Onionr/onionr/tests/test_highlevelcrypto.py

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#!/usr/bin/env python3
import sys, os
sys.path.append(".")
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import unittest, uuid, hashlib, base64
import nacl.exceptions
import nacl.signing, nacl.hash, nacl.encoding
from onionrutils import stringvalidators, mnemonickeys
TEST_DIR = 'testdata/%s-%s' % (uuid.uuid4(), os.path.basename(__file__)) + '/'
print("Test directory:", TEST_DIR)
os.environ["ONIONR_HOME"] = TEST_DIR
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import core, onionr, onionrexceptions
c = core.Core()
crypto = c._crypto
class OnionrCryptoTests(unittest.TestCase):
def test_blake2b(self):
self.assertEqual(crypto.blake2bHash('test'), crypto.blake2bHash(b'test'))
self.assertEqual(crypto.blake2bHash(b'test'), crypto.blake2bHash(b'test'))
self.assertNotEqual(crypto.blake2bHash(''), crypto.blake2bHash(b'test'))
try:
crypto.blake2bHash(None)
except nacl.exceptions.TypeError:
pass
else:
self.assertTrue(False)
self.assertEqual(nacl.hash.blake2b(b'test'), crypto.blake2bHash(b'test'))
def test_sha3256(self):
hasher = hashlib.sha3_256()
self.assertEqual(crypto.sha3Hash('test'), crypto.sha3Hash(b'test'))
self.assertEqual(crypto.sha3Hash(b'test'), crypto.sha3Hash(b'test'))
self.assertNotEqual(crypto.sha3Hash(''), crypto.sha3Hash(b'test'))
try:
crypto.sha3Hash(None)
except TypeError:
pass
else:
self.assertTrue(False)
hasher.update(b'test')
normal = hasher.hexdigest()
self.assertEqual(crypto.sha3Hash(b'test'), normal)
def valid_default_id(self):
self.assertTrue(stringvalidators.validate_pub_key(crypto.pubKey))
def test_human_readable_length(self):
human = mnemonickeys.get_human_readable_ID(c)
self.assertTrue(len(human.split(' ')) == 32)
def test_safe_compare(self):
self.assertTrue(crypto.safeCompare('test', 'test'))
self.assertTrue(crypto.safeCompare('test', b'test'))
self.assertFalse(crypto.safeCompare('test', 'test2'))
try:
crypto.safeCompare('test', None)
except TypeError:
pass
else:
self.assertTrue(False)
def test_random_shuffle(self):
# Small chance that the randomized list will be same. Rerun test a couple times if it fails
startList = ['cat', 'dog', 'moose', 'rabbit', 'monkey', 'crab', 'human', 'dolphin', 'whale', 'etc'] * 10
self.assertNotEqual(startList, list(crypto.randomShuffle(startList)))
self.assertTrue(len(list(crypto.randomShuffle(startList))) == len(startList))
def test_asymmetric(self):
keyPair = crypto.generatePubKey()
keyPair2 = crypto.generatePubKey()
message = "hello world"
self.assertTrue(len(crypto.pubKeyEncrypt(message, keyPair2[0], encodedData=True)) > 0)
encrypted = crypto.pubKeyEncrypt(message, keyPair2[0], encodedData=False)
decrypted = crypto.pubKeyDecrypt(encrypted, privkey=keyPair2[1], encodedData=False)
self.assertTrue(decrypted.decode() == message)
try:
crypto.pubKeyEncrypt(None, keyPair2[0])
except TypeError:
pass
else:
self.assertTrue(False)
blankMessage = crypto.pubKeyEncrypt('', keyPair2[0])
self.assertTrue('' == crypto.pubKeyDecrypt(blankMessage, privkey=keyPair2[1], encodedData=False).decode())
# Try to encrypt arbitrary bytes
crypto.pubKeyEncrypt(os.urandom(32), keyPair2[0])
def test_symmetric(self):
dataString = "this is a secret message"
dataBytes = dataString.encode()
key = b"tttttttttttttttttttttttttttttttt"
invalidKey = b'tttttttttttttttttttttttttttttttb'
encrypted = crypto.symmetricEncrypt(dataString, key, returnEncoded=True)
decrypted = crypto.symmetricDecrypt(encrypted, key, encodedMessage=True)
self.assertTrue(dataString == decrypted.decode())
try:
crypto.symmetricDecrypt(encrypted, invalidKey, encodedMessage=True)
except nacl.exceptions.CryptoError:
pass
else:
self.assertFalse(True)
try:
crypto.symmetricEncrypt(None, key, returnEncoded=True)
except AttributeError:
pass
else:
self.assertFalse(True)
crypto.symmetricEncrypt("string", key, returnEncoded=True)
try:
crypto.symmetricEncrypt("string", None, returnEncoded=True)
except nacl.exceptions.TypeError:
pass
else:
self.assertFalse(True)
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def test_deterministic(self):
password = os.urandom(32)
gen = crypto.generateDeterministic(password)
self.assertTrue(stringvalidators.validate_pub_key(gen[0]))
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try:
crypto.generateDeterministic('weakpassword')
except onionrexceptions.PasswordStrengthError:
pass
else:
self.assertFalse(True)
try:
crypto.generateDeterministic(None)
except TypeError:
pass
else:
self.assertFalse(True)
gen = crypto.generateDeterministic('weakpassword', bypassCheck=True)
password = base64.b64encode(os.urandom(32))
gen1 = crypto.generateDeterministic(password)
gen2 = crypto.generateDeterministic(password)
self.assertFalse(gen == gen1)
self.assertTrue(gen1 == gen2)
self.assertTrue(stringvalidators.validate_pub_key(gen1[0]))
unittest.main()