1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/ssl/tsrc/topenssl/src/dsaparam.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,484 @@
1.4 +/* apps/dsaparam.c */
1.5 +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
1.6 + * All rights reserved.
1.7 + *
1.8 + * This package is an SSL implementation written
1.9 + * by Eric Young (eay@cryptsoft.com).
1.10 + * The implementation was written so as to conform with Netscapes SSL.
1.11 + *
1.12 + * This library is free for commercial and non-commercial use as long as
1.13 + * the following conditions are aheared to. The following conditions
1.14 + * apply to all code found in this distribution, be it the RC4, RSA,
1.15 + * lhash, DES, etc., code; not just the SSL code. The SSL documentation
1.16 + * included with this distribution is covered by the same copyright terms
1.17 + * except that the holder is Tim Hudson (tjh@cryptsoft.com).
1.18 + *
1.19 + * Copyright remains Eric Young's, and as such any Copyright notices in
1.20 + * the code are not to be removed.
1.21 + * If this package is used in a product, Eric Young should be given attribution
1.22 + * as the author of the parts of the library used.
1.23 + * This can be in the form of a textual message at program startup or
1.24 + * in documentation (online or textual) provided with the package.
1.25 + *
1.26 + * Redistribution and use in source and binary forms, with or without
1.27 + * modification, are permitted provided that the following conditions
1.28 + * are met:
1.29 + * 1. Redistributions of source code must retain the copyright
1.30 + * notice, this list of conditions and the following disclaimer.
1.31 + * 2. Redistributions in binary form must reproduce the above copyright
1.32 + * notice, this list of conditions and the following disclaimer in the
1.33 + * documentation and/or other materials provided with the distribution.
1.34 + * 3. All advertising materials mentioning features or use of this software
1.35 + * must display the following acknowledgement:
1.36 + * "This product includes cryptographic software written by
1.37 + * Eric Young (eay@cryptsoft.com)"
1.38 + * The word 'cryptographic' can be left out if the rouines from the library
1.39 + * being used are not cryptographic related :-).
1.40 + * 4. If you include any Windows specific code (or a derivative thereof) from
1.41 + * the apps directory (application code) you must include an acknowledgement:
1.42 + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
1.43 + *
1.44 + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
1.45 + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.46 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.47 + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
1.48 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1.49 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
1.50 + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.51 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
1.52 + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
