def test_encryption_key_type_check():
with pytest.raises(TypeError):
encrypt_then_authenticate("", unicode(test_enc_key), test_sig_key,
hashlib.sha256)
with pytest.raises(TypeError):
encrypt_then_authenticate("", test_enc_key, unicode(test_sig_key),
hashlib.sha256)
def authenced(request):
"""Encrypt and authenticate a testvalue and return a three-tuple
(testval, ciphertext, tag)."""
if not encryption_available():
pytest.skip("pycrypto not available")
testval = request.param
ciphertext, tag = encrypt_then_authenticate(testval, test_enc_key,
test_sig_key, hashlib.sha256)
return testval, ciphertext, tag
def value_encode(self, val):
orig_val = val
val = self.serializer.dumps(val)
ciphertext, sig = encrypt_then_authenticate(val, self.enc_key,
self.sig_key, self.hashalg)
return orig_val, base64.b64encode(b"{0}{1}".format(sig, ciphertext))
