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Diffstat (limited to 'utils/nwztools/upgtools/keysig_search.c')
-rw-r--r--utils/nwztools/upgtools/keysig_search.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/utils/nwztools/upgtools/keysig_search.c b/utils/nwztools/upgtools/keysig_search.c
index 2f234d6358..c16dae5260 100644
--- a/utils/nwztools/upgtools/keysig_search.c
+++ b/utils/nwztools/upgtools/keysig_search.c
@@ -218,11 +218,10 @@ typedef bool (*sig_validate_fn_t)(uint8_t *key);
static bool check_key(uint8_t key[NWZ_KEY_SIZE], sig_validate_fn_t validate)
{
struct upg_header_t hdr;
- mg_decrypt_fw(g_keysig_search.enc_buf, sizeof(hdr.sig), (void *)&hdr, key);
+ mg_decrypt_fw(g_keysig_search.enc_buf, sizeof(hdr), (void *)&hdr, key);
if(validate(hdr.sig))
{
- /* the signature looks correct, so decrypt the header futher to be sure */
- mg_decrypt_fw(g_keysig_search.enc_buf, sizeof(hdr), (void *)&hdr, key);
+ /* the signature looks correct, so check the header to be sure */
/* we expect the number of files to be small and the padding to be 0 */
if(hdr.nr_files == 0 || hdr.nr_files > 10 || hdr.pad != 0)
return false;