1.53 + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
1.54 + * SUCH DAMAGE.
1.55 + *
1.56 + * The licence and distribution terms for any publically available version or
1.57 + * derivative of this code cannot be changed. i.e. this code cannot simply be
1.58 + * copied and put under another distribution licence
1.59 + * [including the GNU Public Licence.]
1.60 + */
1.61 +
1.62 +#include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */
1.63 +/* Until the key-gen callbacks are modified to use newer prototypes, we allow
1.64 + * deprecated functions for openssl-internal code */
1.65 +#ifdef OPENSSL_NO_DEPRECATED
1.66 +#undef OPENSSL_NO_DEPRECATED
1.67 +#endif
1.68 +
1.69 +#ifndef OPENSSL_NO_DSA
1.70 +#include <assert.h>
1.71 +#include <stdio.h>
1.72 +#include <stdlib.h>
1.73 +#include <time.h>
1.74 +#include <string.h>
1.75 +#include "apps.h"
1.76 +#include <openssl/bio.h>
1.77 +#include <openssl/err.h>
1.78 +#include <openssl/bn.h>
1.79 +#include <openssl/dsa.h>
1.80 +#include <openssl/x509.h>
1.81 +#include <openssl/pem.h>
1.82 +
1.83 +#undef PROG
1.84 +#define PROG dsaparam_main
1.85 +
1.86 +/* -inform arg - input format - default PEM (DER or PEM)
1.87 + * -outform arg - output format - default PEM
1.88 + * -in arg - input file - default stdin
1.89 + * -out arg - output file - default stdout
1.90 + * -noout
1.91 + * -text
1.92 + * -C
1.93 + * -noout
1.94 + * -genkey
1.95 + * #ifdef GENCB_TEST
1.96 + * -timebomb n - interrupt keygen after <n> seconds
1.97 + * #endif
1.98 + */
1.99 +
1.100 +#ifdef GENCB_TEST
1.101 +
1.102 +static int stop_keygen_flag = 0;
1.103 +
1.104 +static void timebomb_sigalarm(int foo)
1.105 + {
1.106 + stop_keygen_flag = 1;
1.107 + }
1.108 +
1.109 +#endif
1.110 +
1.111 +static int MS_CALLBACK dsa_cb(int p, int n, BN_GENCB *cb);
1.112 +
1.113 +
1.114 +
1.115 +int MAIN(int, char **);
1.116 +
1.117 +int MAIN(int argc, char **argv)
1.118 + {
1.119 +#ifndef OPENSSL_NO_ENGINE
1.120 + ENGINE *e = NULL;
1.121 +#endif
1.122 + DSA *dsa=NULL;
1.123 + int i,badops=0,text=0;
1.124 + BIO *in=NULL,*out=NULL;
1.125 + int informat,outformat,noout=0,C=0,ret=1;
1.126 + char *infile,*outfile,*prog,*inrand=NULL;
1.127 + int numbits= -1,num,genkey=0;
1.128 + int need_rand=0;
1.129 +#ifndef OPENSSL_NO_ENGINE
1.130 + char *engine=NULL;
1.131 +#endif
1.132 +#ifdef GENCB_TEST
1.133 + int timebomb=0;
1.134 +#endif
1.135 +
1.136 + apps_startup();
1.137 +
1.138 + if (bio_err == NULL)
1.139 + if ((bio_err=BIO_new(BIO_s_file())) != NULL)
1.140 + BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
1.141 +
1.142 +
1.143 + if (!load_config(bio_err, NULL))
1.144 + goto end;
1.145 +
1.146 + infile=NULL;
1.147 + outfile=NULL;
1.148 + informat=FORMAT_PEM;
1.149 + outformat=FORMAT_PEM;
1.150 +
1.151 + prog=argv[0];
1.152 + argc--;
1.153 + argv++;
1.154 + while (argc >= 1)
1.155 + {
1.156 + if (strcmp(*argv,"-inform") == 0)
1.157 + {
1.158 + if (--argc < 1) goto bad;
1.159 + informat=str2fmt(*(++argv));
1.160 + }
1.161 + else if (strcmp(*argv,"-outform") == 0)
1.162 + {
