bf_opts.c revision 280304
1/* crypto/bf/bf_opts.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/* 60 * define PART1, PART2, PART3 or PART4 to build only with a few of the 61 * options. This is for machines with 64k code segment size restrictions. 62 */ 63 64#if !defined(OPENSSL_SYS_MSDOS) && (!defined(OPENSSL_SYS_VMS) || defined(__DECC)) && !defined(OPENSSL_SYS_MACOSX) 65# define TIMES 66#endif 67 68#include <stdio.h> 69 70#include <openssl/e_os2.h> 71#include OPENSSL_UNISTD_IO 72OPENSSL_DECLARE_EXIT 73#ifndef OPENSSL_SYS_NETWARE 74# include <signal.h> 75#endif 76#ifndef _IRIX 77# include <time.h> 78#endif 79#ifdef TIMES 80# include <sys/types.h> 81# include <sys/times.h> 82#endif 83 /* 84 * Depending on the VMS version, the tms structure is perhaps defined. 85 * The __TMS macro will show if it was. If it wasn't defined, we should 86 * undefine TIMES, since that tells the rest of the program how things 87 * should be handled. -- Richard Levitte 88 */ 89#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__TMS) 90# undef TIMES 91#endif 92#ifndef TIMES 93# include <sys/timeb.h> 94#endif 95#if defined(sun) || defined(__ultrix) 96# define _POSIX_SOURCE 97# include <limits.h> 98# include <sys/param.h> 99#endif 100#include <openssl/blowfish.h> 101#define BF_DEFAULT_OPTIONS 102#undef BF_ENC 103#define BF_encrypt BF_encrypt_normal 104#undef HEADER_BF_LOCL_H 105#include "bf_enc.c" 106#define BF_PTR 107#undef BF_PTR2 108#undef BF_ENC 109#undef BF_encrypt 110#define BF_encrypt BF_encrypt_ptr 111#undef HEADER_BF_LOCL_H 112#include "bf_enc.c" 113#undef BF_PTR 114#define BF_PTR2 115#undef BF_ENC 116#undef BF_encrypt 117#define BF_encrypt BF_encrypt_ptr2 118#undef HEADER_BF_LOCL_H 119#include "bf_enc.c" 120/* The following if from times(3) man page. It may need to be changed */ 121#ifndef HZ 122# ifndef CLK_TCK 123# ifndef _BSD_CLK_TCK_ /* FreeBSD fix */ 124# define HZ 100.0 125# else /* _BSD_CLK_TCK_ */ 126# define HZ ((double)_BSD_CLK_TCK_) 127# endif 128# else /* CLK_TCK */ 129# define HZ ((double)CLK_TCK) 130# endif 131#endif 132#define BUFSIZE ((long)1024) 133long run = 0; 134 135double Time_F(int s); 136#ifdef SIGALRM 137# if defined(__STDC__) || defined(sgi) 138# define SIGRETTYPE void 139# else 140# define SIGRETTYPE int 141# endif 142 143SIGRETTYPE sig_done(int sig); 144SIGRETTYPE sig_done(int sig) 145{ 146 signal(SIGALRM, sig_done); 147 run = 0; 148# ifdef LINT 149 sig = sig; 150# endif 151} 152#endif 153 154#define START 0 155#define STOP 1 156 157double Time_F(int s) 158{ 159 double ret; 160#ifdef TIMES 161 static struct tms tstart, tend; 162 163 if (s == START) { 164 times(&tstart); 165 return (0); 166 } else { 167 times(&tend); 168 ret = ((double)(tend.tms_utime - tstart.tms_utime)) / HZ; 169 return ((ret == 0.0) ? 1e-6 : ret); 170 } 171#else /* !times() */ 172 static struct timeb tstart, tend; 173 long i; 174 175 if (s == START) { 176 ftime(&tstart); 177 return (0); 178 } else { 179 ftime(&tend); 180 i = (long)tend.millitm - (long)tstart.millitm; 181 ret = ((double)(tend.time - tstart.time)) + ((double)i) / 1000.0; 182 return ((ret == 0.0) ? 