gendsa.c revision 205128
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 { 81111147Snectar#ifndef OPENSSL_NO_ENGINE 82109998Smarkm ENGINE *e = NULL; 83111147Snectar#endif 8455714Skris DSA *dsa=NULL; 8555714Skris int ret=1; 8655714Skris char *outfile=NULL; 8759191Skris char *inrand=NULL,*dsaparams=NULL; 8859191Skris char *passargout = NULL, *passout = NULL; 8955714Skris BIO *out=NULL,*in=NULL; 90109998Smarkm const EVP_CIPHER *enc=NULL; 91111147Snectar#ifndef OPENSSL_NO_ENGINE 92109998Smarkm char *engine=NULL; 93111147Snectar#endif 9455714Skris 9555714Skris apps_startup(); 9655714Skris 9755714Skris if (bio_err == NULL) 9855714Skris if ((bio_err=BIO_new(BIO_s_file())) != NULL) 9955714Skris BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); 10055714Skris 101109998Smarkm if (!load_config(bio_err, NULL)) 102109998Smarkm goto end; 103109998Smarkm 10455714Skris argv++; 10555714Skris argc--; 10655714Skris for (;;) 10755714Skris { 10855714Skris if (argc <= 0) break; 10955714Skris if (strcmp(*argv,"-out") == 0) 11055714Skris { 11155714Skris if (--argc < 1) goto bad; 11255714Skris outfile= *(++argv); 11355714Skris } 11459191Skris else if (strcmp(*argv,"-passout") == 0) 11559191Skris { 11659191Skris if (--argc < 1) goto bad; 11759191Skris passargout= *(++argv); 11859191Skris } 119111147Snectar#ifndef OPENSSL_NO_ENGINE 120109998Smarkm else if (strcmp(*argv,"-engine") == 0) 121109998Smarkm { 122109998Smarkm if (--argc < 1) goto bad; 123109998Smarkm engine= *(++argv); 124109998Smarkm } 125111147Snectar#endif 12655714Skris else if (strcmp(*argv,"-rand") == 0) 12755714Skris { 12855714Skris if (--argc < 1) goto bad; 12955714Skris inrand= *(++argv); 13055714Skris } 13155714Skris else if (strcmp(*argv,"-") == 0) 13255714Skris goto bad; 133109998Smarkm#ifndef OPENSSL_NO_DES 13455714Skris else if (strcmp(*argv,"-des") == 0) 13555714Skris enc=EVP_des_cbc(); 13655714Skris else if (strcmp(*argv,"-des3") == 0) 13755714Skris enc=EVP_des_ede3_cbc(); 13855714Skris#endif 139109998Smarkm#ifndef OPENSSL_NO_IDEA 14055714Skris else if (strcmp(*argv,"-idea") == 0) 14155714Skris enc=EVP_idea_cbc(); 14255714Skris#endif 143194206Ssimon#ifndef OPENSSL_NO_SEED 144194206Ssimon else if (strcmp(*argv,"-seed") == 0) 145194206Ssimon enc=EVP_seed_cbc(); 146194206Ssimon#endif 147109998Smarkm#ifndef OPENSSL_NO_AES 148109998Smarkm else if (strcmp(*argv,"-aes128") == 0) 149109998Smarkm enc=EVP_aes_128_cbc(); 150109998Smarkm else if (strcmp(*argv,"-aes192") == 0) 151109998Smarkm enc=EVP_aes_192_cbc(); 152109998Smarkm else if (strcmp(*argv,"-aes256") == 0) 153109998Smarkm enc=EVP_aes_256_cbc(); 154109998Smarkm#endif 155162911Ssimon#ifndef OPENSSL_NO_CAMELLIA 156162911Ssimon else if (strcmp(*argv,"-camellia128") == 0) 157162911Ssimon enc=EVP_camellia_128_cbc(); 158162911Ssimon else if (strcmp(*argv,"-camellia192") == 0) 159162911Ssimon enc=EVP_camellia_192_cbc(); 160162911Ssimon else if (strcmp(*argv,"-camellia256") == 0) 161162911Ssimon enc=EVP_camellia_256_cbc(); 162162911Ssimon#endif 16355714Skris else if (**argv != '-' && dsaparams == NULL) 16455714Skris { 16555714Skris dsaparams = *argv; 16655714Skris } 16755714Skris else 16855714Skris goto bad; 16955714Skris argv++; 17055714Skris argc--; 17155714Skris } 17255714Skris 17355714Skris if (dsaparams == NULL) 17455714Skris { 17555714Skrisbad: 17655714Skris BIO_printf(bio_err,"usage: gendsa [args] dsaparam-file\n"); 17755714Skris BIO_printf(bio_err," -out file - output the key to 'file'\n"); 178109998Smarkm#ifndef OPENSSL_NO_DES 17955714Skris BIO_printf(bio_err," -des - encrypt the generated key with DES in cbc mode\n"); 18055714Skris BIO_printf(bio_err," -des3 - encrypt the generated key with DES in ede cbc mode (168 bit key)\n"); 18155714Skris#endif 182109998Smarkm#ifndef OPENSSL_NO_IDEA 18355714Skris BIO_printf(bio_err," -idea - encrypt the generated key with IDEA in cbc mode\n"); 18455714Skris#endif 