1 /* apps/genrsa.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 2005 Sun Microsystems, Inc. All rights reserved. 61 * Use is subject to license terms. 62 */ 63 #pragma ident "%Z%%M% %I% %E% SMI" 64 65 #ifndef OPENSSL_NO_RSA 66 #include <stdio.h> 67 #include <string.h> 68 #include <sys/types.h> 69 #include <sys/stat.h> 70 #include "apps.h" 71 #include <openssl/bio.h> 72 #include <openssl/err.h> 73 #include <openssl/bn.h> 74 #include <openssl/rsa.h> 75 #include <openssl/evp.h> 76 #include <openssl/x509.h> 77 #include <openssl/pem.h> 78 #include <openssl/rand.h> 79 80 #define DEFBITS 512 81 #undef PROG 82 #define PROG genrsa_main 83 84 #ifdef SOLARIS_OPENSSL 85 extern int SUNWcry_installed; 86 #endif 87 88 static void MS_CALLBACK genrsa_cb(int p, int n, void *arg); 89 90 int MAIN(int, char **); 91 92 int MAIN(int argc, char **argv) 93 { 94 #ifndef OPENSSL_NO_ENGINE 95 ENGINE *e = NULL; 96 #endif 97 int ret=1; 98 RSA *rsa=NULL; 99 int i,num=DEFBITS; 100 long l; 101 const EVP_CIPHER *enc=NULL; 102 unsigned long f4=RSA_F4; 103 char *outfile=NULL; 104 char *passargout = NULL, *passout = NULL; 105 #ifndef OPENSSL_NO_ENGINE 106 char *engine=NULL; 107 #endif 108 char *inrand=NULL; 109 BIO *out=NULL; 110 111 apps_startup(); 112 113 if (bio_err == NULL) 114 if ((bio_err=BIO_new(BIO_s_file())) != NULL) 115 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); 116 117 if (!load_config(bio_err, NULL)) 118 goto err; 119 if ((out=BIO_new(BIO_s_file())) == NULL) 120 { 121 BIO_printf(bio_err,"unable to create BIO for output\n"); 122 goto err; 123 } 124 125 argv++; 126 argc--; 127 for (;;) 128 { 129 if (argc <= 0) break; 130 if (strcmp(*argv,"-out") == 0) 131 { 132 if (--argc < 1) goto bad; 133 outfile= *(++argv); 134 } 135 else if (strcmp(*argv,"-3") == 0) 136 f4=3; 137 else if (strcmp(*argv,"-F4") == 0 || strcmp(*argv,"-f4") == 0) 138 f4=RSA_F4; 139 #ifndef OPENSSL_NO_ENGINE 140 else if (strcmp(*argv,"-engine") == 0) 141 { 142 if (--argc < 1) goto bad; 143 engine= *(++argv); 144 } 145 #endif 146 else if (strcmp(*argv,"-rand") == 0) 147 { 148 if (--argc < 1) goto bad; 149 inrand= *(++argv); 150 } 151 #ifndef OPENSSL_NO_DES 152 else if (strcmp(*argv,"-des") == 0) 153 enc=EVP_des_cbc(); 154 else if (strcmp(*argv,"-des3") == 0) 155 enc=EVP_des_ede3_cbc(); 156 #endif 157 #ifndef OPENSSL_NO_IDEA 158 else if (strcmp(*argv,"-idea") == 0) 159 enc=EVP_idea_cbc(); 160 #endif 161 #ifndef OPENSSL_NO_AES 162 else if (strcmp(*argv,"-aes128") == 0) 163 enc=EVP_aes_128_cbc(); 164 #ifdef SOLARIS_OPENSSL 165 else if (strcmp(*argv,"-aes192") == 0) 166 { 167 if (!SUNWcry_installed) 168 { 169 BIO_printf(bio_err,"SUNWcry not installed.\n"); 170 goto bad; 171 } 172 } 173 else if (strcmp(*argv,"-aes256") == 0) 174 { 175 if (!SUNWcry_installed) 176 { 177 BIO_printf(bio_err,"SUNWcry not installed.\n"); 178 goto bad; 179 } 180 } 181 #else 182 else if (strcmp(*argv,"-aes192") == 0) 183 enc=EVP_aes_192_cbc(); 184 else if (strcmp(*argv,"-aes256") == 0) 185 enc=EVP_aes_256_cbc(); 186 #endif 187 #endif 188 else if (strcmp(*argv,"-passout") == 0) 189 { 190 if (--argc < 1) goto bad; 191 passargout= *(++argv); 192 } 193 else 194 break; 195 argv++; 196 argc--; 197 } 198 if ((argc >= 1) && ((sscanf(*argv,"%d",&num) == 0) || (num < 0))) 199 { 200 bad: 201 BIO_printf(bio_err,"usage: genrsa [args] [numbits]\n"); 