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Use the shared secret cache in PKC ops

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This commit is contained in:
Jason B. Cox 2025-04-03 09:37:32 -07:00
parent fa17273631
commit c7e44a2301
1 changed files with 2 additions and 4 deletions
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6
src/mesh/CryptoEngine.cpp
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@ -79,10 +79,9 @@ bool CryptoEngine::encryptCurve25519(uint32_t toNode, uint32_t fromNode, meshtas
LOG_DEBUG("Node %d or their public_key not found", toNode); LOG_DEBUG("Node %d or their public_key not found", toNode);
return false; return false;
} }
if (!setDHPublicKey(remotePublic.bytes)) { if (!setCryptoSharedSecret(remotePublic)) {
return false; return false;
} }
hash(shared_key, 32);
initNonce(fromNode, packetNum, extraNonceTmp); initNonce(fromNode, packetNum, extraNonceTmp);
// Calculate the shared secret with the destination node and encrypt // Calculate the shared secret with the destination node and encrypt
@ -121,10 +120,9 @@ bool CryptoEngine::decryptCurve25519(uint32_t fromNode, meshtastic_UserLite_publ
} }
// Calculate the shared secret with the sending node and decrypt // Calculate the shared secret with the sending node and decrypt
if (!setDHPublicKey(remotePublic.bytes)) { if (!setCryptoSharedSecret(remotePublic)) {
return false; return false;
} }
hash(shared_key, 32);
initNonce(fromNode, packetNum, extraNonce); initNonce(fromNode, packetNum, extraNonce);
printBytes("Attempt decrypt with nonce: ", nonce, 13); printBytes("Attempt decrypt with nonce: ", nonce, 13);