dsatest.c revision 296465 
1/* crypto/dsa/dsatest.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/*
60 * Until the key-gen callbacks are modified to use newer prototypes, we allow
61 * deprecated functions for openssl-internal code
62 */
63#ifdef OPENSSL_NO_DEPRECATED
64# undef OPENSSL_NO_DEPRECATED
65#endif
66
67#include <stdio.h>
68#include <stdlib.h>
69#include <string.h>
70#include <sys/types.h>
71#include <sys/stat.h>
72
73#include "../e_os.h"
74
75#include <openssl/crypto.h>
76#include <openssl/rand.h>
77#include <openssl/bio.h>
78#include <openssl/err.h>
79#include <openssl/bn.h>
80
81#ifdef OPENSSL_NO_DSA
82int main(int argc, char *argv[])
83{
84    printf("No DSA support\n");
85    return (0);
86}
87#else
88# include <openssl/dsa.h>
89
90# ifdef OPENSSL_SYS_WIN16
91#  define MS_CALLBACK     _far _loadds
92# else
93#  define MS_CALLBACK
94# endif
95
96static int MS_CALLBACK dsa_cb(int p, int n, BN_GENCB *arg);
97
98/*
99 * seed, out_p, out_q, out_g are taken from the updated Appendix 5 to FIPS
100 * PUB 186 and also appear in Appendix 5 to FIPS PIB 186-1
101 */
102static unsigned char seed[20] = {
103    0xd5, 0x01, 0x4e, 0x4b, 0x60, 0xef, 0x2b, 0xa8, 0xb6, 0x21, 0x1b, 0x40,
104    0x62, 0xba, 0x32, 0x24, 0xe0, 0x42, 0x7d, 0xd3,
105};
106
107static unsigned char out_p[] = {
108    0x8d, 0xf2, 0xa4, 0x94, 0x49, 0x22, 0x76, 0xaa,
109    0x3d, 0x25, 0x75, 0x9b, 0xb0, 0x68, 0x69, 0xcb,
110    0xea, 0xc0, 0xd8, 0x3a, 0xfb, 0x8d, 0x0c, 0xf7,
111    0xcb, 0xb8, 0x32, 0x4f, 0x0d, 0x78, 0x82, 0xe5,
112    0xd0, 0x76, 0x2f, 0xc5, 0xb7, 0x21, 0x0e, 0xaf,
113    0xc2, 0xe9, 0xad, 0xac, 0x32, 0xab, 0x7a, 0xac,
114    0x49, 0x69, 0x3d, 0xfb, 0xf8, 0x37, 0x24, 0xc2,
115    0xec, 0x07, 0x36, 0xee, 0x31, 0xc8, 0x02, 0x91,
116};
117
118static unsigned char out_q[] = {
119    0xc7, 0x73, 0x21, 0x8c, 0x73, 0x7e, 0xc8, 0xee,
120    0x99, 0x3b, 0x4f, 0x2d, 0xed, 0x30, 0xf4, 0x8e,
121    0xda, 0xce, 0x91, 0x5f,
122};
123
124static unsigned char out_g[] = {
125    0x62, 0x6d, 0x02, 0x78, 0x39, 0xea, 0x0a, 0x13,
126    0x41, 0x31, 0x63, 0xa5, 0x5b, 0x4c, 0xb5, 0x00,
127    0x29, 0x9d, 0x55, 0x22, 0x95, 0x6c, 0xef, 0xcb,
128    0x3b, 0xff, 0x10, 0xf3, 0x99, 0xce, 0x2c, 0x2e,
129    0x71, 0xcb, 0x9d, 0xe5, 0xfa, 0x24, 0xba, 0xbf,
130    0x58, 0xe5, 0xb7, 0x95, 0x21, 0x92, 0x5c, 0x9c,
131    0xc4, 0x2e, 0x9f, 0x6f, 0x46, 0x4b, 0x08, 0x8c,
132    0xc5, 0x72, 0xaf, 0x53, 0xe6, 0xd7, 0x88, 0x02,
133};
134
135static const unsigned char str1[] = "12345678901234567890";
136
137static const char rnd_seed[] =
138    "string to make the random number generator think it has entropy";
139
140static BIO *bio_err = NULL;
141
142int main(int argc, char **argv)
143{
144    BN_GENCB cb;
145    DSA *dsa = NULL;
146    int counter, ret = 0, i, j;
147    unsigned char buf[256];
148    unsigned long h;
149    unsigned char sig[256];
150    unsigned int siglen;
151
152    if (bio_err == NULL)
153        bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
154
155    CRYPTO_malloc_debug_init();
156    CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL);
157    CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
158
159    ERR_load_crypto_strings();
