diff options
Diffstat (limited to 'src/cryptography/hazmat/backends/openssl/utils.py')
| -rw-r--r-- | src/cryptography/hazmat/backends/openssl/utils.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/cryptography/hazmat/backends/openssl/utils.py b/src/cryptography/hazmat/backends/openssl/utils.py index e8b4a307..f71a62a5 100644 --- a/src/cryptography/hazmat/backends/openssl/utils.py +++ b/src/cryptography/hazmat/backends/openssl/utils.py @@ -23,3 +23,11 @@ def _calculate_digest_and_algorithm(backend, data, algorithm): ) return (data, algorithm) + + +def _check_not_prehashed(signature_algorithm): + if isinstance(signature_algorithm, Prehashed): + raise TypeError( + "Prehashed is only supported in the sign and verify methods. " + "It cannot be used with signer or verifier." + ) |