mirror of
https://github.com/PurpleI2P/i2pd.git
synced 2024-11-16 00:12:43 +00:00
83 lines
2.3 KiB
C++
83 lines
2.3 KiB
C++
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#include <fstream>
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#include <cryptopp/dh.h>
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#include <cryptopp/dsa.h>
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#include "CryptoConst.h"
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#include "RouterContext.h"
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namespace i2p
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{
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RouterContext context;
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RouterContext::RouterContext ()
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{
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if (!Load ())
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CreateNewRouter ();
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Save ();
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}
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const uint8_t * RouterContext::GetSigningPrivateKey () const
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{
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return m_SigningPrivateKeyStr;
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}
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void RouterContext::CreateNewRouter ()
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{
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i2p::data::RouterIdentity ident;
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CryptoPP::DH dh (i2p::crypto::elgp, i2p::crypto::elgg);
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dh.GenerateKeyPair(m_Rnd, m_PrivateKey, ident.publicKey);
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m_SigningPrivateKey.Initialize (m_Rnd, i2p::crypto::dsap, i2p::crypto::dsaq, i2p::crypto::dsag);
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m_SigningPrivateKey.GetPrivateExponent ().Encode (m_SigningPrivateKeyStr, 20);
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CryptoPP::DSA::PublicKey publicKey;
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m_SigningPrivateKey.MakePublicKey (publicKey);
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publicKey.GetPublicElement ().Encode (ident.signingKey, 128);
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memset (ident.certificate, 0, sizeof (ident.certificate));
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m_RouterInfo.SetRouterIdentity (ident);
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m_RouterInfo.AddNTCPAddress ("127.0.0.1", 17007); // TODO:
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m_RouterInfo.SetProperty ("caps", "LR");
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m_RouterInfo.SetProperty ("coreVersion", "0.9.7");
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m_RouterInfo.SetProperty ("netId", "2");
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m_RouterInfo.SetProperty ("router.version", "0.9.7");
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m_RouterInfo.SetProperty ("start_uptime", "90m");
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m_RouterInfo.CreateBuffer ();
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}
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void RouterContext::Sign (uint8_t * buf, int len, uint8_t * signature)
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{
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CryptoPP::DSA::Signer signer (m_SigningPrivateKey);
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signer.SignMessage (m_Rnd, buf, len, signature);
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}
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bool RouterContext::Load ()
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{
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std::ifstream fk (ROUTER_KEYS);
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if (!fk.is_open ()) return false;
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fk.read ((char *)m_PrivateKey, 256);
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fk.read ((char *)m_SigningPrivateKeyStr, 20);
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m_SigningPrivateKey.Initialize (i2p::crypto::dsap, i2p::crypto::dsaq, i2p::crypto::dsag,
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CryptoPP::Integer (m_SigningPrivateKeyStr, 20));
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m_RouterInfo = i2p::data::RouterInfo (ROUTER_INFO); // TODO
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return true;
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}
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void RouterContext::Save ()
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{
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std::ofstream fk (ROUTER_KEYS);
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fk.write ((char *)m_PrivateKey, 256);
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fk.write ((char *)m_SigningPrivateKeyStr, 20);
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fk.write ((char *)m_RouterInfo.GetRouterIdentity ().publicKey, 256);
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fk.write ((char *)m_RouterInfo.GetRouterIdentity ().signingKey, 128);
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std::ofstream fi (ROUTER_INFO);
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fi.write ((char *)m_RouterInfo.GetBuffer (), m_RouterInfo.GetBufferLen ());
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}
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}
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