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| author | Torin Carey <torin@tcarey.uk> | 2020-04-04 22:30:59 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-04-04 17:30:59 -0400 |
| commit | e94a9f493b208b83982ff2378272879e74829f4f (patch) | |
| tree | ca9f445fa9ec957be384a381dc3874087d4ae035 /src/cryptography/hazmat/backends/openssl/rsa.py | |
| parent | aece5b3d47282beed31f7119e273b65816a0cf93 (diff) | |
| download | cryptography-e94a9f493b208b83982ff2378272879e74829f4f.tar.gz cryptography-e94a9f493b208b83982ff2378272879e74829f4f.tar.bz2 cryptography-e94a9f493b208b83982ff2378272879e74829f4f.zip | |
Replace floating point arithmetic with integer arithmetic (#5181)
Diffstat (limited to 'src/cryptography/hazmat/backends/openssl/rsa.py')
| -rw-r--r-- | src/cryptography/hazmat/backends/openssl/rsa.py | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/src/cryptography/hazmat/backends/openssl/rsa.py b/src/cryptography/hazmat/backends/openssl/rsa.py index 3e4c2fd2..458071ca 100644 --- a/src/cryptography/hazmat/backends/openssl/rsa.py +++ b/src/cryptography/hazmat/backends/openssl/rsa.py @@ -4,8 +4,6 @@ from __future__ import absolute_import, division, print_function -import math - from cryptography import utils from cryptography.exceptions import ( InvalidSignature, UnsupportedAlgorithm, _Reasons @@ -352,7 +350,7 @@ class _RSAPrivateKey(object): return _RSASignatureContext(self._backend, self, padding, algorithm) def decrypt(self, ciphertext, padding): - key_size_bytes = int(math.ceil(self.key_size / 8.0)) + key_size_bytes = (self.key_size + 7) // 8 if key_size_bytes != len(ciphertext): raise ValueError("Ciphertext length must be equal to key size.") |