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Code Issues Releases Activity

calculate data phase keys after verification

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orignal 2024-12-04 18:36:57 -05:00
parent 4b1ac7420c
commit f79a2e81ff
1 changed files with 11 additions and 10 deletions
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21
libi2pd/NTCP2.cpp
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@ -740,15 +740,8 @@ namespace transport
memset (nonce, 0, 12); // set nonce to 0 again
if (m_Establisher->ProcessSessionConfirmedMessagePart2 (nonce, buf.data ())) // TODO:handle in establisher thread
{
KeyDerivationFunctionDataPhase ();
// Bob data phase keys
m_SendKey = m_Kba;
m_ReceiveKey = m_Kab;
SetSipKeys (m_Sipkeysba, m_Sipkeysab);
memcpy (m_ReceiveIV.buf, m_Sipkeysab + 16, 8);
memcpy (m_SendIV.buf, m_Sipkeysba + 16, 8);
// payload
// process RI
// payload
// RI block must be first
if (buf[0] != eNTCP2BlkRouterInfo)
{
LogPrint (eLogWarning, "NTCP2: Unexpected block ", (int)buf[0], " in SessionConfirmed");
@ -825,12 +818,20 @@ namespace transport
SendTerminationAndTerminate (eNTCP2Banned);
return;
}
// TODO: process options
// TODO: process options block
// ready to communicate
SetRemoteIdentity (ri1->GetRouterIdentity ());
if (m_Server.AddNTCP2Session (shared_from_this (), true))
{
KeyDerivationFunctionDataPhase ();
// Bob data phase keys
m_SendKey = m_Kba;
m_ReceiveKey = m_Kab;
SetSipKeys (m_Sipkeysba, m_Sipkeysab);
memcpy (m_ReceiveIV.buf, m_Sipkeysab + 16, 8);
memcpy (m_SendIV.buf, m_Sipkeysba + 16, 8);
Established ();
ReceiveLength ();
}