1/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
7 *
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to.  The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
14 *
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 *    notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 *    notice, this list of conditions and the following disclaimer in the
29 *    documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 *    must display the following acknowledgement:
32 *    "This product includes cryptographic software written by
33 *     Eric Young (eay@cryptsoft.com)"
34 *    The word 'cryptographic' can be left out if the rouines from the library
35 *    being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 *    the apps directory (application code) you must include an acknowledgement:
38 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed.  i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
56 *
57 * The DSS routines are based on patches supplied by
58 * Steven Schoch <schoch@sheba.arc.nasa.gov>. */
59
60#include <openssl/dsa.h>
61
62#include <openssl/bio.h>
63#include <openssl/bn.h>
64#include <openssl/crypto.h>
65
66#include "internal.h"
67
68
69static int dsa_cb(int p, int n, BN_GENCB *arg);
70
71/* seed, out_p, out_q, out_g are taken from the updated Appendix 5 to
72 * FIPS PUB 186 and also appear in Appendix 5 to FIPS PIB 186-1 */
73static unsigned char seed[20] = {0xd5, 0x01, 0x4e, 0x4b, 0x60, 0xef, 0x2b,
74                                 0xa8, 0xb6, 0x21, 0x1b, 0x40, 0x62, 0xba,
75                                 0x32, 0x24, 0xe0, 0x42, 0x7d, 0xd3, };
76
77static unsigned char out_p[] = {
78    0x8d, 0xf2, 0xa4, 0x94, 0x49, 0x22, 0x76, 0xaa, 0x3d, 0x25, 0x75,
79    0x9b, 0xb0, 0x68, 0x69, 0xcb, 0xea, 0xc0, 0xd8, 0x3a, 0xfb, 0x8d,
80    0x0c, 0xf7, 0xcb, 0xb8, 0x32, 0x4f, 0x0d, 0x78, 0x82, 0xe5, 0xd0,
81    0x76, 0x2f, 0xc5, 0xb7, 0x21, 0x0e, 0xaf, 0xc2, 0xe9, 0xad, 0xac,
82    0x32, 0xab, 0x7a, 0xac, 0x49, 0x69, 0x3d, 0xfb, 0xf8, 0x37, 0x24,
83    0xc2, 0xec, 0x07, 0x36, 0xee, 0x31, 0xc8, 0x02, 0x91, };
84
85static unsigned char out_q[] = {0xc7, 0x73, 0x21, 0x8c, 0x73, 0x7e, 0xc8,
86                                0xee, 0x99, 0x3b, 0x4f, 0x2d, 0xed, 0x30,
87                                0xf4, 0x8e, 0xda, 0xce, 0x91, 0x5f, };
88
89static unsigned char out_g[] = {
90    0x62, 0x6d, 0x02, 0x78, 0x39, 0xea, 0x0a, 0x13, 0x41, 0x31, 0x63,
91    0xa5, 0x5b, 0x4c, 0xb5, 0x00, 0x29, 0x9d, 0x55, 0x22, 0x95, 0x6c,
92    0xef, 0xcb, 0x3b, 0xff, 0x10, 0xf3, 0x99, 0xce, 0x2c, 0x2e, 0x71,
93    0xcb, 0x9d, 0xe5, 0xfa, 0x24, 0xba, 0xbf, 0x58, 0xe5, 0xb7, 0x95,
94    0x21, 0x92, 0x5c, 0x9c, 0xc4, 0x2e, 0x9f, 0x6f, 0x46, 0x4b, 0x08,
95    0x8c, 0xc5, 0x72, 0xaf, 0x53, 0xe6, 0xd7, 0x88, 0x02, };
96
97static const uint8_t str1[]="12345678901234567890";
98
99static BIO *bio_err = NULL;
100static BIO *bio_out = NULL;
101
102int main(int argc, char **argv) {
103  BN_GENCB cb;
104  DSA *dsa = NULL;
105  int counter, ok = 0, i, j;
106  unsigned char buf[256];
107  unsigned long h;
108  unsigned char sig[256];
109  unsigned int siglen;
110
111  CRYPTO_library_init();
112
113  bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
114  bio_out = BIO_new_fp(stdout, BIO_NOCLOSE);
115
116  BIO_printf(bio_out, "test generation of DSA parameters\n");
117
118  BN_GENCB_set(&cb, dsa_cb, bio_out);
119  dsa = DSA_new();
120  if (dsa == NULL ||
121      !DSA_generate_parameters_ex(dsa, 512, seed, 20, &counter, &h, &cb)) {
122    goto end;
123  }
124
125  BIO_printf(bio_out, "seed\n");
126  for (i = 0; i < 20; i += 4) {
127    BIO_printf(bio_out, "%02X%02X%02X%02X ", seed[i], seed[i + 1], seed[i + 2],
128               seed[i + 3]);
129  }
130  BIO_printf(bio_out, "\ncounter=%d h=%ld\n", counter, h);
131
132  if (counter != 105) {
133    BIO_printf(bio_err, "counter should be 105\n");
134    goto end;
135  }
136  if (h != 2) {
137    BIO_printf(bio_err, "h should be 2\n");
138    goto end;
139  }
140
141  i = BN_bn2bin(dsa->q, buf);
142  j = sizeof(out_q);
143  if (i != j || memcmp(buf, out_q, i) != 0) {
144    BIO_printf(bio_err, "q value is wrong\n");
145    goto end;
146  }
147
148  i = BN_bn2bin(dsa->p, buf);
149  j = sizeof(out_p);
150  if (i != j || memcmp(buf, out_p, i) != 0) {
151    BIO_printf(bio_err, "p value is wrong\n");
152    goto end;
153  }
154
155  i = BN_bn2bin(dsa->g, buf);
156  j = sizeof(out_g);
157  if (i != j || memcmp(buf, out_g, i) != 0) {
158    BIO_printf(bio_err, "g value is wrong\n");
159    goto end;
160  }
161
162  DSA_generate_key(dsa);
163  DSA_sign(0, str1, 20, sig, &siglen, dsa);
164  if (DSA_verify(0, str1, 20, sig, siglen, dsa) == 1) {
165    ok = 1;
166  } else {
167    BIO_printf(bio_err, "verification failure\n");
168  }
169
170end:
171  if (!ok) {
172    BIO_print_errors(bio_err);
173  }
174  if (dsa != NULL) {
175    DSA_free(dsa);
176  }
177
178  BIO_free(bio_err);
179  BIO_free(bio_out);
180
181  if (ok) {
182    printf("PASS\n");
183  }
184
185  return ok == 1 ? 0 : 1;
186}
187
188static int dsa_cb(int p, int n, BN_GENCB *arg) {
189  char c = '*';
190  static int ok = 0, num = 0;
191
192  switch (p) {
193  case 0:
194    c = '.';
195    num++;
196    break;
197  case 1:
198    c = '+';
199    break;
200  case 2:
201    c = '*';
202    ok++;
203    break;
204  case 3:
205    c = '\n';
206  }
207
208  BIO_write(arg->arg, &c, 1);
209  (void)BIO_flush(arg->arg);
210
211  if (!ok && p == 0 && num > 1) {
212    BIO_printf((BIO *)arg, "error in dsatest\n");
213    return 0;
214  }
215
216  return 1;
217}
218