/* bcal-performance.c */
/*
- This file is part of the AVR-Crypto-Lib.
- Copyright (C) 2010 Daniel Otte (daniel.otte@rub.de)
+ This file is part of the AVR-Crypto-Lib.
+ Copyright (C) 2010 Daniel Otte (daniel.otte@rub.de)
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
/*
* \file bcal-performance.c
#define PATTERN_B 0x55
/*
-static
-void printvalue(unsigned long v){
- char str[20];
- int i;
- ultoa(v, str, 10);
- for(i = 0; i < 10 - strlen(str); ++i){
- cli_putc(' ');
- }
- cli_putstr(str);
-}
-*/
-
-void bcal_performance(const bcdesc_t *bcd){
- bcdesc_t bc;
- memcpy_P(&bc, bcd, sizeof(bcdesc_t));
- uint8_t ctx[bc.ctxsize_B];
- uint8_t data[(bc.blocksize_b + 7) / 8];
- uint16_t keysize = get_keysize(bc.valid_keysize_desc);
- uint8_t key[(keysize + 7) / 8];
- uint64_t t;
- uint8_t i;
-
- if(bc.type != BCDESC_TYPE_BLOCKCIPHER)
- return;
- calibrateTimer();
- print_overhead();
- printf_P(PSTR("\n\n === %S performance === \n"
- "\ttype: blockcipher\n"
- "\tkeysize (bits): %5"PRIu16"\n"
- "\tctxsize (bytes): %5"PRIu16"\n"
- "\tblocksize (bits): %5"PRIu16"\n"),
- bc.name, keysize, bc.ctxsize_B, bc.blocksize_b);
- uart0_flush();
- t = 0;
- if(bc.init.init1){
- if((bc.flags & BC_INIT_TYPE) == BC_INIT_TYPE_1){
- for(i = 0; i < 32; ++i){
- startTimer(1);
- START_TIMER;
- (bc.init.init1)(key, &ctx);
- STOP_TIMER;
- t += stopTimer();
- if(i!=31 && bc.free){
- bc.free(&ctx);
- }
- }
- } else {
- for(i = 0; i < 32; ++i){
- startTimer(1);
- START_TIMER;
- (bc.init.init2)(key, keysize, &ctx);
- STOP_TIMER;
- t += stopTimer();
- if(i!=31 && bc.free){
- bc.free(&ctx);
- }
- }
- }
- t >>= 5;
- printf_P(PSTR(" init (cycles): %5"PRIu16"\n"), t);
- }
+ static
+ void printvalue(unsigned long v){
+ char str[20];
+ int i;
+ ultoa(v, str, 10);
+ for(i = 0; i < 10 - strlen(str); ++i){
+ cli_putc(' ');
+ }
+ cli_putstr(str);
+ }
+ */
+
+void bcal_performance(const bcdesc_t *bcd)
+{
+ bcdesc_t bc;
+ memcpy_P(&bc, bcd, sizeof(bcdesc_t));
+ uint8_t ctx[bc.ctxsize_B];
+ uint8_t data[(bc.blocksize_b + 7) / 8];
+ uint16_t keysize = get_keysize(bc.valid_keysize_desc);
+ uint8_t key[(keysize + 7) / 8];
+ uint64_t t;
+ uint8_t i;
+
+ if (bc.type != BCDESC_TYPE_BLOCKCIPHER)
+ return;
+ calibrateTimer();
+ print_overhead();
+ printf_P(PSTR("\n\n === %S performance === \n"
+ "\ttype: blockcipher\n"
+ "\tkeysize (bits): %5"PRIu16"\n"
+ "\tctxsize (bytes): %5"PRIu16"\n"
+ "\tblocksize (bits): %5"PRIu16"\n"),
+ bc.name, keysize, bc.ctxsize_B, bc.blocksize_b);
+ uart0_flush();
+ t = 0;
+ if (bc.init.init1) {
+ if ((bc.flags & BC_INIT_TYPE) == BC_INIT_TYPE_1) {
+ for (i = 0; i < 32; ++i) {
+ startTimer(1);
+ START_TIMER;
+ (bc.init.init1)(key, &ctx);
+ STOP_TIMER;
+ t += stopTimer();
+ if (i != 31 && bc.free) {
