crypto/openssl-0.9.7e/crypto/dsa/dsagen.c

   1 /* crypto/dsa/dsagen.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 #include <stdio.h>
  60 #include <openssl/dsa.h>
  61
  62 #define TEST
  63 #define GENUINE_DSA
  64
  65 #ifdef GENUINE_DSA
  66 #define LAST_VALUE 0xbd
  67 #else
  68 #define LAST_VALUE 0xd3
  69 #endif
  70
  71 #ifdef TEST
  72 unsigned char seed[20]={
  73         0xd5,0x01,0x4e,0x4b,
  74         0x60,0xef,0x2b,0xa8,
  75         0xb6,0x21,0x1b,0x40,
  76         0x62,0xba,0x32,0x24,
  77         0xe0,0x42,0x7d,LAST_VALUE};
  78 #endif
  79
  80 int cb(int p, int n)
  81         {
  82         char c='*';
  83
  84         if (p == 0) c='.';
  85         if (p == 1) c='+';
  86         if (p == 2) c='*';
  87         if (p == 3) c='\n';
  88         printf("%c",c);
  89         fflush(stdout);
  90         }
  91
  92 main()
  93         {
  94         int i;
  95         BIGNUM *n;
  96         BN_CTX *ctx;
  97         unsigned char seed_buf[20];
  98         DSA *dsa;
  99         int counter,h;
 100         BIO *bio_err=NULL;
 101
 102         if (bio_err == NULL)
 103                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 104
 105         memcpy(seed_buf,seed,20);
 106         dsa=DSA_generate_parameters(1024,seed,20,&counter,&h,cb,bio_err);
 107
 108         if (dsa == NULL)
 109                 DSA_print(bio_err,dsa,0);
 110         }
 111