#include "cmddata.h" //for g_debugMode, demodbuff cmds
#include "lfdemod.h" // for HIDdemodFSK
#include "parity.h" // for parity
-#include "util.h" // for param_get8,32
+#include "util.h" // for param_get8,32,64
static int CmdHelp(const char *Cmd);
-
/**
- * Packs a "short" (<38-bit) HID ID from component parts.
- *
- * This only works with 26, 34, 35 and 37 bit card IDs.
+ * Packs an HID ID from component parts.
*
- * NOTE: Parity calculation is only supported on 26-bit tags. Other card lengths
- * may have invalid parity.
+ * This only works with 26, 34, 35, 37, and 48 bit card IDs.
*
* Returns false on invalid inputs.
*/
-bool pack_short_hid(/* out */ uint32_t *hi, /* out */ uint32_t *lo, /* in */ const short_hid_info *info) {
- uint32_t high = 0, low = 0;
+bool pack_hid(/* out */ uint32_t *hi2, /* out */ uint32_t *hi, /* out */ uint32_t *lo, /* in */ const hid_info *info) {
+ uint32_t higher = 0, high = 0, low = 0;
switch (info->fmtLen) {
- case 26: // HID H10301
- low |= (info->cardnum & 0xffff) << 1;
- low |= (info->fc & 0xff) << 17;
+ case 26: // HID H10301
+ low |= (info->cardnum & 0xffff) << 1;
+ low |= (info->fc & 0xff) << 17;
- if (info->parityValid) {
- // Calculate parity
- low |= oddparity32((low >> 1) & 0xfff) & 1;
- low |= (evenparity32((low >> 13) & 0xfff) & 1) << 25;
- }
+ if (info->parityValid) {
+ // Calculate parity
+ low |= oddparity32((low >> 1) & 0xfff) & 1;
+ low |= (evenparity32((low >> 13) & 0xfff) & 1) << 25;
+ }
break;
- case 34:
+ case 34: // H10306
low |= (info->cardnum & 0xffff) << 1;
low |= (info->fc & 0x7fff) << 17;
high |= (info->fc & 0x8000) >> 15;
- // TODO: Calculate parity
+
+ if (info->parityValid) {
+ // Calculate parity
+ high |= (evenparity32((high & 0x00000001) ^ (low & 0xFFFE0000)) & 1) << 1;
+ low |= (oddparity32(low & 0x0001FFFE) & 1);
+ }
break;
- case 35:
+ case 35: // (Corporate 1000 35-bit)
low |= (info->cardnum & 0xfffff) << 1;
low |= (info->fc & 0x7ff) << 21;
high |= (info->fc & 0x800) >> 11;
- // TODO: Calculate parity
+
+ if (info->parityValid) {
+ // Calculate parity
+ high |= (evenparity32((high & 0x00000001) ^ (low & 0xB6DB6DB6)) & 1) << 1;
+ low |= (oddparity32( (high & 0x00000003) ^ (low & 0x6DB6DB6C)) & 1);
+ high |= (oddparity32( (high & 0x00000003) ^ (low & 0xFFFFFFFF)) & 1) << 2;
+ }
break;
- case 37:
+ case 37: //H10304
low |= (info->cardnum & 0x7ffff) << 1;
low |= (info->fc & 0xfff) << 20;
high |= (info->fc & 0xf000) >> 12;
- // TODO: Calculate parity
+
+ if (info->parityValid) {
+ // Calculate parity
+ high |= (evenparity32((high & 0x0000000F) ^ (low & 0xFFFC0000)) & 1) << 4;
+ low |= (oddparity32(low & 0x0007FFFE) & 1);
+ }
+ break;
+
+ case 48: // Corporate 1000 48-bit
+ low |= (info->cardnum & 0x7FFFFF) << 1;
+ low |= (info->fc & 0xff) << 24;
+ high |= (info->fc & 0x3FFF00) >> 8;
+
+ if (info->parityValid) {
+ // Calculate parity
+ high |= (evenparity32((high & 0x00001B6D) ^ (low & 0xB6DB6DB6)) & 1) << 14;
+ low |= (oddparity32( (high & 0x000036DB) ^ (low & 0x6DB6DB6C)) & 1);
+ high |= (oddparity32( (high & 0x00007FFF) ^ (low & 0xFFFFFFFF)) & 1) << 15;
+ }
break;
default:
// Invalid / unsupported length
return false;
}
-
- // Set the highest bit
- if (info->fmtLen != 37) {
+
+ // Set the format length bits
+ if (info->fmtLen < 37) {
// Bit 37 is always set
high |= 0x20;
// Set the bit corresponding to the length.
