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d02b48c6 | 1 | /* crypto/dh/dhtest.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
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 <stdlib.h> | |
61 | #include <string.h> | |
58964a49 RE |
62 | #ifdef WINDOWS |
63 | #include "../bio/bss_file.c" | |
d02b48c6 | 64 | #endif |
ec577822 BM |
65 | #include <openssl/crypto.h> |
66 | #include <openssl/bio.h> | |
67 | #include <openssl/bn.h> | |
b0bb2b91 | 68 | #include <openssl/rand.h> |
f5d7a031 | 69 | |
cf1b7d96 | 70 | #ifdef OPENSSL_NO_DH |
f5d7a031 UM |
71 | int main(int argc, char *argv[]) |
72 | { | |
73 | printf("No DH support\n"); | |
74 | return(0); | |
75 | } | |
76 | #else | |
ec577822 | 77 | #include <openssl/dh.h> |
d02b48c6 RE |
78 | |
79 | #ifdef WIN16 | |
80 | #define MS_CALLBACK _far _loadds | |
81 | #else | |
82 | #define MS_CALLBACK | |
83 | #endif | |
84 | ||
b4f76582 | 85 | static void MS_CALLBACK cb(int p, int n, void *arg); |
cf1b7d96 | 86 | #ifdef OPENSSL_NO_STDIO |
d02b48c6 | 87 | #define APPS_WIN16 |
58964a49 | 88 | #include "bss_file.c" |
d02b48c6 RE |
89 | #endif |
90 | ||
7d388202 BM |
91 | static const char rnd_seed[] = "string to make the random number generator think it has entropy"; |
92 | ||
6b691a5c | 93 | int main(int argc, char *argv[]) |
d02b48c6 | 94 | { |
95fdc5ee BL |
95 | DH *a; |
96 | DH *b=NULL; | |
d02b48c6 RE |
97 | char buf[12]; |
98 | unsigned char *abuf=NULL,*bbuf=NULL; | |
99 | int i,alen,blen,aout,bout,ret=1; | |
79875776 | 100 | BIO *out; |
d02b48c6 RE |
101 | |
102 | #ifdef WIN32 | |
103 | CRYPTO_malloc_init(); | |
104 | #endif | |
105 | ||
7d388202 BM |
106 | RAND_seed(rnd_seed, sizeof rnd_seed); |
107 | ||
d02b48c6 RE |
108 | out=BIO_new(BIO_s_file()); |
109 | if (out == NULL) exit(1); | |
110 | BIO_set_fp(out,stdout,BIO_NOCLOSE); | |
111 | ||
b4f76582 | 112 | a=DH_generate_parameters(64,DH_GENERATOR_5,cb,out); |
d02b48c6 RE |
113 | if (a == NULL) goto err; |
114 | ||
115 | BIO_puts(out,"\np ="); | |
116 | BN_print(out,a->p); | |
117 | BIO_puts(out,"\ng ="); | |
118 | BN_print(out,a->g); | |
119 | BIO_puts(out,"\n"); | |
120 | ||
121 | b=DH_new(); | |
122 | if (b == NULL) goto err; | |
123 | ||
124 | b->p=BN_dup(a->p); | |
125 | b->g=BN_dup(a->g); | |
126 | if ((b->p == NULL) || (b->g == NULL)) goto err; | |
127 | ||
128 | if (!DH_generate_key(a)) goto err; | |
129 | BIO_puts(out,"pri 1="); | |
130 | BN_print(out,a->priv_key); | |
131 | BIO_puts(out,"\npub 1="); | |
132 | BN_print(out,a->pub_key); | |
133 | BIO_puts(out,"\n"); | |
134 | ||
135 | if (!DH_generate_key(b)) goto err; | |
136 | BIO_puts(out,"pri 2="); | |
137 | BN_print(out,b->priv_key); | |
138 | BIO_puts(out,"\npub 2="); | |
139 | BN_print(out,b->pub_key); | |
140 | BIO_puts(out,"\n"); | |
141 | ||
142 | alen=DH_size(a); | |
26a3a48d | 143 | abuf=(unsigned char *)OPENSSL_malloc(alen); |
d02b48c6 RE |
144 | aout=DH_compute_key(abuf,b->pub_key,a); |
145 | ||
146 | BIO_puts(out,"key1 ="); | |
147 | for (i=0; i<aout; i++) | |
148 | { | |
149 | sprintf(buf,"%02X",abuf[i]); | |
150 | BIO_puts(out,buf); | |
151 | } | |
152 | BIO_puts(out,"\n"); | |
153 | ||
154 | blen=DH_size(b); | |
26a3a48d | 155 | bbuf=(unsigned char *)OPENSSL_malloc(blen); |
d02b48c6 RE |
156 | bout=DH_compute_key(bbuf,a->pub_key,b); |
157 | ||
158 | BIO_puts(out,"key2 ="); | |
159 | for (i=0; i<bout; i++) | |
160 | { | |
161 | sprintf(buf,"%02X",bbuf[i]); | |
162 | BIO_puts(out,buf); | |
163 | } | |
164 | BIO_puts(out,"\n"); | |
165 | if ((aout < 4) || (bout != aout) || (memcmp(abuf,bbuf,aout) != 0)) | |
166 | { | |
167 | fprintf(stderr,"Error in DH routines\n"); | |
168 | ret=1; | |
169 | } | |
170 | else | |
171 | ret=0; | |
172 | err: | |
26a3a48d RL |
173 | if (abuf != NULL) OPENSSL_free(abuf); |
174 | if (bbuf != NULL) OPENSSL_free(bbuf); | |
79875776 BM |
175 | if(b != NULL) DH_free(b); |
176 | if(a != NULL) DH_free(a); | |
177 | BIO_free(out); | |
d02b48c6 RE |
178 | exit(ret); |
179 | return(ret); | |
180 | } | |
181 | ||
b4f76582 | 182 | static void MS_CALLBACK cb(int p, int n, void *arg) |
d02b48c6 RE |
183 | { |
184 | char c='*'; | |
185 | ||
186 | if (p == 0) c='.'; | |
187 | if (p == 1) c='+'; | |
188 | if (p == 2) c='*'; | |
189 | if (p == 3) c='\n'; | |
58964a49 | 190 | BIO_write((BIO *)arg,&c,1); |
e0f12c41 | 191 | (void)BIO_flush((BIO *)arg); |
d02b48c6 RE |
192 | #ifdef LINT |
193 | p=n; | |
194 | #endif | |
195 | } | |
f5d7a031 | 196 | #endif |