#include "os.h"#include <mp.h>#include <libsec.h> DSApub*dsapuballoc(void){	DSApub *dsa; 	dsa = mallocz(sizeof(*dsa), 1);	if(dsa == nil)		sysfatal("dsapuballoc");	return dsa;} voiddsapubfree(DSApub *dsa){	if(dsa == nil)		return;	mpfree(dsa->p);	mpfree(dsa->q);	mpfree(dsa->alpha);	mpfree(dsa->key);	free(dsa);}  DSApriv*dsaprivalloc(void){	DSApriv *dsa; 	dsa = mallocz(sizeof(*dsa), 1);	if(dsa == nil)		sysfatal("dsaprivalloc");	return dsa;} voiddsaprivfree(DSApriv *dsa){	if(dsa == nil)		return;	mpfree(dsa->pub.p);	mpfree(dsa->pub.q);	mpfree(dsa->pub.alpha);	mpfree(dsa->pub.key);	mpfree(dsa->secret);	free(dsa);} DSAsig*dsasigalloc(void){	DSAsig *dsa; 	dsa = mallocz(sizeof(*dsa), 1);	if(dsa == nil)		sysfatal("dsasigalloc");	return dsa;} voiddsasigfree(DSAsig *dsa){	if(dsa == nil)		return;	mpfree(dsa->r);	mpfree(dsa->s);	free(dsa);}