155714Skris/* apps/gendsa.c */ 255714Skris/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 355714Skris * All rights reserved. 455714Skris * 555714Skris * This package is an SSL implementation written 655714Skris * by Eric Young (eay@cryptsoft.com). 755714Skris * The implementation was written so as to conform with Netscapes SSL. 855714Skris * 955714Skris * This library is free for commercial and non-commercial use as long as 1055714Skris * the following conditions are aheared to. The following conditions 1155714Skris * apply to all code found in this distribution, be it the RC4, RSA, 1255714Skris * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1355714Skris * included with this distribution is covered by the same copyright terms 1455714Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com). 1555714Skris * 1655714Skris * Copyright remains Eric Young's, and as such any Copyright notices in 1755714Skris * the code are not to be removed. 1855714Skris * If this package is used in a product, Eric Young should be given attribution 1955714Skris * as the author of the parts of the library used. 2055714Skris * This can be in the form of a textual message at program startup or 2155714Skris * in documentation (online or textual) provided with the package. 2255714Skris * 2355714Skris * Redistribution and use in source and binary forms, with or without 2455714Skris * modification, are permitted provided that the following conditions 2555714Skris * are met: 2655714Skris * 1. Redistributions of source code must retain the copyright 2755714Skris * notice, this list of conditions and the following disclaimer. 2855714Skris * 2. Redistributions in binary form must reproduce the above copyright 2955714Skris * notice, this list of conditions and the following disclaimer in the 3055714Skris * documentation and/or other materials provided with the distribution. 3155714Skris * 3. All advertising materials mentioning features or use of this software 3255714Skris * must display the following acknowledgement: 3355714Skris * "This product includes cryptographic software written by 3455714Skris * Eric Young (eay@cryptsoft.com)" 3555714Skris * The word 'cryptographic' can be left out if the rouines from the library 3655714Skris * being used are not cryptographic related :-). 3755714Skris * 4. If you include any Windows specific code (or a derivative thereof) from 3855714Skris * the apps directory (application code) you must include an acknowledgement: 3955714Skris * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 4055714Skris * 4155714Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4255714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4355714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4455714Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4555714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4655714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4755714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4855714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4955714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5055714Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5155714Skris * SUCH DAMAGE. 5255714Skris * 5355714Skris * The licence and distribution terms for any publically available version or 5455714Skris * derivative of this code cannot be changed. i.e. this code cannot simply be 5555714Skris * copied and put under another distribution licence 5655714Skris * [including the GNU Public Licence.] 