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RFM69_LowPowerLab
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fix encrypt() for null or "" keys

This commit is contained in:
Felix Rusu 2020-06-05 13:50:31 -04:00
parent c6445acc30
commit fe6ccf1624
1 changed files with 4 additions and 3 deletions
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5
RFM69.cpp
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@ -438,7 +438,8 @@ void RFM69::encrypt(const char* key) {
_haveEncryptKey = key;
#endif
setMode(RF69_MODE_STANDBY);
if (key != 0)
uint8_t validKey = key != 0 && strlen(key)!=0;
if (validKey)
{
#if defined(RF69_LISTENMODE_ENABLE)
memcpy(_encryptKey, key, 16);
@ -449,7 +450,7 @@ void RFM69::encrypt(const char* key) {
_spi->transfer(key[i]);
unselect();
}
writeReg(REG_PACKETCONFIG2, (readReg(REG_PACKETCONFIG2) & 0xFE) | (key ? 1 : 0));
writeReg(REG_PACKETCONFIG2, (readReg(REG_PACKETCONFIG2) & 0xFE) | (validKey ? 1 : 0));
}
// get the received signal strength indicator (RSSI)