Fix missing parameters.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
2022-10-02 00:27:15 +02:00
parent d43b6caf16
commit cb4827688b
1 changed files with 3 additions and 0 deletions
--- a/src/fido/cbor_get_assertion.c
+++ b/src/fido/cbor_get_assertion.c
@@ -198,6 +198,9 @@ int cbor_get_assertion(const uint8_t *data, size_t len, bool next) {
    }
    CBOR_PARSE_MAP_END(map, 1);

+    if (rpId.present == false || clientDataHash.present == false)
+        CBOR_ERROR(CTAP2_ERR_MISSING_PARAMETER);
+
    uint8_t flags = 0;
    uint8_t rp_id_hash[32];
    mbedtls_sha256((uint8_t *)rpId.data, rpId.len, rp_id_hash, 0);