Don't use mbedtls_pk_ec in our own code
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/library/pk.c b/library/pk.c
index 3f28787..696e7e5 100644
--- a/library/pk.c
+++ b/library/pk.c
@@ -475,7 +475,7 @@
size_t bits = psa_get_key_bits(&old_attributes);
psa_ecc_family_t family = PSA_KEY_TYPE_ECC_GET_FAMILY(old_type);
#else
- mbedtls_ecp_keypair *ec = mbedtls_pk_ec(*pk);
+ const mbedtls_ecp_keypair *ec = mbedtls_pk_ec_ro(*pk);
int has_private = (ec->d.n != 0);
size_t bits = 0;
psa_ecc_family_t family =
diff --git a/tests/suites/test_suite_pk.function b/tests/suites/test_suite_pk.function
index 14d049d..706bb70 100644
--- a/tests/suites/test_suite_pk.function
+++ b/tests/suites/test_suite_pk.function
@@ -287,7 +287,7 @@
pk->pub_raw, pk->pub_raw_len,
&pk->priv_id));
#else
- mbedtls_ecp_keypair *ec = mbedtls_pk_ec(*pk);
+ mbedtls_ecp_keypair *ec = mbedtls_pk_ec_rw(*pk);
mbedtls_mpi_free(&ec->d);
#endif
}