some minor changes to performance testing code

cast5.c

@@ -102,7 +102,9 @@ void cast5_init(cast5_ctx_t* s, uint8_t* key, uint8_t keylength){
 	s->shortkey = (keylength<=80);
 	/* littel endian only! */
 	memset(&(x[0]), 0 ,16); /* set x to zero */
-	memcpy(&(x[0]), key, keylength/8);
+	if(keylength > 128)
+		keylength=128;
+	memcpy(&(x[0]), key, (keylength+7)/8);
 	
 
 	/* todo: merge a and b and compress the whole stuff */

main-cast5-test.c

@@ -176,21 +176,25 @@ void test_performance_cast5(void){
 	cast5_init(&ctx, key, 128);
 	t = stopTimer();
 	uart_putstr_P(PSTR("\r\n\tctx-gen time: "));
-	uart_hexdump(&t, 8);
+	ultoa((unsigned long)t, str, 10);
+	uart_putstr(str);
 	
 	
 	startTimer(1);
 	cast5_enc(&ctx, data);
 	t = stopTimer();
 	uart_putstr_P(PSTR("\r\n\tencrypt time: "));
-	uart_hexdump(&t, 8);
+	ultoa((unsigned long)t, str, 10);
+	uart_putstr(str);
 	
 	
 	startTimer(1);
 	cast5_dec(&ctx, data);
 	t = stopTimer();
 	uart_putstr_P(PSTR("\r\n\tdecrypt time: "));
-	uart_hexdump(&t, 8);
+	ultoa((unsigned long)t, str, 10);
+	uart_putstr(str);
+	
 	uart_putstr_P(PSTR("\r\n"));
 }
 

main-present-test.c

@@ -11,7 +11,9 @@
 #include "present.h"
 #include "nessie_bc_test.h"
 #include "cli.h"
+#include "performance_test.h"
 
+#include <stdlib.h>
 #include <stdint.h>
 #include <string.h>
 
@@ -74,6 +76,49 @@ void testrun_self_present(void){
 	
 }
 
+void testrun_performance_present(void){
+	uint16_t i,c;
+	uint64_t t;
+	char str[16];
+	uint8_t key[10], data[8];
+	present_ctx_t ctx;
+	
+	calibrateTimer();
+	getOverhead(&c, &i);
+	uart_putstr_P(PSTR("\r\n\r\n=== benchmark ==="));
+	utoa(c, str, 10);
+	uart_putstr_P(PSTR("\r\n\tconst overhead:     "));
+	uart_putstr(str);
+	utoa(i, str, 10);
+	uart_putstr_P(PSTR("\r\n\tinterrupt overhead: "));
+	uart_putstr(str);
+	
+	memset(key,  0, 10);
+	memset(data, 0,  8);
+	
+	startTimer(1);
+	present_init(key, 80, &ctx);
+	t = stopTimer();
+	uart_putstr_P(PSTR("\r\n\tctx-gen time: "));
+	ultoa((unsigned long)t, str, 10);
+	uart_putstr(str);
+	
+	startTimer(1);
+	present_enc(data, &ctx);
+	t = stopTimer();
+	uart_putstr_P(PSTR("\r\n\tencrypt time: "));
+	ultoa((unsigned long)t, str, 10);
+	uart_putstr(str);
+	
+	startTimer(1);
+	present_dec(data, &ctx);
+	t = stopTimer();
+	uart_putstr_P(PSTR("\r\n\tdecrypt time: "));
+	ultoa((unsigned long)t, str, 10);
+	uart_putstr(str);
+	uart_putstr_P(PSTR("\r\n"));
+}
+
 /*****************************************************************************
  *  main																	 *
  *****************************************************************************/
@@ -89,8 +134,8 @@ int main (void){
 	uart_putstr(cipher_name);
 	uart_putstr_P(PSTR(")\r\nloaded and running\r\n"));
 
-	PGM_P    u   = PSTR("nessie\0test\0");
-	void_fpt v[] = {testrun_nessie_present, testrun_self_present};
+	PGM_P    u   = PSTR("nessie\0test\0performance\0");
+	void_fpt v[] = {testrun_nessie_present, testrun_self_present, testrun_performance_present};
 
 	while(1){ 
 		if (!getnextwordn(str,20)){DEBUG_S("DBG: W1\r\n"); goto error;}

main-serpent-test.c

@@ -48,7 +48,7 @@ void testrun_nessie_serpent(void){
 void testrun_performance_serpent(void){
 	uint16_t i,c;
 	uint64_t t;
-	char str[6];
+	char str[16];
 	uint8_t key[32], data[16];
 	serpent_ctx_t ctx;
 	
@@ -69,21 +69,25 @@ void testrun_performance_serpent(void){
 	serpent_genctx(key, 0, &ctx);
 	t = stopTimer();
 	uart_putstr_P(PSTR("\r\n\tctx-gen time: "));
-	uart_hexdump(&t, 8);
+	ultoa((unsigned long)t, str, 10);
+	uart_putstr(str);
 	
 	
 	startTimer(1);
 	serpent_enc(data, &ctx);
 	t = stopTimer();
 	uart_putstr_P(PSTR("\r\n\tencrypt time: "));
-	uart_hexdump(&t, 8);
+	ultoa((unsigned long)t, str, 10);
+	uart_putstr(str);
 	
 	
 	startTimer(1);
 	serpent_dec(data, &ctx);
 	t = stopTimer();
 	uart_putstr_P(PSTR("\r\n\tdecrypt time: "));
-	uart_hexdump(&t, 8);
+	ultoa((unsigned long)t, str, 10);
+	uart_putstr(str);
+	
 	uart_putstr_P(PSTR("\r\n"));
 }
 /*****************************************************************************

present.mk

@@ -7,7 +7,8 @@ BLOCK_CIPHERS += $(ALGO_NAME)
 
 $(ALGO_NAME)_OBJ      := present.o
 $(ALGO_NAME)_TEST_BIN := main-present-test.o debug.o uart.o serial-tools.o \
-                         present.o nessie_bc_test.o nessie_common.o cli.o
+                         present.o nessie_bc_test.o nessie_common.o cli.o \
+			 performance_test.o
 $(ALGO_NAME)_NESSIE_TEST      := "nessie"
 $(ALGO_NAME)_PEROFRMANCE_TEST := "performance"