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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()
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 EXIT(err);
215 return(err);
216 }
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