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add PIN transcoding

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This commit is contained in:
Matthias Oesterheld
2024-10-15 20:27:52 +02:00
parent b48102f9a6
commit c592726bd4
6 changed files with 34 additions and 4 deletions
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15
source/HomeAssistantPinConfirmation.mc
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@ -118,10 +118,17 @@ class HomeAssistantPinConfirmationDelegate extends WatchUi.BehaviorDelegate {
return true;
}
function getTranscodedCurrentDigit() as Number {
var currentDigit = mPin[mCurrentIndex].toString().toNumber(); // this is ugly, but apparently the only way for char<->number comparisons
// TODO: Transcode digit using a pin mask for additional security
return currentDigit;
function getTranscodedCurrentDigit() as Number or Null {
var currentDigit = mPin[mCurrentIndex].toString().toNumber(); // this is ugly, but apparently the only way for char<->number conversions
if (currentDigit == null) {
return null;
}
var pinMask = Settings.getPinMask();
var maskDigit = pinMask.substring(mCurrentIndex, mCurrentIndex+1).toNumber();
if (maskDigit == null) {
return currentDigit;
}
return ((currentDigit + maskDigit - 1) % 4) + 1;
}
function resetTimer() {