Fix bug in mbedtls_pk_wrap_as_opaque
Signed-off-by: Jethro Beekman <jethro@fortanix.com>
diff --git a/library/pk.c b/library/pk.c
index 4e2f218..ae1966b 100644
--- a/library/pk.c
+++ b/library/pk.c
@@ -873,7 +873,7 @@
#else /* !MBEDTLS_ECP_LIGHT && !MBEDTLS_RSA_C */
#if defined(MBEDTLS_ECP_LIGHT)
if (mbedtls_pk_get_type(pk) == MBEDTLS_PK_ECKEY) {
- const mbedtls_ecp_keypair *ec;
+ mbedtls_ecp_keypair *ec;
unsigned char d[MBEDTLS_ECP_MAX_BYTES];
size_t d_len;
psa_ecc_family_t curve_id;
@@ -886,7 +886,7 @@
/* export the private key material in the format PSA wants */
ec = mbedtls_pk_ec(*pk);
d_len = PSA_BITS_TO_BYTES(ec->grp.nbits);
- if ((ret = mbedtls_mpi_write_binary(&ec->d, d, d_len)) != 0) {
+ if ((ret = mbedtls_ecp_write_key(ec, d, d_len)) != 0) {
return ret;
}