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SHD-CacheAttackLab
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part2 ver 0.2.2

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ClF3 2024-11-04 20:08:56 +08:00
parent 73dfe68cdf
commit 5deca22f22
1 changed files with 3 additions and 0 deletions
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3
Part2-FlushReload/attacker.c
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@ -11,6 +11,7 @@
#define CACHE_HIT_THRESHOLD 200 #define CACHE_HIT_THRESHOLD 200
#define WAIT_TIME 100 #define WAIT_TIME 100
int main() { int main() {
int index = -1;
int flag = -1; int flag = -1;
CYCLES time = -1; CYCLES time = -1;
// buf is shared between the attacker and the victim // buf is shared between the attacker and the victim
@ -25,11 +26,13 @@ int main() {
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;
index=i;
break; break;
} }
} }
printf("Flag: %d\n", flag); printf("Flag: %d\n", flag);
printf("Time: %d\n", time); printf("Time: %d\n", time);
printf("Index: %d\n", index);
deallocate_shared_buffer(buf); deallocate_shared_buffer(buf);
return 0; return 0;