Fix loading and saving Montgomery keys.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
2023-08-24 16:01:39 +02:00
parent 7376817724
commit 1d3232df36
2 changed files with 2 additions and 2 deletions
--- a/src/hsm/sc_hsm.c
+++ b/src/hsm/sc_hsm.c
@@ -502,7 +502,7 @@ int store_keys(void *key_ctx, int type, uint8_t key_id) {
        mbedtls_ecdsa_context *ecdsa = (mbedtls_ecdsa_context *) key_ctx;
        key_size = mbedtls_mpi_size(&ecdsa->d);
        kdata[0] = ecdsa->grp.id & 0xff;
-        mbedtls_mpi_write_binary(&ecdsa->d, kdata + 1, key_size);
+        mbedtls_ecp_write_key(ecdsa, kdata + 1, key_size);
        key_size++;
    }
    else if (type & HSM_KEY_AES) {