34     int ret = 1;  in main()  local
62     if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func,  in main()
67                        ret);  in main()
79     ret = mbedtls_ecdh_setup(&ctx_cli, MBEDTLS_ECP_DP_CURVE25519);  in main()
80     if (ret != 0) {  in main()
81         mbedtls_printf(" failed\n  ! mbedtls_ecdh_setup returned %d\n", ret);  in main()
85     ret = mbedtls_ecdh_make_params(&ctx_cli, &cli_olen, cli_to_srv,  in main()
88     if (ret != 0) {  in main()
90                        ret);  in main()
102     ret = mbedtls_ecdh_read_params(&ctx_srv, &p_cli_to_srv,  in main()
104     if (ret != 0) {  in main()
106                        ret);  in main()
110     ret = mbedtls_ecdh_make_public(&ctx_srv, &srv_olen, srv_to_cli,  in main()
113     if (ret != 0) {  in main()
115                        ret);  in main()
127     ret = mbedtls_ecdh_read_public(&ctx_cli, srv_to_cli,  in main()
129     if (ret != 0) {  in main()
131                        ret);  in main()
143     ret = mbedtls_ecdh_calc_secret(&ctx_cli, &cli_olen, secret_cli,  in main()
146     if (ret != 0) {  in main()
148                        ret);  in main()
152     ret = mbedtls_ecdh_calc_secret(&ctx_srv, &srv_olen, secret_srv,  in main()
155     if (ret != 0) {  in main()
157                        ret);  in main()
169     ret = memcmp(secret_srv, secret_cli, srv_olen);  in main()
170     if (ret != 0 || (cli_olen != srv_olen)) {  in main()