diff options
| -rw-r--r-- | src/cryptography/hazmat/backends/openssl/rsa.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/cryptography/hazmat/backends/openssl/rsa.py b/src/cryptography/hazmat/backends/openssl/rsa.py index 3fef8f9d..664f6d35 100644 --- a/src/cryptography/hazmat/backends/openssl/rsa.py +++ b/src/cryptography/hazmat/backends/openssl/rsa.py @@ -158,6 +158,7 @@ class _RSASignatureContext(object): self._pkey_size = self._backend._lib.EVP_PKEY_size( self._private_key._evp_pkey ) + self._backend.openssl_assert(self._pkey_size > 0) if isinstance(padding, PKCS1v15): if self._backend._lib.Cryptography_HAS_PKEY_CTX: @@ -174,7 +175,6 @@ class _RSASignatureContext(object): # Size of key in bytes - 2 is the maximum # PSS signature length (salt length is checked later) - self._backend.openssl_assert(self._pkey_size > 0) if self._pkey_size - algorithm.digest_size - 2 < 0: raise ValueError("Digest too large for key size. Use a larger " "key.") @@ -349,6 +349,7 @@ class _RSAVerificationContext(object): self._pkey_size = self._backend._lib.EVP_PKEY_size( self._public_key._evp_pkey ) + self._backend.openssl_assert(self._pkey_size > 0) if isinstance(padding, PKCS1v15): if self._backend._lib.Cryptography_HAS_PKEY_CTX: @@ -365,7 +366,6 @@ class _RSAVerificationContext(object): # Size of key in bytes - 2 is the maximum # PSS signature length (salt length is checked later) - self._backend.openssl_assert(self._pkey_size > 0) if self._pkey_size - algorithm.digest_size - 2 < 0: raise ValueError( "Digest too large for key size. Check that you have the " |