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Further implementation of iclass 'fullsim'. Moved protocol definitions to shared file. Had to add some loclass-function to arm-side to support authentication in fullsim mode

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Martin Holst Swende 2015-02-18 20:02:44 +01:00
commit b67f7ec359
17 changed files with 1157 additions and 268 deletions
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170
client/cmdhf.c
View file

@ -23,6 +23,7 @@
#include "cmdhficlass.h"
#include "cmdhfmf.h"
#include "cmdhfmfu.h"
#include "protocols.h"
static int CmdHelp(const char *Cmd);
@ -33,175 +34,6 @@ int CmdHFTune(const char *Cmd)
return 0;
}
//The following data is taken from http://www.proxmark.org/forum/viewtopic.php?pid=13501#p13501
/*
ISO14443A (usually NFC tags)
26 (7bits) = REQA
30 = Read (usage: 30+1byte block number+2bytes ISO14443A-CRC - answer: 16bytes)
A2 = Write (usage: A2+1byte block number+4bytes data+2bytes ISO14443A-CRC - answer: 0A [ACK] or 00 [NAK])
52 (7bits) = WUPA (usage: 52(7bits) - answer: 2bytes ATQA)
93 20 = Anticollision (usage: 9320 - answer: 4bytes UID+1byte UID-bytes-xor)
93 70 = Select (usage: 9370+5bytes 9320 answer - answer: 1byte SAK)
95 20 = Anticollision of cascade level2
95 70 = Select of cascade level2
50 00 = Halt (usage: 5000+2bytes ISO14443A-CRC - no answer from card)
Mifare
60 = Authenticate with KeyA
61 = Authenticate with KeyB
40 (7bits) = Used to put Chinese Changeable UID cards in special mode (must be followed by 43 (8bits) - answer: 0A)
C0 = Decrement
C1 = Increment
C2 = Restore
B0 = Transfer
Ultralight C
A0 = Compatibility Write (to accomodate MIFARE commands)
1A = Step1 Authenticate
AF = Step2 Authenticate
ISO14443B
05 = REQB
1D = ATTRIB
50 = HALT
SRIX4K (tag does not respond to 05)
06 00 = INITIATE
0E xx = SELECT ID (xx = Chip-ID)
0B = Get UID
08 yy = Read Block (yy = block number)
09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
0C = Reset to Inventory
0F = Completion
0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
ISO15693
MANDATORY COMMANDS (all ISO15693 tags must support those)
01 = Inventory (usage: 260100+2bytes ISO15693-CRC - answer: 12bytes)
02 = Stay Quiet
OPTIONAL COMMANDS (not all tags support them)
20 = Read Block (usage: 0220+1byte block number+2bytes ISO15693-CRC - answer: 4bytes)
21 = Write Block (usage: 0221+1byte block number+4bytes data+2bytes ISO15693-CRC - answer: 4bytes)
22 = Lock Block
23 = Read Multiple Blocks (usage: 0223+1byte 1st block to read+1byte last block to read+2bytes ISO15693-CRC)
25 = Select
26 = Reset to Ready
27 = Write AFI
28 = Lock AFI
29 = Write DSFID
2A = Lock DSFID
2B = Get_System_Info (usage: 022B+2bytes ISO15693-CRC - answer: 14 or more bytes)
2C = Read Multiple Block Security Status (usage: 022C+1byte 1st block security to read+1byte last block security to read+2bytes ISO15693-CRC)
EM Microelectronic CUSTOM COMMANDS
A5 = Active EAS (followed by 1byte IC Manufacturer code+1byte EAS type)
A7 = Write EAS ID (followed by 1byte IC Manufacturer code+2bytes EAS value)