- if (info->fmtLen < 32) {
+ if (info->fmtLen < 32)
low |= 1 << info->fmtLen;
- } else {
+ else
high |= 1 << (info->fmtLen - 32);
- }
+
+ } else if (info->fmtLen > 37){
+ if (info->fmtLen < 64)
+ high |= 1 << (info->fmtLen - 32);
+ else
+ higher |= 1 << (info->fmtLen - 64);
}
-
// Return result only if successful.
+ *hi2 = higher;
*hi = high;
*lo = low;
return true;
}
-
/**
- * Unpacks a "short" (<38-bit) HID ID into its component parts.
+ * Unpacks an HID ID into its component parts.
*
- * This only works with 26, 34, 35 and 37 bit card IDs.
- *
- * NOTE: Parity checking is only supported on 26-bit tags.
+ * This only works with 26, 34, 35, 37, and 48 bit card IDs.
*
* Returns false on invalid inputs.
*/
-bool unpack_short_hid(short_hid_info *out, uint32_t hi, uint32_t lo) {
- memset(out, 0, sizeof(short_hid_info));
-
- if (((hi >> 5) & 1) == 1) {
- // if bit 38 is set then < 37 bit format is used
- uint32_t lo2 = 0;
- // get bits 21-37 to check for format len bit
- lo2 = (((hi & 31) << 12) | (lo >> 20));
- uint8_t idx3 = 1;
- // find last bit set to 1 (format len bit)
- while (lo2 > 1) {
- lo2 = lo2 >> 1;
- idx3++;
- }
-
- out->fmtLen = idx3 + 19;
+bool unpack_hid(hid_info *out, uint32_t hi2, uint32_t hi, uint32_t lo) {
+ memset(out, 0, sizeof(hid_info));
+ uint8_t fmtLen = 0;
+
+ uint32_t hFmt; // for calculating card length
+ if ((hi2 & 0x000FFFFF) > 0) { // > 64 bits
+ hFmt = hi2 & 0x000FFFFF;
+ fmtLen = 64;
+ } else if ((hi & 0xFFFFFFC0) > 0) { // < 63-38 bits
+ hFmt = hi & 0xFFFFFFC0;
+ fmtLen = 32;
+ } else if ((hi & 0x00000020) == 0) { // 37 bits
+ hFmt = 0;
+ fmtLen = 37;
+ } else if ((hi & 0x0000001F) > 0){ // 36-32 bits
+ hFmt = hi & 0x0000001F;
+ fmtLen = 32;
+ } else { // <32 bits
+ hFmt = lo;
+ fmtLen = 0;
+ }
- switch (out->fmtLen) {
+ while (hFmt > 1) {
+ hFmt >>= 1;
+ fmtLen++;
+ }
+ out->fmtLen = fmtLen;
+ switch (out->fmtLen) {
case 26: // HID H10301
out->cardnum = (lo >> 1) & 0xFFFF;
out->fc = (lo >> 17) & 0xFF;
((evenparity32((lo >> 13) & 0xFFF) & 1) == ((lo >> 25) & 1));
break;
- case 34:
+ case 34: // HID H10306
out->cardnum = (lo >> 1) & 0xFFFF;
out->fc = ((hi & 1) << 15) | (lo >> 17);
- // TODO: Calculate parity
+ out->parityValid =
+ ((evenparity32((hi & 0x00000001) ^ (lo & 0xFFFE0000)) & 1) == ((hi >> 1) & 1)) &&
+ ((oddparity32(lo & 0x0001FFFE) & 1) == ((lo & 1)));
break;
- case 35:
+ case 35: // HID Corporate 1000-35
out->cardnum = (lo >> 1) & 0xFFFFF;
out->fc = ((hi & 1) << 11) | (lo >> 21);
