github/RRG-Proxmark3
1
0
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-08-21 13:53:55 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

remove spurious spaces & tabs at end of lines

Browse source
This commit is contained in:
Philippe Teuwen 2019-03-09 08:59:13 +01:00
commit 60f292b18e
249 changed files with 8481 additions and 8481 deletions
Download patch file Download diff file Expand all files Collapse all files

46
common/wiegand.c
View file

@ -17,7 +17,7 @@
*/
uint8_t getParity( uint8_t *bits, uint8_t len, uint8_t type ) {
uint8_t x = 0;
for(; len > 0; --len)
for(; len > 0; --len)
x += bits[len - 1];
return (x & 1 ) ^ type;
@ -35,7 +35,7 @@ uint8_t checkParity(uint32_t bits, uint8_t len, uint8_t type);
// by marshmellow
// takes a array of binary values, start position, length of bits per parity (includes parity bit),
// Parity Type (1 for odd; 0 for even; 2 for Always 1's; 3 for Always 0's), and binary Length (length to run)
// Parity Type (1 for odd; 0 for even; 2 for Always 1's; 3 for Always 0's), and binary Length (length to run)
size_t removeParity(uint8_t *bitstream, size_t startIdx, uint8_t pLen, uint8_t pType, size_t bLen) {
uint32_t parityWd = 0;
size_t j = 0, bitcount = 0;
@ -69,10 +69,10 @@ size_t removeParity(uint8_t *bitstream, size_t startIdx, uint8_t pLen, uint8_t p
* @brief addParity
* @param bits pointer to the source bitstream of binary values
* @param dest pointer to the destination where parities together with bits are added.
* @param sourceLen number of
* @param sourceLen number of
* @param pLen length bits to be checked
* @param pType EVEN|ODD|2 (always 1's)|3 (always 0's)
* @return
* @return
*/
size_t addParity(uint8_t *bits, uint8_t *dest, uint8_t sourceLen, uint8_t pLen, uint8_t pType)
{
@ -83,12 +83,12 @@ size_t addParity(uint8_t *bits, uint8_t *dest, uint8_t sourceLen, uint8_t pLen,
parityWd = (parityWd << 1) | bits[word+bit];
dest[j++] = (bits[word+bit]);
}
// if parity fails then return 0
switch (pType) {
case 3: dest[j++] = 0; break; // marker bit which should be a 0
case 2: dest[j++] = 1; break; // marker bit which should be a 1
default:
default:
dest[j++] = parityTest(parityWd, pLen-1, pType) ^ 1;
break;
}
@ -115,34 +115,34 @@ void wiegand_add_parity(uint8_t *source, uint8_t *dest, uint8_t len) {
// half length, Even and Odd is calculated to the middle.
uint8_t len_h2 = length >> 1;
// add EVEN parity at the beginning
*(dest) = GetParity(source, EVEN, len_h2);
dest += length + 1;
// add ODD parity at the very end
*(dest) = GetParity(source + len_h2, ODD, len_h2);
}
//uint32_t bytebits_to_byte(uint8_t* src, size_t numbits);
#define MAX_BITS_TXX55 6*4*8
#define MAX_BYTES_TXX55 6*4
#define MAX_BYTES_TXX55 6*4
/*
* @brief num_to_wiegand_bytes
* @param oem Sometimes call FF Fixfield, SiteCode. Used in a few formats
* @param fc Facility code
* @param fc Facility code
* @param cn Card number
* @param dest pointer to the destination where wiegand bytes will be stored
* @param formatlen
* @param formatlen
*/
void num_to_wiegand_bytes(uint64_t oem, uint64_t fc, uint64_t cn, uint8_t *dest, uint8_t formatlen){
uint8_t data[MAX_BITS_TXX55] = {0};
memset(data, 0, sizeof(data));
num_to_wiegand_bits(oem, fc, cn, data, formatlen);
// loop
// (formatlen / 32 ) + 1
// (formatlen >> 5) + 1
@ -150,15 +150,15 @@ void num_to_wiegand_bytes(uint64_t oem, uint64_t fc, uint64_t cn, uint8_t *dest,
uint32_t value = bytebits_to_byte( data + (i * 32), 32);
num_to_bytes(value, 32, dest + (i*4) );
}
}
/*
* @brief num_to_wiegand_bits
* @param oem Sometimes call FF Fixfield, SiteCode. Used in a few formats
* @param fc Facility code
* @param fc Facility code
* @param cn Card number
* @param dest pointer to the destination where wiegand bits will be stored
* @param formatlen
* @param formatlen
*/
void num_to_wiegand_bits(uint64_t oem, uint64_t fc, uint64_t cn, uint8_t *dest, uint8_t formatlen){
@ -166,8 +166,8 @@ void num_to_wiegand_bits(uint64_t oem, uint64_t fc, uint64_t cn, uint8_t *dest,
memset(bits, 0, sizeof(bits));
uint8_t *temp = bits;
uint64_t value = 0;
switch ( formatlen ){
switch ( formatlen ){
case 26 : // 26bit HID H10301
fc &= 0xFF; // 8bits
cn &= 0xFFFF; // 16bits
@ -175,26 +175,26 @@ void num_to_wiegand_bits(uint64_t oem, uint64_t fc, uint64_t cn, uint8_t *dest,
num_to_bytebits(value, 24, temp);
wiegand_add_parity(temp, dest, 24);
break;
case 261: // 26bit Indala
case 261: // 26bit Indala
fc &= 0xFFF; // 12bits
cn &= 0xFFF; // 12bits
value = fc << 12 | cn;
num_to_bytebits(value, 24, temp);
wiegand_add_parity(temp, dest, 24);
wiegand_add_parity(temp, dest, 24);
break;
case 34 : // 34bits HID
fc &= 0xFFFF; // 16bits
cn &= 0xFFFF; // 16bits
value = fc << 16 | cn;
num_to_bytebits(value, 32, temp);
wiegand_add_parity(temp, dest, 32);
wiegand_add_parity(temp, dest, 32);
break;
case 35 : // 35bits HID
fc &= 0xFFF; // 12bits
cn &= 0xFFFFFF; // 20bits
value = fc << 20 | cn;
num_to_bytebits(value, 32, temp);
wiegand_add_parity(temp, dest, 32);
wiegand_add_parity(temp, dest, 32);
break;
case 37 : // H10304
fc &= 0xFFFF; // 16bits