dearsky/pico-hsm
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Using file_has_data() to check contents.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
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Pol Henarejos
2023-01-13 18:07:50 +01:00
parent 723011078c
commit 5419ff74ee
7 changed files with 9 additions and 9 deletions
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src/hsm/cmd_derive_asym.c
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@@ -43,7 +43,7 @@ int cmd_derive_asym() {
file_t *fkey;
if (!isUserAuthenticated)
return SW_SECURITY_STATUS_NOT_SATISFIED();
if (!(fkey = search_dynamic_file((KEY_PREFIX << 8) | key_id)) || !fkey->data || file_get_size(fkey) == 0)
if (!(fkey = search_dynamic_file((KEY_PREFIX << 8) | key_id)) || !file_has_data(fkey))
return SW_FILE_NOT_FOUND();
if (key_has_purpose(fkey, ALGO_EC_DERIVE) == false)
return SW_CONDITIONS_NOT_SATISFIED();