diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/cryptography/hazmat/primitives/kdf/hkdf.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cryptography/hazmat/primitives/kdf/hkdf.py b/src/cryptography/hazmat/primitives/kdf/hkdf.py index f738bbdc..82ed9b1c 100644 --- a/src/cryptography/hazmat/primitives/kdf/hkdf.py +++ b/src/cryptography/hazmat/primitives/kdf/hkdf.py @@ -91,7 +91,7 @@ class HKDFExpand(object): output = [b""] counter = 1 - while (self._algorithm.digest_size // 8) * len(output) < self._length: + while self._algorithm.digest_size * (len(output) - 1) < self._length: h = hmac.HMAC(key_material, self._algorithm, backend=self._backend) h.update(output[-1]) h.update(self._info) |