[aes_gcm,sca] Fix 0 init of array

This commit fixes the zero init of the accumulation array. Signed-off-by: Pascal Nasahl <[email protected]>
nasahlpa · Jan 15, 2025 · 15920e3 · 15920e3
1 parent 242a5cb
commit 15920e3
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/sw/device/tests/penetrationtests/firmware/sca/aes_sca.c b/sw/device/tests/penetrationtests/firmware/sca/aes_sca.c
@@ -914,8 +914,10 @@ status_t handle_aes_sca_gcm_fvsr_batch(ujson_t *uj) {
 
   // Trigger the AES GCM operation.
   dif_aes_data_t aes_tag_acc;
-  memset(aes_tag_acc.data, 0,
-         sizeof(aes_tag_acc.data[0] * ARRAYSIZE(aes_tag_acc.data)));
+  aes_tag_acc.data[0] = 0;
+  aes_tag_acc.data[1] = 0;
+  aes_tag_acc.data[2] = 0;
+  aes_tag_acc.data[3] = 0;
   for (size_t it = 0; it < uj_num_ops.num_batch_ops; it++) {
     dif_aes_data_t aes_tag;
     TRY(trigger_aes_gcm(key_fvsr[it], aes_iv_fvsr[it], aes_aad,