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         /*double d; */
  76         long d;
  77
  78         i = RAND_pseudo_bytes(buf,2500);
  79         if (i < 0)
  80                 {
  81                 printf ("init failed, the rand method is not properly installed\n");
  82                 err++;
  83                 goto err;
  84                 }
  85
  86         n1=0;
  87         for (i=0; i<16; i++) n2[i]=0;
  88         for (i=0; i<34; i++) runs[0][i]=runs[1][i]=0;
  89
  90         /* test 1 and 2 */
  91         sign=0;
  92         nsign=0;
  93         for (i=0; i<2500; i++)
  94                 {
  95                 j=buf[i];
  96
  97                 n2[j&0x0f]++;
  98                 n2[(j>>4)&0x0f]++;
  99
 100                 for (k=0; k<8; k++)
 101                         {
 102                         s=(j&0x01);
 103                         if (s == sign)
 104                                 nsign++;
 105                         else
 106                                 {
 107                                 if (nsign > 34) nsign=34;
 108                                 if (nsign != 0)
 109                                         {
 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) n1++;
 119                         j>>=1;
 120                         }
 121                 }
 122                 if (nsign > 34) nsign=34;
 123                 if (nsign != 0) runs[sign][nsign-1]++;
 124
 125         /* test 1 */
 126         if (!((9654 < n1) && (n1 < 10346)))
 127                 {
 128                 printf("test 1 failed, X=%lu\n",n1);
 129                 err++;
 130                 }
 131         printf("test 1 done\n");
 132
 133         /* test 2 */
 134 #ifdef undef
 135         d=0;
 136         for (i=0; i<16; i++)
 137                 d+=n2[i]*n2[i];
 138         d=d*16.0/5000.0-5000.0;
 139         if (!((1.03 < d) && (d < 57.4)))
 140                 {
 141                 printf("test 2 failed, X=%.2f\n",d);
 142                 err++;
 143                 }
 144 #endif
 145         d=0;
 146         for (i=0; i<16; i++)
 147                 d+=n2[i]*n2[i];
 148         d=(d*8)/25-500000;
 149         if (!((103 < d) && (d < 5740)))
 150                 {
 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                 {
 159                 if (!((2267 < runs[i][0]) && (runs[i][0] < 2733)))
 160                         {
 161                         printf("test 3 failed, bit=%d run=%d num=%lu\n",
 162                                 i,1,runs[i][0]);
 163                         err++;
 164                         }
 165                 if (!((1079 < runs[i][1]) && (runs[i][1] < 1421)))
 166                         {
 167                         printf("test 3 failed, bit=%d run=%d num=%lu\n",
 168                                 i,2,runs[i][1]);
 169                         err++;
 170                         }
 171                 if (!(( 502 < runs[i][2]) && (runs[i][2] <  748)))
 172                         {
 173                         printf("test 3 failed, bit=%d run=%d num=%lu\n",
 174                                 i,3,runs[i][2]);
 175                         err++;
 176                         }
 177                 if (!(( 223 < runs[i][3]) && (runs[i][3] <  402)))
 178                         {
 179                         printf("test 3 failed, bit=%d run=%d num=%lu\n",
 180                                 i,4,runs[i][3]);
 181                         err++;
 182                         }
 183                 if (!((  90 < runs[i][4]) && (runs[i][4] <  223)))
 184                         {
 185                         printf("test 3 failed, bit=%d run=%d num=%lu\n",
 186                                 i,5,runs[i][4]);
 187                         err++;
 188                         }
 189                 if (!((  90 < runs[i][5]) && (runs[i][5] <  223)))
 190                         {
 191                         printf("test 3 failed, bit=%d run=%d num=%lu\n",
 192                                 i,6,runs[i][5]);
 193                         err++;
 194                         }
 195                 }
 196         printf("test 3 done\n");
 197
 198         /* test 4 */
 199         if (runs[0][33] != 0)
 200                 {
 201                 printf("test 4 failed, bit=%d run=%d num=%lu\n",
 202                         0,34,runs[0][33]);
 203                 err++;
 204                 }
 205         if (runs[1][33] != 0)
 206                 {
 207                 printf("test 4 failed, bit=%d run=%d num=%lu\n",
 208                         1,34,runs[1][33]);
 209                 err++;
 210                 }
 211         printf("test 4 done\n");
 212  err:
 213         err=((err)?1:0);
 214 #ifdef OPENSSL_SYS_NETWARE
 215     if (err) printf("ERROR: %d\n", err);
 216 #endif
 217         EXIT(err);
 218         return(err);
 219         }