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cvs.zerfleddert.de Git - proxmark3-svn/blob - client/cmdlfviking.c
039e4ae6015a3bdd7a99a4a63df69d614f777d7a
1 //-----------------------------------------------------------------------------
3 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
4 // at your option, any later version. See the LICENSE.txt file for the text of
6 //-----------------------------------------------------------------------------
7 // Low frequency Viking tag commands
8 //-----------------------------------------------------------------------------
12 #include "proxmark3.h"
16 #include "cmdparser.h"
20 #include "cmdlfviking.h"
22 static int CmdHelp(const char *Cmd
);
24 int usage_lf_viking_clone(void){
25 PrintAndLog("clone a Viking AM tag to a T55x7 tag.");
26 PrintAndLog("Usage: lf viking clone <Card ID - 8 hex digits> <Q5>");
27 PrintAndLog("Options :");
28 PrintAndLog(" <Card Number> : 8 digit hex viking card number");
29 PrintAndLog(" <Q5> : specify write to Q5 (t5555 instead of t55x7)");
31 PrintAndLog("Sample : lf viking clone 1A337 Q5");
35 int usage_lf_viking_sim(void) {
36 PrintAndLog("Enables simulation of viking card with specified card number.");
37 PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
38 PrintAndLog("Per viking format, the card number is 8 digit hex number. Larger values are truncated.");
40 PrintAndLog("Usage: lf viking sim <Card-Number>");
41 PrintAndLog("Options :");
42 PrintAndLog(" <Card Number> : 8 digit hex viking card number");
44 PrintAndLog("Sample : lf viking sim 1A337");
49 uint64_t getVikingBits(uint32_t id
) {
50 uint8_t checksum
= ((id
>>24) & 0xFF) ^ ((id
>>16) & 0xFF) ^ ((id
>>8) & 0xFF) ^ (id
& 0xFF) ^ 0xF2 ^ 0xA8;
51 uint64_t ret
= (uint64_t)0xF2 << 56;
52 ret
|= (uint64_t)id
<< 8;
58 //see ASKDemod for what args are accepted
59 int CmdVikingRead(const char *Cmd
) {
62 // get samples silently
63 getSamples("30000",false);
64 // demod and output viking ID
65 return CmdVikingDemod(Cmd
);
68 int CmdVikingClone(const char *Cmd
) {
72 char cmdp
= param_getchar(Cmd
, 0);
73 if (strlen(Cmd
) == 0 || cmdp
== 'h' || cmdp
== 'H') return usage_lf_viking_clone();
75 id
= param_get32ex(Cmd
, 0, 0, 16);
76 if (id
== 0) return usage_lf_viking_clone();
78 cmdp
= param_getchar(Cmd
, 1);
79 if ( cmdp
== 'Q' || cmdp
== 'q')
82 rawID
= getVikingBits(id
);
84 PrintAndLog("Cloning - ID: %08X, Raw: %08X%08X",id
,(uint32_t)(rawID
>> 32),(uint32_t) (rawID
& 0xFFFFFFFF));
85 UsbCommand c
= {CMD_VIKING_CLONE_TAG
,{rawID
>> 32, rawID
& 0xFFFFFFFF, Q5
}};
89 WaitForResponse(CMD_ACK
,NULL
);
93 int CmdVikingSim(const char *Cmd
) {
96 uint8_t clk
= 32, encoding
= 1, separator
= 0, invert
= 0;
98 char cmdp
= param_getchar(Cmd
, 0);
99 if (strlen(Cmd
) == 0 || cmdp
== 'h' || cmdp
== 'H') return usage_lf_viking_sim();
101 id
= param_get32ex(Cmd
, 0, 0, 16);
102 if (id
== 0) return usage_lf_viking_sim();
104 rawID
= getVikingBits(id
);
108 arg1
= clk
<< 8 | encoding
;
109 arg2
= invert
<< 8 | separator
;
111 PrintAndLog("Simulating - ID: %08X, Raw: %08X%08X",id
,(uint32_t)(rawID
>> 32),(uint32_t) (rawID
& 0xFFFFFFFF));
113 UsbCommand c
= {CMD_ASK_SIM_TAG
, {arg1
, arg2
, size
}};
114 num_to_bytebits(rawID
, size
, c
.d
.asBytes
);
115 clearCommandBuffer();
120 static command_t CommandTable
[] = {
121 {"help", CmdHelp
, 1, "This help"},
122 {"read", CmdVikingRead
, 0, "Attempt to read and Extract tag data"},
123 {"clone", CmdVikingClone
, 0, "<8 digit ID number> clone viking tag"},
124 {"sim", CmdVikingSim
, 0, "<8 digit ID number> simulate viking tag"},
125 {NULL
, NULL
, 0, NULL
}
128 int CmdLFViking(const char *Cmd
) {
129 clearCommandBuffer();
130 CmdsParse(CommandTable
, Cmd
);
134 int CmdHelp(const char *Cmd
) {
135 CmdsHelp(CommandTable
);