1.163 + if (--argc < 1) goto bad;
1.164 + outformat=str2fmt(*(++argv));
1.165 + }
1.166 + else if (strcmp(*argv,"-in") == 0)
1.167 + {
1.168 + if (--argc < 1) goto bad;
1.169 + infile= *(++argv);
1.170 + }
1.171 + else if (strcmp(*argv,"-out") == 0)
1.172 + {
1.173 + if (--argc < 1) goto bad;
1.174 + outfile= *(++argv);
1.175 + }
1.176 +#ifndef OPENSSL_NO_ENGINE
1.177 + else if(strcmp(*argv, "-engine") == 0)
1.178 + {
1.179 + if (--argc < 1) goto bad;
1.180 + engine = *(++argv);
1.181 + }
1.182 +#endif
1.183 +#ifdef GENCB_TEST
1.184 + else if(strcmp(*argv, "-timebomb") == 0)
1.185 + {
1.186 + if (--argc < 1) goto bad;
1.187 + timebomb = atoi(*(++argv));
1.188 + }
1.189 +#endif
1.190 + else if (strcmp(*argv,"-text") == 0)
1.191 + text=1;
1.192 + else if (strcmp(*argv,"-C") == 0)
1.193 + C=1;
1.194 + else if (strcmp(*argv,"-genkey") == 0)
1.195 + {
1.196 + genkey=1;
1.197 + need_rand=1;
1.198 + }
1.199 + else if (strcmp(*argv,"-rand") == 0)
1.200 + {
1.201 + if (--argc < 1) goto bad;
1.202 + inrand= *(++argv);
1.203 + need_rand=1;
1.204 + }
1.205 + else if (strcmp(*argv,"-noout") == 0)
1.206 + noout=1;
1.207 + else if (sscanf(*argv,"%d",&num) == 1)
1.208 + {
1.209 + /* generate a key */
1.210 + numbits=num;
1.211 + need_rand=1;
1.212 + }
1.213 + else
1.214 + {
1.215 + BIO_printf(bio_err,"unknown option %s\n",*argv);
1.216 + badops=1;
1.217 + break;
1.218 + }
1.219 + argc--;
1.220 + argv++;
1.221 + }
1.222 +
1.223 + if (badops)
1.224 + {
1.225 +bad:
1.226 + BIO_printf(bio_err,"%s [options] [bits] <infile >outfile\n",prog);
1.227 + BIO_printf(bio_err,"where options are\n");
1.228 + BIO_printf(bio_err," -inform arg input format - DER or PEM\n");
1.229 + BIO_printf(bio_err," -outform arg output format - DER or PEM\n");
1.230 + BIO_printf(bio_err," -in arg input file\n");
1.231 + BIO_printf(bio_err," -out arg output file\n");
1.232 + BIO_printf(bio_err," -text print as text\n");
1.233 + BIO_printf(bio_err," -C Output C code\n");
1.234 + BIO_printf(bio_err," -noout no output\n");
1.235 + BIO_printf(bio_err," -genkey generate a DSA key\n");
1.236 + BIO_printf(bio_err," -rand files to use for random number input\n");
1.237 +#ifndef OPENSSL_NO_ENGINE
1.238 + BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
1.239 +#endif
1.240 +#ifdef GENCB_TEST
1.241 + BIO_printf(bio_err," -timebomb n interrupt keygen after <n> seconds\n");
1.242 +#endif
1.243 + BIO_printf(bio_err," number number of bits to use for generating private key\n");
1.244 + goto end;
1.245 + }
1.246 +
1.247 + ERR_load_crypto_strings();
1.248 +
1.249 + in=BIO_new(BIO_s_file());
1.250 + out=BIO_new(BIO_s_file());
1.251 + if ((in == NULL) || (out == NULL))
1.252 + {
1.253 + ERR_print_errors(bio_err);
1.254 + goto end;
1.255 + }
1.256 +
1.257 + if (infile == NULL)
1.258 + BIO_set_fp(in,stdin,BIO_NOCLOSE);
1.259 +
1.260 + else
1.261 + {
1.262 + if (BIO_read_filename(in,infile) <= 0)
1.263 + {
1.264 + perror(infile);
1.265 + goto end;
1.266 + }
1.267 + }
1.268 + if (outfile == NULL)
1.269 + {
1.270 + BIO_set_fp(out,stdout,BIO_NOCLOSE);
