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 /* 76 * double d; 77 */ 78 long d; 79 80 i = RAND_pseudo_bytes(buf, 2500); 81 if (i < 0) { 82 printf("init failed, the rand method is not properly installed\n"); 83 err++; 84 goto err; 85 } 86 87 n1 = 0; 88 for (i = 0; i < 16; i++) 89 n2[i] = 0; 90 for (i = 0; i < 34; i++) 91 runs[0][i] = runs[1][i] = 0; 92 93 /* test 1 and 2 */ 94 sign = 0; 95 nsign = 0; 96 for (i = 0; i < 2500; i++) { 97 j = buf[i]; 98 99 n2[j & 0x0f]++; 100 n2[(j >> 4) & 0x0f]++; 101 102 for (k = 0; k < 8; k++) { 103 s = (j & 0x01); 104 if (s == sign) 105 nsign++; 106 else { 107 if (nsign > 34) 108 nsign = 34; 109 if (nsign != 0) { 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) 119 n1++; 120 j >>= 1; 121 } 122 } 123 if (nsign > 34) 124 nsign = 34; 125 if (nsign != 0) 126 runs[sign][nsign - 1]++; 127 128 /* test 1 */ 129 if (!((9654 < n1) && (n1 < 10346))) { 130 printf("test 1 failed, X=%lu\n", n1); 131 err++; 132 } 133 printf("test 1 done\n"); 134 135 /* test 2 */ 136#ifdef undef 137 d = 0; 138 for (i = 0; i < 16; i++) 139 d += n2[i] * n2[i]; 140 d = d * 16.0 / 5000.0 - 5000.0; 141 if (!((1.03 < d) && (d < 57.4))) { 142 printf("test 2 failed, X=%.2f\n", d); 143 err++; 144 } 145#endif 146 d = 0; 147 for (i = 0; i < 16; i++) 148 d += n2[i] * n2[i]; 149 d = (d * 8) / 25 - 500000; 150 if (!((103 < d) && (d < 5740))) { 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 if (!((2267 < runs[i][0]) && (runs[i][0] < 2733))) { 159 printf("test 3 failed, bit=%d run=%d num=%lu\n", 160 i, 1, runs[i][0]); 161 err++; 162 } 163 if (!((1079 < runs[i][1]) && (runs[i][1] < 1421))) { 164 printf("test 3 failed, bit=%d run=%d num=%lu\n", 165 i, 2, runs[i][1]); 166 err++; 167 } 168 if (!((502 < runs[i][2]) && (runs[i][2] < 748))) { 169 printf("test 3 failed, bit=%d run=%d num=%lu\n", 170 i, 3, runs[i][2]); 171 err++; 172 } 173 if (!((223 < runs[i][3]) && (runs[i][3] < 402))) { 174 printf("test 3 failed, bit=%d run=%d num=%lu\n", 175 i, 4, runs[i][3]); 176 err++; 177 } 178 if (!((90 < runs[i][4]) && (runs[i][4] < 223))) { 179 printf("test 3 failed, bit=%d run=%d num=%lu\n", 180 i, 5, runs[i][4]); 181 err++; 182 } 183 if (!((90 < runs[i][5]) && (runs[i][5] < 223))) { 184 printf("test 3 failed, bit=%d run=%d num=%lu\n", 185 i, 6, runs[i][5]); 186 err++; 187 } 188 } 189 printf("test 3 done\n"); 190 191 /* test 4 */ 192 if (runs[0][33] != 0) { 193 printf("test 4 failed, bit=%d run=%d num=%lu\n", 0, 34, runs[0][33]); 194 err++; 195 } 196 if (runs[1][33] != 0) { 197 printf("test 4 failed, bit=%d run=%d num=%lu\n", 1, 34, runs[1][33]); 198 err++; 199 } 200 printf("test 4 done\n"); 201 err: 202 err = ((err) ? 1 : 0); 203#ifdef OPENSSL_SYS_NETWARE 204 if (err) 205 printf("ERROR: %d\n", err); 206#endif 207 EXIT(err); 208 return (err); 209} 210