+ bc.free(&ctx);
+ }
+ }
+ } else {
+ for (i = 0; i < 32; ++i) {
+ startTimer(1);
+ START_TIMER;
+ (bc.init.init2)(key, keysize, &ctx);
+ STOP_TIMER;
+ t += stopTimer();
+ if (i != 31 && bc.free) {
+ bc.free(&ctx);
+ }
+ }
+ }
+ t >>= 5;
+ printf_P(PSTR(" init (cycles): %5"PRIu16"\n"), t);
+ }
uart0_flush();
- t = 0;
- for(i = 0; i < 32; ++i){
- startTimer(0);
- START_TIMER;
- bc.enc.enc1(data, &ctx);
- STOP_TIMER;
- t += stopTimer();
- }
- t >>= 5;
- printf_P(PSTR(" encrypt (cycles): %5"PRIu16"\n"), t);
+ t = 0;
+ for (i = 0; i < 32; ++i) {
+ startTimer(0);
+ START_TIMER;
+ bc.enc.enc1(data, &ctx);
+ STOP_TIMER;
+ t += stopTimer();
+ }
+ t >>= 5;
+ printf_P(PSTR(" encrypt (cycles): %5"PRIu16"\n"), t);
uart0_flush();
- t = 0;
- for(i = 0; i < 32; ++i){
- startTimer(0);
- START_TIMER;
- bc.dec.dec1(data, &ctx);
- STOP_TIMER;
- t += stopTimer();
- }
- t >>= 5;
- printf_P(PSTR(" decrypt (cycles): %5"PRIu16"\n"), t);
+ t = 0;
+ for (i = 0; i < 32; ++i) {
+ startTimer(0);
+ START_TIMER;
+ bc.dec.dec1(data, &ctx);
+ STOP_TIMER;
+ t += stopTimer();
+ }
+ t >>= 5;
+ printf_P(PSTR(" decrypt (cycles): %5"PRIu16"\n"), t);
uart0_flush();
- if(bc.free){
- uart0_flush();
- bc.free(&ctx);
- }
+ if (bc.free) {
+ uart0_flush();
+ bc.free(&ctx);
+ }
}
-void bcal_stacksize(const bcdesc_t *bcd){
- bcdesc_t bc;
- stack_measuring_ctx_t smctx;
- memcpy_P(&bc, bcd, sizeof(bcdesc_t));
- uint8_t ctx[bc.ctxsize_B];
- uint8_t data[(bc.blocksize_b + 7) / 8];
- uint16_t keysize = get_keysize(bc.valid_keysize_desc);
- uint8_t key[(keysize + 7)/8];
- uint16_t t1 = 0, t2 = 0;
-
- if(bc.type != BCDESC_TYPE_BLOCKCIPHER)
- return;
- printf_P(PSTR("\n === %S stack-usage ===\n"),bc.name);
-
- uart0_flush();
-
- if(bc.init.init1){
- if((bc.flags & BC_INIT_TYPE) == BC_INIT_TYPE_1){
- cli();
- stack_measure_init(&smctx, PATTERN_A);
- bc.init.init1(&ctx, key);
- t1 = stack_measure_final(&smctx);
- stack_measure_init(&smctx, PATTERN_B);
- bc.init.init1(&ctx, key);
- t2 = stack_measure_final(&smctx);
- sei();
- } else {
- cli();
- stack_measure_init(&smctx, PATTERN_A);
- bc.init.init2(&ctx, keysize, key);
- t1 = stack_measure_final(&smctx);
- stack_measure_init(&smctx, PATTERN_B);
- bc.init.init2(&ctx, keysize, key);
+void bcal_stacksize(const bcdesc_t *bcd)
+{
+ bcdesc_t bc;
+ stack_measuring_ctx_t smctx;
+ memcpy_P(&bc, bcd, sizeof(bcdesc_t));
+ uint8_t ctx[bc.ctxsize_B];
+ uint8_t data[(bc.blocksize_b + 7) / 8];
+ uint16_t keysize = get_keysize(bc.valid_keysize_desc);
+ uint8_t key[(keysize + 7) / 8];
+ uint16_t t1 = 0, t2 = 0;
+
+ if (bc.type != BCDESC_TYPE_BLOCKCIPHER)
+ return;
+ printf_P(PSTR("\n === %S stack-usage ===\n"), bc.name);
+
+ uart0_flush();
+
+ if (bc.init.init1) {