5755714Skris */ 5855714Skris 59160814Ssimon#include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */ 60109998Smarkm#ifndef OPENSSL_NO_DSA 6155714Skris#include <stdio.h> 6255714Skris#include <string.h> 6355714Skris#include <sys/types.h> 6455714Skris#include <sys/stat.h> 6555714Skris#include "apps.h" 6655714Skris#include <openssl/bio.h> 6755714Skris#include <openssl/err.h> 6855714Skris#include <openssl/bn.h> 6955714Skris#include <openssl/dsa.h> 7055714Skris#include <openssl/x509.h> 7155714Skris#include <openssl/pem.h> 7255714Skris 7355714Skris#define DEFBITS 512 7455714Skris#undef PROG 7555714Skris#define PROG gendsa_main 7655714Skris 7759191Skrisint MAIN(int, char **); 7859191Skris 7955714Skrisint MAIN(int argc, char **argv) 8055714Skris { 8155714Skris DSA *dsa=NULL; 8255714Skris int ret=1; 8355714Skris char *outfile=NULL; 8459191Skris char *inrand=NULL,*dsaparams=NULL; 8559191Skris char *passargout = NULL, *passout = NULL; 8655714Skris BIO *out=NULL,*in=NULL; 87109998Smarkm const EVP_CIPHER *enc=NULL; 88111147Snectar#ifndef OPENSSL_NO_ENGINE 89109998Smarkm char *engine=NULL; 90111147Snectar#endif 9155714Skris 9255714Skris apps_startup(); 9355714Skris 9455714Skris if (bio_err == NULL) 9555714Skris if ((bio_err=BIO_new(BIO_s_file())) != NULL) 9655714Skris BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); 9755714Skris 98109998Smarkm if (!load_config(bio_err, NULL)) 99109998Smarkm goto end; 100109998Smarkm 10155714Skris argv++; 10255714Skris argc--; 10355714Skris for (;;) 10455714Skris { 10555714Skris if (argc <= 0) break; 10655714Skris if (strcmp(*argv,"-out") == 0) 10755714Skris { 10855714Skris if (--argc < 1) goto bad; 10955714Skris outfile= *(++argv); 11055714Skris } 11159191Skris else if (strcmp(*argv,"-passout") == 0) 11259191Skris { 11359191Skris if (--argc < 1) goto bad; 11459191Skris passargout= *(++argv); 11559191Skris } 116111147Snectar#ifndef OPENSSL_NO_ENGINE 117109998Smarkm else if (strcmp(*argv,"-engine") == 0) 118109998Smarkm { 119109998Smarkm if (--argc < 1) goto bad; 120109998Smarkm engine= *(++argv); 121109998Smarkm } 122111147Snectar#endif 12355714Skris else if (strcmp(*argv,"-rand") == 0) 12455714Skris { 12555714Skris if (--argc < 1) goto bad; 12655714Skris inrand= *(++argv); 12755714Skris } 12855714Skris else if (strcmp(*argv,"-") == 0) 12955714Skris goto bad; 130109998Smarkm#ifndef OPENSSL_NO_DES 13155714Skris else if (strcmp(*argv,"-des") == 0) 13255714Skris enc=EVP_des_cbc(); 13355714Skris else if (strcmp(*argv,"-des3") == 0) 13455714Skris enc=EVP_des_ede3_cbc(); 13555714Skris#endif 136109998Smarkm#ifndef OPENSSL_NO_IDEA 13755714Skris else if (strcmp(*argv,"-idea") == 0) 13855714Skris enc=EVP_idea_cbc(); 13955714Skris#endif 140194206Ssimon#ifndef OPENSSL_NO_SEED 141194206Ssimon else if (strcmp(*argv,"-seed") == 0) 142194206Ssimon enc=EVP_seed_cbc(); 143194206Ssimon#endif 144109998Smarkm#ifndef OPENSSL_NO_AES 145109998Smarkm else if (strcmp(*argv,"-aes128") == 0) 146109998Smarkm enc=EVP_aes_128_cbc(); 147109998Smarkm else if (strcmp(*argv,"-aes192") == 0) 148109998Smarkm enc=EVP_aes_192_cbc(); 149109998Smarkm else if (strcmp(*argv,"-aes256") == 0) 150109998Smarkm enc=EVP_aes_256_cbc(); 151109998Smarkm#endif 152162911Ssimon#ifndef OPENSSL_NO_CAMELLIA 153162911Ssimon else if (strcmp(*argv,"-camellia128") == 0) 154162911Ssimon enc=EVP_camellia_128_cbc(); 155162911Ssimon else if (strcmp(*argv,"-camellia192") == 0) 156162911Ssimon enc=EVP_camellia_192_cbc(); 157162911Ssimon else if (strcmp(*argv,"-camellia256") == 0) 158162911Ssimon enc=EVP_camellia_256_cbc(); 159162911Ssimon#endif 16055714Skris else if (**argv != '-' && dsaparams == NULL) 16155714Skris { 16255714Skris dsaparams = *argv; 16355714Skris } 16455714Skris else 16555714Skris goto bad; 16655714Skris argv++; 16755714Skris argc--; 16855714Skris } 16955714Skris 17055714Skris if (dsaparams == NULL) 17155714Skris { 17255714Skrisbad: 17355714Skris BIO_printf(bio_err,"usage: gendsa [args] dsaparam-file\n"); 17455714Skris BIO_printf(bio_err," -out file - output the key to 'file'\n"); 175109998Smarkm#ifndef OPENSSL_NO_DES 17655714Skris BIO_printf(bio_err," -des - encrypt the generated key with DES in cbc mode\n"); 17755714Skris BIO_printf(bio_err," -des3 - encrypt the generated key with DES in ede cbc mode (168 bit key)\n"); 17855714Skris#endif 179109998Smarkm#ifndef OPENSSL_NO_IDEA 18055714Skris BIO_printf(bio_err," -idea - encrypt the