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chg: cleaning out timing.

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chg: makefile (piwi)
This commit is contained in:
iceman1001 2017-03-13 09:45:46 +01:00
commit 14d6c4fc34
6 changed files with 15 additions and 35 deletions
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4
tools/nonce2key/Makefile
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@ -6,12 +6,12 @@ LDFLAGS =
OBJS = crypto1.o crapto1.o
HEADERS = crapto1.h
EXES = nonce2key
WINEXES = nonce2key.exe
WINEXES = $(patsubst %, %.exe, $(EXES))
all: $(OBJS) $(EXES)
%.o : %.c
$(CC) $(CFLAGS) -o $@ $<
$(CC) $(CFLAGS) -c -o $@ $<
% : %.c
$(LD) $(LDFLAGS) -o $@ $(OBJS) $<

15
tools/nonce2key/nonce2key.c
View file

@ -2,14 +2,12 @@
#define __STDC_FORMAT_MACROS
#include <inttypes.h>
#include <stdio.h>
#include <time.h>
typedef unsigned char byte_t;
int main(const int argc, const char* argv[]) {
struct Crypto1State *state;
uint32_t pos, uid, nt, nr, rr, nr_diff, ks1, ks2;
byte_t bt, i, ks3x[8], par[8][8];
uint64_t key, key_recovered;
uint32_t pos, uid, nt, nr, rr, nr_diff;
uint8_t bt, i, ks3x[8], par[8][8];
uint64_t key_recovered;
uint64_t par_info;
uint64_t ks_info;
nr = rr = 0;
@ -49,16 +47,11 @@ int main(const int argc, const char* argv[]) {
printf("%01x|\n", par[i][7]);
}
printf("+----+--------+---+-----+---------------+\n");
clock_t t1 = clock();
state = lfsr_common_prefix(nr,rr,ks3x,par);
lfsr_rollback_word(state,uid^nt,0);
crypto1_get_lfsr(state,&key_recovered);
printf("\nkey recovered: %012" PRIx64 "\n\n", key_recovered);
crypto1_destroy(state);
t1 = clock() - t1;
if ( t1 > 0 ) printf("Time in nonce2key: %.0f ticks \n", (float)t1);
return 0;
}