78     unsigned char buf[2048];  in main()  local
194     memset( buf, 0, sizeof( buf ) );  in main()
196     if( ( ret = mbedtls_dhm_make_params( &dhm, (int) mbedtls_mpi_size( &dhm.P ), buf, &n,  in main()
206     mbedtls_sha1( buf, n, hash );  in main()
208     buf[n    ] = (unsigned char)( rsa.len >> 8 );  in main()
209     buf[n + 1] = (unsigned char)( rsa.len      );  in main()
212                                 0, hash, buf + n + 2 ) ) != 0 )  in main()
223         ( ret = mbedtls_net_send( &client_fd, buf, buflen ) ) != (int) buflen )  in main()
235     memset( buf, 0, sizeof( buf ) );  in main()
237     if( ( ret = mbedtls_net_recv( &client_fd, buf, n ) ) != (int) n )  in main()
243     if( ( ret = mbedtls_dhm_read_public( &dhm, buf, dhm.len ) ) != 0 )  in main()
255     if( ( ret = mbedtls_dhm_calc_secret( &dhm, buf, sizeof( buf ), &n,  in main()
263         mbedtls_printf( "%02x", buf[n] );  in main()
276     mbedtls_aes_setkey_enc( &aes, buf, 256 );  in main()
277     memcpy( buf, PLAINTEXT, 16 );  in main()
278     mbedtls_aes_crypt_ecb( &aes, MBEDTLS_AES_ENCRYPT, buf, buf );  in main()
280     if( ( ret = mbedtls_net_send( &client_fd, buf, 16 ) ) != 16 )  in main()