int DES(unsigned char *key,unsigned char *text,unsigned char *mtext);int _DES(unsigned char *key,unsigned char *text,unsigned char *mtext);int trDES(unsigned char *key,unsigned char *text,unsigned char *mtext);int _trDES(unsigned char *key,unsigned char *text,unsigned char *mtext);int encrypt0(unsigned char *text,unsigned char *mtext);int discrypt0(unsigned char *mtext,unsigned char *text);int expand0(unsigned char *in,char *out);int compress0(char *out,unsigned char *in);int compress0(char *out,unsigned char *in);int setkeystar(unsigned char *bits);int LS(char *bits,char *buffer,int count);int son(char *cc,char *dd,char *kk);int ip(unsigned char *text,char *ll,char *rr);int _ip(unsigned char *text,char *ll,char *rr);int F(int n,char *ll,char *rr,char *LL,char *RR);int s_box(char *aa,char *bb);