ref: 5ebb1a29d8250027e8b7f2287f3bfa3a6f3d13ac
dir: /sys/src/ape/lib/openssl/crypto/rand/randtest.c/
/* crypto/rand/randtest.c */ /* Copyright (C) 1995-1998 Eric Young ([email protected]) * All rights reserved. * * This package is an SSL implementation written * by Eric Young ([email protected]). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson ([email protected]). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by * Eric Young ([email protected])" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson ([email protected])" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ #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_pseudo_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 */ #ifdef undef d=0; for (i=0; i<16; i++) d+=n2[i]*n2[i]; d=d*16.0/5000.0-5000.0; if (!((1.03 < d) && (d < 57.4))) { printf("test 2 failed, X=%.2f\n",d); err++; } #endif 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); #ifdef OPENSSL_SYS_NETWARE if (err) printf("ERROR: %d\n", err); #endif EXIT(err); return(err); }