150 lines
3.2 KiB
C
150 lines
3.2 KiB
C
/* bcal-performance.c */
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/*
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This file is part of the ARM-Crypto-Lib.
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Copyright (C) 2006-2010 Daniel Otte (daniel.otte@rub.de)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* \file bcal-performance.c
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* \author Daniel Otte
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* \email daniel.otte@rub.de
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* \date 2010-02-16
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* \license GPLv3 or later
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*
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*/
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#include "bcal-performance.h"
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#include "keysize_descriptor.h"
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#include "blockcipher_descriptor.h"
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#include "performance_test.h"
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#include "cli.h"
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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static
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void printvalue(unsigned long v){
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char str[20];
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int i;
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ultoa(v, str, 10);
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for(i=0; i<10-strlen(str); ++i){
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cli_putc(' ');
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}
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cli_putstr(str);
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}
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void bcal_performance(const bcdesc_t* bcd){
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bcdesc_t bc;
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memcpy(&bc, bcd, sizeof(bcdesc_t));
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uint8_t ctx[bc.ctxsize_B];
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uint8_t data[(bc.blocksize_b+7)/8];
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uint16_t keysize = get_keysize(bc.valid_keysize_desc);
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uint8_t key[(keysize+7)/8];
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uint64_t t;
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uint8_t i;
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if(bc.type!=BCDESC_TYPE_BLOCKCIPHER)
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return;
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calibrateTimer();
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print_overhead();
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cli_putstr("\r\n\r\n === ");
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cli_putstr(bc.name);
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cli_putstr(" performance === "
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"\r\n type: blockcipher"
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"\r\n keysize (bits): ");
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printvalue(keysize);
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cli_putstr("\r\n ctxsize (bytes): ");
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printvalue(bc.ctxsize_B);
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cli_putstr("\r\n blocksize (bits): ");
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printvalue(bc.blocksize_b);
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t=0;
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if(bc.init.init1){
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if((bc.flags&BC_INIT_TYPE)==BC_INIT_TYPE_1){
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for(i=0; i<32; ++i){
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startTimer(0);
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START_TIMER;
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(bc.init.init1)(key, &ctx);
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STOP_TIMER;
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t += stopTimer();
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if(i!=31 && bc.free){
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bc.free(&ctx);
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}
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}
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} else {
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for(i=0; i<32; ++i){
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startTimer(0);
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START_TIMER;
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(bc.init.init2)(key, keysize, &ctx);
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STOP_TIMER;
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t += stopTimer();
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if(i!=31 && bc.free){
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bc.free(&ctx);
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}
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}
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}
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t>>=5;
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cli_putstr("\r\n init (cycles): ");
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printvalue(t);
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}
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t=0;
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for(i=0; i<32; ++i){
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startTimer(0);
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START_TIMER;
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bc.enc.enc1(data, &ctx);
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STOP_TIMER;
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t += stopTimer();
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}
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t>>=5;
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cli_putstr("\r\n encrypt (cycles): ");
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printvalue(t);
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t=0;
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for(i=0; i<32; ++i){
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startTimer(0);
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START_TIMER;
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bc.dec.dec1(data, &ctx);
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STOP_TIMER;
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t += stopTimer();
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}
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t>>=5;
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cli_putstr("\r\n decrypt (cycles): ");
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printvalue(t);
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if(bc.free){
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bc.free(&ctx);
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}
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}
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void bcal_performance_multiple(const bcdesc_t* const * bcd_list){
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const bcdesc_t* bcd;
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for(;;){
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bcd = *bcd_list;
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if(!bcd){
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cli_putstr("\r\n\r\n End of performance figures\r\n");
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return;
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}
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bcal_performance(bcd++);
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bcd_list++;
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}
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}
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