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-rw-r--r--cryptography/hazmat/primitives/hmac.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/cryptography/hazmat/primitives/hmac.py b/cryptography/hazmat/primitives/hmac.py
index 0bcbb3cd..3dfabef3 100644
--- a/cryptography/hazmat/primitives/hmac.py
+++ b/cryptography/hazmat/primitives/hmac.py
@@ -17,7 +17,7 @@ import six
from cryptography import utils
from cryptography.exceptions import (
- AlreadyFinalized, InvalidSignature, UnsupportedInterface
+ AlreadyFinalized, InvalidSignature, UnsupportedAlgorithm
)
from cryptography.hazmat.backends.interfaces import HMACBackend
from cryptography.hazmat.primitives import constant_time, interfaces
@@ -27,7 +27,7 @@ from cryptography.hazmat.primitives import constant_time, interfaces
class HMAC(object):
def __init__(self, key, algorithm, backend, ctx=None):
if not isinstance(backend, HMACBackend):
- raise UnsupportedInterface(
+ raise UnsupportedAlgorithm(
"Backend object does not implement HMACBackend")
if not isinstance(algorithm, interfaces.HashAlgorithm):