/* BEGIN_HEADER */ #include "mbedtls/ecdh.h" static int load_public_key(int grp_id, data_t *point, mbedtls_ecp_keypair *ecp) { int ok = 0; TEST_ASSERT(mbedtls_ecp_group_load(&ecp->grp, grp_id) == 0); TEST_ASSERT(mbedtls_ecp_point_read_binary(&ecp->grp, &ecp->Q, point->x, point->len) == 0); TEST_ASSERT(mbedtls_ecp_check_pubkey(&ecp->grp, &ecp->Q) == 0); ok = 1; exit: return ok; } static int load_private_key(int grp_id, data_t *private_key, mbedtls_ecp_keypair *ecp, mbedtls_test_rnd_pseudo_info *rnd_info) { int ok = 0; TEST_ASSERT(mbedtls_ecp_read_key(grp_id, ecp, private_key->x, private_key->len) == 0); TEST_ASSERT(mbedtls_ecp_check_privkey(&ecp->grp, &ecp->d) == 0); /* Calculate the public key from the private key. */ TEST_ASSERT(mbedtls_ecp_mul(&ecp->grp, &ecp->Q, &ecp->d, &ecp->grp.G, &mbedtls_test_rnd_pseudo_rand, rnd_info) == 0); ok = 1; exit: return ok; } /* END_HEADER */ /* BEGIN_DEPENDENCIES * depends_on:MBEDTLS_ECDH_C * END_DEPENDENCIES */ /* BEGIN_CASE */ void ecdh_valid_param() { TEST_VALID_PARAM(mbedtls_ecdh_free(NULL)); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_CHECK_PARAMS:!MBEDTLS_PARAM_FAILED_ALT */ void ecdh_invalid_param() { mbedtls_ecp_group grp; mbedtls_ecdh_context ctx; mbedtls_mpi m; mbedtls_ecp_point P; mbedtls_ecp_keypair kp; size_t olen; unsigned char buf[42] = { 0 }; const unsigned char *buf_null = NULL; size_t const buflen = sizeof(buf); int invalid_side = 42; mbedtls_ecp_group_id valid_grp = MBEDTLS_ECP_DP_SECP192R1; mbedtls_ecp_keypair_init(&kp); mbedtls_ecdh_init(&ctx); TEST_INVALID_PARAM(mbedtls_ecdh_init(NULL)); #if defined(MBEDTLS_ECP_RESTARTABLE) TEST_INVALID_PARAM(mbedtls_ecdh_enable_restart(NULL)); #endif /* MBEDTLS_ECP_RESTARTABLE */ TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_gen_public(NULL, &m, &P, mbedtls_test_rnd_std_rand, NULL)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_gen_public(&grp, NULL, &P, mbedtls_test_rnd_std_rand, NULL)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_gen_public(&grp, &m, NULL, mbedtls_test_rnd_std_rand, NULL)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_gen_public(&grp, &m, &P, NULL, NULL)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_compute_shared(NULL, &m, &P, &m, mbedtls_test_rnd_std_rand, NULL)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_compute_shared(&grp, NULL, &P, &m, mbedtls_test_rnd_std_rand, NULL)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_compute_shared(&grp, &m, NULL, &m, mbedtls_test_rnd_std_rand, NULL)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_compute_shared(&grp, &m, &P, NULL, mbedtls_test_rnd_std_rand, NULL)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_setup(NULL, valid_grp)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_make_params(NULL, &olen, buf, buflen, mbedtls_test_rnd_std_rand, NULL)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_make_params(&ctx, NULL, buf, buflen, mbedtls_test_rnd_std_rand, NULL)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_make_params(&ctx, &olen, NULL, buflen, mbedtls_test_rnd_std_rand, NULL)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_make_params(&ctx, &olen, buf, buflen, NULL, NULL)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_read_params(NULL, (const unsigned char **) &buf, buf)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_read_params(&ctx, &buf_null, buf)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_read_params(&ctx, NULL, buf)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_read_params(&ctx, (const unsigned char **) &buf, NULL)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_get_params(NULL, &kp, MBEDTLS_ECDH_OURS)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_get_params(&ctx, NULL, MBEDTLS_ECDH_OURS)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_get_params(&ctx, &kp, invalid_side)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_make_public(NULL, &olen, buf, buflen, mbedtls_test_rnd_std_rand, NULL)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_make_public(&ctx, NULL, buf, buflen, mbedtls_test_rnd_std_rand, NULL)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_make_public(&ctx, &olen, NULL, buflen, mbedtls_test_rnd_std_rand, NULL)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_make_public(&ctx, &olen, buf, buflen, NULL, NULL)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_read_public(NULL, buf, buflen)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_read_public(&ctx, NULL, buflen)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_calc_secret(NULL, &olen, buf, buflen, mbedtls_test_rnd_std_rand, NULL)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_calc_secret(&ctx, NULL, buf, buflen, mbedtls_test_rnd_std_rand, NULL)); TEST_INVALID_PARAM_RET(MBEDTLS_ERR_ECP_BAD_INPUT_DATA, mbedtls_ecdh_calc_secret(&ctx, &olen, NULL, buflen, mbedtls_test_rnd_std_rand, NULL)); exit: return; } /* END_CASE */ /* BEGIN_CASE */ void ecdh_primitive_random(int id) { mbedtls_ecp_group grp; mbedtls_ecp_point qA, qB; mbedtls_mpi dA, dB, zA, zB; mbedtls_test_rnd_pseudo_info rnd_info; mbedtls_ecp_group_init(&grp); mbedtls_ecp_point_init(&qA); mbedtls_ecp_point_init(&qB); mbedtls_mpi_init(&dA); mbedtls_mpi_init(&dB); mbedtls_mpi_init(&zA); mbedtls_mpi_init(&zB); memset(&rnd_info, 0x00, sizeof(mbedtls_test_rnd_pseudo_info)); TEST_ASSERT(mbedtls_ecp_group_load(&grp, id) == 0); TEST_ASSERT(mbedtls_ecdh_gen_public(&grp, &dA, &qA, &mbedtls_test_rnd_pseudo_rand, &rnd_info) == 0); TEST_ASSERT(mbedtls_ecdh_gen_public(&grp, &dB, &qB, &mbedtls_test_rnd_pseudo_rand, &rnd_info) == 