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Mi Band 8: Fix chunked encryption

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This commit is contained in:
José Rebelo 2023-10-16 22:00:13 +01:00
parent 544909a970
commit b5a1846e49
1 changed files with 7 additions and 6 deletions
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11
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/xiaomi/XiaomiCharacteristic.java
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@ -244,12 +244,13 @@ public class XiaomiCharacteristic {
}
if (shouldWriteChunked(currentSending)) {
// Prepend encrypted index
currentSending = ByteBuffer.allocate(2 + currentSending.length).order(ByteOrder.LITTLE_ENDIAN)
.putShort(encryptedIndex++)
.put(currentSending)
.array();
LOG.debug("Sending next - chunked");
// FIXME this is not efficient - re-encrypt with the correct key for chunked (assumes
// final encrypted size is the same - need to check)
if (isEncrypted) {
currentSending = authService.encrypt(payload, (short) 0);
}
sendingChunked = true;