
- self.assertEqual('data', plaintext)
-
- def test_decrypt_with_wrong_iv_fails(self):
- key = Random.new().read(32)
- iv, cyphertext = crypto.encrypt_sym(
- 'data', key,
- method=crypto.EncryptionMethods.AES_256_CTR)
- self.assertTrue(cyphertext is not None)
- self.assertTrue(cyphertext != '')
- self.assertTrue(cyphertext != 'data')
- # get a different iv by changing the first byte
- rawiv = binascii.a2b_base64(iv)
- wrongiv = rawiv
- while wrongiv == rawiv:
- wrongiv = os.urandom(1) + rawiv[1:]
- plaintext = crypto.decrypt_sym(
- cyphertext, key, iv=binascii.b2a_base64(wrongiv),
- method=crypto.EncryptionMethods.AES_256_CTR)
- self.assertNotEqual('data', plaintext)
-
- def test_decrypt_with_wrong_key_fails(self):
- key = Random.new().read(32)
- iv, cyphertext = crypto.encrypt_sym(
- 'data', key,
- method=crypto.EncryptionMethods.AES_256_CTR)
- self.assertTrue(cyphertext is not None)
- self.assertTrue(cyphertext != '')
- self.assertTrue(cyphertext != 'data')
- wrongkey = Random.new().read(32) # 256-bits key
- # ensure keys are different in case we are extremely lucky
- while wrongkey == key:
- wrongkey = Random.new().read(32)
- plaintext = crypto.decrypt_sym(
- cyphertext, wrongkey, iv=iv,
- method=crypto.EncryptionMethods.AES_256_CTR)
- self.assertNotEqual('data', plaintext)
--
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