diff options
| -rw-r--r-- | cryptography/hazmat/primitives/padding.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/cryptography/hazmat/primitives/padding.py b/cryptography/hazmat/primitives/padding.py index 4e834726..cf7dbecd 100644 --- a/cryptography/hazmat/primitives/padding.py +++ b/cryptography/hazmat/primitives/padding.py @@ -49,8 +49,8 @@ bool Cryptography_check_padding(const uint8_t *data, uint8_t block_len) { } /* Check to make sure the pad_size was within the valid range. */ - mismatch |= !(0 < pad_size); - mismatch |= !(pad_size <= block_len); + mismatch |= ~Cryptography_constant_time_lt(0, pad_size); + mismatch |= Cryptography_constant_time_lt(block_len, pad_size); /* Make sure any bits set are copied to the lowest bit */ mismatch |= mismatch >> 4; |