- // TODO: Calculate parity
+ out->parityValid =
+ (evenparity32((hi & 0x00000001) ^ (lo & 0xB6DB6DB6)) == ((hi >> 1) & 1)) &&
+ (oddparity32( (hi & 0x00000003) ^ (lo & 0x6DB6DB6C)) == ((lo >> 0) & 1)) &&
+ (oddparity32( (hi & 0x00000003) ^ (lo & 0xFFFFFFFF)) == ((hi >> 2) & 1));
+ if (g_debugMode) {
+ PrintAndLog("Parity check: calculated {%d, %d, %d}, provided {%d, %d, %d}",
+ evenparity32((hi & 0x00000001) ^ (lo & 0xB6DB6DB6)),
+ oddparity32( (hi & 0x00000003) ^ (lo & 0x6DB6DB6C)),
+ oddparity32( (hi & 0x00000003) ^ (lo & 0xFFFFFFFF)),
+ ((hi >> 1) & 1),
+ ((lo >> 0) & 1),
+ ((hi >> 2) & 1)
+ );
+ }
+ break;
+
+ case 37: // HID H10304
+ out->fmtLen = 37;
+ out->cardnum = (lo >> 1) & 0x7FFFF;
+ out->fc = ((hi & 0xF) << 12) | (lo >> 20);
+ out->parityValid =
+ (evenparity32((hi & 0x0000000F) ^ (lo & 0xFFFC0000)) == ((hi >> 4) & 1)) &&
+ (oddparity32( lo & 0x0007FFFE) == (lo & 1));
+ break;
+
+ case 48: // HID Corporate 1000-48
+ out->cardnum = (lo >> 1) & 0x7FFFFF; //Start 24, 23 length
+ out->fc = ((hi & 0x3FFF) << 8 ) | (lo >> 24); //Start 2, 22 length
+ out->parityValid =
+ (evenparity32((hi & 0x00001B6D) ^ (lo & 0xB6DB6DB6)) == ((hi >> 14) & 1)) &&
+ (oddparity32( (hi & 0x000036DB) ^ (lo & 0x6DB6DB6C)) == ((lo >> 0) & 1)) &&
+ (oddparity32( (hi & 0x00007FFF) ^ (lo & 0xFFFFFFFF)) == ((hi >> 15) & 1));
+ if (g_debugMode) {
+ PrintAndLog("Parity check: calculated {%d, %d, %d}, provided {%d, %d, %d}",
+ evenparity32((hi & 0x00001B6D) ^ (lo & 0xB6DB6DB6)),
+ oddparity32( (hi & 0x000036DB) ^ (lo & 0x6DB6DB6C)),
+ oddparity32( (hi & 0x00007FFF) ^ (lo & 0xFFFFFFFF)),
+ ((hi >> 14) & 1),
+ ((lo >> 0) & 1),
+ ((hi >> 15) & 1)
+ );
+ }
break;
default:
return false;
- }
- } else {
- // If bit 38 is not set, then 37 bit format is used
- out->fmtLen = 37;
- out->cardnum = (lo >> 1) & 0x7FFFF;
- out->fc = ((hi & 0xF) << 12) | (lo >> 20);
- // TODO: Calculate parity
}
return true;
}
-
/**
- * Converts a hex string to component "hi" and "lo" 32-bit integers, one nibble
+ * Converts a hex string to component "hi2", "hi" and "lo" 32-bit integers, one nibble
* at a time.
*
* Returns the number of nibbles (4 bits) entered.
*/
-int hexstring_to_int64(/* out */ uint32_t* hi, /* out */ uint32_t* lo, const char* str) {
+int hexstring_to_int96(/* out */ uint32_t* hi2,/* out */ uint32_t* hi, /* out */ uint32_t* lo, const char* str) {
// TODO: Replace this with param_gethex when it supports arbitrary length
// inputs.
