RfidResearchGroup/proxmark3
1
1
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-03-17 18:50:32 +08:00
Code Issues Projects Releases Packages Wiki Activity

fix

Browse source
This commit is contained in:
merlokk 2022-07-10 00:54:29 +03:00
parent 374f1907bb
commit fb3990086e
1 changed files with 6 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
armsrc/hfsnoop.c
View file

@ -48,13 +48,16 @@ static void RAMFUNC skipSniff(uint8_t *dest, uint16_t dsize, uint8_t skipMode, u
accum = val & 0xff;
if (accum < (val >> 8))
accum = val >> 8;
break;
case HF_SNOOP_SKIP_MIN:
if (accum > (val & 0xff))
accum = val & 0xff;
if (accum > (val >> 8))
accum = val >> 8;
break;
case HF_SNOOP_SKIP_AVG:
accum += (val & 0xff) + (val >> 8);
accum += (val & 0xff) + (val & 0xff);
break;
default: { // HF_SNOOP_SKIP_DROP and the rest
if (ratioindx == 0)
accum = val & 0xff;
@ -63,7 +66,6 @@ static void RAMFUNC skipSniff(uint8_t *dest, uint16_t dsize, uint8_t skipMode, u
ratioindx++;
if (ratioindx >= skipRatio) {
ratioindx = 0;
if (skipMode == HF_SNOOP_SKIP_AVG && skipRatio > 0) {
accum = accum / (skipRatio * 2);
if (accum <= 0xff)
@ -73,9 +75,11 @@ static void RAMFUNC skipSniff(uint8_t *dest, uint16_t dsize, uint8_t skipMode, u
} else {
*dest = accum;
}
dest++;
dsize --;
accum = (skipMode == HF_SNOOP_SKIP_MIN) ? 0xffffffff : 0;
ratioindx = 0;
}
}
}