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fix: 'lf indala' Commit 1dae981 extended the amount of

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fixed bits searched for when decoding 64-bit Indala. These additional
bits come from the end of one UID, and therefore need to be skipped past
when actually retrieving the UID.  (@megabug)
b05611a30b
This commit is contained in:
iceman1001 2018-03-28 12:53:27 +02:00
parent b26919b24d
commit 230c279124
1 changed files with 5 additions and 1 deletions
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6
client/cmdlfindala.c
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@ -58,6 +58,7 @@ int usage_lf_indala_clone(void) {
// indala id decoding
int indala64decode(uint8_t *dest, size_t *size, uint8_t *invert) {
//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_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 idx = 0;
@ -69,7 +70,10 @@ int indala64decode(uint8_t *dest, size_t *size, uint8_t *invert) {
}
if (found_size != 64) return -2;
if (*invert==1)
// Skip the aforementioned 3 bits from the previous UID
startidx += 3;
if (*invert == 1)
for (size_t i = idx; i < found_size + idx; i++)
dest[i] ^= 1;