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authorAlex Gaynor <alex.gaynor@gmail.com>2013-11-16 08:16:24 -0800
committerAlex Gaynor <alex.gaynor@gmail.com>2013-11-16 08:16:24 -0800
commit0c679c64241d74dd02bda891c9f04508cd535535 (patch)
tree9543c85f4af27d40fea49d3de4adfea30c276045
parent1bbb7ce8b5e5c6379227dcb79c51bddbda6e4d23 (diff)
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const correctness
-rw-r--r--cryptography/hazmat/primitives/padding.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/cryptography/hazmat/primitives/padding.py b/cryptography/hazmat/primitives/padding.py
index b07f5014..926a4bbd 100644
--- a/cryptography/hazmat/primitives/padding.py
+++ b/cryptography/hazmat/primitives/padding.py
@@ -20,7 +20,7 @@ from cryptography.hazmat.primitives import interfaces
_ffi = cffi.FFI()
_ffi.cdef("""
-bool Cryptography_check_padding(uint8_t *, unsigned int);
+bool Cryptography_check_padding(const uint8_t *, unsigned int);
""")
_lib = _ffi.verify("""
#include <stdbool.h>
@@ -40,7 +40,7 @@ unsigned int Cryptography_constant_time_lt(unsigned int a, unsigned int b) {
return Cryptography_DUPLICATE_MSB_TO_ALL(a);
}
-bool Cryptography_check_padding(uint8_t *data, unsigned int block_len) {
+bool Cryptography_check_padding(const uint8_t *data, unsigned int block_len) {
unsigned int i;
uint8_t pad_size = data[block_len - 1];
uint8_t mismatch = 0;