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diff --git a/src/lib/libcrypto/dh/dhtest.c b/src/lib/libcrypto/dh/dhtest.c
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1/* crypto/dh/dhtest.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/* Until the key-gen callbacks are modified to use newer prototypes, we allow
60 * deprecated functions for openssl-internal code */
61#ifdef OPENSSL_NO_DEPRECATED
62#undef OPENSSL_NO_DEPRECATED
63#endif
64
65#include <stdio.h>
66#include <stdlib.h>
67#include <string.h>
68
69#include "../e_os.h"
70
71#include <openssl/crypto.h>
72#include <openssl/bio.h>
73#include <openssl/bn.h>
74#include <openssl/rand.h>
75#include <openssl/err.h>
76
77#ifdef OPENSSL_NO_DH
78int main(int argc, char *argv[])
79{
80 printf("No DH support\n");
81 return(0);
82}
83#else
84#include <openssl/dh.h>
85
86#ifdef OPENSSL_SYS_WIN16
87#define MS_CALLBACK _far _loadds
88#else
89#define MS_CALLBACK
90#endif
91
92static int MS_CALLBACK cb(int p, int n, BN_GENCB *arg);
93
94static const char rnd_seed[] = "string to make the random number generator think it has entropy";
95
96int main(int argc, char *argv[])
97 {
98 BN_GENCB _cb;
99 DH *a;
100 DH *b=NULL;
101 char buf[12];
102 unsigned char *abuf=NULL,*bbuf=NULL;
103 int i,alen,blen,aout,bout,ret=1;
104 BIO *out;
105
106 CRYPTO_malloc_debug_init();
107 CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL);
108 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
109
110#ifdef OPENSSL_SYS_WIN32
111 CRYPTO_malloc_init();
112#endif
113
114 RAND_seed(rnd_seed, sizeof rnd_seed);
115
116 out=BIO_new(BIO_s_file());
117 if (out == NULL) EXIT(1);
118 BIO_set_fp(out,stdout,BIO_NOCLOSE);
119
120 BN_GENCB_set(&_cb, &cb, out);
121 if(((a = DH_new()) == NULL) || !DH_generate_parameters_ex(a, 64,
122 DH_GENERATOR_5, &_cb))
123 goto err;
124
125 if (!DH_check(a, &i)) goto err;
126 if (i & DH_CHECK_P_NOT_PRIME)
127 BIO_puts(out, "p value is not prime\n");
128 if (i & DH_CHECK_P_NOT_SAFE_PRIME)
129 BIO_puts(out, "p value is not a safe prime\n");
130 if (i & DH_UNABLE_TO_CHECK_GENERATOR)
131 BIO_puts(out, "unable to check the generator value\n");
132 if (i & DH_NOT_SUITABLE_GENERATOR)
133 BIO_puts(out, "the g value is not a generator\n");
134
135 BIO_puts(out,"\np =");
136 BN_print(out,a->p);
137 BIO_puts(out,"\ng =");
138 BN_print(out,a->g);
139 BIO_puts(out,"\n");
140
141 b=DH_new();
142 if (b == NULL) goto err;
143
144 b->p=BN_dup(a->p);
145 b->g=BN_dup(a->g);
146 if ((b->p == NULL) || (b->g == NULL)) goto err;
147
148 /* Set a to run with normal modexp and b to use constant time */
149 a->flags &= ~DH_FLAG_NO_EXP_CONSTTIME;
150 b->flags |= DH_FLAG_NO_EXP_CONSTTIME;
151
152 if (!DH_generate_key(a)) goto err;
153 BIO_puts(out,"pri 1=");
154 BN_print(out,a->priv_key);
155 BIO_puts(out,"\npub 1=");
156 BN_print(out,a->pub_key);
157 BIO_puts(out,"\n");
158
159 if (!DH_generate_key(b)) goto err;
160 BIO_puts(out,"pri 2=");
161 BN_print(out,b->priv_key);
162 BIO_puts(out,"\npub 2=");
163 BN_print(out,b->pub_key);
164 BIO_puts(out,"\n");
165
166 alen=DH_size(a);
167 abuf=(unsigned char *)OPENSSL_malloc(alen);
168 aout=DH_compute_key(abuf,b->pub_key,a);
169
170 BIO_puts(out,"key1 =");
171 for (i=0; i<aout; i++)
172 {
173 sprintf(buf,"%02X",abuf[i]);
174 BIO_puts(out,buf);
175 }
176 BIO_puts(out,"\n");
177
178 blen=DH_size(b);
179 bbuf=(unsigned char *)OPENSSL_malloc(blen);
180 bout=DH_compute_key(bbuf,a->pub_key,b);
181
182 BIO_puts(out,"key2 =");
183 for (i=0; i<bout; i++)
184 {
185 sprintf(buf,"%02X",bbuf[i]);
186 BIO_puts(out,buf);
187 }
188 BIO_puts(out,"\n");
189 if ((aout < 4) || (bout != aout) || (memcmp(abuf,bbuf,aout) != 0))
190 {
191 fprintf(stderr,"Error in DH routines\n");
192 ret=1;
193 }
194 else
195 ret=0;
196err:
197 ERR_print_errors_fp(stderr);
198
199 if (abuf != NULL) OPENSSL_free(abuf);
200 if (bbuf != NULL) OPENSSL_free(bbuf);
201 if(b != NULL) DH_free(b);
202 if(a != NULL) DH_free(a);
203 BIO_free(out);
204#ifdef OPENSSL_SYS_NETWARE
205 if (ret) printf("ERROR: %d\n", ret);
206#endif
207 EXIT(ret);
208 return(ret);
209 }
210
211static int MS_CALLBACK cb(int p, int n, BN_GENCB *arg)
212 {
213 char c='*';
214
215 if (p == 0) c='.';
216 if (p == 1) c='+';
217 if (p == 2) c='*';
218 if (p == 3) c='\n';
219 BIO_write(arg->arg,&c,1);
220 (void)BIO_flush(arg->arg);
221#ifdef LINT
222 p=n;
223#endif
224 return 1;
225 }
226#endif
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