LCOV - code coverage report
Current view: top level - home/mbr/git/openssl.git/test - randtest.c (source / functions) Hit Total Coverage
Test: lcov_coverage_final.info Lines: 42 63 66.7 %
Date: 2014-08-02 Functions: 1 1 100.0 %
Branches: 34 48 70.8 %

           Branch data     Line data    Source code
       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                 :          1 : int main(int argc,char **argv)
      69                 :            :         {
      70                 :            :         unsigned char buf[2500];
      71                 :          1 :         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                 :          1 :         i = RAND_pseudo_bytes(buf,2500);
      79         [ +  - ]:          1 :         if (i < 0)
      80                 :            :                 {
      81                 :            :                 printf ("init failed, the rand method is not properly installed\n");
      82                 :          0 :                 err++;
      83                 :          0 :                 goto err;
      84                 :            :                 }
      85                 :            : 
      86                 :            :         n1=0;
      87         [ +  + ]:         17 :         for (i=0; i<16; i++) n2[i]=0;
      88         [ +  + ]:         35 :         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         [ +  + ]:       2501 :         for (i=0; i<2500; i++)
      94                 :            :                 {
      95                 :       2500 :                 j=buf[i];
      96                 :            : 
      97                 :       2500 :                 n2[j&0x0f]++;
      98                 :       2500 :                 n2[(j>>4)&0x0f]++;
      99                 :            : 
     100         [ +  + ]:      22500 :                 for (k=0; k<8; k++)
     101                 :            :                         {
     102                 :      20000 :                         s=(j&0x01);
     103         [ +  + ]:      20000 :                         if (s == sign)
     104                 :      10045 :                                 nsign++;
     105                 :            :                         else
     106                 :            :                                 {
     107         [ -  + ]:       9955 :                                 if (nsign > 34) nsign=34;
     108         [ +  + ]:       9955 :                                 if (nsign != 0)
     109                 :            :                                         {
     110                 :       9954 :                                         runs[sign][nsign-1]++;
     111         [ +  + ]:       9954 :                                         if (nsign > 6)
     112                 :        157 :                                                 runs[sign][5]++;
     113                 :            :                                         }
     114                 :       9955 :                                 sign=s;
     115                 :       9955 :                                 nsign=1;
     116                 :            :                                 }
     117                 :            : 
     118         [ +  + ]:      20000 :                         if (s) n1++;
     119                 :      20000 :                         j>>=1;
     120                 :            :                         }
     121                 :            :                 }
     122         [ -  + ]:          1 :                 if (nsign > 34) nsign=34;
     123         [ +  - ]:          1 :                 if (nsign != 0) runs[sign][nsign-1]++;
     124                 :            : 
     125                 :            :         /* test 1 */
     126         [ -  + ]:          1 :         if (!((9654 < n1) && (n1 < 10346)))
     127                 :            :                 {
     128                 :            :                 printf("test 1 failed, X=%lu\n",n1);
     129                 :          0 :                 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                 :          1 :         d=0;
     146         [ +  + ]:         17 :         for (i=0; i<16; i++)
     147                 :         16 :                 d+=n2[i]*n2[i];
     148                 :          1 :         d=(d*8)/25-500000;
     149         [ -  + ]:          1 :         if (!((103 < d) && (d < 5740)))
     150                 :            :                 {
     151                 :          0 :                 printf("test 2 failed, X=%ld.%02ld\n",d/100L,d%100L);
     152                 :          0 :                 err++;
     153                 :            :                 }
     154                 :            :         printf("test 2 done\n");
     155                 :            : 
     156                 :            :         /* test 3 */
     157         [ +  + ]:          3 :         for (i=0; i<2; i++)
     158                 :            :                 {
     159         [ -  + ]:          2 :                 if (!((2267 < runs[i][0]) && (runs[i][0] < 2733)))
     160                 :            :                         {
     161                 :          0 :                         printf("test 3 failed, bit=%d run=%d num=%lu\n",
     162                 :            :                                 i,1,runs[i][0]);
     163                 :          0 :                         err++;
     164                 :            :                         }
     165         [ -  + ]:          2 :                 if (!((1079 < runs[i][1]) && (runs[i][1] < 1421)))
     166                 :            :                         {
     167                 :          0 :                         printf("test 3 failed, bit=%d run=%d num=%lu\n",
     168                 :            :                                 i,2,runs[i][1]);
     169                 :          0 :                         err++;
     170                 :            :                         }
     171         [ -  + ]:          2 :                 if (!(( 502 < runs[i][2]) && (runs[i][2] <  748)))
     172                 :            :                         {
     173                 :          0 :                         printf("test 3 failed, bit=%d run=%d num=%lu\n",
     174                 :            :                                 i,3,runs[i][2]);
     175                 :          0 :                         err++;
     176                 :            :                         }
     177         [ -  + ]:          2 :                 if (!(( 223 < runs[i][3]) && (runs[i][3] <  402)))
     178                 :            :                         {
     179                 :          0 :                         printf("test 3 failed, bit=%d run=%d num=%lu\n",
     180                 :            :                                 i,4,runs[i][3]);
     181                 :          0 :                         err++;
     182                 :            :                         }
     183         [ -  + ]:          2 :                 if (!((  90 < runs[i][4]) && (runs[i][4] <  223)))
     184                 :            :                         {
     185                 :          0 :                         printf("test 3 failed, bit=%d run=%d num=%lu\n",
     186                 :            :                                 i,5,runs[i][4]);
     187                 :          0 :                         err++;
     188                 :            :                         }
     189         [ -  + ]:          2 :                 if (!((  90 < runs[i][5]) && (runs[i][5] <  223)))
     190                 :            :                         {
     191                 :          0 :                         printf("test 3 failed, bit=%d run=%d num=%lu\n",
     192                 :            :                                 i,6,runs[i][5]);
     193                 :          0 :                         err++;
     194                 :            :                         }
     195                 :            :                 }
     196                 :            :         printf("test 3 done\n");
     197                 :            :         
     198                 :            :         /* test 4 */
     199         [ -  + ]:          1 :         if (runs[0][33] != 0)
     200                 :            :                 {
     201                 :          0 :                 printf("test 4 failed, bit=%d run=%d num=%lu\n",
     202                 :            :                         0,34,runs[0][33]);
     203                 :          0 :                 err++;
     204                 :            :                 }
     205         [ -  + ]:          1 :         if (runs[1][33] != 0)
     206                 :            :                 {
     207                 :          0 :                 printf("test 4 failed, bit=%d run=%d num=%lu\n",
     208                 :            :                         1,34,runs[1][33]);
     209                 :          0 :                 err++;
     210                 :            :                 }
     211                 :            :         printf("test 4 done\n");
     212                 :            :  err:
     213                 :          1 :         err=((err)?1:0);
     214                 :            : #ifdef OPENSSL_SYS_NETWARE
     215                 :            :     if (err) printf("ERROR: %d\n", err);
     216                 :            : #endif
     217                 :          1 :         EXIT(err);
     218                 :            :         return(err);
     219                 :            :         }

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