17     mbedtls_printf("MBEDTLS_ECDH_C and/or "  in main()
58     mbedtls_printf("  . Seed the random number generator...");  in main()
66         mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n",  in main()
71     mbedtls_printf(" ok\n");  in main()
76     mbedtls_printf("  . Set up client context, generate EC key pair...");  in main()
81         mbedtls_printf(" failed\n  ! mbedtls_ecdh_setup returned %d\n", ret);  in main()
89         mbedtls_printf(" failed\n  ! mbedtls_ecdh_make_params returned %d\n",  in main()
94     mbedtls_printf(" ok\n");  in main()
99     mbedtls_printf("  . Server: read params, generate public key...");  in main()
105         mbedtls_printf(" failed\n  ! mbedtls_ecdh_read_params returned %d\n",  in main()
114         mbedtls_printf(" failed\n  ! mbedtls_ecdh_make_public returned %d\n",  in main()
119     mbedtls_printf(" ok\n");  in main()
124     mbedtls_printf("  . Client: read public key...");  in main()
130         mbedtls_printf(" failed\n  ! mbedtls_ecdh_read_public returned %d\n",  in main()
135     mbedtls_printf(" ok\n");  in main()
140     mbedtls_printf("  . Calculate secrets...");  in main()
147         mbedtls_printf(" failed\n  ! mbedtls_ecdh_calc_secret returned %d\n",  in main()
156         mbedtls_printf(" failed\n  ! mbedtls_ecdh_calc_secret returned %d\n",  in main()
161     mbedtls_printf(" ok\n");  in main()
166     mbedtls_printf("  . Check if both calculated secrets are equal...");  in main()
171         mbedtls_printf(" failed\n  ! Shared secrets not equal.\n");  in main()
175     mbedtls_printf(" ok\n");  in main()