0); TEST_ASSERT(mbedtls_ecdh_compute_shared(&grp, &zA, &qB, &dA, &mbedtls_test_rnd_pseudo_rand, &rnd_info) == 0); TEST_ASSERT(mbedtls_ecdh_compute_shared(&grp, &zB, &qA, &dB, NULL, NULL) == 0); TEST_ASSERT(mbedtls_mpi_cmp_mpi(&zA, &zB) == 0); exit: mbedtls_ecp_group_free(&grp); mbedtls_ecp_point_free(&qA); mbedtls_ecp_point_free(&qB); mbedtls_mpi_free(&dA); mbedtls_mpi_free(&dB); mbedtls_mpi_free(&zA); mbedtls_mpi_free(&zB); } /* END_CASE */ /* BEGIN_CASE */ void ecdh_primitive_testvec(int id, data_t *rnd_buf_A, char *xA_str, char *yA_str, data_t *rnd_buf_B, char *xB_str, char *yB_str, char *z_str) { mbedtls_ecp_group grp; mbedtls_ecp_point qA, qB; mbedtls_mpi dA, dB, zA, zB, check; mbedtls_test_rnd_buf_info rnd_info_A, rnd_info_B; mbedtls_ecp_group_init(&grp); mbedtls_ecp_point_init(&qA); mbedtls_ecp_point_init(&qB); mbedtls_mpi_init(&dA); mbedtls_mpi_init(&dB); mbedtls_mpi_init(&zA); mbedtls_mpi_init(&zB); mbedtls_mpi_init(&check); TEST_ASSERT(mbedtls_ecp_group_load(&grp, id) == 0); rnd_info_A.buf = rnd_buf_A->x; rnd_info_A.length = rnd_buf_A->len; rnd_info_A.fallback_f_rng = mbedtls_test_rnd_std_rand; rnd_info_A.fallback_p_rng = NULL; /* Fix rnd_buf_A->x by shifting it left if necessary */ if (grp.nbits % 8 != 0) { unsigned char shift = 8 - (grp.nbits % 8); size_t i; for (i = 0; i < rnd_info_A.length - 1; i++) { rnd_buf_A->x[i] = rnd_buf_A->x[i] << shift | rnd_buf_A->x[i+1] >> (8 - shift); } rnd_buf_A->x[rnd_info_A.length-1] <<= shift; } rnd_info_B.buf = rnd_buf_B->x; rnd_info_B.length = rnd_buf_B->len; rnd_info_B.fallback_f_rng = mbedtls_test_rnd_std_rand; rnd_info_B.fallback_p_rng = NULL; /* Fix rnd_buf_B->x by shifting it left if necessary */ if (grp.nbits % 8 != 0) { unsigned char shift = 8 - (grp.nbits % 8); size_t i; for (i = 0; i < rnd_info_B.length - 1; i++) { rnd_buf_B->x[i] = rnd_buf_B->x[i] << shift | rnd_buf_B->x[i+1] >> (8 - shift); } rnd_buf_B->x[rnd_info_B.length-1] <<= shift; } TEST_ASSERT(mbedtls_ecdh_gen_public(&grp, &dA, &qA, mbedtls_test_rnd_buffer_rand, &rnd_info_A) == 0); TEST_ASSERT(!mbedtls_ecp_is_zero(&qA)); TEST_ASSERT(mbedtls_test_read_mpi(&check, xA_str) == 0); TEST_ASSERT(mbedtls_mpi_cmp_mpi(&qA.X, &check) == 0); TEST_ASSERT(mbedtls_test_read_mpi(&check, yA_str) == 0); TEST_ASSERT(mbedtls_mpi_cmp_mpi(&qA.Y, &check) == 0); TEST_ASSERT(mbedtls_ecdh_gen_public(&grp, &dB, &qB, mbedtls_test_rnd_buffer_rand, &rnd_info_B) == 0); TEST_ASSERT(!mbedtls_ecp_is_zero(&qB)); TEST_ASSERT(mbedtls_test_read_mpi(&check, xB_str) == 0); TEST_ASSERT(mbedtls_mpi_cmp_mpi(&qB.X, &check) == 0); TEST_ASSERT(mbedtls_test_read_mpi(&check, yB_str) == 0); TEST_ASSERT(mbedtls_mpi_cmp_mpi(&qB.Y, &check) == 0); TEST_ASSERT(mbedtls_test_read_mpi(&check, z_str) == 0); TEST_ASSERT(mbedtls_ecdh_compute_shared(&grp, &zA, &qB, &dA, NULL, NULL) == 0); TEST_ASSERT(mbedtls_mpi_cmp_mpi(&zA, &check) == 