deprecate backend part 14 of...probably 15? (#6534)

* * CMAC
* HMAC

* * hashes

* * keywrap

3 files changed, 0 insertions, 26 deletions

diff --git a/tests/hazmat/primitives/test_cmac.py b/tests/hazmat/primitives/test_cmac.py
index 1d6892540..1dfd2b3fd 100644
--- a/tests/hazmat/primitives/test_cmac.py
+++ b/tests/hazmat/primitives/test_cmac.py
@@ -10,7 +10,6 @@ import pytest
 from cryptography.exceptions import (
     AlreadyFinalized,
     InvalidSignature,
-    _Reasons,
 )
 from cryptography.hazmat.primitives.ciphers.algorithms import (
     AES,
@@ -22,7 +21,6 @@ from cryptography.hazmat.primitives.cmac import CMAC
 from ...utils import (
     load_nist_vectors,
     load_vectors_from_file,
-    raises_unsupported_algorithm,
 )
 
 
@@ -210,11 +208,3 @@ class TestCMAC(object):
         assert cmac.finalize() == binascii.unhexlify(
             b"a21e6e647bfeaf5ca0a5e1bcd957dfad"
         )
-
-
-def test_invalid_backend():
-    key = b"2b7e151628aed2a6abf7158809cf4f3c"
-    pretend_backend = object()
-
-    with raises_unsupported_algorithm(_Reasons.BACKEND_MISSING_INTERFACE):
-        CMAC(AES(key), pretend_backend)  # type: ignore[arg-type]
diff --git a/tests/hazmat/primitives/test_hashes.py b/tests/hazmat/primitives/test_hashes.py
index e433d9c01..50875807f 100644
--- a/tests/hazmat/primitives/test_hashes.py
+++ b/tests/hazmat/primitives/test_hashes.py
@@ -155,13 +155,6 @@ class TestBLAKE2s(object):
             hashes.BLAKE2s(digest_size=-1)
 
 
-def test_invalid_backend():
-    pretend_backend = object()
-
-    with raises_unsupported_algorithm(_Reasons.BACKEND_MISSING_INTERFACE):
-        hashes.Hash(hashes.SHA1(), pretend_backend)  # type:ignore[arg-type]
-
-
 def test_buffer_protocol_hash(backend):
     data = binascii.unhexlify(b"b4190e")
     h = hashes.Hash(hashes.SHA256(), backend)
diff --git a/tests/hazmat/primitives/test_hmac.py b/tests/hazmat/primitives/test_hmac.py
index 44dd94e05..5215b096d 100644
--- a/tests/hazmat/primitives/test_hmac.py
+++ b/tests/hazmat/primitives/test_hmac.py
@@ -88,12 +88,3 @@ class TestHMAC(object):
         assert h.finalize() == binascii.unhexlify(
             b"a1bf7169c56a501c6585190ff4f07cad6e492a3ee187c0372614fb444b9fc3f0"
         )
-
-
-def test_invalid_backend():
-    pretend_backend = object()
-
-    with raises_unsupported_algorithm(_Reasons.BACKEND_MISSING_INTERFACE):
-        hmac.HMAC(
-            b"key", hashes.SHA1(), pretend_backend  # type:ignore[arg-type]
-        )