+ if ((bc.flags & BC_INIT_TYPE) == BC_INIT_TYPE_1) {
+ cli();
+ stack_measure_init(&smctx, PATTERN_A);
+ bc.init.init1(&ctx, key);
+ t1 = stack_measure_final(&smctx);
+ stack_measure_init(&smctx, PATTERN_B);
+ bc.init.init1(&ctx, key);
+ t2 = stack_measure_final(&smctx);
+ sei();
+ } else {
+ cli();
+ stack_measure_init(&smctx, PATTERN_A);
+ bc.init.init2(&ctx, keysize, key);
+ t1 = stack_measure_final(&smctx);
+ stack_measure_init(&smctx, PATTERN_B);
+ bc.init.init2(&ctx, keysize, key);
t2 = stack_measure_final(&smctx);
sei();
}
- t1 = (t1 > t2) ? t1 : t2;
- printf_P(PSTR(" init (bytes): %5"PRIu16"\n"), t1);
- }
- cli();
- stack_measure_init(&smctx, PATTERN_A);
- bc.enc.enc1(data, &ctx);
- t1 = stack_measure_final(&smctx);
- stack_measure_init(&smctx, PATTERN_B);
- bc.enc.enc1(data, &ctx);
- t2 = stack_measure_final(&smctx);
- sei();
-
- t1 = (t1 > t2) ? t1 : t2;
- printf_P(PSTR(" encBlock (bytes): %5"PRIu16"\n"), t1);
-
- cli();
- stack_measure_init(&smctx, PATTERN_A);
- bc.dec.dec1(data, &ctx);
- t1 = stack_measure_final(&smctx);
- stack_measure_init(&smctx, PATTERN_B);
- bc.dec.dec1(data, &ctx);
- t2 = stack_measure_final(&smctx);
- sei();
-
- t1 = (t1 > t2) ? t1 : t2;
- printf_P(PSTR(" decBlock (bytes): %5"PRIu16"\n"), t1);
-
- if(bc.free){
- bc.free(&ctx);
- }
+ t1 = (t1 > t2) ? t1 : t2;
+ printf_P(PSTR(" init (bytes): %5"PRIu16"\n"), t1);
+ }
+ cli();
+ stack_measure_init(&smctx, PATTERN_A);
+ bc.enc.enc1(data, &ctx);
+ t1 = stack_measure_final(&smctx);
+ stack_measure_init(&smctx, PATTERN_B);
+ bc.enc.enc1(data, &ctx);
+ t2 = stack_measure_final(&smctx);
+ sei();
+
+ t1 = (t1 > t2) ? t1 : t2;
+ printf_P(PSTR(" encBlock (bytes): %5"PRIu16"\n"), t1);
+
+ cli();
+ stack_measure_init(&smctx, PATTERN_A);
+ bc.dec.dec1(data, &ctx);
+ t1 = stack_measure_final(&smctx);
+ stack_measure_init(&smctx, PATTERN_B);
+ bc.dec.dec1(data, &ctx);
+ t2 = stack_measure_final(&smctx);
+ sei();
+
+ t1 = (t1 > t2) ? t1 : t2;
+ printf_P(PSTR(" decBlock (bytes): %5"PRIu16"\n"), t1);
+
+ if (bc.free) {
+ bc.free(&ctx);
+ }
}
-void bcal_performance_multiple(const bcdesc_t *const *bcd_list){
- const bcdesc_t *bcd;
- for(;;){
- bcd = (void*)pgm_read_word(bcd_list);
- if(!bcd){
- puts_P(PSTR("\n End of performance figures\n"));
- return;
- }
- bcal_performance(bcd);
- bcal_stacksize(bcd);
- bcd_list = (void*)((uint8_t*)bcd_list + 2);
- }
+void bcal_performance_multiple(const bcdesc_t * const *bcd_list)
+{
+ const bcdesc_t *bcd;
+ for (;;) {
+ bcd = (void*) pgm_read_word(bcd_list);
+ if (!bcd) {
+ puts_P(PSTR("\n End of performance figures\n"));
+ return;
+ }
+ bcal_performance(bcd);
+ bcal_stacksize(bcd);
+ bcd_list = (void*) ((uint8_t*) bcd_list + 2);
+ }
}
projects / avr-crypto-lib.git / blobdiff