-int MAIN(argc, argv)
-int argc;
-char **argv;
- {
- char buffer[200];
- DSA *dsa=NULL;
- int ret=1,num=DEFBITS;
- char *outfile=NULL;
- char *inrand=NULL,*randfile,*dsaparams=NULL;
- BIO *out=NULL,*in=NULL;
-
- apps_startup();
-
- if (bio_err == NULL)
- if ((bio_err=BIO_new(BIO_s_file())) != NULL)
- BIO_set_fp(bio_err,stderr,BIO_NOCLOSE);
-
- argv++;
- argc--;
- for (;;)
- {
- if (argc <= 0) break;
- if (strcmp(*argv,"-out") == 0)
- {
- if (--argc < 1) goto bad;
- outfile= *(++argv);
- }
- else if (strcmp(*argv,"-rand") == 0)
- {
- if (--argc < 1) goto bad;
- inrand= *(++argv);
- }
- else if (strcmp(*argv,"-") == 0)
- goto bad;
- else if (dsaparams == NULL)
- {
- dsaparams= *argv;
- }
- else
- goto bad;
- argv++;
- argc--;
- }
-
- if (dsaparams == NULL)
- {
-bad:
- BIO_printf(bio_err,"usage: gendsa [args] [numbits]\n");
- BIO_printf(bio_err," -out file - output the key to 'file\n");
- BIO_printf(bio_err," -rand file:file:...\n");
- BIO_printf(bio_err," - load the file (or the files in the directory) into\n");
- BIO_printf(bio_err," the random number generator\n");
- goto end;
- }
-
- in=BIO_new(BIO_s_file());
- if (!(BIO_read_filename(in,"r")))
- {
- perror(dsaparams);
- goto end;
- }
-
- if ((dsa=PEM_read_bio_DSAparams(in,NULL,NULL)) == NULL)
- {
- BIO_printf(bio_err,"unable to load DSA parameter file\n");
- goto end;
- }
- BIO_free(in);
-
- out=BIO_new(BIO_s_file());
- if (out == NULL) goto end;
-
- if (outfile == NULL)
- BIO_set_fp(out,stdout,BIO_NOCLOSE);
- else
- {
- if (BIO_write_filename(out,outfile) <= 0)
- {
- perror(outfile);
- goto end;
- }
- }
-
- randfile=RAND_file_name(buffer,200);
- if ((randfile == NULL)|| !RAND_load_file(randfile,1024L*1024L))
- BIO_printf(bio_err,"unable to load 'random state'\n");
-
- if (inrand == NULL)
- BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
- else
- {
- BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
- dsa_load_rand(inrand));
- }
-
- BIO_printf(bio_err,"Generating DSA parameters, %d bit long prime\n",num);
- BIO_printf(bio_err,"This could take some time\n");
- if (!DSA_generate_key(dsa)) goto end;
-
- if (randfile == NULL)
- BIO_printf(bio_err,"unable to write 'random state'\n");
- else
- RAND_write_file(randfile);
-
- if (!PEM_write_bio_DSAPrivateKey(out,dsa,EVP_des_ede3_cbc(),NULL,0,NULL))
- goto end;
- ret=0;
-end:
- if (ret != 0)
- ERR_print_errors(bio_err);
- if (out != NULL) BIO_free(out);
- if (dsa != NULL) DSA_free(dsa);
- EXIT(ret);
- }
-
-static long dsa_load_rand(name)
-char *name;
- {
- char *p,*n;
- int last;
- long tot=0;
-
- for (;;)
- {
- last=0;
- for (p=name; ((*p != '\0') && (*p != LIST_SEPARATOR_CHAR)); p++);
- if (*p == '\0') last=1;
- *p='\0';
- n=name;
- name=p+1;
- if (*n == '\0') break;
-
- tot+=RAND_load_file(n,1);
- if (last) break;
- }
- return(tot);
- }
+ argv++;
+ argc--;
+ for (;;) {
+ if (argc <= 0)
+ break;
+ if (strcmp(*argv, "-out") == 0) {
+ if (--argc < 1)
+ goto bad;
+ outfile = *(++argv);
+ } else if (strcmp(*argv, "-passout") == 0) {
+ if (--argc < 1)
+ goto bad;
+ passargout = *(++argv);
+ }
+# ifndef OPENSSL_NO_ENGINE
+ else if (strcmp(*argv, "-engine") == 0) {
+ if (--argc < 1)
+ goto bad;
+ engine = *(++argv);
+ }
+# endif
+ else if (strcmp(*argv, "-rand") == 0) {
+ if (--argc < 1)
+ goto bad;
+ inrand = *(++argv);
+ } else if (strcmp(*argv, "-") == 0)
+ goto bad;
+# ifndef OPENSSL_NO_DES
+ else if (strcmp(*argv, "-des") == 0)
+ enc = EVP_des_cbc();
+ else if (strcmp(*argv, "-des3") == 0)
+ enc = EVP_des_ede3_cbc();
+# endif
+# ifndef OPENSSL_NO_IDEA
+ else if (strcmp(*argv, "-idea") == 0)
+ enc = EVP_idea_cbc();
+# endif
+# ifndef OPENSSL_NO_SEED
+ else if (strcmp(*argv, "-seed") == 0)
+ enc = EVP_seed_cbc();
+# endif
+# ifndef OPENSSL_NO_AES
+ else if (strcmp(*argv, "-aes128") == 0)
+ enc = EVP_aes_128_cbc();
+ else if (strcmp(*argv, "-aes192") == 0)
+ enc = EVP_aes_192_cbc();
+ else if (strcmp(*argv, "-aes256") == 0)
+ enc = EVP_aes_256_cbc();
+# endif
+# ifndef OPENSSL_NO_CAMELLIA
+ else if (strcmp(*argv, "-camellia128") == 0)
+ enc = EVP_camellia_128_cbc();
+ else if (strcmp(*argv, "-camellia192") == 0)
+ enc = EVP_camellia_192_cbc();
+ else if (strcmp(*argv, "-camellia256") == 0)
+ enc = EVP_camellia_256_cbc();
+# endif
+ else if (**argv != '-' && dsaparams == NULL) {
+ dsaparams = *argv;
+ } else
+ goto bad;
+ argv++;
+ argc--;
+ }