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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 | ||
e9224c71 GT |
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 | ||
d02b48c6 RE |
65 | #include <stdio.h> |
66 | #include <stdlib.h> | |
67 | #include <string.h> | |
55f78baf RL |
68 | |
69 | #include "../e_os.h" | |
70 | ||
ec577822 BM |
71 | #include <openssl/crypto.h> |
72 | #include <openssl/bio.h> | |
73 | #include <openssl/bn.h> | |
b0bb2b91 | 74 | #include <openssl/rand.h> |
cb78486d | 75 | #include <openssl/err.h> |
f5d7a031 | 76 | |
cf1b7d96 | 77 | #ifdef OPENSSL_NO_DH |
f5d7a031 UM |
78 | int main(int argc, char *argv[]) |
79 | { | |
80 | printf("No DH support\n"); | |
81 | return(0); | |
82 | } | |
83 | #else | |
ec577822 | 84 | #include <openssl/dh.h> |
d02b48c6 | 85 | |
bc36ee62 | 86 | #ifdef OPENSSL_SYS_WIN16 |
d02b48c6 RE |
87 | #define MS_CALLBACK _far _loadds |
88 | #else | |
89 | #define MS_CALLBACK | |
90 | #endif | |
91 | ||
b4f76582 | 92 | static void MS_CALLBACK cb(int p, int n, void *arg); |
d02b48c6 | 93 | |
7d388202 BM |
94 | static const char rnd_seed[] = "string to make the random number generator think it has entropy"; |
95 | ||
6b691a5c | 96 | int main(int argc, char *argv[]) |
d02b48c6 | 97 | { |
95fdc5ee BL |
98 | DH *a; |
99 | DH *b=NULL; | |
d02b48c6 RE |
100 | char buf[12]; |
101 | unsigned char *abuf=NULL,*bbuf=NULL; | |
102 | int i,alen,blen,aout,bout,ret=1; | |
79875776 | 103 | BIO *out; |
d02b48c6 | 104 | |
cb78486d GT |
105 | CRYPTO_malloc_debug_init(); |
106 | CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL); | |
107 | CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); | |
108 | ||
bc36ee62 | 109 | #ifdef OPENSSL_SYS_WIN32 |
d02b48c6 RE |
110 | CRYPTO_malloc_init(); |
111 | #endif | |
112 | ||
7d388202 BM |
113 | RAND_seed(rnd_seed, sizeof rnd_seed); |
114 | ||
d02b48c6 | 115 | out=BIO_new(BIO_s_file()); |
55f78baf | 116 | if (out == NULL) EXIT(1); |
d02b48c6 RE |
117 | BIO_set_fp(out,stdout,BIO_NOCLOSE); |
118 | ||
b4f76582 | 119 | a=DH_generate_parameters(64,DH_GENERATOR_5,cb,out); |
d02b48c6 RE |
120 | if (a == NULL) goto err; |
121 | ||
82652aaf BM |
122 | if (!DH_check(a, &i)) goto err; |
123 | if (i & DH_CHECK_P_NOT_PRIME) | |
124 | BIO_puts(out, "p value is not prime\n"); | |
125 | if (i & DH_CHECK_P_NOT_SAFE_PRIME) | |
126 | BIO_puts(out, "p value is not a safe prime\n"); | |
127 | if (i & DH_UNABLE_TO_CHECK_GENERATOR) | |
128 | BIO_puts(out, "unable to check the generator value\n"); | |
129 | if (i & DH_NOT_SUITABLE_GENERATOR) | |
130 | BIO_puts(out, "the g value is not a generator\n"); | |
131 | ||
d02b48c6 RE |
