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-rw-r--r--tests/hazmat/backends/test_multibackend.py24
1 files changed, 13 insertions, 11 deletions
diff --git a/tests/hazmat/backends/test_multibackend.py b/tests/hazmat/backends/test_multibackend.py
index 63168180..87ef0446 100644
--- a/tests/hazmat/backends/test_multibackend.py
+++ b/tests/hazmat/backends/test_multibackend.py
@@ -14,7 +14,9 @@
import pytest
from cryptography import utils
-from cryptography.exceptions import UnsupportedAlgorithm
+from cryptography.exceptions import (
+ UnsupportedAlgorithm, UnsupportedCipher, UnsupportedHash
+)
from cryptography.hazmat.backends.interfaces import (
CipherBackend, HashBackend, HMACBackend, PBKDF2HMACBackend, RSABackend
)
@@ -34,11 +36,11 @@ class DummyCipherBackend(object):
def create_symmetric_encryption_ctx(self, algorithm, mode):
if not self.cipher_supported(algorithm, mode):
- raise UnsupportedAlgorithm
+ raise UnsupportedCipher
def create_symmetric_decryption_ctx(self, algorithm, mode):
if not self.cipher_supported(algorithm, mode):
- raise UnsupportedAlgorithm
+ raise UnsupportedCipher
@utils.register_interface(HashBackend)
@@ -51,7 +53,7 @@ class DummyHashBackend(object):
def create_hash_ctx(self, algorithm):
if not self.hash_supported(algorithm):
- raise UnsupportedAlgorithm
+ raise UnsupportedHash
@utils.register_interface(HMACBackend)
@@ -64,7 +66,7 @@ class DummyHMACBackend(object):
def create_hmac_ctx(self, key, algorithm):
if not self.hmac_supported(algorithm):
- raise UnsupportedAlgorithm
+ raise UnsupportedHash
@utils.register_interface(PBKDF2HMACBackend)
@@ -78,7 +80,7 @@ class DummyPBKDF2HMACBackend(object):
def derive_pbkdf2_hmac(self, algorithm, length, salt, iterations,
key_material):
if not self.pbkdf2_hmac_supported(algorithm):
- raise UnsupportedAlgorithm
+ raise UnsupportedHash
@utils.register_interface(RSABackend)
@@ -119,9 +121,9 @@ class TestMultiBackend(object):
modes.CBC(b"\x00" * 16),
backend=backend
)
- with pytest.raises(UnsupportedAlgorithm):
+ with pytest.raises(UnsupportedCipher):
cipher.encryptor()
- with pytest.raises(UnsupportedAlgorithm):
+ with pytest.raises(UnsupportedCipher):
cipher.decryptor()
def test_hashes(self):
@@ -132,7 +134,7 @@ class TestMultiBackend(object):
hashes.Hash(hashes.MD5(), backend=backend)
- with pytest.raises(UnsupportedAlgorithm):
+ with pytest.raises(UnsupportedHash):
hashes.Hash(hashes.SHA1(), backend=backend)
def test_hmac(self):
@@ -143,7 +145,7 @@ class TestMultiBackend(object):
hmac.HMAC(b"", hashes.MD5(), backend=backend)
- with pytest.raises(UnsupportedAlgorithm):
+ with pytest.raises(UnsupportedHash):
hmac.HMAC(b"", hashes.SHA1(), backend=backend)
def test_pbkdf2(self):
@@ -154,7 +156,7 @@ class TestMultiBackend(object):
backend.derive_pbkdf2_hmac(hashes.MD5(), 10, b"", 10, b"")
- with pytest.raises(UnsupportedAlgorithm):
+ with pytest.raises(UnsupportedHash):
backend.derive_pbkdf2_hmac(hashes.SHA1(), 10, b"", 10, b"")
def test_rsa(self):