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| 1 /* apps/gendh.c */ | |
| 2 /* obsoleted by dhparam.c */ | |
| 3 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
| 4 * All rights reserved. | |
| 5 * | |
| 6 * This package is an SSL implementation written | |
| 7 * by Eric Young (eay@cryptsoft.com). | |
| 8 * The implementation was written so as to conform with Netscapes SSL. | |
| 9 * | |
| 10 * This library is free for commercial and non-commercial use as long as | |
| 11 * the following conditions are aheared to. The following conditions | |
| 12 * apply to all code found in this distribution, be it the RC4, RSA, | |
| 13 * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
| 14 * included with this distribution is covered by the same copyright terms | |
| 15 * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
| 16 * | |
| 17 * Copyright remains Eric Young's, and as such any Copyright notices in | |
| 18 * the code are not to be removed. | |
| 19 * If this package is used in a product, Eric Young should be given attribution | |
| 20 * as the author of the parts of the library used. | |
| 21 * This can be in the form of a textual message at program startup or | |
| 22 * in documentation (online or textual) provided with the package. | |
| 23 * | |
| 24 * Redistribution and use in source and binary forms, with or without | |
| 25 * modification, are permitted provided that the following conditions | |
| 26 * are met: | |
| 27 * 1. Redistributions of source code must retain the copyright | |
| 28 * notice, this list of conditions and the following disclaimer. | |
| 29 * 2. Redistributions in binary form must reproduce the above copyright | |
| 30 * notice, this list of conditions and the following disclaimer in the | |
| 31 * documentation and/or other materials provided with the distribution. | |
| 32 * 3. All advertising materials mentioning features or use of this software | |
| 33 * must display the following acknowledgement: | |
| 34 * "This product includes cryptographic software written by | |
| 35 * Eric Young (eay@cryptsoft.com)" | |
| 36 * The word 'cryptographic' can be left out if the rouines from the library | |
| 37 * being used are not cryptographic related :-). | |
| 38 * 4. If you include any Windows specific code (or a derivative thereof) from | |
| 39 * the apps directory (application code) you must include an acknowledgement: | |
| 40 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
| 41 * | |
| 42 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
| 43 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 44 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 45 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
| 46 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 47 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 48 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 49 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 50 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 51 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 52 * SUCH DAMAGE. | |
| 53 * | |
| 54 * The licence and distribution terms for any publically available version or | |
| 55 * derivative of this code cannot be changed. i.e. this code cannot simply be | |
| 56 * copied and put under another distribution licence | |
| 57 * [including the GNU Public Licence.] | |
| 58 */ | |
| 59 | |
| 60 #include <openssl/opensslconf.h> | |
| 61 /* Until the key-gen callbacks are modified to use newer prototypes, we allow | |
| 62 * deprecated functions for openssl-internal code */ | |
| 63 #ifdef OPENSSL_NO_DEPRECATED | |
| 64 #undef OPENSSL_NO_DEPRECATED | |
| 65 #endif | |
| 66 | |
| 67 #ifndef OPENSSL_NO_DH | |
| 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/rand.h> | |
| 75 #include <openssl/err.h> | |
| 76 #include <openssl/bn.h> | |
| 77 #include <openssl/dh.h> | |
| 78 #include <openssl/x509.h> | |
| 79 #include <openssl/pem.h> | |
| 80 | |
| 81 #define DEFBITS 512 | |
| 82 #undef PROG | |
| 83 #define PROG gendh_main | |
| 84 | |
| 85 static int MS_CALLBACK dh_cb(int p, int n, BN_GENCB *cb); | |
| 86 | |
| 87 int MAIN(int, char **); | |
| 88 | |
| 89 int MAIN(int argc, char **argv) | |
| 90 { | |
| 91 BN_GENCB cb; | |
| 92 DH *dh=NULL; | |
| 93 int ret=1,num=DEFBITS; | |
| 94 int g=2; | |
| 95 char *outfile=NULL; | |
| 96 char *inrand=NULL; | |
| 97 #ifndef OPENSSL_NO_ENGINE | |
