KRB5_STORAGE_BYTEORDER_BE
ret = read_master_mit(context, filename, KRB5_STORAGE_BYTEORDER_BE, mkey);
krb5_storage_set_byteorder(sp, KRB5_STORAGE_BYTEORDER_BE);
#define BYTEORDER_IS_BE(SP) BYTEORDER_IS((SP), KRB5_STORAGE_BYTEORDER_BE)