int n = 0, i = 0;
while (sscanf(&str[i++], "%1x", &n ) == 1) {
+ *hi2 = (*hi2 << 4) | (*hi >> 28);
*hi = (*hi << 4) | (*lo >> 28);
*lo = (*lo << 4) | (n & 0xf);
}
if (g_debugMode) PrintAndLog("DEBUG: Error - no values found");
return 0;
}
- if (hi2 != 0){ //extra large HID tags
- PrintAndLog("HID Prox TAG ID: %x%08x%08x (%d)",
- (unsigned int) hi2, (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF);
- }
- else { //standard HID tags <38 bits
- short_hid_info card_info;
- bool ret = unpack_short_hid(&card_info, (uint32_t)hi, (uint32_t)lo);
+
+ hid_info card_info;
+ bool ret = unpack_hid(&card_info, (uint32_t)hi2, (uint32_t)hi, (uint32_t)lo);
+
+ if (hi2 != 0)
+ PrintAndLog("HID Prox TAG ID: %x%08x%08x (%d) - Format Len: %u bits - FC: %u - Card: %u",
+ (unsigned int) hi2, (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF,
+ card_info.fmtLen, card_info.fc, card_info.cardnum);
+ else
PrintAndLog("HID Prox TAG ID: %x%08x (%d) - Format Len: %u bits - FC: %u - Card: %u",
(unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF,
card_info.fmtLen, card_info.fc, card_info.cardnum);
- if (card_info.fmtLen == 26) {
- PrintAndLog("Parity: %s", card_info.parityValid ? "valid" : "invalid");
- }
-
- if (!ret) {
- PrintAndLog("Invalid or unsupported tag length.");
- }
+ if (card_info.fmtLen == 26 || card_info.fmtLen == 35 || card_info.fmtLen == 48) {
+ PrintAndLog("Parity: %s", card_info.parityValid ? "valid" : "invalid");
+ }
+ if (!ret) {
+ PrintAndLog("Invalid or unsupported tag length.");
}
setDemodBuf(BitStream,BitLen,idx);
setClockGrid(50, waveIdx + (idx*50));
int CmdHIDSim(const char *Cmd)
{
- uint32_t hi = 0, lo = 0;
- hexstring_to_int64(&hi, &lo, Cmd);
- if (hi >= 0x40) {
+ uint32_t hi2 = 0, hi = 0, lo = 0;
+ hexstring_to_int96(&hi2, &hi, &lo, Cmd);
+ if (hi >= 0x40 || hi2 != 0) {
PrintAndLog("This looks like a long tag ID. Use 'lf simfsk' for long tags. Aborting!");
return 0;
}
{
unsigned int hi2 = 0, hi = 0, lo = 0;
UsbCommand c;
-
- if (strchr(Cmd,'l') != 0) {
- int n = 0, i = 0;
-
- while (sscanf(&Cmd[i++], "%1x", &n ) == 1) {
- hi2 = (hi2 << 4) | (hi >> 28);
- hi = (hi << 4) | (lo >> 28);
- lo = (lo << 4) | (n & 0xf);
- }
-
+ hexstring_to_int96(&hi2, &hi, &lo, Cmd);
+
+ if (hi >= 0x40 || hi2 != 0) {
PrintAndLog("Cloning tag with long ID %x%08x%08x", hi2, hi, lo);
-
c.d.asBytes[0] = 1;
- }
- else {
- hexstring_to_int64(&hi, &lo, Cmd);
- if (hi >= 0x40) {
- PrintAndLog("This looks like a long tag ID. Aborting!");
- return 0;
- }
-
+ } else {
PrintAndLog("Cloning tag with ID %x%08x", hi, lo);
-
- hi2 = 0;
c.d.asBytes[0] = 0;
}
int CmdHIDPack(const char *Cmd) {
- uint32_t hi = 0, lo = 0;
- short_hid_info card_info;
-
+ uint32_t hi2 = 0, hi = 0, lo = 0;
+
if (strlen(Cmd)<3) {
PrintAndLog("Usage: lf hid pack <length> <facility code (decimal)> <card number (decimal)>");
PrintAndLog(" sample: lf hid pack 26 123 4567");
return 0;
}
+ uint8_t fmtLen = param_get8(Cmd, 0);
- card_info.fmtLen = param_get8(Cmd, 0);
+ hid_info card_info;
+ card_info.fmtLen = fmtLen;
card_info.fc = param_get32ex(Cmd, 1, 0, 10);
- card_info.cardnum = param_get32ex(Cmd, 2, 0, 10);
+ card_info.cardnum = param_get64ex(Cmd, 2, 0, 10);
card_info.parityValid = true;
- // TODO
- if (card_info.fmtLen != 26) {
- PrintAndLog("Warning: Parity bits are only calculated for 26 bit IDs -- this may be invalid!");