1e-6 : ret); 183 } 184#endif 185} 186 187#ifdef SIGALRM 188# define print_name(name) fprintf(stderr,"Doing %s's for 10 seconds\n",name); alarm(10); 189#else 190# define print_name(name) fprintf(stderr,"Doing %s %ld times\n",name,cb); 191#endif 192 193#define time_it(func,name,index) \ 194 print_name(name); \ 195 Time_F(START); \ 196 for (count=0,run=1; COND(cb); count+=4) \ 197 { \ 198 unsigned long d[2]; \ 199 func(d,&sch); \ 200 func(d,&sch); \ 201 func(d,&sch); \ 202 func(d,&sch); \ 203 } \ 204 tm[index]=Time_F(STOP); \ 205 fprintf(stderr,"%ld %s's in %.2f second\n",count,name,tm[index]); \ 206 tm[index]=((double)COUNT(cb))/tm[index]; 207 208#define print_it(name,index) \ 209 fprintf(stderr,"%s bytes per sec = %12.2f (%5.1fuS)\n",name, \ 210 tm[index]*8,1.0e6/tm[index]); 211 212int main(int argc, char **argv) 213{ 214 long count; 215 static unsigned char buf[BUFSIZE]; 216 static char key[16] = { 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 217 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0 218 }; 219 BF_KEY sch; 220 double d, tm[16], max = 0; 221 int rank[16]; 222 char *str[16]; 223 int max_idx = 0, i, num = 0, j; 224#ifndef SIGALARM 225 long ca, cb, cc, cd, ce; 226#endif 227 228 for (i = 0; i < 12; i++) { 229 tm[i] = 0.0; 230 rank[i] = 0; 231 } 232 233#ifndef TIMES 234 fprintf(stderr, "To get the most accurate results, try to run this\n"); 235 fprintf(stderr, "program when this computer is idle.\n"); 236#endif 237 238 BF_set_key(&sch, 16, key); 239 240#ifndef SIGALRM 241 fprintf(stderr, "First we calculate the approximate speed ...\n"); 242 count = 10; 243 do { 244 long i; 245 unsigned long data[2]; 246 247 count *= 2; 248 Time_F(START); 249 for (i = count; i; i--) 250 BF_encrypt(data, &sch); 251 d = Time_F(STOP); 252 } while (d < 3.0); 253 ca = count; 254 cb = count * 3; 255 cc = count * 3 * 8 / BUFSIZE + 1; 256 cd = count * 8 / BUFSIZE + 1; 257 258 ce = count / 20 + 1; 259# define COND(d) (count != (d)) 260# define COUNT(d) (d) 261#else 262# define COND(c) (run) 263# define COUNT(d) (count) 264 signal(SIGALRM, sig_done); 265 alarm(10); 266#endif 267 268 time_it(BF_encrypt_normal, "BF_encrypt_normal ", 0); 269 time_it(BF_encrypt_ptr, "BF_encrypt_ptr ", 1); 270 time_it(BF_encrypt_ptr2, "BF_encrypt_ptr2 ", 2); 271 num += 3; 272 273 str[0] = "<nothing>"; 274 print_it("BF_encrypt_normal ", 0); 275 max = tm[0]; 276 max_idx = 0; 277 str[1] = "ptr "; 278 print_it("BF_encrypt_ptr ", 1); 279 if (max < tm[1]) { 280 max = tm[1]; 281 max_idx = 1; 282 } 283 str[2] = "ptr2 "; 284 print_it("BF_encrypt_ptr2 ", 2); 285 if (max < tm[2]) { 286 max = tm[2]; 287 max_idx = 2; 288 } 289 290 printf("options BF ecb/s\n"); 291 printf("%s %12.2f 100.0%%\n", str[max_idx], tm[max_idx]); 292 d = tm[max_idx]; 293 tm[max_idx] = -2.0; 294 max = -1.0; 295 for (;;) { 296 for (i = 0; i < 3; i++) { 297 if (max < tm[i]) { 298 max = tm[i]; 299 j = i; 300 } 301 } 302 if (max < 0.0) 303 break; 304 printf("%s %12.2f %4.1f%%\n", str[j], tm[j], tm[j] / d * 100.0); 305 tm[j] = -2.0; 306 max = -1.0; 307 } 308 309 switch (max_idx) { 310 case 0: 311 printf("-DBF_DEFAULT_OPTIONS\n"); 312 break; 313 case 1: 314 printf("-DBF_PTR\n"); 315 break; 316 case 2: 317 printf("-DBF_PTR2\n"); 318 break; 319 } 320 exit(0); 321#if defined(LINT) || defined(OPENSSL_SYS_MSDOS) 322 return (0); 323#endif 324} 325