/* crypto/rc4/rc4speed.c */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * 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 (tjh@cryptsoft.com). * * 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 (eay@cryptsoft.com)" * 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 (tjh@cryptsoft.com)" * * 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.] */ /* 11-Sep-92 Andrew Daviel Support for Silicon Graphics IRIX added */ /* 06-Apr-92 Luke Brennan Support for VMS and add extra signal calls */ #if !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX) # define TIMES #endif #include #include #include OPENSSL_UNISTD_IO OPENSSL_DECLARE_EXIT #ifndef OPENSSL_SYS_NETWARE # include #endif #ifndef _IRIX # include #endif #ifdef TIMES # include # include #endif /* * Depending on the VMS version, the tms structure is perhaps defined. * The __TMS macro will show if it was. If it wasn't defined, we should * undefine TIMES, since that tells the rest of the program how things * should be handled. -- Richard Levitte */ #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS) # undef TIMES #endif #ifndef TIMES # include #endif #if defined(sun) || defined(__ultrix) # define _POSIX_SOURCE # include # include #endif #include /* The following if from times(3) man page. It may need to be changed */ #ifndef HZ # ifndef CLK_TCK # define HZ 100.0 # else /* CLK_TCK */ # define HZ ((double)CLK_TCK) # endif #endif #define BUFSIZE ((long)1024) long run = 0; double Time_F(int s); #ifdef SIGALRM # if defined(__STDC__) || defined(sgi) || defined(_AIX) # define SIGRETTYPE void # else # define SIGRETTYPE int # endif SIGRETTYPE sig_done(int sig); SIGRETTYPE sig_done(int sig) { signal(SIGALRM, sig_done); run = 0; # ifdef LINT sig = sig; # endif } #endif #define START 0 #define STOP 1 double Time_F(int s) { double ret; #ifdef TIMES static struct tms tstart, tend; if (s == START) { times(&tstart); return (0); } else { times(&tend); ret = ((double)(tend.tms_utime - tstart.tms_utime)) / HZ; return ((ret == 0.0) ? 1e-6 : ret); } #else /* !times() */ static struct timeb tstart, tend; long i; if (s == START) { ftime(&tstart); return (0); } else { ftime(&tend); i = (long)tend.millitm - (long)tstart.millitm; ret = ((double)(tend.time - tstart.time)) + ((double)i) / 1e3; return ((ret == 0.0) ? 1e-6 : ret); } #endif } int main(int argc, char **argv) { long count; static unsigned char buf[BUFSIZE]; static unsigned char key[] = { 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, }; RC4_KEY sch; double a, b, c, d; #ifndef SIGALRM long ca, cb, cc; #endif #ifndef TIMES printf("To get the most accurate results, try to run this\n"); printf("program when this computer is idle.\n"); #endif #ifndef SIGALRM printf("First we calculate the approximate speed ...\n"); RC4_set_key(&sch, 16, key); count = 10; do { long i; unsigned long data[2]; count *= 2; Time_F(START); for (i = count; i; i--) RC4(&sch, 8, buf, buf); d = Time_F(STOP); } while (d < 3.0); ca = count / 512; cc = count * 8 / BUFSIZE + 1; printf("Doing RC4_set_key %ld times\n", ca); # define COND(d) (count != (d)) # define COUNT(d) (d) #else # define COND(c) (run) # define COUNT(d) (count) signal(SIGALRM, sig_done); printf("Doing RC4_set_key for 10 seconds\n"); alarm(10); #endif Time_F(START); for (count = 0, run = 1; COND(ca); count += 4) { RC4_set_key(&sch, 16, key); RC4_set_key(&sch, 16, key); RC4_set_key(&sch, 16, key); RC4_set_key(&sch, 16, key); } d = Time_F(STOP); printf("%ld RC4_set_key's in %.2f seconds\n", count, d); a = ((double)COUNT(ca)) / d; #ifdef SIGALRM printf("Doing RC4 on %ld byte blocks for 10 seconds\n", BUFSIZE); alarm(10); #else printf("Doing RC4 %ld times on %ld byte blocks\n", cc, BUFSIZE); #endif Time_F(START); for (count = 0, run = 1; COND(cc); count++) RC4(&sch, BUFSIZE, buf, buf); d = Time_F(STOP); printf("%ld RC4's of %ld byte blocks in %.2f second\n", count, BUFSIZE, d); c = ((double)COUNT(cc) * BUFSIZE) / d; printf("RC4 set_key per sec = %12.2f (%9.3fuS)\n", a, 1.0e6 / a); printf("RC4 bytes per sec = %12.2f (%9.3fuS)\n", c, 8.0e6 / c); exit(0); #if defined(LINT) || defined(OPENSSL_SYS_MSDOS) return (0); #endif }