202 BIO_printf(bio_err," -des encrypt the generated key with DES in cbc mode\n"); 203 BIO_printf(bio_err," -des3 encrypt the generated key with DES in ede cbc mode (168 bit key)\n"); 204 #ifndef OPENSSL_NO_IDEA 205 BIO_printf(bio_err," -idea encrypt the generated key with IDEA in cbc mode\n"); 206 #endif 207 #ifndef OPENSSL_NO_AES 208 BIO_printf(bio_err," -aes128, -aes192, -aes256\n"); 209 BIO_printf(bio_err," encrypt PEM output with cbc aes\n"); 210 #endif 211 BIO_printf(bio_err," -out file output the key to 'file\n"); 212 BIO_printf(bio_err," -passout arg output file pass phrase source\n"); 213 BIO_printf(bio_err," -f4 use F4 (0x10001) for the E value\n"); 214 BIO_printf(bio_err," -3 use 3 for the E value\n"); 215 #ifndef OPENSSL_NO_ENGINE 216 BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n"); 217 #endif 218 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 219 BIO_printf(bio_err," load the file (or the files in the directory) into\n"); 220 BIO_printf(bio_err," the random number generator\n"); 221 goto err; 222 } 223 224 ERR_load_crypto_strings(); 225 226 if(!app_passwd(bio_err, NULL, passargout, NULL, &passout)) { 227 BIO_printf(bio_err, "Error getting password\n"); 228 goto err; 229 } 230 231 #ifndef OPENSSL_NO_ENGINE 232 e = setup_engine(bio_err, engine, 0); 233 #endif 234 235 if (outfile == NULL) 236 { 237 BIO_set_fp(out,stdout,BIO_NOCLOSE); 238 #ifdef OPENSSL_SYS_VMS 239 { 240 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 241 out = BIO_push(tmpbio, out); 242 } 243 #endif 244 } 245 else 246 { 247 if (BIO_write_filename(out,outfile) <= 0) 248 { 249 perror(outfile); 250 goto err; 251 } 252 } 253 254 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 255 && !RAND_status()) 256 { 257 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 258 } 259 if (inrand != NULL) 260 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 261 app_RAND_load_files(inrand)); 262 263 BIO_printf(bio_err,"Generating RSA private key, %d bit long modulus\n", 264 num); 265 rsa=RSA_generate_key(num,f4,genrsa_cb,bio_err); 266 267 app_RAND_write_file(NULL, bio_err); 268 269 if (rsa == NULL) goto err; 270 271 /* We need to do the following for when the base number size is < 272 * long, esp windows 3.1 :-(. */ 273 l=0L; 274 for (i=0; i<rsa->e->top; i++) 275 { 276 #ifndef SIXTY_FOUR_BIT 277 l<<=BN_BITS4; 278 l<<=BN_BITS4; 279 #endif 280 l+=rsa->e->d[i]; 281 } 282 BIO_printf(bio_err,"e is %ld (0x%lX)\n",l,l); 283 { 284 PW_CB_DATA cb_data; 285 cb_data.password = passout; 286 cb_data.prompt_info = outfile; 287 if (!PEM_write_bio_RSAPrivateKey(out,rsa,enc,NULL,0, 288 (pem_password_cb *)password_callback,&cb_data)) 289 goto err; 290 } 291 292 ret=0; 293 err: 294 if (rsa != NULL) RSA_free(rsa); 295 if (out != NULL) BIO_free_all(out); 296 if(passout) OPENSSL_free(passout); 297 if (ret != 0) 298 ERR_print_errors(bio_err); 299 apps_shutdown(); 300 OPENSSL_EXIT(ret); 301 } 302 303 static void MS_CALLBACK genrsa_cb(int p, int n, void *arg) 304 { 305 char c='*'; 306 307 if (p == 0) c='.'; 308 if (p == 1) c='+'; 309 if (p == 2) c='*'; 310 if (p == 3) c='\n'; 311 BIO_write((BIO *)arg,&c,1); 312 (void)BIO_flush((BIO *)arg); 313 #ifdef LINT 314 p=n; 315 #endif 316 } 317 #else /* !OPENSSL_NO_RSA */ 318 319 # if PEDANTIC 320 static void *dummy=&dummy; 321 # endif 322 323 #endif 324