liz/flipperzero-firmware
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[FL-2811] Fix PVS-Studio warnings (#2142)

Browse Source 
Co-authored-by: あく <alleteam@gmail.com>
Co-authored-by: gornekich <n.gorbadey@gmail.com>
This commit is contained in:
Georgii Surkov
2022-12-26 15:13:30 +03:00
committed by GitHub
parent ad3bff0b67
commit 8582670a34
201 changed files with 719 additions and 743 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
applications/plugins/picopass/lib/loclass/optimized_cipher.c
View File

@@ -111,9 +111,9 @@ static void init_opt_select_LUT(void) {
***********************************************************************************/
#define loclass_opt__select(x, y, r) \
(4 & (((r & (r << 2)) >> 5) ^ ((r & ~(r << 2)) >> 4) ^ ((r | r << 2) >> 3))) | \
(2 & (((r | r << 2) >> 6) ^ ((r | r << 2) >> 1) ^ (r >> 5) ^ r ^ ((x ^ y) << 1))) | \
(1 & (((r & ~(r << 2)) >> 4) ^ ((r & (r << 2)) >> 3) ^ r ^ x))
(4 & ((((r) & ((r) << 2)) >> 5) ^ (((r) & ~((r) << 2)) >> 4) ^ (((r) | (r) << 2) >> 3))) | \
(2 & ((((r) | (r) << 2) >> 6) ^ (((r) | (r) << 2) >> 1) ^ ((r) >> 5) ^ (r) ^ (((x) ^ (y)) << 1))) | \
(1 & ((((r) & ~((r) << 2)) >> 4) ^ (((r) & ((r) << 2)) >> 3) ^ (r) ^ (x)))
static void loclass_opt_successor(const uint8_t* k, LoclassState_t* s, uint8_t y) {
uint16_t Tt = s->t & 0xc533;
@@ -149,30 +149,11 @@ static void loclass_opt_suc(
uint8_t length,
bool add32Zeroes) {
for(int i = 0; i < length; i++) {
uint8_t head;
head = in[i];
loclass_opt_successor(k, s, head);
head >>= 1;
loclass_opt_successor(k, s, head);
head >>= 1;
loclass_opt_successor(k, s, head);
head >>= 1;
loclass_opt_successor(k, s, head);
head >>= 1;
loclass_opt_successor(k, s, head);
head >>= 1;
loclass_opt_successor(k, s, head);
head >>= 1;
loclass_opt_successor(k, s, head);
head >>= 1;
loclass_opt_successor(k, s, head);
uint8_t head = in[i];
for(int j = 0; j < 8; j++) {
loclass_opt_successor(k, s, head);
head >>= 1;
}
}
//For tag MAC, an additional 32 zeroes
if(add32Zeroes) {