release/src/router/openssl/crypto/rand/randtest.c

   1 /* crypto/rand/randtest.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 #include <stdio.h>
  60 #include <stdlib.h>
  61 #include <openssl/rand.h>
  62
  63 #include "../e_os.h"
  64
  65 /* some FIPS 140-1 random number test */
  66 /* some simple tests */
  67
  68 int main(int argc, char **argv)
  69 {
  70     unsigned char buf[2500];
  71     int i, j, k, s, sign, nsign, err = 0;
  72     unsigned long n1;
  73     unsigned long n2[16];
  74     unsigned long runs[2][34];
  75     /*
  76      * double d;
  77      */
  78     long d;
  79
  80     i = RAND_pseudo_bytes(buf, 2500);
  81     if (i < 0) {
  82         printf("init failed, the rand method is not properly installed\n");
  83         err++;
  84         goto err;
  85     }
  86
  87     n1 = 0;
  88     for (i = 0; i < 16; i++)
  89         n2[i] = 0;
  90     for (i = 0; i < 34; i++)
  91         runs[0][i] = runs[1][i] = 0;
  92
  93     /* test 1 and 2 */
  94     sign = 0;
  95     nsign = 0;
  96     for (i = 0; i < 2500; i++) {
  97         j = buf[i];
  98
  99         n2[j & 0x0f]++;
 100         n2[(j >> 4) & 0x0f]++;
 101
 102         for (k = 0; k < 8; k++) {
 103             s = (j & 0x01);
 104             if (s == sign)
 105                 nsign++;
 106             else {
 107                 if (nsign > 34)
 108                     nsign = 34;
 109                 if (nsign != 0) {
 110                     runs[sign][nsign - 1]++;
 111                     if (nsign > 6)
 112                         runs[sign][5]++;
 113                 }
 114                 sign = s;
 115                 nsign = 1;
 116             }
 117
 118             if (s)
 119                 n1++;
 120             j >>= 1;
 121         }
 122     }
 123     if (nsign > 34)
 124         nsign = 34;
 125     if (nsign != 0)
 126         runs[sign][nsign - 1]++;
 127
 128     /* test 1 */
 129     if (!((9654 < n1) && (n1 < 10346))) {
 130         printf("test 1 failed, X=%lu\n", n1);
 131         err++;
 132     }
 133     printf("test 1 done\n");
 134
 135     /* test 2 */
 136 #ifdef undef
 137     d = 0;
 138     for (i = 0; i < 16; i++)
 139         d += n2[i] * n2[i];
 140     d = d * 16.0 / 5000.0 - 5000.0;
 141     if (!((1.03 < d) && (d < 57.4))) {
 142         printf("test 2 failed, X=%.2f\n", d);
 143         err++;
 144     }
 145 #endif
 146     d = 0;
 147     for (i = 0; i < 16; i++)
 148         d += n2[i] * n2[i];
 149     d = (d * 8) / 25 - 500000;
 150     if (!((103 < d) && (d < 5740))) {
 151         printf("test 2 failed, X=%ld.%02ld\n", d / 100L, d % 100L);
 152         err++;
 153     }
 154     printf("test 2 done\n");
 155
 156     /* test 3 */
 157     for (i = 0; i < 2; i++) {
 158         if (!((2267 < runs[i][0]) && (runs[i][0] < 2733))) {
 159             printf("test 3 failed, bit=%d run=%d num=%lu\n",
 160                    i, 1, runs[i][0]);
 161             err++;
 162         }
 163         if (!((1079 < runs[i][1]) && (runs[i][1] < 1421))) {
 164             printf("test 3 failed, bit=%d run=%d num=%lu\n",
 165                    i, 2, runs[i][1]);
 166             err++;
 167         }
 168         if (!((502 < runs[i][2]) && (runs[i][2] < 748))) {
 169             printf("test 3 failed, bit=%d run=%d num=%lu\n",
 170                    i, 3, runs[i][2]);
 171             err++;
 172         }
 173         if (!((223 < runs[i][3]) && (runs[i][3] < 402))) {
 174             printf("test 3 failed, bit=%d run=%d num=%lu\n",
 175                    i, 4, runs[i][3]);
 176             err++;
 177         }
 178         if (!((90 < runs[i][4]) && (runs[i][4] < 223))) {
 179             printf("test 3 failed, bit=%d run=%d num=%lu\n",
 180                    i, 5, runs[i][4]);
 181             err++;
 182         }
 183         if (!((90 < runs[i][5]) && (runs[i][5] < 223))) {
 184             printf("test 3 failed, bit=%d run=%d num=%lu\n",
 185                    i, 6, runs[i][5]);
 186             err++;
 187         }
 188     }
 189     printf("test 3 done\n");
 190
 191     /* test 4 */
 192     if (runs[0][33] != 0) {
 193         printf("test 4 failed, bit=%d run=%d num=%lu\n", 0, 34, runs[0][33]);
 194         err++;
 195     }
 196     if (runs[1][33] != 0) {
 197         printf("test 4 failed, bit=%d run=%d num=%lu\n", 1, 34, runs[1][33]);
 198         err++;
 199     }
 200     printf("test 4 done\n");
 201  err:
 202     err = ((err) ? 1 : 0);
 203 #ifdef OPENSSL_SYS_NETWARE
 204     if (err)
 205         printf("ERROR: %d\n", err);
 206 #endif
 207     EXIT(err);
 208     return (err);
 209 }