- if (need_rand)
- {
- app_RAND_load_file(NULL, bio_err, (inrand != NULL));
- if (inrand != NULL)
- BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
- app_RAND_load_files(inrand));
- }
-
- if (numbits > 0)
- {
- BN_GENCB cb;
- BN_GENCB_set(&cb, dsa_cb, bio_err);
- assert(need_rand);
- dsa = DSA_new();
- if(!dsa)
- {
- BIO_printf(bio_err,"Error allocating DSA object\n");
- goto end;
- }
- BIO_printf(bio_err,"Generating DSA parameters, %d bit long prime\n",num);
- BIO_printf(bio_err,"This could take some time\n");
-#ifdef GENCB_TEST
- if(timebomb > 0)
- {
- struct sigaction act;
- act.sa_handler = timebomb_sigalarm;
- act.sa_flags = 0;
- BIO_printf(bio_err,"(though I'll stop it if not done within %d secs)\n",
- timebomb);
- if(sigaction(SIGALRM, &act, NULL) != 0)
- {
- BIO_printf(bio_err,"Error, couldn't set SIGALRM handler\n");
- goto end;
- }
- alarm(timebomb);
- }
-#endif
- if(!DSA_generate_parameters_ex(dsa,num,NULL,0,NULL,NULL, &cb))
- {
-#ifdef GENCB_TEST
- if(stop_keygen_flag)
- {
- BIO_printf(bio_err,"DSA key generation time-stopped\n");
- /* This is an asked-for behaviour! */
- ret = 0;
- goto end;
- }
-#endif
- ERR_print_errors(bio_err);
- BIO_printf(bio_err,"Error, DSA key generation failed\n");
- goto end;
- }
- }
- else if (informat == FORMAT_ASN1)
- dsa=d2i_DSAparams_bio(in,NULL);
- else if (informat == FORMAT_PEM)
- dsa=PEM_read_bio_DSAparams(in,NULL,NULL,NULL);
- else
- {
- BIO_printf(bio_err,"bad input format specified\n");
- goto end;
- }
- if (dsa == NULL)
- {
- BIO_printf(bio_err,"unable to load DSA parameters\n");
- ERR_print_errors(bio_err);
- goto end;
- }
-
- if (text)
- {
- DSAparams_print(out,dsa);
- }
-
- if (C)
- {
- unsigned char *data;
- int l,len,bits_p;
-
- len=BN_num_bytes(dsa->p);
- bits_p=BN_num_bits(dsa->p);
- data=(unsigned char *)OPENSSL_malloc(len+20);
- if (data == NULL)
- {
- perror("OPENSSL_malloc");
- goto end;
- }
- l=BN_bn2bin(dsa->p,data);
- printf("static unsigned char dsa%d_p[]={",bits_p);
- for (i=0; i<l; i++)
- {
- if ((i%12) == 0) printf("\n\t");
- printf("0x%02X,",data[i]);
- }
- printf("\n\t};\n");
-
- l=BN_bn2bin(dsa->q,data);
- printf("static unsigned char dsa%d_q[]={",bits_p);
- for (i=0; i<l; i++)
- {
- if ((i%12) == 0) printf("\n\t");
- printf("0x%02X,",data[i]);
- }
- printf("\n\t};\n");
-
- l=BN_bn2bin(dsa->g,data);
- printf("static unsigned char dsa%d_g[]={",bits_p);
- for (i=0; i<l; i++)
- {
- if ((i%12) == 0) printf("\n\t");
- printf("0x%02X,",data[i]);
- }
- printf("\n\t};\n\n");
-
- printf("DSA *get_dsa%d()\n\t{\n",bits_p);
- printf("\tDSA *dsa;\n\n");
- printf("\tif ((dsa=DSA_new()) == NULL) return(NULL);\n");
- printf("\tdsa->p=BN_bin2bn(dsa%d_p,sizeof(dsa%d_p),NULL);\n",
- bits_p,bits_p);
- printf("\tdsa->q=BN_bin2bn(dsa%d_q,sizeof(dsa%d_q),NULL);\n",
- bits_p,bits_p);