1.271 +
1.272 +#ifdef OPENSSL_SYS_VMS
1.273 + {
1.274 + BIO *tmpbio = BIO_new(BIO_f_linebuffer());
1.275 + out = BIO_push(tmpbio, out);
1.276 + }
1.277 +#endif
1.278 + }
1.279 + else
1.280 + {
1.281 + if (BIO_write_filename(out,outfile) <= 0)
1.282 + {
1.283 + perror(outfile);
1.284 + goto end;
1.285 + }
1.286 + }
1.287 +
1.288 +#ifndef OPENSSL_NO_ENGINE
1.289 + e = setup_engine(bio_err, engine, 0);
1.290 +#endif
1.291 +
1.292 + if (need_rand)
1.293 + {
1.294 + app_RAND_load_file(NULL, bio_err, (inrand != NULL));
1.295 + if (inrand != NULL)
1.296 + BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1.297 + app_RAND_load_files(inrand));
1.298 + }
1.299 +
1.300 + if (numbits > 0)
1.301 + {
1.302 + BN_GENCB cb;
1.303 + BN_GENCB_set(&cb, dsa_cb, bio_err);
1.304 + assert(need_rand);
1.305 + dsa = DSA_new();
1.306 + if(!dsa)
1.307 + {
1.308 + BIO_printf(bio_err,"Error allocating DSA object\n");
1.309 + goto end;
1.310 + }
1.311 + BIO_printf(bio_err,"Generating DSA parameters, %d bit long prime\n",num);
1.312 + BIO_printf(bio_err,"This could take some time\n");
1.313 +#ifdef GENCB_TEST
1.314 + if(timebomb > 0)
1.315 + {
1.316 + struct sigaction act;
1.317 + act.sa_handler = timebomb_sigalarm;
1.318 + act.sa_flags = 0;
1.319 + BIO_printf(bio_err,"(though I'll stop it if not done within %d secs)\n",
1.320 + timebomb);
1.321 + if(sigaction(SIGALRM, &act, NULL) != 0)
1.322 + {
1.323 + BIO_printf(bio_err,"Error, couldn't set SIGALRM handler\n");
1.324 + goto end;
1.325 + }
1.326 + alarm(timebomb);
1.327 + }
1.328 +#endif
1.329 + if(!DSA_generate_parameters_ex(dsa,num,NULL,0,NULL,NULL, &cb))
1.330 + {
1.331 +#ifdef GENCB_TEST
1.332 + if(stop_keygen_flag)
1.333 + {
1.334 + BIO_printf(bio_err,"DSA key generation time-stopped\n");
1.335 + /* This is an asked-for behaviour! */
1.336 + ret = 0;
1.337 + goto end;
1.338 + }
1.339 +#endif
1.340 + BIO_printf(bio_err,"Error, DSA key generation failed\n");
1.341 + goto end;
1.342 + }
1.343 + }
1.344 + else if (informat == FORMAT_ASN1)
1.345 + dsa=d2i_DSAparams_bio(in,NULL);
1.346 + else if (informat == FORMAT_PEM)
1.347 + dsa=PEM_read_bio_DSAparams(in,NULL,NULL,NULL);
1.348 + else
1.349 + {
1.350 + BIO_printf(bio_err,"bad input format specified\n");
1.351 + goto end;
1.352 + }
1.353 + if (dsa == NULL)
1.354 + {
1.355 + BIO_printf(bio_err,"unable to load DSA parameters\n");
1.356 + ERR_print_errors(bio_err);
1.357 + goto end;
1.358 + }
1.359 +
1.360 + if (text)
1.361 + {
1.362 + DSAparams_print(out,dsa);
1.363 + }
1.364 +
1.365 + if (C)
1.366 + {
1.367 + unsigned char *data;
1.368 + int l,len,bits_p,bits_q,bits_g;
1.369 +
1.370 + len=BN_num_bytes(dsa->p);
1.371 + bits_p=BN_num_bits(dsa->p);
1.372 + bits_q=BN_num_bits(dsa->q);
1.373 + bits_g=BN_num_bits(dsa->g);
1.374 + data=(unsigned char *)OPENSSL_malloc(len+20);
1.375 + if (data == NULL)
1.376 + {
1.377 + perror("OPENSSL_malloc");
1.378 + goto end;
1.379 + }
1.380 + l=BN_bn2bin(dsa->p,data);
1.381 + printf("static unsigned char dsa%d_p[]={",bits_p);
1.382 + for (i=0; i<l; i++)
1.383 + {
