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 };
  79 #endif
  80
  81 int cb(int p, int n)
  82 {
  83     char c = '*';
  84
  85     if (p == 0)
  86         c = '.';
  87     if (p == 1)
  88         c = '+';
  89     if (p == 2)
  90         c = '*';
  91     if (p == 3)
  92         c = '\n';
  93     printf("%c", c);
  94     fflush(stdout);
  95 }
  96
  97 main()
  98 {
  99     int i;
 100     BIGNUM *n;
 101     BN_CTX *ctx;
 102     unsigned char seed_buf[20];
 103     DSA *dsa;
 104     int counter, h;
 105     BIO *bio_err = NULL;
 106
 107     if (bio_err == NULL)
 108         bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
 109
 110     memcpy(seed_buf, seed, 20);
 111     dsa = DSA_generate_parameters(1024, seed, 20, &counter, &h, cb, bio_err);
 112
 113     if (dsa == NULL)
 114         DSA_print(bio_err, dsa, 0);
 115 }