diff options
Diffstat (limited to 'cryptography/hazmat/primitives/padding.py')
| -rw-r--r-- | cryptography/hazmat/primitives/padding.py | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/cryptography/hazmat/primitives/padding.py b/cryptography/hazmat/primitives/padding.py index cfa90db9..e517dee0 100644 --- a/cryptography/hazmat/primitives/padding.py +++ b/cryptography/hazmat/primitives/padding.py @@ -21,11 +21,9 @@ from cryptography.hazmat.primitives import interfaces _ffi = cffi.FFI() _ffi.cdef(""" -bool Cryptography_check_pkcs7_padding(const uint8_t *, uint8_t); +uint8_t Cryptography_check_pkcs7_padding(const uint8_t *, uint8_t); """) _lib = _ffi.verify(""" -#include <stdbool.h> - /* Returns the value of the input with the most-significant-bit copied to all of the bits. */ static uint8_t Cryptography_DUPLICATE_MSB_TO_ALL(uint8_t a) { @@ -39,7 +37,8 @@ static uint8_t Cryptography_constant_time_lt(uint8_t a, uint8_t b) { return Cryptography_DUPLICATE_MSB_TO_ALL(a); } -bool Cryptography_check_pkcs7_padding(const uint8_t *data, uint8_t block_len) { +uint8_t Cryptography_check_pkcs7_padding(const uint8_t *data, + uint8_t block_len) { uint8_t i; uint8_t pad_size = data[block_len - 1]; uint8_t mismatch = 0; |