+trivium
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2
Makefile
2
Makefile
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@ -140,7 +140,7 @@ $(foreach algo, $(ALGORITHMS), $(eval $(call SIZE_TEMPLATE, $(call lc,$(algo)),
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define FLASH_TEMPLATE
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$(1)_FLASH: $(2)
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@echo "[flash]: $(2)"
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$(FLASHCMD)$(call first,$(2))
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@$(FLASHCMD)$(call first,$(2))
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endef
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$(foreach algo, $(ALGORITHMS),$(eval $(call FLASH_TEMPLATE, $(algo), \
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@ -188,6 +188,7 @@ void testrun_performance_noekeon(void){
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uart_putstr_P(PSTR("\r\n\tdecrypt time: "));
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ultoa((unsigned long)t, str, 10);
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uart_putstr(str);
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uart_putstr_P(PSTR("\r\n"));
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}
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/*****************************************************************************
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@ -0,0 +1,115 @@
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/*
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* Mickey128 test-suit
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*
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*/
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#include "config.h"
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#include "serial-tools.h"
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#include "uart.h"
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#include "debug.h"
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#include "cli.h"
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#include "trivium.h"
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#include "nessie_stream_test.h"
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#include "performance_test.h"
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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char* cipher_name = "Trivium";
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/*****************************************************************************
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* additional validation-functions *
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*****************************************************************************/
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void trivium_genctx_dummy(uint8_t* key, uint16_t keysize_b, void* ctx){
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uint32_t iv=0;
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trivium_init(key, 80, &iv, 32, ctx);
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}
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uint8_t trivium_getbyte_dummy(trivium_ctx_t* ctx){
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uint8_t i,ret=0;
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for(i=0; i<8; ++i){
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ret<<=1;
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ret |= trivium_enc(ctx);
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}
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return ret;
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}
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void testrun_nessie_trivium(void){
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nessie_stream_ctx.outsize_b = 8; /* actually unused */
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nessie_stream_ctx.keysize_b = 80; /* this is the one we have refrence vectors for */
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nessie_stream_ctx.ivsize_b = 32;
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nessie_stream_ctx.name = cipher_name;
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nessie_stream_ctx.ctx_size_B = sizeof(trivium_ctx_t);
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nessie_stream_ctx.cipher_genctx = (nessie_stream_genctx_fpt)trivium_genctx_dummy;
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nessie_stream_ctx.cipher_enc = (nessie_stream_genenc_fpt)trivium_getbyte_dummy;
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nessie_stream_run();
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}
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void testrun_performance_trivium(void){
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uint16_t i,c;
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uint64_t t;
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char str[16];
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uint8_t key[10], iv[10];
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trivium_ctx_t ctx;
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calibrateTimer();
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getOverhead(&c, &i);
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uart_putstr_P(PSTR("\r\n\r\n=== benchmark ==="));
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utoa(c, str, 10);
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uart_putstr_P(PSTR("\r\n\tconst overhead: "));
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uart_putstr(str);
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utoa(i, str, 10);
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uart_putstr_P(PSTR("\r\n\tinterrupt overhead: "));
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uart_putstr(str);
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memset(key, 0, 10);
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memset(iv, 0, 10);
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startTimer(1);
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trivium_init(key, 80, iv, 80, &ctx);
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t = stopTimer();
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uart_putstr_P(PSTR("\r\n\tctx-gen time: "));
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ultoa((unsigned long)t, str, 10);
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uart_putstr(str);
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startTimer(1);
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trivium_enc(&ctx);
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t = stopTimer();
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uart_putstr_P(PSTR("\r\n\tencrypt time: "));
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ultoa((unsigned long)t, str, 10);
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uart_putstr(str);
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uart_putstr_P(PSTR("\r\n"));
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}
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/*****************************************************************************
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* main *
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*****************************************************************************/
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typedef void(*void_fpt)(void);
