From be68d5516fe2906b1bc037e0d83140904b2ad770 Mon Sep 17 00:00:00 2001 From: Pol Henarejos Date: Fri, 23 Sep 2022 11:41:07 +0200 Subject: [PATCH] Making assertion for U2F. Signed-off-by: Pol Henarejos --- src/fido/cbor_get_assertion.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/src/fido/cbor_get_assertion.c b/src/fido/cbor_get_assertion.c index 183d46c..e1d695c 100644 --- a/src/fido/cbor_get_assertion.c +++ b/src/fido/cbor_get_assertion.c @@ -341,8 +341,10 @@ int cbor_get_assertion(const uint8_t *data, size_t len, bool next) { mbedtls_ecdsa_init(&ekey); int ret = fido_load_key(selcred->curve, selcred->id.data, &ekey); if (ret != 0) { - mbedtls_ecdsa_free(&ekey); - CBOR_ERROR(CTAP1_ERR_OTHER); + if (derive_key(rp_id_hash, false, selcred->id.data, MBEDTLS_ECP_DP_SECP256R1, &ekey) != 0) { + mbedtls_ecdsa_free(&ekey); + CBOR_ERROR(CTAP1_ERR_OTHER); + } } size_t ext_len = 0;