- printf("\tdsa->g=BN_bin2bn(dsa%d_g,sizeof(dsa%d_g),NULL);\n",
- bits_p,bits_p);
- printf("\tif ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))\n");
- printf("\t\t{ DSA_free(dsa); return(NULL); }\n");
- printf("\treturn(dsa);\n\t}\n");
- }
-
-
- if (!noout)
- {
- if (outformat == FORMAT_ASN1)
- i=i2d_DSAparams_bio(out,dsa);
- else if (outformat == FORMAT_PEM)
- i=PEM_write_bio_DSAparams(out,dsa);
- else {
- BIO_printf(bio_err,"bad output format specified for outfile\n");
- goto end;
- }
- if (!i)
- {
- BIO_printf(bio_err,"unable to write DSA parameters\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- if (genkey)
- {
- DSA *dsakey;
-
- assert(need_rand);
- if ((dsakey=DSAparams_dup(dsa)) == NULL) goto end;
- if (!DSA_generate_key(dsakey))
- {
- ERR_print_errors(bio_err);
- DSA_free(dsakey);
- goto end;
- }
- if (outformat == FORMAT_ASN1)
- i=i2d_DSAPrivateKey_bio(out,dsakey);
- else if (outformat == FORMAT_PEM)
- i=PEM_write_bio_DSAPrivateKey(out,dsakey,NULL,NULL,0,NULL,NULL);
- else {
- BIO_printf(bio_err,"bad output format specified for outfile\n");
- DSA_free(dsakey);
- goto end;
- }
- DSA_free(dsakey);
- }
- if (need_rand)
- app_RAND_write_file(NULL, bio_err);
- ret=0;
-end:
- if (in != NULL) BIO_free(in);
- if (out != NULL) BIO_free_all(out);
- if (dsa != NULL) DSA_free(dsa);
- apps_shutdown();
- OPENSSL_EXIT(ret);
- }
+ if (need_rand) {
+ app_RAND_load_file(NULL, bio_err, (inrand != NULL));
+ if (inrand != NULL)
+ BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
+ app_RAND_load_files(inrand));
+ }
+
+ if (numbits > 0) {
+ BN_GENCB cb;
+ BN_GENCB_set(&cb, dsa_cb, bio_err);
+ assert(need_rand);
+ dsa = DSA_new();
+ if (!dsa) {
+ BIO_printf(bio_err, "Error allocating DSA object\n");
+ goto end;
+ }
+ BIO_printf(bio_err, "Generating DSA parameters, %d bit long prime\n",
+ num);
+ BIO_printf(bio_err, "This could take some time\n");
+# ifdef GENCB_TEST
+ if (timebomb > 0) {
+ struct sigaction act;
+ act.sa_handler = timebomb_sigalarm;
+ act.sa_flags = 0;
+ BIO_printf(bio_err,
+ "(though I'll stop it if not done within %d secs)\n",
+ timebomb);
+ if (sigaction(SIGALRM, &act, NULL) != 0) {
+ BIO_printf(bio_err, "Error, couldn't set SIGALRM handler\n");
+ goto end;
+ }
+ alarm(timebomb);
+ }
+# endif
+ if (!DSA_generate_parameters_ex(dsa, num, NULL, 0, NULL, NULL, &cb)) {
+# ifdef GENCB_TEST
+ if (stop_keygen_flag) {
+ BIO_printf(bio_err, "DSA key generation time-stopped\n");
+ /* This is an asked-for behaviour! */
+ ret = 0;
+ goto end;
+ }
+# endif
+ ERR_print_errors(bio_err);
+ BIO_printf(bio_err, "Error, DSA key generation failed\n");
+ goto end;
+ }
+ } else if (informat == FORMAT_ASN1)
+ dsa = d2i_DSAparams_bio(in, NULL);
+ else if (informat == FORMAT_PEM)
+ dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL);
+ else {
