X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/e98572a1e2dde603f31cc06f330c6abd295139de..acd7ccdbc9b98f2e10df25e7cf2a6d17824f1b7e:/client/mifarehost.c

diff --git a/client/mifarehost.c b/client/mifarehost.c
index 830b61cd..dc3b988a 100644
--- a/client/mifarehost.c
+++ b/client/mifarehost.c
@@ -634,19 +634,25 @@ int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) {
 int tryDecryptWord(uint32_t nt, uint32_t ar_enc, uint32_t at_enc, uint8_t *data, int len){
 	/*
 	uint32_t nt;      // tag challenge
+	uint32_t nr_enc;  // encrypted reader challenge
 	uint32_t ar_enc;  // encrypted reader response
 	uint32_t at_enc;  // encrypted tag response
 	*/
-	if (traceCrypto1) {
-		crypto1_destroy(traceCrypto1);
-	}
+
+	struct Crypto1State *pcs = NULL;
+	
 	ks2 = ar_enc ^ prng_successor(nt, 64);
 	ks3 = at_enc ^ prng_successor(nt, 96);
-	traceCrypto1 = lfsr_recovery64(ks2, ks3);
-
-	mf_crypto1_decrypt(traceCrypto1, data, len, 0);
-
+	
+	PrintAndLog("Decrypting data with:");
+	PrintAndLog("      nt: %08x",nt);
+	PrintAndLog("  ar_enc: %08x",ar_enc);
+	PrintAndLog("  at_enc: %08x",at_enc);
+	PrintAndLog("\nEncrypted data: [%s]", sprint_hex(data,len) );
+
+	pcs = lfsr_recovery64(ks2, ks3);
+	mf_crypto1_decrypt(pcs, data, len, FALSE);
 	PrintAndLog("Decrypted data: [%s]", sprint_hex(data,len) );
-	crypto1_destroy(traceCrypto1);
+	crypto1_destroy(pcs);
 	return 0;
 }