B8 = Get Protection Status for a specific block (followed by 1byte IC Manufacturer code+1byte block number+1byte of how many blocks after the previous is needed the info)
E4 = Login (followed by 1byte IC Manufacturer code+4bytes password)
NXP/Philips CUSTOM COMMANDS
A0 = Inventory Read
A1 = Fast Inventory Read
A2 = Set EAS
A3 = Reset EAS
A4 = Lock EAS
A5 = EAS Alarm
A6 = Password Protect EAS
A7 = Write EAS ID
A8 = Read EPC
B0 = Inventory Page Read
B1 = Fast Inventory Page Read
B2 = Get Random Number
B3 = Set Password
B4 = Write Password
B5 = Lock Password
B6 = Bit Password Protection
B7 = Lock Page Protection Condition
B8 = Get Multiple Block Protection Status
B9 = Destroy SLI
BA = Enable Privacy
BB = 64bit Password Protection
40 = Long Range CMD (Standard ISO/TR7003:1990)
*/
#define ICLASS_CMD_ACTALL 0x0A
#define ICLASS_CMD_READ_OR_IDENTIFY 0x0C
#define ICLASS_CMD_SELECT 0x81
#define ICLASS_CMD_PAGESEL 0x84
#define ICLASS_CMD_READCHECK_KD 0x88
#define ICLASS_CMD_READCHECK_KC 0x18
#define ICLASS_CMD_CHECK 0x05
#define ICLASS_CMD_DETECT 0x0F
#define ICLASS_CMD_HALT 0x00
#define ICLASS_CMD_UPDATE 0x87
#define ICLASS_CMD_ACT 0x8E
#define ICLASS_CMD_READ4 0x06
#define ISO14443A_CMD_REQA 0x26
#define ISO14443A_CMD_READBLOCK 0x30
#define ISO14443A_CMD_WUPA 0x52
#define ISO14443A_CMD_ANTICOLL_OR_SELECT 0x93
#define ISO14443A_CMD_ANTICOLL_OR_SELECT_2 0x95
#define ISO14443A_CMD_WRITEBLOCK 0xA0 // or 0xA2 ?
#define ISO14443A_CMD_HALT 0x50
#define ISO14443A_CMD_RATS 0xE0
#define MIFARE_AUTH_KEYA 0x60
#define MIFARE_AUTH_KEYB 0x61
#define MIFARE_MAGICMODE 0x40
#define MIFARE_CMD_INC 0xC0
#define MIFARE_CMD_DEC 0xC1
#define MIFARE_CMD_RESTORE 0xC2
#define MIFARE_CMD_TRANSFER 0xB0
#define MIFARE_ULC_WRITE 0xA0
#define MIFARE_ULC_AUTH_1 0x1A
#define MIFARE_ULC_AUTH_2 0xAF
/**
06 00 = INITIATE
0E xx = SELECT ID (xx = Chip-ID)
0B = Get UID
08 yy = Read Block (yy = block number)
09 yy dd dd dd dd = Write Block (yy = block number; dd dd dd dd = data to be written)
0C = Reset to Inventory
0F = Completion
0A 11 22 33 44 55 66 = Authenticate (11 22 33 44 55 66 = data to authenticate)
**/
#define ISO14443B_REQB 0x05
#define ISO14443B_ATTRIB 0x1D
#define ISO14443B_HALT 0x50
#define ISO14443B_INITIATE 0x06
#define ISO14443B_SELECT 0x0E
#define ISO14443B_GET_UID 0x0B
#define ISO14443B_READ_BLK 0x08
#define ISO14443B_WRITE_BLK 0x09
#define ISO14443B_RESET 0x0C
#define ISO14443B_COMPLETION 0x0F
#define ISO14443B_AUTHENTICATE 0x0A
//First byte is 26
#define ISO15693_INVENTORY 0x01
#define ISO15693_STAYQUIET 0x02
//First byte is 02
#define ISO15693_READBLOCK 0x20
#define ISO15693_WRITEBLOCK 0x21
#define ISO15693_LOCKBLOCK 0x22
#define ISO15693_READ_MULTI_BLOCK 0x23
#define ISO15693_SELECT 0x25
#define ISO15693_RESET_TO_READY 0x26
#define ISO15693_WRITE_AFI 0x27
#define ISO15693_LOCK_AFI 0x28
#define ISO15693_WRITE_DSFID 0x29
#define ISO15693_LOCK_DSFID 0x2A
#define ISO15693_GET_SYSTEM_INFO 0x2B
#define ISO15693_READ_MULTI_SECSTATUS 0x2C
#define ISO_14443A 0
#define ICLASS 1
#define ISO_14443B 2
void annotateIso14443a(char *exp, size_t size, uint8_t* cmd, uint8_t cmdsize)
{

