/* crypto/cast/castopts.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.] */ /* define PART1, PART2, PART3 or PART4 to build only with a few of the options. * This is for machines with 64k code segment size restrictions. */ #ifndef MSDOS #define TIMES #endif #include #ifndef MSDOS #include #else #include extern void exit(); #endif #include #ifndef VMS #ifndef _IRIX #include #endif #ifdef TIMES #include #include #endif #else /* VMS */ #include struct tms { time_t tms_utime; time_t tms_stime; time_t tms_uchild; /* I dunno... */ time_t tms_uchildsys; /* so these names are a guess :-) */ } #endif #ifndef TIMES #include #endif #if defined(sun) || defined(__ultrix) #define _POSIX_SOURCE #include #include #endif #include #define CAST_DEFAULT_OPTIONS #undef E_CAST #define CAST_encrypt CAST_encrypt_normal #define CAST_decrypt CAST_decrypt_normal #define CAST_cbc_encrypt CAST_cbc_encrypt_normal #undef HEADER_CAST_LOCL_H #include "c_enc.c" #define CAST_PTR #undef CAST_PTR2 #undef E_CAST #undef CAST_encrypt #undef CAST_decrypt #undef CAST_cbc_encrypt #define CAST_encrypt CAST_encrypt_ptr #define CAST_decrypt CAST_decrypt_ptr #define CAST_cbc_encrypt CAST_cbc_encrypt_ptr #undef HEADER_CAST_LOCL_H #include "c_enc.c" #undef CAST_PTR #define CAST_PTR2 #undef E_CAST #undef CAST_encrypt #undef CAST_decrypt #undef CAST_cbc_encrypt #define CAST_encrypt CAST_encrypt_ptr2 #define CAST_decrypt CAST_decrypt_ptr2 #define CAST_cbc_encrypt CAST_cbc_encrypt_ptr2 #undef HEADER_CAST_LOCL_H #include "c_enc.c" /* The following if from times(3) man page. It may need to be changed */ #ifndef HZ # ifndef CLK_TCK # ifndef _BSD_CLK_TCK_ /* FreeBSD fix */ # ifndef VMS # define HZ 100.0 # else /* VMS */ # define HZ 100.0 # endif # else /* _BSD_CLK_TCK_ */ # define HZ ((double)_BSD_CLK_TCK_) # endif # else /* CLK_TCK */ # define HZ ((double)CLK_TCK) # endif #endif #define BUFSIZE ((long)1024) long run=0; #ifndef NOPROTO double Time_F(int s); #else double Time_F(); #endif #ifdef SIGALRM #if defined(__STDC__) || defined(sgi) #define SIGRETTYPE void #else #define SIGRETTYPE int #endif #ifndef NOPROTO SIGRETTYPE sig_done(int sig); #else SIGRETTYPE sig_done(); #endif 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)/1000.0; return((ret == 0.0)?1e-6:ret); } #endif } #ifdef SIGALRM #define print_name(name) fprintf(stderr,"Doing %s's for 10 seconds\n",name); alarm(10); #else #define print_name(name) fprintf(stderr,"Doing %s %ld times\n",name,cb); #endif #define time_it(func,name,index) \ print_name(name); \ Time_F(START); \ for (count=0,run=1; COND(cb); count+=4) \ { \ unsigned long d[2]; \ func(d,&sch); \ func(d,&sch); \ func(d,&sch); \ func(d,&sch); \ } \ tm[index]=Time_F(STOP); \ fprintf(stderr,"%ld %s's in %.2f second\n",count,name,tm[index]); \ tm[index]=((double)COUNT(cb))/tm[index]; #define print_it(name,index) \ fprintf(stderr,"%s bytes per sec = %12.2f (%5.1fuS)\n",name, \ tm[index]*8,1.0e6/tm[index]); int main(int argc, char **argv) { long count; static unsigned char buf[BUFSIZE]; static char key[16]={ 0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0, 0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0}; CAST_KEY sch; double d,tm[16],max=0; int rank[16]; char *str[16]; int max_idx=0,i,num=0,j; #ifndef SIGALARM long ca,cb,cc,cd,ce; #endif for (i=0; i<12; i++) { tm[i]=0.0; rank[i]=0; } #ifndef TIMES fprintf(stderr,"To get the most acurate results, try to run this\n"); fprintf(stderr,"program when this computer is idle.\n"); #endif CAST_set_key(&sch,16,key); #ifndef SIGALRM fprintf(stderr,"First we calculate the approximate speed ...\n"); count=10; do { long i; unsigned long data[2]; count*=2; Time_F(START); for (i=count; i; i--) CAST_encrypt(data,&sch); d=Time_F(STOP); } while (d < 3.0); ca=count; cb=count*3; cc=count*3*8/BUFSIZE+1; cd=count*8/BUFSIZE+1; ce=count/20+1; #define COND(d) (count != (d)) #define COUNT(d) (d) #else #define COND(c) (run) #define COUNT(d) (count) signal(SIGALRM,sig_done); alarm(10); #endif time_it(CAST_encrypt_normal, "CAST_encrypt_normal ", 0); time_it(CAST_encrypt_ptr, "CAST_encrypt_ptr ", 1); time_it(CAST_encrypt_ptr2, "CAST_encrypt_ptr2 ", 2); num+=3; str[0]=""; print_it("CAST_encrypt_normal ",0); max=tm[0]; max_idx=0; str[1]="ptr "; print_it("CAST_encrypt_ptr ",1); if (max < tm[1]) { max=tm[1]; max_idx=1; } str[2]="ptr2 "; print_it("CAST_encrypt_ptr2 ",2); if (max < tm[2]) { max=tm[2]; max_idx=2; } printf("options CAST ecb/s\n"); printf("%s %12.2f 100.0%%\n",str[max_idx],tm[max_idx]); d=tm[max_idx]; tm[max_idx]= -2.0; max= -1.0; for (;;) { for (i=0; i<3; i++) { if (max < tm[i]) { max=tm[i]; j=i; } } if (max < 0.0) break; printf("%s %12.2f %4.1f%%\n",str[j],tm[j],tm[j]/d*100.0); tm[j]= -2.0; max= -1.0; } switch (max_idx) { case 0: printf("-DCAST_DEFAULT_OPTIONS\n"); break; case 1: printf("-DCAST_PTR\n"); break; case 2: printf("-DCAST_PTR2\n"); break; } exit(0); #if defined(LINT) || defined(MSDOS) return(0); #endif }