185194206Ssimon#ifndef OPENSSL_NO_SEED 186194206Ssimon BIO_printf(bio_err," -seed\n"); 187194206Ssimon BIO_printf(bio_err," encrypt PEM output with cbc seed\n"); 188194206Ssimon#endif 189109998Smarkm#ifndef OPENSSL_NO_AES 190109998Smarkm BIO_printf(bio_err," -aes128, -aes192, -aes256\n"); 191109998Smarkm BIO_printf(bio_err," encrypt PEM output with cbc aes\n"); 192109998Smarkm#endif 193162911Ssimon#ifndef OPENSSL_NO_CAMELLIA 194162911Ssimon BIO_printf(bio_err," -camellia128, -camellia192, -camellia256\n"); 195162911Ssimon BIO_printf(bio_err," encrypt PEM output with cbc camellia\n"); 196162911Ssimon#endif 197111147Snectar#ifndef OPENSSL_NO_ENGINE 198109998Smarkm BIO_printf(bio_err," -engine e - use engine e, possibly a hardware device.\n"); 199111147Snectar#endif 20059191Skris BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 20155714Skris BIO_printf(bio_err," - load the file (or the files in the directory) into\n"); 20255714Skris BIO_printf(bio_err," the random number generator\n"); 20355714Skris BIO_printf(bio_err," dsaparam-file\n"); 20455714Skris BIO_printf(bio_err," - a DSA parameter file as generated by the dsaparam command\n"); 20555714Skris goto end; 20655714Skris } 20755714Skris 208111147Snectar#ifndef OPENSSL_NO_ENGINE 209109998Smarkm e = setup_engine(bio_err, engine, 0); 210111147Snectar#endif 211109998Smarkm 21259191Skris if(!app_passwd(bio_err, NULL, passargout, NULL, &passout)) { 21359191Skris BIO_printf(bio_err, "Error getting password\n"); 21459191Skris goto end; 21559191Skris } 21659191Skris 21759191Skris 21855714Skris in=BIO_new(BIO_s_file()); 21955714Skris if (!(BIO_read_filename(in,dsaparams))) 22055714Skris { 22155714Skris perror(dsaparams); 22255714Skris goto end; 22355714Skris } 22455714Skris 22555714Skris if ((dsa=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL) 22655714Skris { 22755714Skris BIO_printf(bio_err,"unable to load DSA parameter file\n"); 22855714Skris goto end; 22955714Skris } 23055714Skris BIO_free(in); 23159191Skris in = NULL; 23255714Skris 23355714Skris out=BIO_new(BIO_s_file()); 23455714Skris if (out == NULL) goto end; 23555714Skris 23655714Skris if (outfile == NULL) 23768651Skris { 23855714Skris BIO_set_fp(out,stdout,BIO_NOCLOSE); 239109998Smarkm#ifdef OPENSSL_SYS_VMS 24068651Skris { 24168651Skris BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 24268651Skris out = BIO_push(tmpbio, out); 24368651Skris } 24468651Skris#endif 24568651Skris } 24655714Skris else 24755714Skris { 24855714Skris if (BIO_write_filename(out,outfile) <= 0) 24955714Skris { 25055714Skris perror(outfile); 25155714Skris goto end; 25255714Skris } 25355714Skris } 25455714Skris 25559191Skris if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL) 25659191Skris { 25755714Skris BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 25859191Skris } 25959191Skris if (inrand != NULL) 26055714Skris BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 26159191Skris app_RAND_load_files(inrand)); 26255714Skris 26355714Skris BIO_printf(bio_err,"Generating DSA key, %d bits\n", 26455714Skris BN_num_bits(dsa->p)); 26555714Skris if (!DSA_generate_key(dsa)) goto end; 26655714Skris 26759191Skris app_RAND_write_file(NULL, bio_err); 26855714Skris 26959191Skris if (!PEM_write_bio_DSAPrivateKey(out,dsa,enc,NULL,0,NULL, passout)) 27055714Skris goto end; 27155714Skris ret=0; 27255714Skrisend: 27355714Skris if (ret != 0) 27455714Skris ERR_print_errors(bio_err); 27559191Skris if (in != NULL) BIO_free(in); 27668651Skris if (out != NULL) BIO_free_all(out); 27755714Skris if (dsa != NULL) DSA_free(dsa); 27868651Skris if(passout) OPENSSL_free(passout); 279109998Smarkm apps_shutdown(); 280109998Smarkm OPENSSL_EXIT(ret); 28155714Skris } 282205128Ssimon#else /* !OPENSSL_NO_DSA */ 283205128Ssimon 284205128Ssimon# if PEDANTIC 285205128Ssimonstatic void *dummy=&dummy; 286205128Ssimon# endif 287205128Ssimon 28855714Skris#endif 289