1 /* $OpenBSD: randtest.c,v 1.3 2018/07/17 17:06:49 tb Exp $ */ 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 62 #undef LIBRESSL_INTERNAL /* Needed to get RAND_pseudo_bytes(). */ 63 #include <openssl/rand.h> 64 65 /* some FIPS 140-1 random number test */ 66 /* some simple tests */ 67 68 int 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 d=0; 135 for (i=0; i<16; i++) 136 d+=n2[i]*n2[i]; 137 d=(d*8)/25-500000; 138 if (!((103 < d) && (d < 5740))) 139 { 140 printf("test 2 failed, X=%ld.%02ld\n",d/100L,d%100L); 141 err++; 142 } 143 printf("test 2 done\n"); 144 145 /* test 3 */ 146 for (i=0; i<2; i++) 147 { 148 if (!((2267 < runs[i][0]) && (runs[i][0] < 2733))) 149 { 150 printf("test 3 failed, bit=%d run=%d num=%lu\n", 151 i,1,runs[i][0]); 152 err++; 153 } 154 if (!((1079 < runs[i][1]) && (runs[i][1] < 1421))) 155 { 156 printf("test 3 failed, bit=%d run=%d num=%lu\n", 157 i,2,runs[i][1]); 158 err++; 159 } 160 if (!(( 502 < runs[i][2]) && (runs[i][2] < 748))) 161 { 162 printf("test 3 failed, bit=%d run=%d num=%lu\n", 163 i,3,runs[i][2]); 164 err++; 165 } 166 if (!(( 223 < runs[i][3]) && (runs[i][3] < 402))) 167 { 168 printf("test 3 failed, bit=%d run=%d num=%lu\n", 169 i,4,runs[i][3]); 170 err++; 171 } 172 if (!(( 90 < runs[i][4]) && (runs[i][4] < 223))) 173 { 174 printf("test 3 failed, bit=%d run=%d num=%lu\n", 175 i,5,runs[i][4]); 176 err++; 177 } 178 if (!(( 90 < runs[i][5]) && (runs[i][5] < 223))) 179 { 180 printf("test 3 failed, bit=%d run=%d num=%lu\n", 181 i,6,runs[i][5]); 182 err++; 183 } 184 } 185 printf("test 3 done\n"); 186 187 /* test 4 */ 188 if (runs[0][33] != 0) 189 { 190 printf("test 4 failed, bit=%d run=%d num=%lu\n", 191 0,34,runs[0][33]); 192 err++; 193 } 194 if (runs[1][33] != 0) 195 { 196 printf("test 4 failed, bit=%d run=%d num=%lu\n", 197 1,34,runs[1][33]); 198 err++; 199 } 200 printf("test 4 done\n"); 201 err: 202 err=((err)?1:0); 203 exit(err); 204 } 205