def test_authenticate(cipher):
plaintext = b'integrity'
ciphertext = cipher.encrypt(plaintext=plaintext)
payload = cipher._extract_payload(ciphertext=ciphertext)
signature = cipher._extract_signature(ciphertext=ciphertext)
assert cipher._authenticate(data=payload, signature=signature) is True
bad_key = '02944c68b750474b85609147ce6d3aae875e6ae8ac63618086a58b1c1716402d'
assert bad_key != cipher.key
# Maybe we should allow setting of key/hmac_key in a method?
new_cipher = crypto.AES256Cipher(key=bad_key)
assert new_cipher._authenticate(data=payload, signature=signature) is False
def test_bad_create_cipher():
# Fails due to no key argument.
with pytest.raises(TypeError):
crypto.AES256Cipher()
def test_bad_keys_for_cipher_exceptions(key):
with pytest.raises(JakException) as excinfo:
crypto.AES256Cipher(key=key)
assert 'Key must be 64' in str(excinfo.value)
def cipher():
key = '4e9e5f6688e2a011856f7d58a27f7d9695013a893d89ad7652f2976a5c61f97f'
return crypto.AES256Cipher(key=key)