X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;ds=sidebyside;f=hfal-performance.c;h=5371f80d9f255594524fee8023a3eb37e3b9a9ad;hb=0747bb9f3d1759c0b71a0cff3387835db9833d8e;hp=70f2ef15eb37ed2736669bcef2c5f69b37370db2;hpb=aa060d30f8600acb9cc5bcf9fa3d97a2fbe5ccda;p=avr-crypto-lib.git

diff --git a/hfal-performance.c b/hfal-performance.c
index 70f2ef1..5371f80 100644
--- a/hfal-performance.c
+++ b/hfal-performance.c
@@ -27,6 +27,7 @@
 
 #include "hfal-performance.h"
 #include "hashfunction_descriptor.h"
+#include "stack_measuring.h"
 #include "cli.h"
 #include "performance_test.h"
 #include <stdint.h>
@@ -34,9 +35,11 @@
 #include <string.h>
 #include <avr/pgmspace.h>
 
+#define PATTERN_A 0xAA
+#define PATTERN_B 0x55
 
 static
-void printvalue(unsigned int v){
+void printvalue(unsigned long v){
 	char str[20];
 	int i;
 	ultoa(v, str, 10);
@@ -53,6 +56,7 @@ void hfal_performance(const hfdesc_t* hd){
 	uint8_t data[(hf.blocksize_b+7)/8];
 	uint8_t digest[(hf.hashsize_b+7)/8];
 	uint64_t t;
+	uint8_t i;
 
 	if(hf.type!=HFDESC_TYPE_HASHFUNCTION)
 		return;
@@ -71,39 +75,133 @@ void hfal_performance(const hfdesc_t* hd){
 	cli_putstr_P(PSTR("\r\n    blocksize (bits):   "));
 	printvalue(hf.blocksize_b);
 
-	startTimer(0);
-	START_TIMER;
-	hf.init(&ctx);
-	STOP_TIMER;
-	t = stopTimer();
+	t=0;
+	for(i=0; i<32; ++i){
+		startTimer(0);
+		START_TIMER;
+		hf.init(&ctx);
+		STOP_TIMER;
+		t += stopTimer();
+		if(i!=31 && hf.free){
+			hf.free(&ctx);
+		}
+	}
+	t>>=5;
 	cli_putstr_P(PSTR("\r\n    init (cycles):      "));
 	printvalue(t);
 
-	startTimer(0);
-	START_TIMER;
-	hf.nextBlock(&ctx, data);
-	STOP_TIMER;
-	t = stopTimer();
+	t=0;
+	for(i=0; i<32; ++i){
+		startTimer(0);
+		START_TIMER;
+		hf.nextBlock(&ctx, data);
+		STOP_TIMER;
+		t += stopTimer();
+	}
+	t>>=5;
 	cli_putstr_P(PSTR("\r\n    nextBlock (cycles): "));
 	printvalue(t);
 
-	startTimer(0);
-	START_TIMER;
-	hf.lastBlock(&ctx, data, 0);
-	STOP_TIMER;
-	t = stopTimer();
+	t=0;
+	for(i=0; i<32; ++i){
+		startTimer(0);
+		START_TIMER;
+		hf.lastBlock(&ctx, data, 0);
+		STOP_TIMER;
+		t += stopTimer();
+	}
+	t>>=5;
 	cli_putstr_P(PSTR("\r\n    lastBlock (cycles): "));
 	printvalue(t);
 
-	startTimer(0);
-	START_TIMER;
-	hf.ctx2hash(digest, &ctx);
-	STOP_TIMER;
-	t = stopTimer();
+	t=0;
+	for(i=0; i<32; ++i){
+		startTimer(0);
+		START_TIMER;
+		hf.ctx2hash(digest, &ctx);
+		STOP_TIMER;
+		t += stopTimer();
+	}
+	t>>=5;
 	cli_putstr_P(PSTR("\r\n    ctx2hash (cycles):  "));
 	printvalue(t);
+
+	if(hf.free){
+		hf.free(&ctx);
+	}
 }
 
+void hfal_stacksize(const hfdesc_t* hd){
+	hfdesc_t hf;
+	stack_measuring_ctx_t smctx;
+	memcpy_P(&hf, hd, sizeof(hfdesc_t));
+	uint8_t ctx[hf.ctxsize_B];
+	uint8_t data[(hf.blocksize_b+7)/8];
+	uint8_t digest[(hf.hashsize_b+7)/8];
+	uint16_t t1, t2;
+
+	if(hf.type!=HFDESC_TYPE_HASHFUNCTION)
+		return;
+	cli_putstr_P(PSTR("\r\n\r\n === "));
+	cli_putstr_P(hf.name);
+	cli_putstr_P(PSTR(" stack-usage === "));
+
+	cli();
+	stack_measure_init(&smctx, PATTERN_A);
+	hf.init(&ctx);
+	t1 = stack_measure_final(&smctx);
+	stack_measure_init(&smctx, PATTERN_B);
+	hf.init(&ctx);
+	t2 = stack_measure_final(&smctx);
+	sei();
+
+	t1 = (t1>t2)?t1:t2;
+	cli_putstr_P(PSTR("\r\n    init (bytes):       "));
+	printvalue((unsigned long)t1);
+
+	cli();
+	stack_measure_init(&smctx, PATTERN_A);
+	hf.nextBlock(&ctx, data);
+	t1 = stack_measure_final(&smctx);
+	stack_measure_init(&smctx, PATTERN_B);
+	hf.nextBlock(&ctx, data);
+	t2 = stack_measure_final(&smctx);
+	sei();
+
+	t1 = (t1>t2)?t1:t2;
+	cli_putstr_P(PSTR("\r\n    nextBlock (bytes):  "));
+	printvalue((unsigned long)t1);
+
+	cli();
+	stack_measure_init(&smctx, PATTERN_A);
+	hf.lastBlock(&ctx, data, 0);
+	t1 = stack_measure_final(&smctx);
+	stack_measure_init(&smctx, PATTERN_B);
+	hf.lastBlock(&ctx, data, 0);
+	t2 = stack_measure_final(&smctx);
+	sei();
+
+	t1 = (t1>t2)?t1:t2;
+	cli_putstr_P(PSTR("\r\n    lastBlock (bytes):  "));
+	printvalue((unsigned long)t1);
+
+	cli();
+	stack_measure_init(&smctx, PATTERN_A);
+	hf.ctx2hash(digest, &ctx);
+	t1 = stack_measure_final(&smctx);
+	stack_measure_init(&smctx, PATTERN_B);
+	hf.ctx2hash(digest, &ctx);
+	t2 = stack_measure_final(&smctx);
+	sei();
+
+	t1 = (t1>t2)?t1:t2;
+	cli_putstr_P(PSTR("\r\n    ctx2hash (bytes):   "));
+	printvalue((unsigned long)t1);
+
+	if(hf.free){
+		hf.free(&ctx);
+	}
+}
 
 void hfal_performance_multiple(const hfdesc_t** hd_list){
 	const hfdesc_t* hd;
@@ -114,6 +212,7 @@ void hfal_performance_multiple(const hfdesc_t** hd_list){
 			return;
 		}
 		hfal_performance(hd);
+		hfal_stacksize(hd);
 		hd_list = (void*)((uint8_t*)hd_list + 2);
 	}
 }