| 98 char *engine=NULL; | |
| 99 #endif | |
| 100 BIO *out=NULL; | |
| 101 | |
| 102 apps_startup(); | |
| 103 | |
| 104 BN_GENCB_set(&cb, dh_cb, bio_err); | |
| 105 if (bio_err == NULL) | |
| 106 if ((bio_err=BIO_new(BIO_s_file())) != NULL) | |
| 107 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); | |
| 108 | |
| 109 if (!load_config(bio_err, NULL)) | |
| 110 goto end; | |
| 111 | |
| 112 argv++; | |
| 113 argc--; | |
| 114 for (;;) | |
| 115 { | |
| 116 if (argc <= 0) break; | |
| 117 if (strcmp(*argv,"-out") == 0) | |
| 118 { | |
| 119 if (--argc < 1) goto bad; | |
| 120 outfile= *(++argv); | |
| 121 } | |
| 122 else if (strcmp(*argv,"-2") == 0) | |
| 123 g=2; | |
| 124 /* else if (strcmp(*argv,"-3") == 0) | |
| 125 g=3; */ | |
| 126 else if (strcmp(*argv,"-5") == 0) | |
| 127 g=5; | |
| 128 #ifndef OPENSSL_NO_ENGINE | |
| 129 else if (strcmp(*argv,"-engine") == 0) | |
| 130 { | |
| 131 if (--argc < 1) goto bad; | |
| 132 engine= *(++argv); | |
| 133 } | |
| 134 #endif | |
| 135 else if (strcmp(*argv,"-rand") == 0) | |
| 136 { | |
| 137 if (--argc < 1) goto bad; | |
| 138 inrand= *(++argv); | |
| 139 } | |
| 140 else | |
| 141 break; | |
| 142 argv++; | |
| 143 argc--; | |
| 144 } | |
| 145 if ((argc >= 1) && ((sscanf(*argv,"%d",&num) == 0) || (num < 0))) | |
| 146 { | |
| 147 bad: | |
| 148 BIO_printf(bio_err,"usage: gendh [args] [numbits]\n"); | |
| 149 BIO_printf(bio_err," -out file - output the key to 'file\n"); | |
| 150 BIO_printf(bio_err," -2 - use 2 as the generator value\n"
); | |
| 151 /* BIO_printf(bio_err," -3 - use 3 as the generator value\n"
); */ | |
| 152 BIO_printf(bio_err," -5 - use 5 as the generator value\n"
); | |
| 153 #ifndef OPENSSL_NO_ENGINE | |
| 154 BIO_printf(bio_err," -engine e - use engine e, possibly a hardwa
re device.\n"); | |
| 155 #endif | |
| 156 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CH
AR, LIST_SEPARATOR_CHAR); | |
| 157 BIO_printf(bio_err," - load the file (or the files in
the directory) into\n"); | |
| 158 BIO_printf(bio_err," the random number generator\n")
; | |
| 159 goto end; | |
| 160 } | |
| 161 | |
| 162 #ifndef OPENSSL_NO_ENGINE | |
| 163 setup_engine(bio_err, engine, 0); | |
| 164 #endif | |
| 165 | |
| 166 out=BIO_new(BIO_s_file()); | |
| 167 if (out == NULL) | |
| 168 { | |
| 169 ERR_print_errors(bio_err); | |
| 170 goto end; | |
| 171 } | |
| 172 | |
| 173 if (outfile == NULL) | |
| 174 { | |
| 175 BIO_set_fp(out,stdout,BIO_NOCLOSE); | |
| 176 #ifdef OPENSSL_SYS_VMS | |
| 177 { | |
| 178 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
| 179 out = BIO_push(tmpbio, out); | |
| 180 } | |
| 181 #endif | |
| 182 } | |
| 183 else | |
| 184 { | |
| 185 if (BIO_write_filename(out,outfile) <= 0) | |
| 186 { | |
| 187 perror(outfile); | |
| 188 goto end; | |
| 189 } | |
| 190 } | |
| 191 | |
| 192 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL) | |
| 193 { | |
| 194 BIO_printf(bio_err,"warning, not much extra random data, conside
r using the -rand option\n"); | |
| 195 } | |
| 196 if (inrand != NULL) | |
| 197 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", | |
| 198 app_RAND_load_files(inrand)); | |
| 199 | |
| 200 BIO_printf(bio_err,"Generating DH parameters, %d bit long safe prime, ge
nerator %d\n",num,g); | |
| 201 BIO_printf(bio_err,"This is going to take a long time\n"); | |
| 202 | |
| 203 if(((dh = DH_new()) == NULL) || !DH_generate_parameters_ex(dh, num, g, &
cb)) | |
| 204 goto end; | |
| 205 | |
| 206 app_RAND_write_file(NULL, bio_err); | |
| 207 | |
| 208 if (!PEM_write_bio_DHparams(out,dh)) | |
| 209 goto end; | |
| 210 ret=0; | |
| 211 end: | |
| 212 if (ret != 0) | |
| 213 ERR_print_errors(bio_err); | |
| 214 if (out != NULL) BIO_free_all(out); | |
| 215 if (dh != NULL) DH_free(dh); | |
| 216 apps_shutdown(); | |
| 217 OPENSSL_EXIT(ret); | |
| 218 } | |
| 219 | |
| 220 static int MS_CALLBACK dh_cb(int p, int n, BN_GENCB *cb) | |
| 221 { | |
| 222 char c='*'; | |
| 223 | |
| 224 if (p == 0) c='.'; | |
| 225 if (p == 1) c='+'; | |
| 226 if (p == 2) c='*'; | |
| 227 if (p == 3) c='\n'; | |
| 228 BIO_write(cb->arg,&c,1); | |
| 229 (void)BIO_flush(cb->arg); | |
| 230 #ifdef LINT | |
| 231 p=n; | |
| 232 #endif | |
| 233 return 1; | |
| 234 } | |
| 235 #else /* !OPENSSL_NO_DH */ | |
| 236 | |
| 237 # if PEDANTIC | |
| 238 static void *dummy=&dummy; | |
| 239 # endif | |
| 240 | |
| 241 #endif | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master