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
68int 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	}
220