i2pd-tools/keygen.cpp
Warlock-Dalbaeb 262bc466c7 generate
2017-05-09 00:14:53 +07:00

104 lines
2.2 KiB
C++

#define _GNU_SOURCE
#include <sched.h>
#include <pthread.h>
#include <thread>
#include <iostream>
#include <fstream>
#include "Crypto.h"
#include "Identity.h"
#include "common/key.hpp"
#define error(msg) \
std::cout << "Error: " << msg << std::endl;\
i2p::crypto::TerminateCrypto ();\
return -1;
#define SET_CPUS(cpus,num_proc)\
CPU_ZERO(&cpus);\
for(unsigned int i = num_proc;i--;)\
CPU_SET(i, &cpus);
static i2p::data::PrivateKeys keys;
static i2p::data::SigningKeyType type;
static cpu_set_t cpus;
static unsigned num_proc;
static volatile bool all=false;
void generate_dest(const char * whatFind)
{
std::cout << "Start a thread" << std::endl;
i2p::data::PrivateKeys tmp_key = i2p::data::PrivateKeys::CreateRandomKeys (type);
while( tmp_key.GetPublic ()->GetIdentHash ().ToBase32 ().find( whatFind ) == -1 )
{
if(all) break;
tmp_key = i2p::data::PrivateKeys::CreateRandomKeys (type);
}
keys = tmp_key;
}
int main (int argc, char * argv[])
{
if (argc < 2)
{
std::cout << "Usage: keygen filename <signature type> <string>" << std::endl;
return -1;
}
i2p::crypto::InitCrypto (false);
i2p::data::SigningKeyType type = i2p::data::SIGNING_KEY_TYPE_DSA_SHA1;
if (argc >= 3) {
std::string str(argv[2]);
type = NameToSigType(str);
}
std::cout << "Start generate\n";
if(argc == 4)
{
num_proc = std::thread::hardware_concurrency();
pthread_t thr[num_proc];
SET_CPUS(cpus,num_proc);
for( unsigned int i = num_proc;i--;)
{
pthread_create(&thr[i],NULL,generate_dest,argv[3]);
pthread_setaffinity_np(thr[i], sizeof(cpu_set_t), &cpus);
}
for(unsigned int i = num_proc;i--;)
pthread_join(thr[i],NULL);
CPU_ZERO(&cpus);
} // if(argc==4)
else
keys = i2p::data::PrivateKeys::CreateRandomKeys (type);
std::cout << "Write to file\n";
std::ofstream f (argv[1], std::ofstream::binary | std::ofstream::out);
if (f)
{
size_t len = keys.GetFullLen ();
uint8_t * buf = new uint8_t[len];
len = keys.ToBuffer (buf, len);
f.write ((char *)buf, len);
std::cout << "Destination " << keys.GetPublic ()->GetIdentHash ().ToBase32 () << " created" << std::endl;
delete[] buf;
}
else
error("Can't create file");
i2p::crypto::TerminateCrypto ();
return 0;
}