dsagen.c revision 256281
1289177Speter/* crypto/dsa/dsagen.c */ 2289177Speter/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3289177Speter * All rights reserved. 4289177Speter * 5289177Speter * This package is an SSL implementation written 6289177Speter * by Eric Young (eay@cryptsoft.com). 7289177Speter * The implementation was written so as to conform with Netscapes SSL. 8289177Speter * 9289177Speter * This library is free for commercial and non-commercial use as long as 10289177Speter * the following conditions are aheared to. The following conditions 11289177Speter * apply to all code found in this distribution, be it the RC4, RSA, 12289177Speter * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13289177Speter * included with this distribution is covered by the same copyright terms 14289177Speter * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15289177Speter * 16289177Speter * Copyright remains Eric Young's, and as such any Copyright notices in 17289177Speter * the code are not to be removed. 18289177Speter * If this package is used in a product, Eric Young should be given attribution 19289177Speter * as the author of the parts of the library used. 20289177Speter * This can be in the form of a textual message at program startup or 21289177Speter * in documentation (online or textual) provided with the package. 22289177Speter * 23289177Speter * Redistribution and use in source and binary forms, with or without 24289177Speter * modification, are permitted provided that the following conditions 25289177Speter * are met: 26289177Speter * 1. Redistributions of source code must retain the copyright 27289177Speter * notice, this list of conditions and the following disclaimer. 28289177Speter * 2. Redistributions in binary form must reproduce the above copyright 29289177Speter * notice, this list of conditions and the following disclaimer in the 30289177Speter * documentation and/or other materials provided with the distribution. 31289177Speter * 3. All advertising materials mentioning features or use of this software 32289177Speter * must display the following acknowledgement: 33289177Speter * "This product includes cryptographic software written by 34289177Speter * Eric Young (eay@cryptsoft.com)" 35289177Speter * The word 'cryptographic' can be left out if the rouines from the library 36289177Speter * being used are not cryptographic related :-). 37289177Speter * 4. If you include any Windows specific code (or a derivative thereof) from 38289177Speter * the apps directory (application code) you must include an acknowledgement: 39289177Speter * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40289177Speter * 41289177Speter * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42289177Speter * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43289177Speter * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44289177Speter * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45289177Speter * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46289177Speter * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47289177Speter * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48289177Speter * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49289177Speter * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50289177Speter * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51289177Speter * SUCH DAMAGE. 52289177Speter * 53289177Speter * The licence and distribution terms for any publically available version or 54289177Speter * derivative of this code cannot be changed. i.e. this code cannot simply be 55289177Speter * copied and put under another distribution licence 56289177Speter * [including the GNU Public Licence.] 57289177Speter */ 58289177Speter 59289177Speter#include <stdio.h> 60289177Speter#include <openssl/dsa.h> 61289177Speter 62289177Speter#define TEST 63289177Speter#define GENUINE_DSA 64289177Speter 65289177Speter#ifdef GENUINE_DSA 66289177Speter#define LAST_VALUE 0xbd 67289177Speter#else 68289177Speter#define LAST_VALUE 0xd3 69289177Speter#endif 70289177Speter 71289177Speter#ifdef TEST 72362181Sdimunsigned char seed[20]={ 73289177Speter 0xd5,0x01,0x4e,0x4b, 74289177Speter 0x60,0xef,0x2b,0xa8, 75289177Speter 0xb6,0x21,0x1b,0x40, 76362181Sdim 0x62,0xba,0x32,0x24, 77289177Speter 0xe0,0x42,0x7d,LAST_VALUE}; 78289177Speter#endif 79362181Sdim 80362181Sdimint cb(int p, int n) 81289177Speter { 82289177Speter char c='*'; 83289177Speter 84289177Speter if (p == 0) c='.'; 85289177Speter if (p == 1) c='+'; 86362181Sdim if (p == 2) c='*'; 87289177Speter if (p == 3) c='\n'; 88289177Speter printf("%c",c); 89289177Speter fflush(stdout); 90289177Speter } 91289177Speter 92289177Spetermain() 93289177Speter { 94289177Speter int i; 95289177Speter BIGNUM *n; 96289177Speter BN_CTX *ctx; 97289177Speter unsigned char seed_buf[20]; 98289177Speter DSA *dsa; 99289177Speter int counter,h; 100289177Speter BIO *bio_err=NULL; 101289177Speter 102289177Speter if (bio_err == NULL) 103289177Speter bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 104289177Speter 105289177Speter memcpy(seed_buf,seed,20); 106289177Speter dsa=DSA_generate_parameters(1024,seed,20,&counter,&h,cb,bio_err); 107289177Speter 108289177Speter if (dsa == NULL) 109289177Speter DSA_print(bio_err,dsa,0); 110289177Speter } 111289177Speter 112289177Speter