generated key with IDEA in cbc mode\n"); 18155714Skris#endif 182194206Ssimon#ifndef OPENSSL_NO_SEED 183194206Ssimon BIO_printf(bio_err," -seed\n"); 184194206Ssimon BIO_printf(bio_err," encrypt PEM output with cbc seed\n"); 185194206Ssimon#endif 186109998Smarkm#ifndef OPENSSL_NO_AES 187109998Smarkm BIO_printf(bio_err," -aes128, -aes192, -aes256\n"); 188109998Smarkm BIO_printf(bio_err," encrypt PEM output with cbc aes\n"); 189109998Smarkm#endif 190162911Ssimon#ifndef OPENSSL_NO_CAMELLIA 191162911Ssimon BIO_printf(bio_err," -camellia128, -camellia192, -camellia256\n"); 192162911Ssimon BIO_printf(bio_err," encrypt PEM output with cbc camellia\n"); 193162911Ssimon#endif 194111147Snectar#ifndef OPENSSL_NO_ENGINE 195109998Smarkm BIO_printf(bio_err," -engine e - use engine e, possibly a hardware device.\n"); 196111147Snectar#endif 19759191Skris BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 19855714Skris BIO_printf(bio_err," - load the file (or the files in the directory) into\n"); 19955714Skris BIO_printf(bio_err," the random number generator\n"); 20055714Skris BIO_printf(bio_err," dsaparam-file\n"); 20155714Skris BIO_printf(bio_err," - a DSA parameter file as generated by the dsaparam command\n"); 20255714Skris goto end; 20355714Skris } 20455714Skris 205111147Snectar#ifndef OPENSSL_NO_ENGINE 206215697Ssimon setup_engine(bio_err, engine, 0); 207111147Snectar#endif 208109998Smarkm 20959191Skris if(!app_passwd(bio_err, NULL, passargout, NULL, &passout)) { 21059191Skris BIO_printf(bio_err, "Error getting password\n"); 21159191Skris goto end; 21259191Skris } 21359191Skris 21459191Skris 21555714Skris in=BIO_new(BIO_s_file()); 21655714Skris if (!(BIO_read_filename(in,dsaparams))) 21755714Skris { 21855714Skris perror(dsaparams); 21955714Skris goto end; 22055714Skris } 22155714Skris 22255714Skris if ((dsa=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL) 22355714Skris { 22455714Skris BIO_printf(bio_err,"unable to load DSA parameter file\n"); 22555714Skris goto end; 22655714Skris } 22755714Skris BIO_free(in); 22859191Skris in = NULL; 22955714Skris 23055714Skris out=BIO_new(BIO_s_file()); 23155714Skris if (out == NULL) goto end; 23255714Skris 23355714Skris if (outfile == NULL) 23468651Skris { 23555714Skris BIO_set_fp(out,stdout,BIO_NOCLOSE); 236109998Smarkm#ifdef OPENSSL_SYS_VMS 23768651Skris { 23868651Skris BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 23968651Skris out = BIO_push(tmpbio, out); 24068651Skris } 24168651Skris#endif 24268651Skris } 24355714Skris else 24455714Skris { 24555714Skris if (BIO_write_filename(out,outfile) <= 0) 24655714Skris { 24755714Skris perror(outfile); 24855714Skris goto end; 24955714Skris } 25055714Skris } 25155714Skris 25259191Skris if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL) 25359191Skris { 25455714Skris BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 25559191Skris } 25659191Skris if (inrand != NULL) 25755714Skris BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 25859191Skris app_RAND_load_files(inrand)); 25955714Skris 26055714Skris BIO_printf(bio_err,"Generating DSA key, %d bits\n", 26155714Skris BN_num_bits(dsa->p)); 26255714Skris if (!DSA_generate_key(dsa)) goto end; 26355714Skris 26459191Skris app_RAND_write_file(NULL, bio_err); 26555714Skris 26659191Skris if (!PEM_write_bio_DSAPrivateKey(out,dsa,enc,NULL,0,NULL, passout)) 26755714Skris goto end; 26855714Skris ret=0; 26955714Skrisend: 27055714Skris if (ret != 0) 27155714Skris ERR_print_errors(bio_err); 27259191Skris if (in != NULL) BIO_free(in); 27368651Skris if (out != NULL) BIO_free_all(out); 27455714Skris if (dsa != NULL) DSA_free(dsa); 27568651Skris if(passout) OPENSSL_free(passout); 276109998Smarkm apps_shutdown(); 277109998Smarkm OPENSSL_EXIT(ret); 27855714Skris } 279205128Ssimon#else /* !OPENSSL_NO_DSA */ 280205128Ssimon 281205128Ssimon# if PEDANTIC 282205128Ssimonstatic void *dummy=&dummy; 283205128Ssimon# endif 284205128Ssimon 28555714Skris#endif 286