github/proxmark3
1
0
Fork 0
mirror of https://github.com/Proxmark/proxmark3.git synced 2025-07-11 07:46:09 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

Merge pull request #588 from megabug/indala-preamble-fix

Browse source 
Fix offset Indala UID display
This commit is contained in:
Iceman 2018-03-28 13:10:33 +02:00 • committed by GitHub
commit 6c7a3bd7ce
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

5
common/lfdemod.c
View file

@ -1780,6 +1780,7 @@ int IOdemodFSK(uint8_t *dest, size_t size, int *waveStartIdx) {
// indala id decoding // indala id decoding
int indala64decode(uint8_t *bitStream, size_t *size, uint8_t *invert) { int indala64decode(uint8_t *bitStream, size_t *size, uint8_t *invert) {
//standard 64 bit indala formats including 26 bit 40134 format //standard 64 bit indala formats including 26 bit 40134 format
// Note: these start with 3 bits from the end of one UID; the rest are from a subsequent one
uint8_t preamble64[] = {1,0,1,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 1}; uint8_t preamble64[] = {1,0,1,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 0,0,0,0, 1};
uint8_t preamble64_i[] = {0,1,0,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 0}; uint8_t preamble64_i[] = {0,1,0,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, 0};
size_t startidx = 0; size_t startidx = 0;
@ -1791,6 +1792,10 @@ int indala64decode(uint8_t *bitStream, size_t *size, uint8_t *invert) {
*invert ^= 1; *invert ^= 1;
} }
if (found_size != 64) return -2; if (found_size != 64) return -2;
// Skip the aforementioned 3 bits from the previous UID
startidx += 3;
if (*invert==1) if (*invert==1)
for (size_t i = startidx; i < found_size + startidx; i++) for (size_t i = startidx; i < found_size + startidx; i++)
bitStream[i] ^= 1; bitStream[i] ^= 1;