dsagen.c revision 296465
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 72unsigned 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 81int 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 97main() 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} 116