2
client/cmdhficlass.c
View file

@ -364,6 +364,8 @@ int CmdHFiClassReader_Dump(const char *Cmd)
snprintf(filename, 100,"iclass_tagdump-%02x%02x%02x%02x%02x%02x%02x%02x",
CSN[0],CSN[1],CSN[2],CSN[3],
CSN[4],CSN[5],CSN[6],CSN[7]);
//Place the div_key in block 3
memcpy(iclass_data+(3*8), div_key, 8);
saveFile(filename,"bin",iclass_data, iclass_datalen );
}
//Aaaand we're finished

29
client/loclass/cipher.c
View file

@ -39,14 +39,14 @@
#include "cipher.h"
#include "cipherutils.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <stdint.h>
#include <time.h>
//#include "fileutils.h"
uint8_t keytable[] = { 0,0,0,0,0,0,0,0};
#ifndef ON_DEVICE
#include "fileutils.h"
#endif
/**
* Definition 1 (Cipher state). A cipher state of iClass s is an element of F 40/2
@ -221,27 +221,27 @@ void MAC(uint8_t* k, BitstreamIn input, BitstreamOut out)
output(k,initState,&input_32_zeroes,&out);
}
void doMAC(uint8_t *cc_nr_p, int length, uint8_t *div_key_p, uint8_t mac[4])
void doMAC(uint8_t *cc_nr_p, uint8_t *div_key_p, uint8_t mac[4])
{
uint8_t *cc_nr;
uint8_t cc_nr[13] = { 0 };
uint8_t div_key[8];
cc_nr=(uint8_t*)malloc(length+1);
memcpy(cc_nr,cc_nr_p,length);
//cc_nr=(uint8_t*)malloc(length+1);
memcpy(cc_nr,cc_nr_p,12);
memcpy(div_key,div_key_p,8);
reverse_arraybytes(cc_nr,length);
BitstreamIn bitstream = {cc_nr,length * 8,0};
reverse_arraybytes(cc_nr,12);
BitstreamIn bitstream = {cc_nr,12 * 8,0};
uint8_t dest []= {0,0,0,0,0,0,0,0};
BitstreamOut out = { dest, sizeof(dest)*8, 0 };
MAC(div_key,bitstream, out);
//The output MAC must also be reversed
reverse_arraybytes(dest, sizeof(dest));
memcpy(mac, dest, 4);
//printf("Calculated_MAC\t%02x%02x%02x%02x\n", dest[0],dest[1],dest[2],dest[3]);
free(cc_nr);
//free(cc_nr);
return;
}
#ifndef ON_DEVICE
int testMAC()
{
prnlog("[+] Testing MAC calculation...");
@ -253,7 +253,7 @@ int testMAC()
uint8_t correct_MAC[4] = {0x1d,0x49,0xC9,0xDA};
uint8_t calculated_mac[4] = {0};
doMAC(cc_nr, 12,div_key, calculated_mac);
doMAC(cc_nr,div_key, calculated_mac);
if(memcmp(calculated_mac, correct_MAC,4) == 0)
{
@ -269,3 +269,4 @@ int testMAC()
return 0;
}
#endif

4
client/loclass/cipher.h
View file

@ -41,7 +41,9 @@
#define CIPHER_H
#include <stdint.h>
void doMAC(uint8_t *cc_nr_p, int length, uint8_t *div_key_p, uint8_t mac[4]);
void doMAC(uint8_t *cc_nr_p, uint8_t *div_key_p, uint8_t mac[4]);
#ifndef ON_DEVICE
int testMAC();
#endif
#endif // CIPHER_H

3
client/loclass/cipherutils.c
View file

@ -214,7 +214,7 @@ void printarr_human_readable(char * title, uint8_t* arr, int len)
// Code for testing below
//-----------------------------
#ifndef ON_DEVICE
int testBitStream()
{
uint8_t input [] = {0xDE,0xAD,0xBE,0xEF,0xDE,0xAD,0xBE,0xEF};
@ -287,3 +287,4 @@ int testCipherUtils(void)
retval |= testReversedBitstream();
return retval;
}
#endif

3
client/loclass/cipherutils.h
View file

@ -59,9 +59,10 @@ bool headBit( BitstreamIn *stream);
bool tailBit( BitstreamIn *stream);
void pushBit( BitstreamOut *stream, bool bit);
int bitsLeft( BitstreamIn *stream);
#ifndef ON_DEVICE
int testCipherUtils(void);
int testMAC();
#endif
void push6bits( BitstreamOut* stream, uint8_t bits);
void EncryptDES(bool key[56], bool outBlk[64], bool inBlk[64], int verbose) ;
void x_num_to_bytes(uint64_t n, size_t len, uint8_t* dest);

8
client/loclass/fileutils.c
View file

@ -35,6 +35,7 @@
*
*
****************************************************************************/
#ifndef ON_DEVICE
#include <stdio.h>
#include <string.h>
@ -108,3 +109,10 @@ void prnlog(char *fmt, ...)
PrintAndLog(buffer);
}
#else //if we're on ARM
void prnlog(char *fmt,...)
{
return;
}
#endif

6
client/loclass/fileutils.h
View file

@ -38,6 +38,9 @@
#ifndef FILEUTILS_H
#define FILEUTILS_H
#ifndef ON_DEVICE
/**
* @brief Utility function to save data to a file. This method takes a preferred name, but if that
* file already exists, it tries with another name until it finds something suitable.
@ -50,6 +53,8 @@
*/
int saveFile(const char *preferredName, const char *suffix, const void* data, size_t datalen);
int fileExists(const char *filename);
#endif //ON_DEVICE
/**
* Utility function to print to console. This is used consistently within the library instead
@ -59,5 +64,4 @@ int saveFile(const char *preferredName, const char *suffix, const void* data, si
* @param fmt
*/
void prnlog(char *fmt, ...);
int fileExists(const char *filename);
#endif // FILEUTILS_H