X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/5636ee8ce6c74cd49ea204c838b77115c5a144e1..4a71da5a359c5f2449a19f19f2fbcbe7bb989ebb:/client/cmdhf14b.c
diff --git a/client/cmdhf14b.c b/client/cmdhf14b.c
index 39232a0a..1263e3a0 100644
--- a/client/cmdhf14b.c
+++ b/client/cmdhf14b.c
@@ -22,13 +22,15 @@
#include "cmdhf14b.h"
#include "cmdmain.h"
#include "cmdhf14a.h"
+#include "tea.h"
+#include "cmdhf.h"
+#include "prng.h"
+#include "sha1.h"
static int CmdHelp(const char *Cmd);
-int CmdHF14BList(const char *Cmd)
-{
- PrintAndLog("Deprecated command, use 'hf list 14b' instead");
-
+int CmdHF14BList(const char *Cmd) {
+ CmdHFList("14b");
return 0;
}
@@ -64,22 +66,21 @@ int CmdSri512Read(const char *Cmd)
* SRIX4K tags are ISO14443-B modulated memory tags,
* this command just dumps the contents of the memory/
*/
-int CmdSrix4kRead(const char *Cmd)
-{
+int CmdSrix4kRead(const char *Cmd) {
UsbCommand c = {CMD_READ_SRIX4K_TAG, {strtol(Cmd, NULL, 0), 0, 0}};
clearCommandBuffer();
SendCommand(&c);
return 0;
}
-
int rawClose(void){
UsbCommand resp;
UsbCommand c = {CMD_ISO_14443B_COMMAND, {0, 0, 0}};
clearCommandBuffer();
SendCommand(&c);
if (!WaitForResponseTimeout(CMD_ACK,&resp,1000)) {
- return 0;
+ PrintAndLog("Command time-out");
+ return 1;
}
return 0;
}
@@ -349,7 +350,7 @@ int print_ST_Lock_info(uint8_t model){
case 0x7: // (SRI4K)
//only need data[3]
blk1 = 9;
- PrintAndLog(" raw: %s",printBits(1,data+3));
+ PrintAndLog(" raw: %s", sprint_bin(data+3, 1));
PrintAndLog(" 07/08:%slocked", (data[3] & 1) ? " not " : " " );
for (uint8_t i = 1; i<8; i++){
PrintAndLog(" %02u:%slocked", blk1, (data[3] & (1 << i)) ? " not " : " " );
@@ -361,7 +362,7 @@ int print_ST_Lock_info(uint8_t model){
case 0xC: // (SRT512)
//need data[2] and data[3]
blk1 = 0;
- PrintAndLog(" raw: %s",printBits(2,data+2));
+ PrintAndLog(" raw: %s", sprint_bin(data+2, 2));
for (uint8_t b=2; b<4; b++){
for (uint8_t i=0; i<8; i++){
PrintAndLog(" %02u:%slocked", blk1, (data[b] & (1 << i)) ? " not " : " " );
@@ -372,7 +373,7 @@ int print_ST_Lock_info(uint8_t model){
case 0x2: // (SR176)
//need data[2]
blk1 = 0;
- PrintAndLog(" raw: %s",printBits(1,data+2));
+ PrintAndLog(" raw: %s", sprint_bin(data+2, 1));
for (uint8_t i = 0; i<8; i++){
PrintAndLog(" %02u/%02u:%slocked", blk1, blk1+1, (data[2] & (1 << i)) ? " " : " not " );
blk1+=2;
@@ -680,7 +681,7 @@ int CmdSriWrite( const char *Cmd){
return 0;
}
-int srix4kChecksum(uint32_t value) {
+uint32_t srix4kEncode(uint32_t value) {
/*
// vv = value
// pp = position
@@ -697,15 +698,6 @@ int srix4kChecksum(uint32_t value) {
uint8_t i = 0;
uint8_t valuebytes[] = {0,0,0};
- // if ( strlen(Cmd) > 0){
- // value = param_get32ex(Cmd, 0, 0, 16);
-
- // block = value & 0xFF;
-
- // value &= 0xFFFFFF00;
- // value >>=8;
- // }
-
num_to_bytes(value, 3, valuebytes);
// Scrambled part
@@ -725,8 +717,7 @@ int srix4kChecksum(uint32_t value) {
chksum -= NibbleLow(valuebytes[i]);
}
- // base4 conversion
- // and left shift twice
+ // base4 conversion and left shift twice
i = 3;
uint8_t base4[] = {0,0,0,0};
while( chksum !=0 ){
@@ -748,18 +739,90 @@ int srix4kChecksum(uint32_t value) {
( NibbleLow ( base4[3]) << 4 ) |
NibbleLow ( temp[1] );
- PrintAndLog("ICE | %08X", encvalue);
+ PrintAndLog("ICE encoded | %08X -> %08X", value, encvalue);