0); TEST_ASSERT(mbedtls_ecdh_compute_shared(&grp, &zB, &qA, &dB, NULL, NULL) == 0); TEST_ASSERT(mbedtls_mpi_cmp_mpi(&zB, &check) == 0); exit: mbedtls_ecp_group_free(&grp); mbedtls_ecp_point_free(&qA); mbedtls_ecp_point_free(&qB); mbedtls_mpi_free(&dA); mbedtls_mpi_free(&dB); mbedtls_mpi_free(&zA); mbedtls_mpi_free(&zB); mbedtls_mpi_free(&check); } /* END_CASE */ /* BEGIN_CASE */ void ecdh_exchange(int id) { mbedtls_ecdh_context srv, cli; unsigned char buf[1000]; const unsigned char *vbuf; size_t len; mbedtls_test_rnd_pseudo_info rnd_info; unsigned char res_buf[1000]; size_t res_len; mbedtls_ecdh_init(&srv); mbedtls_ecdh_init(&cli); memset(&rnd_info, 0x00, sizeof(mbedtls_test_rnd_pseudo_info)); TEST_ASSERT(mbedtls_ecdh_setup(&srv, id) == 0); memset(buf, 0x00, sizeof(buf)); vbuf = buf; TEST_ASSERT(mbedtls_ecdh_make_params(&srv, &len, buf, 1000, &mbedtls_test_rnd_pseudo_rand, &rnd_info) == 0); TEST_ASSERT(mbedtls_ecdh_read_params(&cli, &vbuf, buf + len) == 0); memset(buf, 0x00, sizeof(buf)); TEST_ASSERT(mbedtls_ecdh_make_public(&cli, &len, buf, 1000, &mbedtls_test_rnd_pseudo_rand, &rnd_info) == 0); TEST_ASSERT(mbedtls_ecdh_read_public(&srv, buf, len) == 0); TEST_ASSERT(mbedtls_ecdh_calc_secret(&srv, &len, buf, 1000, &mbedtls_test_rnd_pseudo_rand, &rnd_info) == 0); TEST_ASSERT(mbedtls_ecdh_calc_secret(&cli, &res_len, res_buf, 1000, NULL, NULL) == 0); TEST_ASSERT(len == res_len); TEST_ASSERT(memcmp(buf, res_buf, len) == 0); exit: mbedtls_ecdh_free(&srv); mbedtls_ecdh_free(&cli); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_ECP_RESTARTABLE */ void ecdh_restart(int id, data_t *dA, data_t *dB, data_t *z, int enable, int max_ops, int min_restart, int max_restart) { int ret; mbedtls_ecdh_context srv, cli; unsigned char buf[1000]; const unsigned char *vbuf; size_t len; mbedtls_test_rnd_buf_info rnd_info_A, rnd_info_B; int cnt_restart; mbedtls_ecp_group grp; mbedtls_ecp_group_init(&grp); mbedtls_ecdh_init(&srv); mbedtls_ecdh_init(&cli); rnd_info_A.fallback_f_rng = mbedtls_test_rnd_std_rand; rnd_info_A.fallback_p_rng = NULL; rnd_info_A.buf = dA->x; rnd_info_A.length = dA->len; rnd_info_B.fallback_f_rng = mbedtls_test_rnd_std_rand; rnd_info_B.fallback_p_rng = NULL; rnd_info_B.buf = dB->x; rnd_info_B.length = dB->len; /* The ECDH context is not guaranteed to have an mbedtls_ecp_group structure * in every configuration, therefore we load it separately. */ TEST_ASSERT(mbedtls_ecp_group_load(&grp, id) == 0); /* Otherwise we would have to fix the random buffer, * as in ecdh_primitive_testvec. */ TEST_ASSERT(grp.nbits % 8 == 0); TEST_ASSERT(mbedtls_ecdh_setup(&srv, id) == 0); /* set up restart parameters */ mbedtls_ecp_set_max_ops(max_ops); if (enable) { mbedtls_ecdh_enable_restart(&srv); mbedtls_ecdh_enable_restart(&cli); } /* server writes its parameters */ memset(buf, 0x00, sizeof(buf)); len = 0; cnt_restart = 0; do { ret = mbedtls_ecdh_make_params(&srv, &len, buf, sizeof(buf), mbedtls_test_rnd_buffer_rand, &rnd_info_A); } while (ret == MBEDTLS_ERR_ECP_IN_PROGRESS && ++cnt_restart); TEST_ASSERT(ret == 0); TEST_ASSERT(cnt_restart >= min_restart); TEST_ASSERT(cnt_restart <= max_restart); /* client read server params */ vbuf = buf; TEST_ASSERT(mbedtls_ecdh_read_params(&cli, &vbuf, buf + len) == 0); /* client writes its key share */ memset(buf, 0x00, sizeof(buf)); len = 0; cnt_restart = 0; do { ret = mbedtls_ecdh_make_public(&cli, &len, buf, sizeof(buf), mbedtls_test_rnd_buffer_rand, &rnd_info_B); } while (ret == MBEDTLS_ERR_ECP_IN_PROGRESS && ++cnt_restart); TEST_ASSERT(ret == 0); TEST_ASSERT(cnt_restart >= min_restart); TEST_ASSERT(cnt_restart <= max_restart); /* server reads client key share */ TEST_ASSERT(mbedtls_ecdh_read_public(&srv, buf, len) == 0); /* server computes shared secret */ memset(buf, 0, sizeof(buf)); len = 0; cnt_restart = 0; do { ret = mbedtls_ecdh_calc_secret(&srv, &len, buf, sizeof(buf), NULL, NULL); } while (ret == MBEDTLS_ERR_ECP_IN_PROGRESS && ++cnt_restart); TEST_ASSERT(ret == 0); TEST_ASSERT(cnt_restart >= min_restart); TEST_ASSERT(cnt_restart <= max_restart); TEST_ASSERT(len == z->len); TEST_ASSERT(memcmp(buf, z->x, len) == 0); /* client computes shared secret */ memset(buf, 0, sizeof(buf)); len = 0; cnt_restart = 0; do { ret = mbedtls_ecdh_calc_secret(&cli, &len, buf, sizeof(buf), NULL, NULL); } while (ret == MBEDTLS_ERR_ECP_IN_PROGRESS && ++cnt_restart); TEST_ASSERT(ret == 0); TEST_ASSERT(cnt_restart >= min_restart); TEST_ASSERT(cnt_restart <= max_restart); TEST_ASSERT(len == z->len); TEST_ASSERT(memcmp(buf, z->x, len) == 0); exit: mbedtls_ecp_group_free(&grp); mbedtls_ecdh_free(&srv); mbedtls_ecdh_free(&cli); } /* END_CASE */ /* BEGIN_CASE depends_on:MBEDTLS_ECDH_LEGACY_CONTEXT */ void ecdh_exchange_legacy(int id) { mbedtls_ecdh_context srv, cli; unsigned char buf[1000]; const unsigned char *vbuf; size_t len; mbedtls_test_rnd_pseudo_info rnd_info; mbedtls_ecdh_init(&srv); mbedtls_ecdh_init(&cli); memset(&rnd_info, 0x00, sizeof(mbedtls_test_rnd_pseudo_info)); TEST_ASSERT(mbedtls_ecp_group_load(&srv.grp, id) == 0); memset(buf, 0x00, sizeof(buf)); vbuf = buf; TEST_ASSERT(mbedtls_ecdh_make_params(&srv, &len, buf, 1000, &mbedtls_test_rnd_pseudo_rand, &rnd_info) == 0); TEST_ASSERT(mbedtls_ecdh_read_params(&cli, &vbuf, buf + len) == 0); memset(buf, 0x00, sizeof(buf)); TEST_ASSERT(mbedtls_ecdh_make_public(&cli, &len, buf, 1000, &mbedtls_test_rnd_pseudo_rand, &rnd_info) == 0); TEST_ASSERT(mbedtls_ecdh_read_public(&srv, buf, len) == 0); TEST_ASSERT(mbedtls_ecdh_calc_secret(&srv, &len, buf, 1000, &mbedtls_test_rnd_pseudo_rand, &rnd_info) == 0); TEST_ASSERT(mbedtls_ecdh_calc_secret(&cli, &len, buf, 