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encrypted tunnel test messages

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orignal 2024-02-21 19:46:29 -05:00
parent 5d7c6fb0b3
commit d25206abce
6 changed files with 43 additions and 13 deletions
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33
libi2pd/TunnelPool.cpp
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@ -13,6 +13,7 @@
#include "NetDb.hpp"
#include "Timestamp.h"
#include "Garlic.h"
#include "ECIESX25519AEADRatchetSession.h"
#include "Transports.h"
#include "Log.h"
#include "Tunnel.h"
@ -383,6 +384,7 @@ namespace tunnel
newTests.push_back(std::make_pair (*it1, *it2));
++it1; ++it2;
}
bool encrypt = m_LocalDestination ? m_LocalDestination->SupportsEncryptionType (i2p::data::CRYPTO_KEY_TYPE_ECIES_X25519_AEAD) : false;
for (auto& it: newTests)
{
uint32_t msgID;
@ -407,6 +409,14 @@ namespace tunnel
s->m_OutboundTunnels.erase (outbound);
}
};
if (encrypt)
{
// encrypt
uint8_t key[32]; RAND_bytes (key, 32);
uint64_t tag; RAND_bytes ((uint8_t *)&tag, 8);
m_LocalDestination->SubmitECIESx25519Key (key, tag);
msg = i2p::garlic::WrapECIESX25519Message (msg, key, tag);
}
outbound->SendTunnelDataMsgTo (it.second->GetNextIdentHash (), it.second->GetNextTunnelID (), msg);
}
}
@ -436,6 +446,17 @@ namespace tunnel
buf += 4;
uint64_t timestamp = bufbe64toh (buf);
if (!ProcessDeliveryStatus (msgID, timestamp))
{
if (m_LocalDestination)
m_LocalDestination->ProcessDeliveryStatusMessage (msg);
else
LogPrint (eLogWarning, "Tunnels: Local destination doesn't exist, dropped");
}
}
bool TunnelPool::ProcessDeliveryStatus (uint32_t msgID, uint64_t timestamp)
{
decltype(m_Tests)::mapped_type test;
bool found = false;
{
@ -477,15 +498,9 @@ namespace tunnel
test.second->AddLatencySample(latency);
}
}
else
{
if (m_LocalDestination)
m_LocalDestination->ProcessDeliveryStatusMessage (msg);
else
LogPrint (eLogWarning, "Tunnels: Local destination doesn't exist, dropped");
}
}
return found;
}
bool TunnelPool::IsExploratory () const
{
return i2p::tunnel::tunnels.GetExploratoryPool () == shared_from_this ();