X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/5330f5329f68fa6a95658ebd946d5eefc74e10c4..fef399044428a047c9f998e408770e68610a4cbd:/client/cmdhfmf.c

diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c
index 16612cba..181c9316 100644
--- a/client/cmdhfmf.c
+++ b/client/cmdhfmf.c
@@ -19,7 +19,24 @@ int CmdHF14AMifare(const char *Cmd)
 	uint64_t par_list = 0, ks_list = 0, r_key = 0;
 	int16_t isOK = 0;
 
-	UsbCommand c = {CMD_READER_MIFARE, {true, 0, 0}};
+	uint8_t blockNo = 0, keyType = 0;
+	char cmdp	= 0x00;
+
+	if (strlen(Cmd)<3) {
+		PrintAndLog("Usage:  hf mf mifare <block number> <key A/B>");
+		PrintAndLog("        sample: hf mf mi 0 A");
+		return 0;
+	}	
+
+	blockNo = param_get8(Cmd, 0);
+	cmdp = param_getchar(Cmd, 1);
+	if (cmdp == 0x00) {
+		PrintAndLog("Key type must be A or B");
+		return 1;
+	}
+	if (cmdp != 'A' && cmdp != 'a') keyType = 1;
+
+	UsbCommand c = {CMD_READER_MIFARE, {true, blockNo, keyType}};
 
 	// message
 	printf("-------------------------------------------------------------------------\n");
@@ -58,6 +75,8 @@ start:
 				case -1 : PrintAndLog("Button pressed. Aborted.\n"); break;
 				case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests).\n"); break;
 				case -3 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator is not predictable).\n"); break;
+				case -4 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator seems to be based on the wellknown");
+							PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour.\n"); break;
 				default: ;
 			}
 			break;
@@ -1949,6 +1968,13 @@ int CmdHF14AMfSniff(const char *Cmd){
 	return 0;
 }
 
+//needs nt, ar, at, Data to decrypt
+int CmdDecryptTraceCmds(const char *Cmd){
+	uint8_t data[50];
+	int len = 0;
+	param_gethex_ex(Cmd,3,data,&len);
+	return tryDecryptWord(param_get32ex(Cmd,0,0,16),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16),data,len/2);
+}
 
 static command_t CommandTable[] =
 {
@@ -1977,6 +2003,7 @@ static command_t CommandTable[] =
   {"cgetsc",	CmdHF14AMfCGetSc,		0, "Read sector - Magic Chinese card"},
   {"cload",		CmdHF14AMfCLoad,		0, "Load dump into magic Chinese card"},
   {"csave",		CmdHF14AMfCSave,		0, "Save dump from magic Chinese card into file or emulator"},
+  {"decrypt", CmdDecryptTraceCmds,1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"},
   {NULL, NULL, 0, NULL}
 };