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| Current File : //usr/src/crypto/openssl/crypto/rand/randtest.c |
/* crypto/rand/randtest.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include <stdio.h>
#include <stdlib.h>
#include <openssl/rand.h>
#include "../e_os.h"
/* some FIPS 140-1 random number test */
/* some simple tests */
int main(int argc,char **argv)
{
unsigned char buf[2500];
int i,j,k,s,sign,nsign,err=0;
unsigned long n1;
unsigned long n2[16];
unsigned long runs[2][34];
/*double d; */
long d;
i = RAND_pseudo_bytes(buf,2500);
if (i < 0)
{
printf ("init failed, the rand method is not properly installed\n");
err++;
goto err;
}
n1=0;
for (i=0; i<16; i++) n2[i]=0;
for (i=0; i<34; i++) runs[0][i]=runs[1][i]=0;
/* test 1 and 2 */
sign=0;
nsign=0;
for (i=0; i<2500; i++)
{
j=buf[i];
n2[j&0x0f]++;
n2[(j>>4)&0x0f]++;
for (k=0; k<8; k++)
{
s=(j&0x01);
if (s == sign)
nsign++;
else
{
if (nsign > 34) nsign=34;
if (nsign != 0)
{
runs[sign][nsign-1]++;
if (nsign > 6)
runs[sign][5]++;
}
sign=s;
nsign=1;
}
if (s) n1++;
j>>=1;
}
}
if (nsign > 34) nsign=34;
if (nsign != 0) runs[sign][nsign-1]++;
/* test 1 */
if (!((9654 < n1) && (n1 < 10346)))
{
printf("test 1 failed, X=%lu\n",n1);
err++;
}
printf("test 1 done\n");
/* test 2 */
#ifdef undef
d=0;
for (i=0; i<16; i++)
d+=n2[i]*n2[i];
d=d*16.0/5000.0-5000.0;
if (!((1.03 < d) && (d < 57.4)))
{
printf("test 2 failed, X=%.2f\n",d);
err++;
}
#endif
d=0;
for (i=0; i<16; i++)
d+=n2[i]*n2[i];
d=(d*8)/25-500000;
if (!((103 < d) && (d < 5740)))
{
printf("test 2 failed, X=%ld.%02ld\n",d/100L,d%100L);
err++;
}
printf("test 2 done\n");
/* test 3 */
for (i=0; i<2; i++)
{
if (!((2267 < runs[i][0]) && (runs[i][0] < 2733)))
{
printf("test 3 failed, bit=%d run=%d num=%lu\n",
i,1,runs[i][0]);
err++;
}
if (!((1079 < runs[i][1]) && (runs[i][1] < 1421)))
{
printf("test 3 failed, bit=%d run=%d num=%lu\n",
i,2,runs[i][1]);
err++;
}
if (!(( 502 < runs[i][2]) && (runs[i][2] < 748)))
{
printf("test 3 failed, bit=%d run=%d num=%lu\n",
i,3,runs[i][2]);
err++;
}
if (!(( 223 < runs[i][3]) && (runs[i][3] < 402)))
{
printf("test 3 failed, bit=%d run=%d num=%lu\n",
i,4,runs[i][3]);
err++;
}
if (!(( 90 < runs[i][4]) && (runs[i][4] < 223)))
{
printf("test 3 failed, bit=%d run=%d num=%lu\n",
i,5,runs[i][4]);
err++;
}
if (!(( 90 < runs[i][5]) && (runs[i][5] < 223)))
{
printf("test 3 failed, bit=%d run=%d num=%lu\n",
i,6,runs[i][5]);
err++;
}
}
printf("test 3 done\n");
/* test 4 */
if (runs[0][33] != 0)
{
printf("test 4 failed, bit=%d run=%d num=%lu\n",
0,34,runs[0][33]);
err++;
}
if (runs[1][33] != 0)
{
printf("test 4 failed, bit=%d run=%d num=%lu\n",
1,34,runs[1][33]);
err++;
}
printf("test 4 done\n");
err:
err=((err)?1:0);
#ifdef OPENSSL_SYS_NETWARE
if (err) printf("ERROR: %d\n", err);
#endif
EXIT(err);
return(err);
}