1000, NULL, NULL) == 0); TEST_ASSERT(mbedtls_mpi_cmp_mpi(&srv.z, &cli.z) == 0); exit: mbedtls_ecdh_free(&srv); mbedtls_ecdh_free(&cli); } /* END_CASE */ /* BEGIN_CASE */ void ecdh_exchange_calc_secret(int grp_id, data_t *our_private_key, data_t *their_point, int ours_first, data_t *expected) { mbedtls_test_rnd_pseudo_info rnd_info; mbedtls_ecp_keypair our_key; mbedtls_ecp_keypair their_key; mbedtls_ecdh_context ecdh; unsigned char shared_secret[MBEDTLS_ECP_MAX_BYTES]; size_t shared_secret_length = 0; memset(&rnd_info, 0x00, sizeof(mbedtls_test_rnd_pseudo_info)); mbedtls_ecdh_init(&ecdh); mbedtls_ecp_keypair_init(&our_key); mbedtls_ecp_keypair_init(&their_key); if (!load_private_key(grp_id, our_private_key, &our_key, &rnd_info)) { goto exit; } if (!load_public_key(grp_id, their_point, &their_key)) { goto exit; } /* Import the keys to the ECDH calculation. */ if (ours_first) { TEST_ASSERT(mbedtls_ecdh_get_params( &ecdh, &our_key, MBEDTLS_ECDH_OURS) == 0); TEST_ASSERT(mbedtls_ecdh_get_params( &ecdh, &their_key, MBEDTLS_ECDH_THEIRS) == 0); } else { TEST_ASSERT(mbedtls_ecdh_get_params( &ecdh, &their_key, MBEDTLS_ECDH_THEIRS) == 0); TEST_ASSERT(mbedtls_ecdh_get_params( &ecdh, &our_key, MBEDTLS_ECDH_OURS) == 0); } /* Perform the ECDH calculation. */ TEST_ASSERT(mbedtls_ecdh_calc_secret( &ecdh, &shared_secret_length, shared_secret, sizeof(shared_secret), &mbedtls_test_rnd_pseudo_rand, &rnd_info) == 0); TEST_ASSERT(shared_secret_length == expected->len); TEST_ASSERT(memcmp(expected->x, shared_secret, shared_secret_length) == 0); exit: mbedtls_ecdh_free(&ecdh); mbedtls_ecp_keypair_free(&our_key); mbedtls_ecp_keypair_free(&their_key); } /* END_CASE */ /* BEGIN_CASE */ void ecdh_exchange_get_params_fail(int our_grp_id, data_t *our_private_key, int their_grp_id, data_t *their_point, int ours_first, int expected_ret) { mbedtls_test_rnd_pseudo_info rnd_info; mbedtls_ecp_keypair our_key; mbedtls_ecp_keypair their_key; mbedtls_ecdh_context ecdh; memset(&rnd_info, 0x00, sizeof(mbedtls_test_rnd_pseudo_info)); mbedtls_ecdh_init(&ecdh); mbedtls_ecp_keypair_init(&our_key); mbedtls_ecp_keypair_init(&their_key); if (!load_private_key(our_grp_id, our_private_key, &our_key, &rnd_info)) { goto exit; } if (!load_public_key(their_grp_id, their_point, &their_key)) { goto exit; } if (ours_first) { TEST_ASSERT(mbedtls_ecdh_get_params( &ecdh, &our_key, MBEDTLS_ECDH_OURS) == 0); TEST_ASSERT(mbedtls_ecdh_get_params( &ecdh, &their_key, MBEDTLS_ECDH_THEIRS) == expected_ret); } else { TEST_ASSERT(mbedtls_ecdh_get_params( &ecdh, &their_key, MBEDTLS_ECDH_THEIRS) == 0); TEST_ASSERT(mbedtls_ecdh_get_params( &ecdh, &our_key, MBEDTLS_ECDH_OURS) == expected_ret); } exit: mbedtls_ecdh_free(&ecdh); mbedtls_ecp_keypair_free(&our_key); mbedtls_ecp_keypair_free(&their_key); } /* END_CASE */