1.384 + if ((i%12) == 0) printf("\n\t");
1.385 + printf("0x%02X,",data[i]);
1.386 + }
1.387 + printf("\n\t};\n");
1.388 +
1.389 + l=BN_bn2bin(dsa->q,data);
1.390 + printf("static unsigned char dsa%d_q[]={",bits_p);
1.391 + for (i=0; i<l; i++)
1.392 + {
1.393 + if ((i%12) == 0) printf("\n\t");
1.394 + printf("0x%02X,",data[i]);
1.395 + }
1.396 + printf("\n\t};\n");
1.397 +
1.398 + l=BN_bn2bin(dsa->g,data);
1.399 + printf("static unsigned char dsa%d_g[]={",bits_p);
1.400 + for (i=0; i<l; i++)
1.401 + {
1.402 + if ((i%12) == 0) printf("\n\t");
1.403 + printf("0x%02X,",data[i]);
1.404 + }
1.405 + printf("\n\t};\n\n");
1.406 +
1.407 + printf("DSA *get_dsa%d()\n\t{\n",bits_p);
1.408 + printf("\tDSA *dsa;\n\n");
1.409 + printf("\tif ((dsa=DSA_new()) == NULL) return(NULL);\n");
1.410 + printf("\tdsa->p=BN_bin2bn(dsa%d_p,sizeof(dsa%d_p),NULL);\n",
1.411 + bits_p,bits_p);
1.412 + printf("\tdsa->q=BN_bin2bn(dsa%d_q,sizeof(dsa%d_q),NULL);\n",
1.413 + bits_p,bits_p);
1.414 + printf("\tdsa->g=BN_bin2bn(dsa%d_g,sizeof(dsa%d_g),NULL);\n",
1.415 + bits_p,bits_p);
1.416 + printf("\tif ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))\n");
1.417 + printf("\t\t{ DSA_free(dsa); return(NULL); }\n");
1.418 + printf("\treturn(dsa);\n\t}\n");
1.419 +
1.420 + }
1.421 +
1.422 +
1.423 + if (!noout)
1.424 + {
1.425 + if (outformat == FORMAT_ASN1)
1.426 + i=i2d_DSAparams_bio(out,dsa);
1.427 + else if (outformat == FORMAT_PEM)
1.428 + i=PEM_write_bio_DSAparams(out,dsa);
1.429 + else {
1.430 + BIO_printf(bio_err,"bad output format specified for outfile\n");
1.431 + goto end;
1.432 + }
1.433 + if (!i)
1.434 + {
1.435 + BIO_printf(bio_err,"unable to write DSA parameters\n");
1.436 + ERR_print_errors(bio_err);
1.437 + goto end;
1.438 + }
1.439 + }
1.440 + if (genkey)
1.441 + {
1.442 + DSA *dsakey;
1.443 +
1.444 + assert(need_rand);
1.445 + if ((dsakey=DSAparams_dup(dsa)) == NULL) goto end;
1.446 + if (!DSA_generate_key(dsakey)) goto end;
1.447 + if (outformat == FORMAT_ASN1)
1.448 + i=i2d_DSAPrivateKey_bio(out,dsakey);
1.449 + else if (outformat == FORMAT_PEM)
1.450 + i=PEM_write_bio_DSAPrivateKey(out,dsakey,NULL,NULL,0,NULL,NULL);
1.451 + else {
1.452 + BIO_printf(bio_err,"bad output format specified for outfile\n");
1.453 + goto end;
1.454 + }
1.455 + DSA_free(dsakey);
1.456 + }
1.457 + if (need_rand)
1.458 + app_RAND_write_file(NULL, bio_err);
1.459 + ret=0;
1.460 +end:
1.461 + if (in != NULL) BIO_free(in);
1.462 + if (out != NULL) BIO_free_all(out);
1.463 + if (dsa != NULL) DSA_free(dsa);
1.464 + apps_shutdown();
1.465 + OPENSSL_EXIT(ret);
1.466 + }
1.467 +
1.468 +static int MS_CALLBACK dsa_cb(int p, int n, BN_GENCB *cb)
1.469 + {
1.470 + char c='*';
1.471 +
1.472 + if (p == 0) c='.';
1.473 + if (p == 1) c='+';
1.474 + if (p == 2) c='*';
1.475 + if (p == 3) c='\n';
1.476 + BIO_write(cb->arg,&c,1);
1.477 + (void)BIO_flush(cb->arg);
1.478 +#ifdef LINT
1.479 + p=n;
1.480 +#endif
1.481 +#ifdef GENCB_TEST
1.482 + if(stop_keygen_flag)
1.483 + return 0;
1.484 +#endif
1.485 + return 1;
1.486 + }
1.487 +#endif