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* experimental workaround for sig verify() bug

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This commit is contained in:
Scott Powell
2025-03-19 13:54:43 +11:00
parent 38667dabb1
commit 69a6d76b87
1 changed files with 5 additions and 2 deletions
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7
src/Mesh.cpp
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@@ -228,13 +228,16 @@ DispatcherAction Mesh::onRecvPacket(Packet* pkt) {
// check that signature is valid // check that signature is valid
bool is_ok; bool is_ok;
{ {
uint8_t message[PUB_KEY_SIZE + 4 + MAX_ADVERT_DATA_SIZE]; static uint8_t message[PUB_KEY_SIZE + 4 + MAX_ADVERT_DATA_SIZE];
int msg_len = 0; int msg_len = 0;
memcpy(&message[msg_len], id.pub_key, PUB_KEY_SIZE); msg_len += PUB_KEY_SIZE; memcpy(&message[msg_len], id.pub_key, PUB_KEY_SIZE); msg_len += PUB_KEY_SIZE;
memcpy(&message[msg_len], &timestamp, 4); msg_len += 4; memcpy(&message[msg_len], &timestamp, 4); msg_len += 4;
memcpy(&message[msg_len], app_data, app_data_len); msg_len += app_data_len; memcpy(&message[msg_len], app_data, app_data_len); msg_len += app_data_len;
is_ok = id.verify(signature, message, msg_len); static uint8_t sig_copy[SIGNATURE_SIZE];
memcpy(sig_copy, signature, SIGNATURE_SIZE);
is_ok = id.verify(sig_copy, message, msg_len);
} }
if (is_ok) { if (is_ok) {
MESH_DEBUG_PRINTLN("%s Mesh::onRecvPacket(): valid advertisement received!", getLogDateTime()); MESH_DEBUG_PRINTLN("%s Mesh::onRecvPacket(): valid advertisement received!", getLogDateTime());