1 
2 DSApriv*	getdsakey(int argc, char **argv, int needprivate, Attr **pa);
3 RSApriv*	getkey(int argc, char **argv, int needprivate, Attr **pa);
4 uchar*		put4(uchar *p, uint n);
5 uchar*		putmp2(uchar *p, mpint *b);
6 uchar*		putn(uchar *p, void *v, uint n);
7 uchar*		putstr(uchar *p, char *s);
8