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-rw-r--r--tests/hazmat/backends/test_multibackend.py39
1 files changed, 39 insertions, 0 deletions
diff --git a/tests/hazmat/backends/test_multibackend.py b/tests/hazmat/backends/test_multibackend.py
index d8c09bd7..fd2a30cd 100644
--- a/tests/hazmat/backends/test_multibackend.py
+++ b/tests/hazmat/backends/test_multibackend.py
@@ -107,6 +107,18 @@ class DummyDSABackend(object):
def generate_dsa_private_key(self, parameters):
pass
+ def create_dsa_signature_ctx(self, private_key, algorithm):
+ pass
+
+ def create_dsa_verification_ctx(self, public_key, signature, algorithm):
+ pass
+
+ def dsa_hash_supported(self, algorithm):
+ pass
+
+ def dsa_parameters_supported(self, p, q, g):
+ pass
+
@utils.register_interface(CMACBackend)
class DummyCMACBackend(object):
@@ -227,6 +239,11 @@ class TestMultiBackend(object):
parameters = object()
backend.generate_dsa_private_key(parameters)
+ backend.create_dsa_verification_ctx("public_key", "sig", hashes.SHA1())
+ backend.create_dsa_signature_ctx("private_key", hashes.SHA1())
+ backend.dsa_hash_supported(hashes.SHA1())
+ backend.dsa_parameters_supported(1, 2, 3)
+
backend = MultiBackend([])
with raises_unsupported_algorithm(
_Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM
@@ -238,6 +255,28 @@ class TestMultiBackend(object):
):
backend.generate_dsa_private_key(parameters)
+ with raises_unsupported_algorithm(
+ _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM
+ ):
+ backend.create_dsa_signature_ctx("private_key", hashes.SHA1())
+
+ with raises_unsupported_algorithm(
+ _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM
+ ):
+ backend.create_dsa_verification_ctx(
+ "public_key", b"sig", hashes.SHA1()
+ )
+
+ with raises_unsupported_algorithm(
+ _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM
+ ):
+ backend.dsa_hash_supported(hashes.SHA1())
+
+ with raises_unsupported_algorithm(
+ _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM
+ ):
+ backend.dsa_parameters_supported('p', 'q', 'g')
+
def test_cmac(self):
backend = MultiBackend([
DummyCMACBackend([algorithms.AES])