Ejemplos de FIPS_dsa_sign en C++ (Cpp)

Ejemplo n.º 1

Archivo: fips_dssvs.c Proyecto: Whitehawkx/external_openssl-fips_old

static void siggen(FILE *in, FILE *out)
    {
    char buf[1024];
    char lbuf[1024];
    char *keyword, *value;
    int dsa2, L, N;
    const EVP_MD *md = NULL;
    DSA *dsa=NULL;

    while(fgets(buf,sizeof buf,in) != NULL)
	{
	if (!parse_line(&keyword, &value, lbuf, buf))
		{
		fputs(buf,out);
		continue;
		}
	fputs(buf,out);
	if(!strcmp(keyword,"[mod"))
	    {
	    if (!parse_mod(value, &dsa2, &L, &N, &md))
		{
		fprintf(stderr, "Mod Parse Error\n");
		exit (1);
		}
	    if (dsa)
		FIPS_dsa_free(dsa);
	    dsa = FIPS_dsa_new();
	    if (!dsa2 && !dsa_builtin_paramgen(dsa, L, N, md, NULL, 0,
						NULL, NULL, NULL, NULL))
			{
			fprintf(stderr, "Parameter Generation error\n");
			exit(1);
			}
	    if (dsa2 && dsa_builtin_paramgen2(dsa, L, N, md, NULL, 0, -1,
						NULL, NULL, NULL, NULL) <= 0)
			{
			fprintf(stderr, "Parameter Generation error\n");
			exit(1);
			}
	    do_bn_print_name(out, "P",dsa->p);
	    do_bn_print_name(out, "Q",dsa->q);
	    do_bn_print_name(out, "G",dsa->g);
	    fputs(RESP_EOL, out);
	    }
	else if(!strcmp(keyword,"Msg"))
	    {
	    unsigned char msg[1024];
	    int n;
	    DSA_SIG *sig;

	    n=hex2bin(value,msg);

	    if (!DSA_generate_key(dsa))
		exit(1);
	    do_bn_print_name(out, "Y",dsa->pub_key);

	    sig = FIPS_dsa_sign(dsa, msg, n, md);

	    do_bn_print_name(out, "R",sig->r);
	    do_bn_print_name(out, "S",sig->s);
	    fputs(RESP_EOL, out);
	    FIPS_dsa_sig_free(sig);
	    }
	}
    if (dsa)
	FIPS_dsa_free(dsa);
    }

Ejemplo n.º 2

Archivo: fips_dsatest.c Proyecto: 0culus/openssl

int main(int argc, char **argv)
	{
	DSA *dsa=NULL;
	DSA_SIG *sig = NULL;
	int counter,ret=0,i,j;
	unsigned char buf[256];
	unsigned long h;
	BN_GENCB cb;
	BN_GENCB_set(&cb, dsa_cb, stderr);

    	fips_algtest_init();

	fprintf(stderr,"test generation of DSA parameters\n");

	dsa = FIPS_dsa_new();
	DSA_generate_parameters_ex(dsa, 1024,seed,20,&counter,&h,&cb);

	fprintf(stderr,"seed\n");
	for (i=0; i<20; i+=4)
		{
		fprintf(stderr,"%02X%02X%02X%02X ",
			seed[i],seed[i+1],seed[i+2],seed[i+3]);
		}
	fprintf(stderr,"\ncounter=%d h=%ld\n",counter,h);

	if (dsa == NULL) goto end;
	if (counter != 16) 
		{
		fprintf(stderr,"counter should be 105\n");
		goto end;
		}
	if (h != 2)
		{
		fprintf(stderr,"h should be 2\n");
		goto end;
		}

	i=BN_bn2bin(dsa->q,buf);
	j=sizeof(out_q);
	if ((i != j) || (memcmp(buf,out_q,i) != 0))
		{
		fprintf(stderr,"q value is wrong\n");
		goto end;
		}

	i=BN_bn2bin(dsa->p,buf);
	j=sizeof(out_p);
	if ((i != j) || (memcmp(buf,out_p,i) != 0))
		{
		fprintf(stderr,"p value is wrong\n");
		goto end;
		}

	i=BN_bn2bin(dsa->g,buf);
	j=sizeof(out_g);
	if ((i != j) || (memcmp(buf,out_g,i) != 0))
		{
		fprintf(stderr,"g value is wrong\n");
		goto end;
		}
	DSA_generate_key(dsa);

	sig = FIPS_dsa_sign(dsa, str1, 20, EVP_sha1());
	if (!sig)
		goto end;

	if (FIPS_dsa_verify(dsa, str1, 20, EVP_sha1(), sig) != 1)
		goto end;

	ret = 1;

end:
	if (sig)
		FIPS_dsa_sig_free(sig);
	if (dsa != NULL) FIPS_dsa_free(dsa);
#if 0
	CRYPTO_mem_leaks(bio_err);
#endif
	EXIT(!ret);
	return(!ret);
	}