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Check for blank key coming from client

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Jonathan Bennett committed 2024-08-13 22:34:21 -05:00
1 parent 2661fc694f
commit 8ce1c07c4e
3 files changed
+17 -3
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src/mesh/Router.cpp
+4 -2
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@@ -472,8 +472,10 @@ meshtastic_Routing_Error perhapsEncode(meshtastic_MeshPacket *p)
LOG_DEBUG("Using PKI!\n");
if (numbytes + 8 > MAX_RHPACKETLEN)
return meshtastic_Routing_Error_TOO_LARGE;
if (memcmp(p->public_key.bytes, node->user.public_key.bytes, 32) != 0) {
LOG_WARN("Client public key for client differs from requested!\n");
if (p->pki_encrypted && !memfll(p->public_key.bytes, 0, 32) &&
memcmp(p->public_key.bytes, node->user.public_key.bytes, 32) != 0) {
LOG_WARN("Client public key for client differs from requested! Requested 0x%02x, but stored key begins 0x%02x\n",
*p->public_key.bytes, *node->user.public_key.bytes);
return meshtastic_Routing_Error_PKI_FAILED;
}
crypto->encryptCurve25519(p->to, getFrom(p), p->id, numbytes, bytes, ScratchEncrypted);