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/*
* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#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_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 */
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);
EXIT(err);
}
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