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int main (void){
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char str[20];
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DEBUG_INIT();
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uart_putstr("\r\n");
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uart_putstr_P(PSTR("\r\n\r\nCrypto-VS ("));
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uart_putstr(cipher_name);
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uart_putstr_P(PSTR(")\r\nloaded and running\r\n"));
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PGM_P u = PSTR("nessie\0test\0performance\0");
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void_fpt v[] = {testrun_nessie_trivium, testrun_nessie_trivium, testrun_performance_trivium};
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while(1){
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if (!getnextwordn(str,20)){DEBUG_S("DBG: W1\r\n"); goto error;}
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if(execcommand_d0_P(str, u, v)<0){
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uart_putstr_P(PSTR("\r\nunknown command\r\n"));
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}
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continue;
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error:
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uart_putstr("ERROR\r\n");
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}
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}
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@ -0,0 +1,66 @@
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/**
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*
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* author: Daniel Otte
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* email: daniel.otte@rub.de
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* license: GPLv3
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*
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*/
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#include <stdint.h>
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#include <string.h>
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#include "trivium.h"
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#define S(i) ((((*ctx)[(i)/8])>>((i)%8))&1)
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uint8_t trivium_enc(trivium_ctx_t* ctx){
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uint8_t t1,t2,t3,z;
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t1 = S(65) ^ S(92);
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t2 = S(161) ^ S(176);
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t3 = S(242) ^ S(287);
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z = t1^t2^t3;
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t1 ^= (S(90) & S(91)) ^ S(170);
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t2 ^= (S(174) & S(175)) ^ S(263);
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t3 ^= (S(285) & S(286)) ^ S(68);
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/* shift whole state and insert ts later */
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uint8_t i,c1=0,c2;
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for(i=0; i<36; ++i){
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c2=(((*ctx)[i])>>7);
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(*ctx)[i] = (((*ctx)[i])<<1)|c1;
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c1=c2;
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}
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/* insert ts */
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(*ctx)[0] = (((*ctx)[0])&0xFE)| t3; /* s0*/
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(*ctx)[93/8] = (((*ctx)[93/8])& (~(1<<(93%8)))) | (t1<<(93%8)); /* s93 */
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(*ctx)[177/8] = (((*ctx)[177/8])& (~(1<<(177%8)))) | (t2<<(177%8));/* s177 */
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return z;
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}
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#define KEYSIZE_B ((keysize_b+7)/8)
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#define IVSIZE_B ((ivsize_b +7)/8)
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void trivium_init(const void* key, uint8_t keysize_b,
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const void* iv, uint8_t ivsize_b,
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trivium_ctx_t* ctx){
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uint16_t i;
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uint8_t c1=0,c2;
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memset((*ctx)+KEYSIZE_B, 0, 35-KEYSIZE_B);
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memcpy((*ctx), key, KEYSIZE_B);
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memcpy((*ctx)+12, iv, IVSIZE_B); /* iv0 is at s96, must shift to s93 */
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for(i=12+IVSIZE_B; i>10; --i){
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c2=(((*ctx)[i])<<5);
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(*ctx)[i] = (((*ctx)[i])>>3)|c1;
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c1=c2;
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}
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(*ctx)[35]=0xE0;
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for(i=0; i<4*288; ++i){
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trivium_enc(ctx);
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}
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}
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@ -0,0 +1,11 @@
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#ifndef TRIVIUM_H_
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#define TRIVIUM_H_
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typedef uint8_t trivium_ctx_t[36]; /* 288bit */
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uint8_t trivium_enc(trivium_ctx_t* ctx);
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void trivium_init(const void* key, uint8_t keysize_b,
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const void* iv, uint8_t ivsize_b,
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trivium_ctx_t* ctx);
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#endif /*TRIVIUM_H_*/
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@ -0,0 +1,13 @@
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# Makefile for Trivium
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ALGO_NAME := TRIVIUM
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# comment out the following line for removement of Trivium from the build process
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STREAM_CIPHERS += $(ALGO_NAME)
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$(ALGO_NAME)_OBJ := trivium.o
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$(ALGO_NAME)_TEST_BIN := main-trivium-test.o debug.o uart.o serial-tools.o \
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nessie_stream_test.o nessie_common.o trivium.o cli.o \
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performance_test.o
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$(ALGO_NAME)_NESSIE_TEST := "nessie"
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$(ALGO_NAME)_PEROFRMANCE_TEST := "performance"
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