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SHD-CacheAttackLab
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part2 ver 0.3.0 wait time to 1000

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ClF3 2024-11-04 20:26:12 +08:00
parent 5deca22f22
commit 4488725666
1 changed files with 2 additions and 2 deletions
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4
Part2-FlushReload/attacker.c
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@ -9,7 +9,7 @@
#include "util.h" #include "util.h"
#define CACHE_HIT_THRESHOLD 200 #define CACHE_HIT_THRESHOLD 200
#define WAIT_TIME 100 #define WAIT_TIME 1000
int main() { int main() {
int index = -1; int index = -1;
int flag = -1; int flag = -1;
@ -22,7 +22,7 @@ int main() {
clflush((ADDR_PTR)buf + i * 128); clflush((ADDR_PTR)buf + i * 128);
} }
for(int i = 0; i < WAIT_TIME; i++); for(int i = 0; i < WAIT_TIME; i++);
for(int i = 100; i < 10000; i++) { for(int i = 712; i < 10000; i++) {
time = measure_one_block_access_time((ADDR_PTR)buf + (i*i) / 1024 % 1024 * 128); time = measure_one_block_access_time((ADDR_PTR)buf + (i*i) / 1024 % 1024 * 128);
if(time < CACHE_HIT_THRESHOLD) { if(time < CACHE_HIT_THRESHOLD) {
flag = (i*i) / 1024 % 1024; flag = (i*i) / 1024 % 1024;