- }
-
- bool ret = pack_short_hid(&hi, &lo, &card_info);
-
+ bool ret = pack_hid(&hi2, &hi, &lo, &card_info);
if (ret) {
- PrintAndLog("HID Prox TAG ID: %x%08x (%d) - Format Len: %u bits - FC: %u - Card: %u",
- (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF,
- card_info.fmtLen, card_info.fc, card_info.cardnum);
+ if (hi2 != 0) {
+ PrintAndLog("HID Prox TAG ID: %x%08x%08x (%d) - Format Len: %u bits - FC: %u - Card: %u",
+ (unsigned int) hi2, (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF,
+ card_info.fmtLen, card_info.fc, card_info.cardnum);
+ } else {
+ PrintAndLog("HID Prox TAG ID: %x%08x (%d) - Format Len: %u bits - FC: %u - Card: %u",
+ (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF,
+ card_info.fmtLen, card_info.fc, card_info.cardnum);
+ }
} else {
PrintAndLog("Invalid or unsupported tag length.");
}
int CmdHIDUnpack(const char *Cmd)
{
- uint32_t hi = 0, lo = 0;
+ uint32_t hi2 = 0, hi = 0, lo = 0;
if (strlen(Cmd)<1) {
PrintAndLog("Usage: lf hid unpack <ID>");
PrintAndLog(" sample: lf hid unpack 2006f623ae");
return 0;
}
- hexstring_to_int64(&hi, &lo, Cmd);
- if (hi >= 0x40) {
- PrintAndLog("This looks like a long tag ID. Aborting!");
- return 0;
- }
-
- short_hid_info card_info;
- bool ret = unpack_short_hid(&card_info, hi, lo);
+ hexstring_to_int96(&hi2, &hi, &lo, Cmd);
+
+ hid_info card_info;
+ bool ret = unpack_hid(&card_info, hi2, hi, lo);
- PrintAndLog("HID Prox TAG ID: %x%08x (%d) - Format Len: %u bits - FC: %u - Card: %u",
- (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF,
- card_info.fmtLen, card_info.fc, card_info.cardnum);
-
- if (card_info.fmtLen == 26) {
- PrintAndLog("Parity: %s", card_info.parityValid ? "valid" : "invalid");
+ if (hi2 != 0) {
+ PrintAndLog("HID Prox TAG ID: %x%08x%08x (%d) - Format Len: %u bits - FC: %u - Card: %u",
+ (unsigned int) hi2, (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF,
+ card_info.fmtLen, card_info.fc, card_info.cardnum);
+ } else {
+ PrintAndLog("HID Prox TAG ID: %x%08x (%d) - Format Len: %u bits - FC: %u - Card: %u",
+ (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF,
+ card_info.fmtLen, card_info.fc, card_info.cardnum);
}
-
+ PrintAndLog("Parity: %s", card_info.parityValid ? "valid" : "invalid");
+
if (!ret) {
PrintAndLog("Invalid or unsupported tag length.");
}
{"demod", CmdFSKdemodHID, 1, "Demodulate HID Prox from GraphBuffer"},
{"read", CmdHIDReadFSK, 0, "['1'] Realtime HID FSK Read from antenna (option '1' for one tag only)"},
{"sim", CmdHIDSim, 0, "<ID> -- HID tag simulator"},
- {"clone", CmdHIDClone, 0, "<ID> ['l'] -- Clone HID to T55x7 (tag must be in antenna)(option 'l' for 84bit ID)"},
- {"pack", CmdHIDPack, 1, "<len> <fc> <num> -- packs a <38 bit (short) HID ID from its length, facility code and card number"},
- {"unpack", CmdHIDUnpack, 1, "<ID> -- unpacks a <38 bit (short) HID ID to its length, facility code and card number"},
+ {"clone", CmdHIDClone, 0, "<ID> -- Clone HID to T55x7 (tag must be in antenna)"},
+ {"pack", CmdHIDPack, 1, "<len> <fc> <num> -- packs an HID ID from its length, facility code and card number"},
+ {"unpack", CmdHIDUnpack, 1, "<ID> -- unpacks an HID ID to its length, facility code and card number"},
{NULL, NULL, 0, NULL}
};
projects / proxmark3-svn / commitdiff