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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 RE |
64 | #endif |
65 | #include "crypto.h" | |
66 | #include "bio.h" | |
67 | #include "bn.h" | |
68 | #include "dh.h" | |
69 | ||
70 | #ifdef WIN16 | |
71 | #define MS_CALLBACK _far _loadds | |
72 | #else | |
73 | #define MS_CALLBACK | |
74 | #endif | |
75 | ||
76 | #ifndef NOPROTO | |
58964a49 | 77 | static void MS_CALLBACK cb(int p, int n, char *arg); |
d02b48c6 RE |
78 | #else |
79 | static void MS_CALLBACK cb(); | |
80 | #endif | |
81 | ||
58964a49 | 82 | #ifdef NO_STDIO |
d02b48c6 | 83 | #define APPS_WIN16 |
58964a49 | 84 | #include "bss_file.c" |
d02b48c6 RE |
85 | #endif |
86 | ||
87 | BIO *out=NULL; | |
88 | ||
89 | int main(argc,argv) | |
90 | int argc; | |
91 | char *argv[]; | |
92 | { | |
93 | DH *a,*b; | |
94 | char buf[12]; | |
95 | unsigned char *abuf=NULL,*bbuf=NULL; | |
96 | int i,alen,blen,aout,bout,ret=1; | |
97 | ||
98 | #ifdef WIN32 | |
99 | CRYPTO_malloc_init(); | |
100 | #endif | |
101 | ||
102 | out=BIO_new(BIO_s_file()); | |
103 | if (out == NULL) exit(1); | |
104 | BIO_set_fp(out,stdout,BIO_NOCLOSE); | |
105 | ||
58964a49 | 106 | a=DH_generate_parameters(64,DH_GENERATOR_5,cb,(char *)out); |
d02b48c6 RE |
107 | if (a == NULL) goto err; |
108 | ||
109 | BIO_puts(out,"\np ="); | |
110 | BN_print(out,a->p); | |
111 | BIO_puts(out,"\ng ="); | |
112 | BN_print(out,a->g); | |
113 | BIO_puts(out,"\n"); | |
114 | ||
115 | b=DH_new(); | |
116 | if (b == NULL) goto err; | |
117 | ||
118 | b->p=BN_dup(a->p); | |
119 | b->g=BN_dup(a->g); | |
120 | if ((b->p == NULL) || (b->g == NULL)) goto err; | |
121 | ||
122 | if (!DH_generate_key(a)) goto err; | |
123 | BIO_puts(out,"pri 1="); | |
124 | BN_print(out,a->priv_key); | |
125 | BIO_puts(out,"\npub 1="); | |
126 | BN_print(out,a->pub_key); | |
127 | BIO_puts(out,"\n"); | |
128 | ||
129 | if (!DH_generate_key(b)) goto err; | |
130 | BIO_puts(out,"pri 2="); | |
131 | BN_print(out,b->priv_key); | |
132 | BIO_puts(out,"\npub 2="); | |
133 | BN_print(out,b->pub_key); | |
134 | BIO_puts(out,"\n"); | |
135 | ||
136 | alen=DH_size(a); | |
137 | abuf=(unsigned char *)Malloc(alen); | |
138 | aout=DH_compute_key(abuf,b->pub_key,a); | |
139 | ||
140 | BIO_puts(out,"key1 ="); | |
141 | for (i=0; i<aout; i++) | |
142 | { | |
143 | sprintf(buf,"%02X",abuf[i]); | |
144 | BIO_puts(out,buf); | |
145 | } | |
146 | BIO_puts(out,"\n"); | |
147 | ||
148 | blen=DH_size(b); | |
149 | bbuf=(unsigned char *)Malloc(blen); | |
150 | bout=DH_compute_key(bbuf,a->pub_key,b); | |
151 | ||
152 | BIO_puts(out,"key2 ="); | |
153 | for (i=0; i<bout; i++) | |
154 | { | |
155 | sprintf(buf,"%02X",bbuf[i]); | |
156 | BIO_puts(out,buf); | |
157 | } | |
158 | BIO_puts(out,"\n"); | |
159 | if ((aout < 4) || (bout != aout) || (memcmp(abuf,bbuf,aout) != 0)) | |
160 | { | |
161 | fprintf(stderr,"Error in DH routines\n"); | |
162 | ret=1; | |
163 | } | |
164 | else | |
165 | ret=0; | |
166 | err: | |
167 | if (abuf != NULL) Free(abuf); | |
168 | if (bbuf != NULL) Free(bbuf); | |
169 | exit(ret); | |
170 | return(ret); | |
171 | } | |
172 | ||
58964a49 | 173 | static void MS_CALLBACK cb(p, n,arg) |
d02b48c6 RE |
174 | int p; |
175 | int n; | |
58964a49 | 176 | char *arg; |
d02b48c6 RE |
177 | { |
178 | char c='*'; | |
179 | ||
180 | if (p == 0) c='.'; | |
181 | if (p == 1) c='+'; | |
182 | if (p == 2) c='*'; | |
183 | if (p == 3) c='\n'; | |
58964a49 | 184 | BIO_write((BIO *)arg,&c,1); |
d02b48c6 RE |
185 | #ifdef LINT |
186 | p=n; | |
187 | #endif | |
188 | } |