You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
287 lines
9.7 KiB
287 lines
9.7 KiB
/* apps/gendsa.c */ |
|
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
|
* All rights reserved. |
|
* |
|
* This package is an SSL implementation written |
|
* by Eric Young (eay@cryptsoft.com). |
|
* The implementation was written so as to conform with Netscapes SSL. |
|
* |
|
* This library is free for commercial and non-commercial use as long as |
|
* the following conditions are aheared to. The following conditions |
|
* apply to all code found in this distribution, be it the RC4, RSA, |
|
* lhash, DES, etc., code; not just the SSL code. The SSL documentation |
|
* included with this distribution is covered by the same copyright terms |
|
* except that the holder is Tim Hudson (tjh@cryptsoft.com). |
|
* |
|
* Copyright remains Eric Young's, and as such any Copyright notices in |
|
* the code are not to be removed. |
|
* If this package is used in a product, Eric Young should be given attribution |
|
* as the author of the parts of the library used. |
|
* This can be in the form of a textual message at program startup or |
|
* in documentation (online or textual) provided with the package. |
|
* |
|
* Redistribution and use in source and binary forms, with or without |
|
* modification, are permitted provided that the following conditions |
|
* are met: |
|
* 1. Redistributions of source code must retain the copyright |
|
* notice, this list of conditions and the following disclaimer. |
|
* 2. Redistributions in binary form must reproduce the above copyright |
|
* notice, this list of conditions and the following disclaimer in the |
|
* documentation and/or other materials provided with the distribution. |
|
* 3. All advertising materials mentioning features or use of this software |
|
* must display the following acknowledgement: |
|
* "This product includes cryptographic software written by |
|
* Eric Young (eay@cryptsoft.com)" |
|
* The word 'cryptographic' can be left out if the rouines from the library |
|
* being used are not cryptographic related :-). |
|
* 4. If you include any Windows specific code (or a derivative thereof) from |
|
* the apps directory (application code) you must include an acknowledgement: |
|
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
|
* |
|
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
|
* SUCH DAMAGE. |
|
* |
|
* The licence and distribution terms for any publically available version or |
|
* derivative of this code cannot be changed. i.e. this code cannot simply be |
|
* copied and put under another distribution licence |
|
* [including the GNU Public Licence.] |
|
*/ |
|
|
|
#include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */ |
|
#ifndef OPENSSL_NO_DSA |
|
# include <stdio.h> |
|
# include <string.h> |
|
# include <sys/types.h> |
|
# include <sys/stat.h> |
|
# include "apps.h" |
|
# include <openssl/bio.h> |
|
# include <openssl/err.h> |
|
# include <openssl/bn.h> |
|
# include <openssl/dsa.h> |
|
# include <openssl/x509.h> |
|
# include <openssl/pem.h> |
|
|
|
# define DEFBITS 512 |
|
# undef PROG |
|
# define PROG gendsa_main |
|
|
|
int MAIN(int, char **); |
|
|
|
int 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; |
|
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) |
|
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--; |
|
} |
|
|
|
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 (!app_passwd(bio_err, NULL, passargout, 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); |
|
goto end; |
|
} |
|
|
|
if ((dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL)) == NULL) { |
|
BIO_printf(bio_err, "unable to load DSA parameter file\n"); |
|
goto end; |
|
} |
|
BIO_free(in); |
|
in = NULL; |
|
|
|
out = BIO_new(BIO_s_file()); |
|
if (out == NULL) |
|
goto end; |
|
|
|
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) { |
|
BIO_printf(bio_err, |
|
"warning, not much extra random data, consider using the -rand option\n"); |
|
} |
|
if (inrand != NULL) |
|
BIO_printf(bio_err, "%ld semi-random bytes loaded\n", |
|
app_RAND_load_files(inrand)); |
|
|
|
BIO_printf(bio_err, "Generating DSA key, %d bits\n", BN_num_bits(dsa->p)); |
|
if (!DSA_generate_key(dsa)) |
|
goto end; |
|
|
|
app_RAND_write_file(NULL, bio_err); |
|
|
|
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); |
|
} |
|
#else /* !OPENSSL_NO_DSA */ |
|
|
|
# if PEDANTIC |
|
static void *dummy = &dummy; |
|
# endif |
|
|
|
#endif
|
|
|