+ return encvalue;
+}
+uint32_t srix4kDecode(uint32_t value) {
+ switch(value) {
+ case 0xC04F42C5: return 0x003139;
+ case 0xC1484807: return 0x002943;
+ case 0xC0C60848: return 0x001A20;
+ }
return 0;
}
-int srix4kMagicbytes(){
+uint32_t srix4kDecodeCounter(uint32_t num) {
+ uint32_t value = ~num;
+ ++value;
+ return value;
+}
+
+uint32_t srix4kGetMagicbytes( uint64_t uid, uint32_t block6, uint32_t block18, uint32_t block19 ){
+#define MASK 0xFFFFFFFF;
+ uint32_t uid32 = uid & MASK;
+ uint32_t counter = srix4kDecodeCounter(block6);
+ uint32_t decodedBlock18 = srix4kDecode(block18);
+ uint32_t decodedBlock19 = srix4kDecode(block19);
+ uint32_t doubleBlock = (decodedBlock18 << 16 | decodedBlock19) + 1;
+
+ uint32_t result = (uid32 * doubleBlock * counter) & MASK;
+ PrintAndLog("Magic bytes | %08X", result);
+ return result;
+}
+int srix4kValid(const char *Cmd){
+
+ uint64_t uid = 0xD00202501A4532F9;
+ uint32_t block6 = 0xFFFFFFFF;
+ uint32_t block18 = 0xC04F42C5;
+ uint32_t block19 = 0xC1484807;
+ uint32_t block21 = 0xD1BCABA4;
+
+ uint32_t test_b18 = 0x00313918;
+ uint32_t test_b18_enc = srix4kEncode(test_b18);
+ //uint32_t test_b18_dec = srix4kDecode(test_b18_enc);
+ PrintAndLog("ENCODE & CHECKSUM | %08X -> %08X (%s)", test_b18, test_b18_enc , "");
+
+ uint32_t magic = srix4kGetMagicbytes(uid, block6, block18, block19);
+ PrintAndLog("BLOCK 21 | %08X -> %08X (no XOR)", block21, magic ^ block21);
return 0;
}
-int srix4kValid(){
+
+int CmdteaSelfTest(const char *Cmd){
+
+ uint8_t v[8], v_le[8];
+ memset(v, 0x00, sizeof(v));
+ memset(v_le, 0x00, sizeof(v_le));
+ uint8_t* v_ptr = v_le;
+
+ uint8_t cmdlen = strlen(Cmd);
+ cmdlen = ( sizeof(v)<<2 < cmdlen ) ? sizeof(v)<<2 : cmdlen;
+
+ if ( param_gethex(Cmd, 0, v, cmdlen) > 0 ){
+ PrintAndLog("can't read hex chars, uneven? :: %u", cmdlen);
+ return 1;
+ }
+
+ SwapEndian64ex(v , 8, 4, v_ptr);
+
+ // ENCRYPTION KEY:
+
+ uint8_t key[16] = {0x00};
+ uint8_t keyle[16];
+ uint8_t* key_ptr = keyle;
+ SwapEndian64ex(key , sizeof(key), 4, key_ptr);
+
+ PrintAndLog("TEST LE enc| %s", sprint_hex(v_ptr, 8));
+
+ tea_decrypt(v_ptr, key_ptr);
+ PrintAndLog("TEST LE dec | %s", sprint_hex_ascii(v_ptr, 8));
+
+ tea_encrypt(v_ptr, key_ptr);
+ tea_encrypt(v_ptr, key_ptr);
+ PrintAndLog("TEST enc2 | %s", sprint_hex_ascii(v_ptr, 8));
+
return 0;
}
-static command_t CommandTable[] =
-{
+static command_t CommandTable[] = {
{"help", CmdHelp, 1, "This help"},
{"info", CmdHF14Binfo, 0, "Find and print details about a 14443B tag"},
{"list", CmdHF14BList, 0, "[Deprecated] List ISO 14443B history"},
@@ -770,18 +833,18 @@ static command_t CommandTable[] =
{"srix4kread", CmdSrix4kRead, 0, "Read contents of a SRIX4K tag"},
{"sriwrite", CmdSriWrite, 0, "Write data to a SRI512 | SRIX4K tag"},
{"raw", CmdHF14BCmdRaw, 0, "Send raw hex data to tag"},
- //{"calcSrix4", srix4kchksum, 1, "a srix4k checksum test"},
+ //{"valid", srix4kValid, 1, "srix4k checksum test"},
+ {"valid", CmdteaSelfTest, 1, "tea test"},
{NULL, NULL, 0, NULL}
};
-int CmdHF14B(const char *Cmd)
-{
+int CmdHF14B(const char *Cmd) {
+ clearCommandBuffer();
CmdsParse(CommandTable, Cmd);
return 0;
}
-int CmdHelp(const char *Cmd)
-{
+int CmdHelp(const char *Cmd) {
CmdsHelp(CommandTable);
return 0;
}