1: /* ====================================================================
    2:  * Copyright (c) 2004 The OpenSSL Project.  All rights reserved.
    3:  *
    4:  * Redistribution and use in source and binary forms, with or without
    5:  * modification, are permitted provided that the following conditions
    6:  * are met:
    7:  *
    8:  * 1. Redistributions of source code must retain the above copyright
    9:  *    notice, this list of conditions and the following disclaimer. 
   10:  *
   11:  * 2. Redistributions in binary form must reproduce the above copyright
   12:  *    notice, this list of conditions and the following disclaimer in
   13:  *    the documentation and/or other materials provided with the
   14:  *    distribution.
   15:  *
   16:  * 3. All advertising materials mentioning features or use of this
   17:  *    software must display the following acknowledgment:
   18:  *    "This product includes software developed by the OpenSSL Project
   19:  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
   20:  *
   21:  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
   22:  *    endorse or promote products derived from this software without
   23:  *    prior written permission. For written permission, please contact
   24:  *    openssl-core@openssl.org.
   25:  *
   26:  * 5. Products derived from this software may not be called "OpenSSL"
   27:  *    nor may "OpenSSL" appear in their names without prior written
   28:  *    permission of the OpenSSL Project.
   29:  *
   30:  * 6. Redistributions of any form whatsoever must retain the following
   31:  *    acknowledgment:
   32:  *    "This product includes software developed by the OpenSSL Project
   33:  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
   34:  *
   35:  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
   36:  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   37:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   38:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
   39:  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   40:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   41:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   42:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   43:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   44:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   45:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
   46:  * OF THE POSSIBILITY OF SUCH DAMAGE.
   47:  *
   48:  */
   49: 
   50: #include <string.h>
   51: 
   52: #include "apps.h"
   53: #include <openssl/bn.h>
   54: 
   55: 
   56: #undef PROG
   57: #define PROG prime_main
   58: 
   59: int MAIN(int, char **);
   60: 
   61: int MAIN(int argc, char **argv)
   62:     {
   63:     int hex=0;
   64:     int checks=20;
   65:     BIGNUM *bn=NULL;
   66:     BIO *bio_out;
   67: 
   68:     apps_startup();
   69: 
   70:     if (bio_err == NULL)
   71:         if ((bio_err=BIO_new(BIO_s_file())) != NULL)
   72:             BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
   73: 
   74:     --argc;
   75:     ++argv;
   76:     while (argc >= 1 && **argv == '-')
   77:         {
   78:         if(!strcmp(*argv,"-hex"))
   79:             hex=1;
   80:         else if(!strcmp(*argv,"-checks"))
   81:             if(--argc < 1)
   82:                 goto bad;
   83:             else
   84:                 checks=atoi(*++argv);
   85:         else
   86:             {
   87:             BIO_printf(bio_err,"Unknown option '%s'\n",*argv);
   88:             goto bad;
   89:             }
   90:         --argc;
   91:         ++argv;
   92:         }
   93: 
   94:     if (argv[0] == NULL)
   95:         {
   96:         BIO_printf(bio_err,"No prime specified\n");
   97:         goto bad;
   98:         }
   99: 
  100:    if ((bio_out=BIO_new(BIO_s_file())) != NULL)
  101:         {
  102:         BIO_set_fp(bio_out,stdout,BIO_NOCLOSE);
  103: #ifdef OPENSSL_SYS_VMS
  104:             {
  105:             BIO *tmpbio = BIO_new(BIO_f_linebuffer());
  106:             bio_out = BIO_push(tmpbio, bio_out);
  107:             }
  108: #endif
  109:         }
  110: 
  111:     if(hex)
  112:         BN_hex2bn(&bn,argv[0]);
  113:     else
  114:         BN_dec2bn(&bn,argv[0]);
  115: 
  116:     BN_print(bio_out,bn);
  117:     BIO_printf(bio_out," is %sprime\n",
  118:                BN_is_prime_ex(bn,checks,NULL,NULL) ? "" : "not ");
  119: 
  120:     BN_free(bn);
  121:     BIO_free_all(bio_out);
  122: 
  123:     return 0;
  124: 
  125:     bad:
  126:     BIO_printf(bio_err,"options are\n");
  127:     BIO_printf(bio_err,"%-14s hex\n","-hex");
  128:     BIO_printf(bio_err,"%-14s number of checks\n","-checks <n>");
  129:     return 1;
  130:     }