/* 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);
}