63     FILE *f;  in main()  local
108     if( ( f = fopen( "rsa_priv.txt", "rb" ) ) == NULL )  in main()
116     if( ( return_val = mbedtls_mpi_read_file( &rsa.N , 16, f ) ) != 0 ||  in main()
117         ( return_val = mbedtls_mpi_read_file( &rsa.E , 16, f ) ) != 0 ||  in main()
118         ( return_val = mbedtls_mpi_read_file( &rsa.D , 16, f ) ) != 0 ||  in main()
119         ( return_val = mbedtls_mpi_read_file( &rsa.P , 16, f ) ) != 0 ||  in main()
120         ( return_val = mbedtls_mpi_read_file( &rsa.Q , 16, f ) ) != 0 ||  in main()
121         ( return_val = mbedtls_mpi_read_file( &rsa.DP, 16, f ) ) != 0 ||  in main()
122         ( return_val = mbedtls_mpi_read_file( &rsa.DQ, 16, f ) ) != 0 ||  in main()
123         ( return_val = mbedtls_mpi_read_file( &rsa.QP, 16, f ) ) != 0 )  in main()
128         fclose( f );  in main()
134     fclose( f );  in main()
139     if( ( f = fopen( "result-enc.txt", "rb" ) ) == NULL )  in main()
148     while( fscanf( f, "%02X", &c ) > 0 &&  in main()
152     fclose( f );  in main()