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router's NTCP2 private keys

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orignal 2018-06-11 15:33:48 -04:00
parent 7f3127ac89
commit a8278fc78b
3 changed files with 43 additions and 0 deletions
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31
libi2pd/RouterContext.cpp
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@ -1,4 +1,5 @@
#include <fstream>
#include <openssl/rand.h>
#include "Config.h"
#include "Crypto.h"
#include "Timestamp.h"
@ -98,6 +99,16 @@ namespace i2p
m_LastUpdateTime = i2p::util::GetSecondsSinceEpoch ();
}
void RouterContext::NewNTCP2Keys ()
{
m_NTCP2Keys.reset (new NTCP2PrivateKeys ());
RAND_bytes (m_NTCP2Keys->staticKey, 32);
RAND_bytes (m_NTCP2Keys->iv, 16);
// save
std::ofstream fk (i2p::fs::DataDirPath (NTCP2_KEYS), std::ofstream::binary | std::ofstream::out);
fk.write ((char *)m_NTCP2Keys.get (), sizeof (NTCP2PrivateKeys));
}
void RouterContext::SetStatus (RouterStatus status)
{
if (status != m_Status)
@ -429,6 +440,26 @@ namespace i2p
if (IsUnreachable ())
SetReachable (); // we assume reachable until we discover firewall through peer tests
// read NTCP2
bool ntcp2; i2p::config::GetOption("ntcp2", ntcp2);
if (ntcp2)
{
std::ifstream n2k (i2p::fs::DataDirPath (NTCP2_KEYS), std::ifstream::in | std::ifstream::binary);
if (n2k)
{
n2k.seekg (0, std::ios::end);
len = fk.tellg();
n2k.seekg (0, std::ios::beg);
if (len == sizeof (NTCP2PrivateKeys))
{
m_NTCP2Keys.reset (new NTCP2PrivateKeys ());
n2k.read ((char *)m_NTCP2Keys.get (), sizeof (NTCP2PrivateKeys));
}
}
if (!m_NTCP2Keys)
NewNTCP2Keys ();
}
return true;
}