test: minor enhancement for using the new private key format

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
This commit is contained in:
Valerio Setti 2023-05-18 19:00:22 +02:00
parent 972077820b
commit 7237d5ff5b
2 changed files with 22 additions and 32 deletions

View File

@ -29,13 +29,9 @@
static int pk_genkey_ec(mbedtls_pk_context *pk, mbedtls_ecp_group_id grp_id)
{
psa_status_t status;
mbedtls_ecp_keypair *eck = mbedtls_pk_ec_rw(*pk);
psa_key_attributes_t key_attr = PSA_KEY_ATTRIBUTES_INIT;
mbedtls_svc_key_id_t key_id = MBEDTLS_SVC_KEY_ID_INIT;
size_t curve_bits;
psa_ecc_family_t curve = mbedtls_ecc_group_to_psa(grp_id, &curve_bits);
unsigned char key_buf[MBEDTLS_PSA_MAX_EC_PUBKEY_LENGTH];
size_t key_len;
int ret;
if (curve == 0) {
@ -44,25 +40,21 @@ static int pk_genkey_ec(mbedtls_pk_context *pk, mbedtls_ecp_group_id grp_id)
psa_set_key_type(&key_attr, PSA_KEY_TYPE_ECC_KEY_PAIR(curve));
psa_set_key_bits(&key_attr, curve_bits);
psa_set_key_usage_flags(&key_attr, PSA_KEY_USAGE_EXPORT);
psa_set_key_usage_flags(&key_attr, PSA_KEY_USAGE_EXPORT |
PSA_KEY_USAGE_SIGN_HASH |
PSA_KEY_USAGE_SIGN_MESSAGE);
#if defined(MBEDTLS_ECDSA_DETERMINISTIC)
psa_set_key_algorithm(&key_attr, PSA_ALG_DETERMINISTIC_ECDSA(PSA_ALG_ANY_HASH));
#else
psa_set_key_algorithm(&key_attr, PSA_ALG_ECDSA(PSA_ALG_ANY_HASH));
#endif
status = psa_generate_key(&key_attr, &key_id);
status = psa_generate_key(&key_attr, &pk->priv_id);
if (status != PSA_SUCCESS) {
return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
}
status = psa_export_key(key_id, key_buf, sizeof(key_buf), &key_len);
if (status != PSA_SUCCESS) {
ret = MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
goto exit;
}
ret = mbedtls_mpi_read_binary(&eck->d, key_buf, key_len);
if (ret != 0) {
goto exit;
}
status = psa_export_public_key(key_id, pk->pub_raw, sizeof(pk->pub_raw),
status = psa_export_public_key(pk->priv_id, pk->pub_raw, sizeof(pk->pub_raw),
&pk->pub_raw_len);
if (status != PSA_SUCCESS) {
ret = MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
@ -72,15 +64,10 @@ static int pk_genkey_ec(mbedtls_pk_context *pk, mbedtls_ecp_group_id grp_id)
pk->ec_family = curve;
pk->ec_bits = curve_bits;
status = psa_destroy_key(key_id);
if (status != PSA_SUCCESS) {
return psa_pk_status_to_mbedtls(status);
}
return 0;
exit:
status = psa_destroy_key(key_id);
status = psa_destroy_key(pk->priv_id);
return (ret != 0) ? ret : psa_pk_status_to_mbedtls(status);
}
#endif /* MBEDTLS_PK_USE_PSA_EC_DATA */
@ -114,10 +101,16 @@ static int pk_genkey(mbedtls_pk_context *pk, int parameter)
mbedtls_pk_get_type(pk) == MBEDTLS_PK_ECDSA) {
int ret;
#if defined(MBEDTLS_ECP_C)
ret = mbedtls_ecp_group_load(&mbedtls_pk_ec_rw(*pk)->grp, parameter);
if (ret != 0) {
return ret;
}
return mbedtls_ecp_gen_keypair(&mbedtls_pk_ec_rw(*pk)->grp,
&mbedtls_pk_ec_rw(*pk)->d,
&mbedtls_pk_ec_rw(*pk)->Q,
mbedtls_test_rnd_std_rand, NULL);
#endif /* MBEDTLS_ECP_C */
#if defined(MBEDTLS_PK_USE_PSA_EC_DATA)
mbedtls_ecp_group grp;
@ -136,12 +129,6 @@ static int pk_genkey(mbedtls_pk_context *pk, int parameter)
return 0;
#endif /* MBEDTLS_PK_USE_PSA_EC_DATA */
#if defined(MBEDTLS_ECP_C)
return mbedtls_ecp_gen_keypair(&mbedtls_pk_ec_rw(*pk)->grp,
&mbedtls_pk_ec_rw(*pk)->d,
&mbedtls_pk_ec_rw(*pk)->Q,
mbedtls_test_rnd_std_rand, NULL);
#endif /* MBEDTLS_ECP_C */
}
#endif /* MBEDTLS_ECP_LIGHT */

View File

@ -117,10 +117,13 @@ void pk_parse_keyfile_ec(char *key_file, char *password, int result)
TEST_ASSERT(res == result);
if (res == 0) {
const mbedtls_ecp_keypair *eckey;
TEST_ASSERT(mbedtls_pk_can_do(&ctx, MBEDTLS_PK_ECKEY));
eckey = mbedtls_pk_ec_ro(ctx);
#if defined(MBEDTLS_ECP_C)
const mbedtls_ecp_keypair *eckey = mbedtls_pk_ec_ro(ctx);
TEST_ASSERT(mbedtls_ecp_check_privkey(&eckey->grp, &eckey->d) == 0);
#else
/* PSA keys are already checked on import so nothing to do here. */
#endif
}
exit: