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Key regen and MQTT fix (#4585)

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* Add public key regen

* Properly label and handle PKI MQTT packets

* Extra debug message to indicate PKI_UNKNOWN_PUBKEY

* Ternary!

* Don't call non-existant function on stm32

* Actually fix STM32 compilation
This commit is contained in:
Jonathan Bennett
2024-08-29 16:28:03 -05:00
committed by GitHub
parent 22454c95c7
commit 5bc17a9911
6 changed files with 62 additions and 25 deletions
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26
src/mesh/NodeDB.cpp
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@@ -139,14 +139,24 @@ NodeDB::NodeDB()
crypto->setDHPrivateKey(config.security.private_key.bytes);
} else {
#if !(MESHTASTIC_EXCLUDE_PKI_KEYGEN)
LOG_INFO("Generating new PKI keys\n");
crypto->generateKeyPair(config.security.public_key.bytes, config.security.private_key.bytes);
config.security.public_key.size = 32;
config.security.private_key.size = 32;
printBytes("New Pubkey", config.security.public_key.bytes, 32);
owner.public_key.size = 32;
memcpy(owner.public_key.bytes, config.security.public_key.bytes, 32);
bool keygenSuccess = false;
if (config.security.private_key.size == 32) {
LOG_INFO("Calculating PKI Public Key\n");
if (crypto->regeneratePublicKey(config.security.public_key.bytes, config.security.private_key.bytes)) {
keygenSuccess = true;
}
} else {
LOG_INFO("Generating new PKI keys\n");
crypto->generateKeyPair(config.security.public_key.bytes, config.security.private_key.bytes);
keygenSuccess = true;
}
if (keygenSuccess) {
config.security.public_key.size = 32;
config.security.private_key.size = 32;
printBytes("New Pubkey", config.security.public_key.bytes, 32);
owner.public_key.size = 32;
memcpy(owner.public_key.bytes, config.security.public_key.bytes, 32);
}
#else
LOG_INFO("No PKI keys set, and generation disabled!\n");
#endif