SK_DES
if (!key || key->type != SK_DES) {
key ? key->type : -1, SK_DES);
skey.type = SK_DES;
skey.type = SK_DES;
skey.type = SK_DES;
skey.type = SK_DES;
skey.type = SK_DES;
skey.type = SK_DES;