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Fix meta parsing.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-06-02 19:30:09 +02:00
parent 7c27be784b
commit f4cc1fed36
1 changed files with 6 additions and 1 deletions
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7
src/hsm/sc_hsm.c
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@@ -927,8 +927,13 @@ int find_and_store_meta_key(uint8_t key_id) {
size_t lt[4] = { 0,0,0,0 }, meta_size = 0;
uint8_t *pt[4] = { NULL,NULL,NULL,NULL };
for (int t = 0; t < 4; t++) {
if (asn1_find_tag(apdu.data, apdu.nc, 0x90+t, &lt[t], &pt[t]) && pt[t] != NULL && lt[t] > 0)
uint8_t *ptt = NULL;
size_t ltt = 0;
if (asn1_find_tag(apdu.data, apdu.nc, 0x90+t, &ltt, &ptt) && ptt != NULL && ltt > 0) {
lt[t] = ltt;
pt[t] = ptt;
meta_size += asn1_len_tag(0x90+t, lt[t]);
}
}
if (meta_size) {
uint8_t *meta = (uint8_t *)calloc(1, meta_size), *m = meta;