1 /* apps/gendsa.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59 /* 60 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 61 * Use is subject to license terms. 62 */ 63 64 #pragma ident "%Z%%M% %I% %E% SMI" 65 66 #include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */ 67 #ifndef OPENSSL_NO_DSA 68 #include <stdio.h> 69 #include <string.h> 70 #include <sys/types.h> 71 #include <sys/stat.h> 72 #include "apps.h" 73 #include <openssl/bio.h> 74 #include <openssl/err.h> 75 #include <openssl/bn.h> 76 #include <openssl/dsa.h> 77 #include <openssl/x509.h> 78 #include <openssl/pem.h> 79 80 #define DEFBITS 512 81 #undef PROG 82 #define PROG gendsa_main 83 84 #ifdef SOLARIS_OPENSSL 85 extern int SUNWcry_installed; 86 #endif 87 88 int MAIN(int, char **); 89 90 int MAIN(int argc, char **argv) 91 { 92 #ifndef OPENSSL_NO_ENGINE 93 ENGINE *e = NULL; 94 #endif 95 DSA *dsa=NULL; 96 int ret=1; 97 char *outfile=NULL; 98 char *inrand=NULL,*dsaparams=NULL; 99 char *passargout = NULL, *passout = NULL; 100 BIO *out=NULL,*in=NULL; 101 const EVP_CIPHER *enc=NULL; 102 #ifndef OPENSSL_NO_ENGINE 103 char *engine=NULL; 104 #endif 105 106 apps_startup(); 107 108 if (bio_err == NULL) 109 if ((bio_err=BIO_new(BIO_s_file())) != NULL) 110 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); 111 112 if (!load_config(bio_err, NULL)) 113 goto end; 114 115 argv++; 116 argc--; 117 for (;;) 118 { 119 if (argc <= 0) break; 120 if (strcmp(*argv,"-out") == 0) 121 { 122 if (--argc < 1) goto bad; 123 outfile= *(++argv); 124 } 125 else if (strcmp(*argv,"-passout") == 0) 126 { 127 if (--argc < 1) goto bad; 128 passargout= *(++argv); 129 } 130 #ifndef OPENSSL_NO_ENGINE 131 else if (strcmp(*argv,"-engine") == 0) 132 { 133 if (--argc < 1) goto bad; 134 engine= *(++argv); 135 } 136 #endif 137 else if (strcmp(*argv,"-rand") == 0) 138 { 139 if (--argc < 1) goto bad; 140 inrand= *(++argv); 141 } 142 else if (strcmp(*argv,"-") == 0) 143 goto bad; 144 #ifndef OPENSSL_NO_DES 145 else if (strcmp(*argv,"-des") == 0) 146 enc=EVP_des_cbc(); 147 else if (strcmp(*argv,"-des3") == 0) 148 enc=EVP_des_ede3_cbc(); 149 #endif 150 #ifndef OPENSSL_NO_IDEA 151 else if (strcmp(*argv,"-idea") == 0) 152 enc=EVP_idea_cbc(); 153 #endif 154 #ifndef OPENSSL_NO_AES 155 else if (strcmp(*argv,"-aes128") == 0) 156 enc=EVP_aes_128_cbc(); 157 #ifdef SOLARIS_OPENSSL 158 else if (strcmp(*argv,"-aes192") == 0) 159 { 160 if (!SUNWcry_installed) 161 { 162 BIO_printf(bio_err,"SUNWcry not installed.\n"); 163 goto bad; 164 } 165 } 166 else if (strcmp(*argv,"-aes256") == 0) 167 { 168 if (!SUNWcry_installed) 169 { 170 BIO_printf(bio_err,"SUNWcry not installed.