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psa_crypto_slot_management: check key ID range when loading a persistent key

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Do not try to load a persistent key whose key ID is in the volatile range.

Signed-off-by: Valerio Setti <[email protected]>
This commit is contained in:
Valerio Setti
2025-10-27 11:12:07 +01:00
parent d80b9ff511
commit 1b93588d93
1 changed files with 6 additions and 0 deletions
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library/psa_crypto_slot_management.c
+6
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@@ -684,6 +684,12 @@ static psa_status_t psa_load_persistent_key_into_slot(psa_key_slot_t *slot)
psa_status_t status = PSA_SUCCESS;
uint8_t *key_data = NULL;
size_t key_data_length = 0;
psa_key_id_t key_id = MBEDTLS_SVC_KEY_ID_GET_KEY_ID(slot->attr.id);
/* Do not try to load a persistent key whose ID is in the volatile range. */
if ((key_id >= PSA_KEY_ID_VOLATILE_MIN) && (key_id <= PSA_KEY_ID_VOLATILE_MAX)) {
return PSA_ERROR_DOES_NOT_EXIST;
}
status = psa_load_persistent_key(&slot->attr,
&key_data, &key_data_length);