1 /* crypto/dh/dhtest.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
63 #include "../bio/bss_file.c"
65 #include <openssl/crypto.h>
66 #include <openssl/bio.h>
67 #include <openssl/bn.h>
70 int main(int argc, char *argv[])
72 printf("No DH support\n");
76 #include <openssl/dh.h>
79 #define MS_CALLBACK _far _loadds
84 static void MS_CALLBACK cb(int p, int n, void *arg);
92 int main(int argc, char *argv[])
96 unsigned char *abuf=NULL,*bbuf=NULL;
97 int i,alen,blen,aout,bout,ret=1;
100 CRYPTO_malloc_init();
103 out=BIO_new(BIO_s_file());
104 if (out == NULL) exit(1);
105 BIO_set_fp(out,stdout,BIO_NOCLOSE);
107 a=DH_generate_parameters(64,DH_GENERATOR_5,cb,out);
108 if (a == NULL) goto err;
110 BIO_puts(out,"\np =");
112 BIO_puts(out,"\ng =");
117 if (b == NULL) goto err;
121 if ((b->p == NULL) || (b->g == NULL)) goto err;
123 if (!DH_generate_key(a)) goto err;
124 BIO_puts(out,"pri 1=");
125 BN_print(out,a->priv_key);
126 BIO_puts(out,"\npub 1=");
127 BN_print(out,a->pub_key);
130 if (!DH_generate_key(b)) goto err;
131 BIO_puts(out,"pri 2=");
132 BN_print(out,b->priv_key);
133 BIO_puts(out,"\npub 2=");
134 BN_print(out,b->pub_key);
138 abuf=(unsigned char *)Malloc(alen);
139 aout=DH_compute_key(abuf,b->pub_key,a);
141 BIO_puts(out,"key1 =");
142 for (i=0; i<aout; i++)
144 sprintf(buf,"%02X",abuf[i]);
150 bbuf=(unsigned char *)Malloc(blen);
151 bout=DH_compute_key(bbuf,a->pub_key,b);
153 BIO_puts(out,"key2 =");
154 for (i=0; i<bout; i++)
156 sprintf(buf,"%02X",bbuf[i]);
160 if ((aout < 4) || (bout != aout) || (memcmp(abuf,bbuf,aout) != 0))
162 fprintf(stderr,"Error in DH routines\n");
168 if (abuf != NULL) Free(abuf);
169 if (bbuf != NULL) Free(bbuf);
174 static void MS_CALLBACK cb(int p, int n, void *arg)
182 BIO_write((BIO *)arg,&c,1);
183 BIO_flush((BIO *)arg);