\n"); 171 goto bad; 172 } 173 } 174 #else 175 else if (strcmp(*argv,"-aes192") == 0) 176 enc=EVP_aes_192_cbc(); 177 else if (strcmp(*argv,"-aes256") == 0) 178 enc=EVP_aes_256_cbc(); 179 #endif 180 #endif 181 else if (**argv != '-' && dsaparams == NULL) 182 { 183 dsaparams = *argv; 184 } 185 else 186 goto bad; 187 argv++; 188 argc--; 189 } 190 191 if (dsaparams == NULL) 192 { 193 bad: 194 BIO_printf(bio_err,"usage: gendsa [args] dsaparam-file\n"); 195 BIO_printf(bio_err," -out file - output the key to 'file'\n"); 196 #ifndef OPENSSL_NO_DES 197 BIO_printf(bio_err," -des - encrypt the generated key with DES in cbc mode\n"); 198 BIO_printf(bio_err," -des3 - encrypt the generated key with DES in ede cbc mode (168 bit key)\n"); 199 #endif 200 #ifndef OPENSSL_NO_IDEA 201 BIO_printf(bio_err," -idea - encrypt the generated key with IDEA in cbc mode\n"); 202 #endif 203 #ifndef OPENSSL_NO_AES 204 BIO_printf(bio_err," -aes128, -aes192, -aes256\n"); 205 BIO_printf(bio_err," encrypt PEM output with cbc aes\n"); 206 #endif 207 #ifndef OPENSSL_NO_ENGINE 208 BIO_printf(bio_err," -engine e - use engine e, possibly a hardware device.\n"); 209 #endif 210 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 211 BIO_printf(bio_err," - load the file (or the files in the directory) into\n"); 212 BIO_printf(bio_err," the random number generator\n"); 213 BIO_printf(bio_err," dsaparam-file\n"); 214 BIO_printf(bio_err," - a DSA parameter file as generated by the dsaparam command\n"); 215 goto end; 216 } 217 218 #ifndef OPENSSL_NO_ENGINE 219 e = setup_engine(bio_err, engine, 0); 220 #endif 221 222 if(!app_passwd(bio_err, NULL, passargout, NULL, &passout)) { 223 BIO_printf(bio_err, "Error getting password\n"); 224 goto end; 225 } 226 227 228 in=BIO_new(BIO_s_file()); 229 if (!(BIO_read_filename(in,dsaparams))) 230 { 231 perror(dsaparams); 232 goto end; 233 } 234 235 if ((dsa=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL) 236 { 237 BIO_printf(bio_err,"unable to load DSA parameter file\n"); 238 goto end; 239 } 240 BIO_free(in); 241 in = NULL; 242 243 out=BIO_new(BIO_s_file()); 244 if (out == NULL) goto end; 245 246 if (outfile == NULL) 247 { 248 BIO_set_fp(out,stdout,BIO_NOCLOSE); 249 #ifdef OPENSSL_SYS_VMS 250 { 251 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 252 out = BIO_push(tmpbio, out); 253 } 254 #endif 255 } 256 else 257 { 258 if (BIO_write_filename(out,outfile) <= 0) 259 { 260 perror(outfile); 261 goto end; 262 } 263 } 264 265 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL) 266 { 267 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 268 } 269 if (inrand != NULL) 270 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 271 app_RAND_load_files(inrand)); 272 273 BIO_printf(bio_err,"Generating DSA key, %d bits\n", 274 BN_num_bits(dsa->p)); 275 if (!DSA_generate_key(dsa)) goto end; 276 277 app_RAND_write_file(NULL, bio_err); 278 279 if (!PEM_write_bio_DSAPrivateKey(out,dsa,enc,NULL,0,NULL, passout)) 280 goto end; 281 ret=0; 282 end: 283 if (ret != 0) 284 ERR_print_errors(bio_err); 285 if (in != NULL) BIO_free(in); 286 if (out != NULL) BIO_free_all(out); 287 if (dsa != NULL) DSA_free(dsa); 288 if(passout) OPENSSL_free(passout); 289 apps_shutdown(); 290 OPENSSL_EXIT(ret); 291 } 292 #endif 293