dash/proxmark3
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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
parent edc19f202a
commit 60f292b18e
249 changed files with 8481 additions and 8481 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
common/crc.c
View File

@@ -5,7 +5,7 @@
//-----------------------------------------------------------------------------
// Generic CRC calculation code.
//-----------------------------------------------------------------------------
// the Check value below in the comments is CRC of the string '123456789'
// the Check value below in the comments is CRC of the string '123456789'
//
#include "crc.h"
@@ -29,21 +29,21 @@ void crc_init(crc_t *crc, int order, uint32_t polynom, uint32_t initial_value, u
}
void crc_clear(crc_t *crc) {
crc->state = crc->initial_value & crc->mask;
if (crc->refin)
if (crc->refin)
crc->state = reflect(crc->state, crc->order);
}
void crc_update2(crc_t *crc, uint32_t data, int data_width){
if (crc->refin)
if (crc->refin)
data = reflect(data, data_width);
// Bring the next byte into the remainder.
crc->state ^= data << (crc->order - data_width);
for( uint8_t bit = data_width; bit > 0; --bit) {
for( uint8_t bit = data_width; bit > 0; --bit) {
if (crc->state & crc->topbit)
crc->state = (crc->state << 1) ^ crc->polynom;
@@ -54,9 +54,9 @@ void crc_update2(crc_t *crc, uint32_t data, int data_width){
void crc_update(crc_t *crc, uint32_t data, int data_width)
{
if (crc->refin)
if (crc->refin)
data = reflect(data, data_width);
int i;
for(i=0; i<data_width; i++) {
int oldstate = crc->state;
@@ -70,7 +70,7 @@ void crc_update(crc_t *crc, uint32_t data, int data_width)
uint32_t crc_finish(crc_t *crc) {
uint32_t val = crc->state;
if (crc->refout)
if (crc->refout)
val = reflect(val, crc->order);
return ( val ^ crc->final_xor ) & crc->mask;
}
@@ -94,7 +94,7 @@ static void print_crc(crc_t *crc) {
// width=8 poly=0x31 init=0x00 refin=true refout=true xorout=0x00 check=0xA1 name="CRC-8/MAXIM"
uint32_t CRC8Maxim(uint8_t *buff, size_t size) {
crc_t crc;
crc_init_ref(&crc, 8, 0x31, 0, 0, true, true);
crc_init_ref(&crc, 8, 0x31, 0, 0, true, true);
for ( int i=0; i < size; ++i)
crc_update2(&crc, buff[i], 8);
return crc_finish(&crc);
@@ -114,7 +114,7 @@ uint32_t CRC4Legic(uint8_t *cmd, size_t size) {
crc_update2(&crc, 1, 1); /* CMD_READ */
crc_update2(&crc, cmd[0], 8);
crc_update2(&crc, cmd[1], 8);
return reflect(crc_finish(&crc), 4);
return reflect(crc_finish(&crc), 4);
}
// width=8 poly=0x63, reversed poly=0x8D init=0x55 refin=true refout=true xorout=0x0000 check=0xC6 name="CRC-8/LEGIC"
// the CRC needs to be reversed before returned.