#include #include #include #include "CryptoConst.h" #include "RouterContext.h" namespace i2p { RouterContext context; RouterContext::RouterContext () { if (!Load ()) CreateNewRouter (); Save (); // we generate LeaseSet at every start-up CryptoPP::DH dh (i2p::crypto::elgp, i2p::crypto::elgg); dh.GenerateKeyPair(m_Rnd, m_LeaseSetPrivateKey, m_LeaseSetPublicKey); } void RouterContext::CreateNewRouter () { m_Keys = i2p::data::CreateRandomKeys (); m_SigningPrivateKey.Initialize (i2p::crypto::dsap, i2p::crypto::dsaq, i2p::crypto::dsag, CryptoPP::Integer (m_Keys.signingPrivateKey, 20)); i2p::data::Identity ident; // copy public and signing keys together memcpy (ident.publicKey, m_Keys.publicKey, sizeof (ident.publicKey) + sizeof (ident.signingKey)); memset (ident.certificate, 0, sizeof (ident.certificate)); m_RouterInfo.SetRouterIdentity (ident); m_RouterInfo.AddNTCPAddress ("127.0.0.1", 17007); // TODO: m_RouterInfo.SetProperty ("caps", "LR"); m_RouterInfo.SetProperty ("coreVersion", "0.9.8.1"); m_RouterInfo.SetProperty ("netId", "2"); m_RouterInfo.SetProperty ("router.version", "0.9.8.1"); m_RouterInfo.SetProperty ("start_uptime", "90m"); m_RouterInfo.CreateBuffer (); } void RouterContext::OverrideNTCPAddress (const char * host, int port) { m_RouterInfo.CreateBuffer (); auto address = m_RouterInfo.GetNTCPAddress (); if (address) { address->host = host; address->port = port; } m_RouterInfo.CreateBuffer (); } void RouterContext::Sign (uint8_t * buf, int len, uint8_t * signature) { CryptoPP::DSA::Signer signer (m_SigningPrivateKey); signer.SignMessage (m_Rnd, buf, len, signature); } bool RouterContext::Load () { std::ifstream fk (ROUTER_KEYS); if (!fk.is_open ()) return false; fk.read ((char *)&m_Keys, sizeof (m_Keys)); m_SigningPrivateKey.Initialize (i2p::crypto::dsap, i2p::crypto::dsaq, i2p::crypto::dsag, CryptoPP::Integer (m_Keys.signingPrivateKey, 20)); m_RouterInfo = i2p::data::RouterInfo (ROUTER_INFO); // TODO return true; } void RouterContext::Save () { std::ofstream fk (ROUTER_KEYS); fk.write ((char *)&m_Keys, sizeof (m_Keys)); std::ofstream fi (ROUTER_INFO); fi.write ((char *)m_RouterInfo.GetBuffer (), m_RouterInfo.GetBufferLen ()); } }