X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/89a40c3d1dcf9aeb2170515ec5e559aa65e6a2be..ce9a7cbf33ff29722d7e7f6adec4fe149f55ce87:/client/nonce2key/nonce2key.c?ds=inline

diff --git a/client/nonce2key/nonce2key.c b/client/nonce2key/nonce2key.c
index 99ede9e0..95924e5e 100644
--- a/client/nonce2key/nonce2key.c
+++ b/client/nonce2key/nonce2key.c
@@ -14,18 +14,9 @@
 #include "ui.h"
 #include "proxmark3.h"
 
-int compar_state(const void * a, const void * b) {
-	// didn't work: (the result is truncated to 32 bits)
-	//return (*(int64_t*)b - *(int64_t*)a);
-
-	// better:
-	if (*(int64_t*)b == *(int64_t*)a) return 0;
-	else if (*(int64_t*)b > *(int64_t*)a) return 1;
-	else return -1;
-}
-
 int nonce2key(uint32_t uid, uint32_t nt, uint32_t nr, uint64_t par_info, uint64_t ks_info, uint64_t * key) {
 
+
 	struct Crypto1State *state;
 	uint32_t i, pos, rr = 0, nr_diff;
 	byte_t bt, ks3x[8], par[8][8];
@@ -49,17 +40,22 @@ int nonce2key(uint32_t uid, uint32_t nt, uint32_t nr, uint64_t par_info, uint64_
 
 	for ( i = 0; i < 8; i++) {
 		nr_diff = nr | i << 5;
-		printf("| %02x |%08x|", i << 5, nr_diff);
-		printf(" %01x |  %01x  |", ks3x[i], ks3x[i]^5);
+		printf("| %02x |%08x| %01x |  %01x  |", i << 5, nr_diff, ks3x[i], ks3x[i]^5);
+
 		for (pos = 0; pos < 7; pos++) printf("%01x,", par[i][pos]);
 		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);
 	crypto1_destroy(state);
+
+	t1 = clock() - t1;
+	if ( t1 > 0 ) PrintAndLog("Time in nonce2key: %.0f ticks \n", (float)t1);
 	return 0;
 }
 
@@ -177,9 +173,9 @@ int tryMfk64(uint64_t myuid, uint8_t *data, uint8_t *outputkey ){
 	pcs = &mpcs;
 	
 	uid 	= myuid;//(uint32_t)bytes_to_num(data +  0, 4);
-	nt 		= *(uint32_t*)(data+8);
-	nr_enc = *(uint32_t*)(data+12);
-	ar_enc = *(uint32_t*)(data+16);
+	nt	= *(uint32_t*)(data+8);
+	nr_enc	= *(uint32_t*)(data+12);
+	ar_enc	= *(uint32_t*)(data+16);
 	
 	crypto1_word(pcs, nr_enc , 1);
 	at_enc = prng_successor(nt, 96) ^ crypto1_word(pcs, 0, 0);
@@ -205,4 +201,4 @@ int tryMfk64(uint64_t myuid, uint8_t *data, uint8_t *outputkey ){
 	num_to_bytes(key, 6, outputkey);
 	crypto1_destroy(revstate);
 	return 0;
-}
\ No newline at end of file
+}