1 typedef unsigned char des_user_key[8]; 2 typedef unsigned char des_cblock[8]; 3 typedef unsigned long des_ks[32]; 4 5 void _des_crypt( des_cblock in, des_cblock out, des_ks key, int encrypt ); 6 void _des_expand_key( des_user_key userKey, des_ks key ); 7 8