test/dsatest.c

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