160    RAND_seed(rnd_seed, sizeof rnd_seed);
161
162    BIO_printf(bio_err, "test generation of DSA parameters\n");
163
164    BN_GENCB_set(&cb, dsa_cb, bio_err);
165    if (((dsa = DSA_new()) == NULL) || !DSA_generate_parameters_ex(dsa, 512,
166                                                                   seed, 20,
167                                                                   &counter,
168                                                                   &h, &cb))
169        goto end;
170
171    BIO_printf(bio_err, "seed\n");
172    for (i = 0; i < 20; i += 4) {
173        BIO_printf(bio_err, "%02X%02X%02X%02X ",
174                   seed[i], seed[i + 1], seed[i + 2], seed[i + 3]);
175    }
176    BIO_printf(bio_err, "\ncounter=%d h=%ld\n", counter, h);
177
178    if (dsa == NULL)
179        goto end;
180    DSA_print(bio_err, dsa, 0);
181    if (counter != 105) {
182        BIO_printf(bio_err, "counter should be 105\n");
183        goto end;
184    }
185    if (h != 2) {
186        BIO_printf(bio_err, "h should be 2\n");
187        goto end;
188    }
189
190    i = BN_bn2bin(dsa->q, buf);
191    j = sizeof(out_q);
192    if ((i != j) || (memcmp(buf, out_q, i) != 0)) {
193        BIO_printf(bio_err, "q value is wrong\n");
194        goto end;
195    }
196
197    i = BN_bn2bin(dsa->p, buf);
198    j = sizeof(out_p);
199    if ((i != j) || (memcmp(buf, out_p, i) != 0)) {
200        BIO_printf(bio_err, "p value is wrong\n");
201        goto end;
202    }
203
204    i = BN_bn2bin(dsa->g, buf);
205    j = sizeof(out_g);
206    if ((i != j) || (memcmp(buf, out_g, i) != 0)) {
207        BIO_printf(bio_err, "g value is wrong\n");
208        goto end;
209    }
210
211    dsa->flags |= DSA_FLAG_NO_EXP_CONSTTIME;
212    DSA_generate_key(dsa);
213    DSA_sign(0, str1, 20, sig, &siglen, dsa);
214    if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1)
215        ret = 1;
216
217    dsa->flags &= ~DSA_FLAG_NO_EXP_CONSTTIME;
218    DSA_generate_key(dsa);
219    DSA_sign(0, str1, 20, sig, &siglen, dsa);
220    if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1)
221        ret = 1;
222
223 end:
224    if (!ret)
225        ERR_print_errors(bio_err);
226    if (dsa != NULL)
227        DSA_free(dsa);
228    CRYPTO_cleanup_all_ex_data();
229    ERR_remove_state(0);
230    ERR_free_strings();
231    CRYPTO_mem_leaks(bio_err);
232    if (bio_err != NULL) {
233        BIO_free(bio_err);
234        bio_err = NULL;
235    }
236# ifdef OPENSSL_SYS_NETWARE
237    if (!ret)
238        printf("ERROR\n");
239# endif
240    EXIT(!ret);
241    return (0);
242}
243
244static int MS_CALLBACK dsa_cb(int p, int n, BN_GENCB *arg)
245{
246    char c = '*';
247    static int ok = 0, num = 0;
248
249    if (p == 0) {
250        c = '.';
251        num++;
252    };
253    if (p == 1)
254        c = '+';
255    if (p == 2) {
256        c = '*';
257        ok++;
258    }
259    if (p == 3)
260        c = '\n';
261    BIO_write(arg->arg, &c, 1);
262    (void)BIO_flush(arg->arg);
263
264    if (!ok && (p == 0) && (num > 1)) {
265        BIO_printf((BIO *)arg, "error in dsatest\n");
266        return 0;
267    }
268    return 1;
269}
270#endif
271