+ BIO_printf(bio_err, "bad input format specified\n");
+ goto end;
+ }
+ if (dsa == NULL) {
+ BIO_printf(bio_err, "unable to load DSA parameters\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+
+ if (text) {
+ DSAparams_print(out, dsa);
+ }
+
+ if (C) {
+ unsigned char *data;
+ int l, len, bits_p;
+
+ len = BN_num_bytes(dsa->p);
+ bits_p = BN_num_bits(dsa->p);
+ data = (unsigned char *)OPENSSL_malloc(len + 20);
+ if (data == NULL) {
+ perror("OPENSSL_malloc");
+ goto end;
+ }
+ l = BN_bn2bin(dsa->p, data);
+ printf("static unsigned char dsa%d_p[]={", bits_p);
+ for (i = 0; i < l; i++) {
+ if ((i % 12) == 0)
+ printf("\n\t");
+ printf("0x%02X,", data[i]);
+ }
+ printf("\n\t};\n");
+
+ l = BN_bn2bin(dsa->q, data);
+ printf("static unsigned char dsa%d_q[]={", bits_p);
+ for (i = 0; i < l; i++) {
+ if ((i % 12) == 0)
+ printf("\n\t");
+ printf("0x%02X,", data[i]);
+ }
+ printf("\n\t};\n");
+
+ l = BN_bn2bin(dsa->g, data);
+ printf("static unsigned char dsa%d_g[]={", bits_p);
+ for (i = 0; i < l; i++) {
+ if ((i % 12) == 0)
+ printf("\n\t");
+ printf("0x%02X,", data[i]);
+ }
+ printf("\n\t};\n\n");
+
+ printf("DSA *get_dsa%d()\n\t{\n", bits_p);
+ printf("\tDSA *dsa;\n\n");
+ printf("\tif ((dsa=DSA_new()) == NULL) return(NULL);\n");
+ printf("\tdsa->p=BN_bin2bn(dsa%d_p,sizeof(dsa%d_p),NULL);\n",
+ bits_p, bits_p);
+ printf("\tdsa->q=BN_bin2bn(dsa%d_q,sizeof(dsa%d_q),NULL);\n",
+ bits_p, bits_p);
+ printf("\tdsa->g=BN_bin2bn(dsa%d_g,sizeof(dsa%d_g),NULL);\n",
+ bits_p, bits_p);
+ printf
+ ("\tif ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))\n");
+ printf("\t\t{ DSA_free(dsa); return(NULL); }\n");
+ printf("\treturn(dsa);\n\t}\n");
+ }
+
+ if (!noout) {
+ if (outformat == FORMAT_ASN1)
+ i = i2d_DSAparams_bio(out, dsa);
+ else if (outformat == FORMAT_PEM)
+ i = PEM_write_bio_DSAparams(out, dsa);
+ else {
+ BIO_printf(bio_err, "bad output format specified for outfile\n");
+ goto end;
+ }
+ if (!i) {
+ BIO_printf(bio_err, "unable to write DSA parameters\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
+ }
+ if (genkey) {
+ DSA *dsakey;
+
+ assert(need_rand);
+ if ((dsakey = DSAparams_dup(dsa)) == NULL)
+ goto end;
+ if (!DSA_generate_key(dsakey)) {
+ ERR_print_errors(bio_err);
+ DSA_free(dsakey);
+ goto end;
+ }
+ if (outformat == FORMAT_ASN1)
+ i = i2d_DSAPrivateKey_bio(out, dsakey);
+ else if (outformat == FORMAT_PEM)
+ i = PEM_write_bio_DSAPrivateKey(out, dsakey, NULL, NULL, 0, NULL,
+ NULL);
+ else {
+ BIO_printf(bio_err, "bad output format specified for outfile\n");
+ DSA_free(dsakey);
+ goto end;
+ }
+ DSA_free(dsakey);
+ }
+ if (need_rand)
+ app_RAND_write_file(NULL, bio_err);
+ ret = 0;
+ end:
+ if (in != NULL)
+ BIO_free(in);
+ if (out != NULL)
+ BIO_free_all(out);
+ if (dsa != NULL)
+ DSA_free(dsa);
+ apps_shutdown();
+ OPENSSL_EXIT(ret);
+}