132 | BIO_puts(out,"\np ="); |
133 | BN_print(out,a->p); | |
134 | BIO_puts(out,"\ng ="); | |
135 | BN_print(out,a->g); | |
136 | BIO_puts(out,"\n"); | |
137 | ||
138 | b=DH_new(); | |
139 | if (b == NULL) goto err; | |
140 | ||
141 | b->p=BN_dup(a->p); | |
142 | b->g=BN_dup(a->g); | |
143 | if ((b->p == NULL) || (b->g == NULL)) goto err; | |
144 | ||
145 | if (!DH_generate_key(a)) goto err; | |
146 | BIO_puts(out,"pri 1="); | |
147 | BN_print(out,a->priv_key); | |
148 | BIO_puts(out,"\npub 1="); | |
149 | BN_print(out,a->pub_key); | |
150 | BIO_puts(out,"\n"); | |
151 | ||
152 | if (!DH_generate_key(b)) goto err; | |
153 | BIO_puts(out,"pri 2="); | |
154 | BN_print(out,b->priv_key); | |
155 | BIO_puts(out,"\npub 2="); | |
156 | BN_print(out,b->pub_key); | |
157 | BIO_puts(out,"\n"); | |
158 | ||
159 | alen=DH_size(a); | |
26a3a48d | 160 | abuf=(unsigned char *)OPENSSL_malloc(alen); |
d02b48c6 RE |
161 | aout=DH_compute_key(abuf,b->pub_key,a); |
162 | ||
163 | BIO_puts(out,"key1 ="); | |
164 | for (i=0; i<aout; i++) | |
165 | { | |
166 | sprintf(buf,"%02X",abuf[i]); | |
167 | BIO_puts(out,buf); | |
168 | } | |
169 | BIO_puts(out,"\n"); | |
170 | ||
171 | blen=DH_size(b); | |
26a3a48d | 172 | bbuf=(unsigned char *)OPENSSL_malloc(blen); |
d02b48c6 RE |
173 | bout=DH_compute_key(bbuf,a->pub_key,b); |
174 | ||
175 | BIO_puts(out,"key2 ="); | |
176 | for (i=0; i<bout; i++) | |
177 | { | |
178 | sprintf(buf,"%02X",bbuf[i]); | |
179 | BIO_puts(out,buf); | |
180 | } | |
181 | BIO_puts(out,"\n"); | |
182 | if ((aout < 4) || (bout != aout) || (memcmp(abuf,bbuf,aout) != 0)) | |
183 | { | |
184 | fprintf(stderr,"Error in DH routines\n"); | |
185 | ret=1; | |
186 | } | |
187 | else | |
188 | ret=0; | |
189 | err: | |
82652aaf BM |
190 | ERR_print_errors_fp(stderr); |
191 | ||
26a3a48d RL |
192 | if (abuf != NULL) OPENSSL_free(abuf); |
193 | if (bbuf != NULL) OPENSSL_free(bbuf); | |
79875776 BM |
194 | if(b != NULL) DH_free(b); |
195 | if(a != NULL) DH_free(a); | |
196 | BIO_free(out); | |
cb78486d GT |
197 | CRYPTO_cleanup_all_ex_data(); |
198 | ERR_remove_state(0); | |
199 | CRYPTO_mem_leaks_fp(stderr); | |
55f78baf | 200 | EXIT(ret); |
d02b48c6 RE |
201 | return(ret); |
202 | } | |
203 | ||
b4f76582 | 204 | static void MS_CALLBACK cb(int p, int n, void *arg) |
d02b48c6 RE |
205 | { |
206 | char c='*'; | |
207 | ||
208 | if (p == 0) c='.'; | |
209 | if (p == 1) c='+'; | |
210 | if (p == 2) c='*'; | |
211 | if (p == 3) c='\n'; | |
58964a49 | 212 | BIO_write((BIO *)arg,&c,1); |
e0f12c41 | 213 | (void)BIO_flush((BIO *)arg); |
d02b48c6 RE |
214 | #ifdef LINT |
215 | p=n; | |
216 | #endif | |
217 | } | |
f5d7a031 | 218 | #endif |