Some useful tools for I2P
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#include <iostream>
#include <fstream>
#include <stdlib.h>
#include <inttypes.h>
#include "Crypto.h"
#include "Identity.h"
#include "Timestamp.h"
#include "common/key.hpp"
int main (int argc, char * argv[])
{
if (argc < 3)
{
std::cout << "Usage: offlinekeys <output file> <keys file> <signature type> <days>" << std::endl;
return -1;
}
i2p::crypto::InitCrypto (false, true, false);
std::string fname(argv[2]);
i2p::data::PrivateKeys keys;
{
std::vector<uint8_t> buff;
std::ifstream inf;
inf.open(fname);
if (!inf.is_open()) {
std::cout << "cannot open keys file " << fname << std::endl;
return 2;
}
inf.seekg(0, std::ios::end);
const std::size_t len = inf.tellg();
inf.seekg(0, std::ios::beg);
buff.resize(len);
inf.read((char*)buff.data(), buff.size());
if (!keys.FromBuffer(buff.data(), buff.size())) {
std::cout << "bad keys file format" << std::endl;
return 3;
}
}
i2p::data::SigningKeyType type = i2p::data::SIGNING_KEY_TYPE_EDDSA_SHA512_ED25519; // EdDSA by default
if (argc > 3)
{
std::string str(argv[3]);
type = NameToSigType(str);
if (SigTypeToName(type).find("unknown") != std::string::npos) { std::cerr << "Incorrect signature type" << std::endl; return -2; }
}
int days = 365; // 1 year by default
if (argc > 4)
days = std::stoi (argv[4]);
uint32_t expires = i2p::util::GetSecondsSinceEpoch () + days*24*60*60;
auto offlineKeys = keys.CreateOfflineKeys (type, expires);
std::ofstream f (argv[1], std::ofstream::binary | std::ofstream::out);
if (f)
{
size_t len = offlineKeys.GetFullLen ();
uint8_t * buf = new uint8_t[len];
len = offlineKeys.ToBuffer (buf, len);
f.write ((char *)buf, len);
delete[] buf;
std::cout << "Offline keys for destination " << offlineKeys.GetPublic ()->GetIdentHash ().ToBase32 () << " created" << std::endl
<< "Signature type: " << SigTypeToName(type) << " (" << type << ")" << std::endl
<< "Days: " << days << std::endl;
}
else
std::cout << "Can't create file " << argv[1] << std::endl;
i2p::crypto::TerminateCrypto ();
return 0;
}