57     FILE *f;  in main()  local
82     if( ( f = fopen( "rsa_priv.txt", "rb" ) ) == NULL )  in main()
90     if( ( ret = mbedtls_mpi_read_file( &rsa.N , 16, f ) ) != 0 ||  in main()
91         ( ret = mbedtls_mpi_read_file( &rsa.E , 16, f ) ) != 0 ||  in main()
92         ( ret = mbedtls_mpi_read_file( &rsa.D , 16, f ) ) != 0 ||  in main()
93         ( ret = mbedtls_mpi_read_file( &rsa.P , 16, f ) ) != 0 ||  in main()
94         ( ret = mbedtls_mpi_read_file( &rsa.Q , 16, f ) ) != 0 ||  in main()
95         ( ret = mbedtls_mpi_read_file( &rsa.DP, 16, f ) ) != 0 ||  in main()
96         ( ret = mbedtls_mpi_read_file( &rsa.DQ, 16, f ) ) != 0 ||  in main()
97         ( ret = mbedtls_mpi_read_file( &rsa.QP, 16, f ) ) != 0 )  in main()
100         fclose( f );  in main()
106     fclose( f );  in main()
143     if( ( f = fopen( filename, "wb+" ) ) == NULL )  in main()
151         mbedtls_fprintf( f, "%02X%s", buf[i],  in main()
154     fclose( f );  in main()