-/* apps/gendsa.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
# include <openssl/pem.h>
# define DEFBITS 512
-# undef PROG
-# define PROG gendsa_main
-int MAIN(int, char **);
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_OUT, OPT_PASSOUT, OPT_ENGINE, OPT_RAND, OPT_CIPHER
+} OPTION_CHOICE;
+
+OPTIONS gendsa_options[] = {
+ {OPT_HELP_STR, 1, '-', "Usage: %s [args] dsaparam-file\n"},
+ {OPT_HELP_STR, 1, '-', "Valid options are:\n"},
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"out", OPT_OUT, '>', "Output the key to the specified file"},
+ {"passout", OPT_PASSOUT, 's'},
+ {"rand", OPT_RAND, 's',
+ "Load the file(s) into the random number generator"},
+ {"", OPT_CIPHER, '-', "Encrypt the output with any supported cipher"},
+# ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
+# endif
+ {NULL}
+};
-int MAIN(int argc, char **argv)
+int gendsa_main(int argc, char **argv)
{
- DSA *dsa = NULL;
- int ret = 1;
- char *outfile = NULL;
- char *inrand = NULL, *dsaparams = NULL;
- char *passargout = NULL, *passout = NULL;
BIO *out = NULL, *in = NULL;
+ DSA *dsa = NULL;
const EVP_CIPHER *enc = NULL;
-# ifndef OPENSSL_NO_ENGINE
- char *engine = NULL;
-# endif
-
- apps_startup();
-
- if (bio_err == NULL)
- if ((bio_err = BIO_new(BIO_s_file())) != NULL)
- BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
-
- if (!load_config(bio_err, NULL))
- goto end;
-
- argv++;
- argc--;
- for (;;) {
- if (argc <= 0)
+ char *inrand = NULL, *dsaparams = NULL;
+ char *outfile = NULL, *passoutarg = NULL, *passout = NULL, *prog;
+ OPTION_CHOICE o;
+ int ret = 1, private = 0;
+
+ prog = opt_init(argc, argv, gendsa_options);
+ while ((o = opt_next()) != OPT_EOF) {
+ switch (o) {
+ case OPT_EOF:
+ case OPT_ERR:
+ opthelp:
+ BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
+ goto end;
+ case OPT_HELP:
+ ret = 0;
+ opt_help(gendsa_options);
+ goto end;
+ case OPT_OUT:
+ outfile = opt_arg();
+ break;
+ case OPT_PASSOUT:
+ passoutarg = opt_arg();
+ break;
+ case OPT_ENGINE:
+ (void)setup_engine(opt_arg(), 0);
+ break;
+ case OPT_RAND:
+ inrand = opt_arg();
+ break;
+ case OPT_CIPHER:
+ if (!opt_cipher(opt_unknown(), &enc))
+ goto end;
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--;
}
+ argc = opt_num_rest();
+ argv = opt_rest();
+ private = 1;
- if (dsaparams == NULL) {
- bad:
- BIO_printf(bio_err, "usage: gendsa [args] dsaparam-file\n");
- BIO_printf(bio_err, " -out file - output the key to 'file'\n");
-# ifndef OPENSSL_NO_DES
- BIO_printf(bio_err,
- " -des - encrypt the generated key with DES in cbc mode\n");
- BIO_printf(bio_err,
- " -des3 - encrypt the generated key with DES in ede cbc mode (168 bit key)\n");
-# endif
-# ifndef OPENSSL_NO_IDEA
- BIO_printf(bio_err,
- " -idea - encrypt the generated key with IDEA in cbc mode\n");
-# endif
-# ifndef OPENSSL_NO_SEED
- BIO_printf(bio_err, " -seed\n");
- BIO_printf(bio_err,
- " encrypt PEM output with cbc seed\n");
-# endif
-# ifndef OPENSSL_NO_AES
- BIO_printf(bio_err, " -aes128, -aes192, -aes256\n");
- BIO_printf(bio_err,
- " encrypt PEM output with cbc aes\n");
-# endif
-# ifndef OPENSSL_NO_CAMELLIA
- BIO_printf(bio_err, " -camellia128, -camellia192, -camellia256\n");
- BIO_printf(bio_err,
- " encrypt PEM output with cbc camellia\n");
-# endif
-# ifndef OPENSSL_NO_ENGINE
- BIO_printf(bio_err,
- " -engine e - use engine e, possibly a hardware device.\n");
-# endif
- BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR,
- LIST_SEPARATOR_CHAR);
- BIO_printf(bio_err,
- " - load the file (or the files in the directory) into\n");
- BIO_printf(bio_err, " the random number generator\n");
- BIO_printf(bio_err, " dsaparam-file\n");
- BIO_printf(bio_err,
- " - a DSA parameter file as generated by the dsaparam command\n");
- goto end;
- }
-# ifndef OPENSSL_NO_ENGINE
- setup_engine(bio_err, engine, 0);
-# endif
+ if (argc != 1)
+ goto opthelp;
+ dsaparams = *argv;
- if (!app_passwd(bio_err, NULL, passargout, NULL, &passout)) {
+ if (!app_passwd(NULL, passoutarg, NULL, &passout)) {
BIO_printf(bio_err, "Error getting password\n");
goto end;
}
- in = BIO_new(BIO_s_file());
- if (!(BIO_read_filename(in, dsaparams))) {
- perror(dsaparams);
+ if (!app_load_modules(NULL))
goto end;
- }
+
+ in = bio_open_default(dsaparams, 'r', FORMAT_PEM);
+ if (in == NULL)
+ goto end2;
if ((dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL)) == NULL) {
BIO_printf(bio_err, "unable to load DSA parameter file\n");
BIO_free(in);
in = NULL;
- out = BIO_new(BIO_s_file());
+ out = bio_open_owner(outfile, FORMAT_PEM, private);
if (out == NULL)
- goto end;
+ goto end2;
- if (outfile == NULL) {
- BIO_set_fp(out, stdout, BIO_NOCLOSE);
-# ifdef OPENSSL_SYS_VMS
- {
- BIO *tmpbio = BIO_new(BIO_f_linebuffer());
- out = BIO_push(tmpbio, out);
- }
-# endif
- } else {
- if (BIO_write_filename(out, outfile) <= 0) {
- perror(outfile);
- goto end;
- }
- }
-
- if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL) {
+ if (!app_RAND_load_file(NULL, 1) && inrand == NULL) {
BIO_printf(bio_err,
"warning, not much extra random data, consider using the -rand option\n");
}
if (!DSA_generate_key(dsa))
goto end;
- app_RAND_write_file(NULL, bio_err);
+ app_RAND_write_file(NULL);
+ assert(private);
if (!PEM_write_bio_DSAPrivateKey(out, dsa, enc, NULL, 0, NULL, passout))
goto end;
ret = 0;
end:
if (ret != 0)
ERR_print_errors(bio_err);
- if (in != NULL)
- BIO_free(in);
- if (out != NULL)
- BIO_free_all(out);
- if (dsa != NULL)
- DSA_free(dsa);
- if (passout)
- OPENSSL_free(passout);
- apps_shutdown();
- OPENSSL_EXIT(ret);
+ end2:
+ BIO_free(in);
+ BIO_free_all(out);
+ DSA_free(dsa);
+ OPENSSL_free(passout);
+ return (ret);
}
#else /* !OPENSSL_NO_DSA */
projects / openssl.git / blobdiff