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i2pd-tools
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Some useful tools for I2P
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i2pd-tools/vanitygen.cpp

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#include "vanity.hpp"
#include<regex>
#include<getopt.h>
static struct
{
bool reg=false;
int threads=-1;
i2p::data::SigningKeyType signature;
std::string outputpath="";
std::regex regex;
} options;
static void inline CalculateW (const uint8_t block[64], uint32_t W[64])
{
/**
* implementation of orignal
*/
for (int i = 0; i < 16; i++)
#ifdef _WIN32
W[i] = htobe32(((uint32_t *)(block))[i]);
#else // from big endian to little endian ( swap )
W[i] = be32toh(((uint32_t *)(block))[i]);
#endif
for (int i = 16; i < 64; i++)
W[i] = s1(W[i - 2]) + W[i - 7] + s0(W[i - 15]) + W[i - 16];
}
static void inline TransformBlock (uint32_t state[8], const uint32_t W[64])
{
/**
* implementation of orignal
*/
uint32_t S[8];
memcpy(S, state, 32);
uint32_t t0, t1;
RNDr(S, W, 0, 0x428a2f98); RNDr(S, W, 1, 0x71374491); RNDr(S, W, 2, 0xb5c0fbcf); RNDr(S, W, 3, 0xe9b5dba5);
RNDr(S, W, 4, 0x3956c25b); RNDr(S, W, 5, 0x59f111f1); RNDr(S, W, 6, 0x923f82a4); RNDr(S, W, 7, 0xab1c5ed5);
RNDr(S, W, 8, 0xd807aa98); RNDr(S, W, 9, 0x12835b01); RNDr(S, W, 10, 0x243185be); RNDr(S, W, 11, 0x550c7dc3);
RNDr(S, W, 12, 0x72be5d74); RNDr(S, W, 13, 0x80deb1fe); RNDr(S, W, 14, 0x9bdc06a7); RNDr(S, W, 15, 0xc19bf174);
RNDr(S, W, 16, 0xe49b69c1); RNDr(S, W, 17, 0xefbe4786); RNDr(S, W, 18, 0x0fc19dc6); RNDr(S, W, 19, 0x240ca1cc);
RNDr(S, W, 20, 0x2de92c6f); RNDr(S, W, 21, 0x4a7484aa); RNDr(S, W, 22, 0x5cb0a9dc); RNDr(S, W, 23, 0x76f988da);
RNDr(S, W, 24, 0x983e5152); RNDr(S, W, 25, 0xa831c66d); RNDr(S, W, 26, 0xb00327c8); RNDr(S, W, 27, 0xbf597fc7);
RNDr(S, W, 28, 0xc6e00bf3); RNDr(S, W, 29, 0xd5a79147); RNDr(S, W, 30, 0x06ca6351); RNDr(S, W, 31, 0x14292967);
RNDr(S, W, 32, 0x27b70a85); RNDr(S, W, 33, 0x2e1b2138); RNDr(S, W, 34, 0x4d2c6dfc); RNDr(S, W, 35, 0x53380d13);
RNDr(S, W, 36, 0x650a7354); RNDr(S, W, 37, 0x766a0abb); RNDr(S, W, 38, 0x81c2c92e); RNDr(S, W, 39, 0x92722c85);
RNDr(S, W, 40, 0xa2bfe8a1); RNDr(S, W, 41, 0xa81a664b); RNDr(S, W, 42, 0xc24b8b70); RNDr(S, W, 43, 0xc76c51a3);
RNDr(S, W, 44, 0xd192e819); RNDr(S, W, 45, 0xd6990624); RNDr(S, W, 46, 0xf40e3585); RNDr(S, W, 47, 0x106aa070);
RNDr(S, W, 48, 0x19a4c116); RNDr(S, W, 49, 0x1e376c08); RNDr(S, W, 50, 0x2748774c); RNDr(S, W, 51, 0x34b0bcb5);
RNDr(S, W, 52, 0x391c0cb3); RNDr(S, W, 53, 0x4ed8aa4a); RNDr(S, W, 54, 0x5b9cca4f); RNDr(S, W, 55, 0x682e6ff3);
RNDr(S, W, 56, 0x748f82ee); RNDr(S, W, 57, 0x78a5636f); RNDr(S, W, 58, 0x84c87814); RNDr(S, W, 59, 0x8cc70208);
RNDr(S, W, 60, 0x90befffa); RNDr(S, W, 61, 0xa4506ceb); RNDr(S, W, 62, 0xbef9a3f7); RNDr(S, W, 63, 0xc67178f2);
for (int i = 0; i < 8; i++) state[i] += S[i];
}
void inline HashNextBlock (uint32_t state[8], const uint8_t * block)
{
/**
* implementation of orignal
*/
uint32_t W[64];
CalculateW (block, W);
TransformBlock (state, W);
}
static bool check_prefix(const char * buf)
{
unsigned short size_str=0;
while(*buf)
{
if(*buf < 48 || (*buf > 57 && *buf < 65) || (*buf > 64 && *buf < 94) || *buf > 125 || size_str > 52)
return false;
size_str++;
buf++;
}
return true;
}
static inline size_t ByteStreamToBase32 (const uint8_t * inBuf, size_t len, char * outBuf, size_t outLen)
{
size_t ret = 0, pos = 1;
int bits = 8, tmp = inBuf[0];
while (ret < outLen && (bits > 0 || pos < len))
{
if (bits < 5)
{
if (pos < len)
{
tmp <<= 8;
tmp |= inBuf[pos] & 0xFF;
pos++;
bits += 8;
}
else // last byte
{
tmp <<= (5 - bits);
bits = 5;
}
}
bits -= 5;
int ind = (tmp >> bits) & 0x1F;
outBuf[ret] = (ind < 26) ? (ind + 'a') : ((ind - 26) + '2');
ret++;
}
outBuf[ret]='\0';
return ret;
}
static inline bool NotThat(const char * what, const std::regex & reg){
return std::regex_match(what,reg) == 1 ? false : true;
}
static inline bool NotThat(const char * a, const char *b)
{
while(*b)
if(*a++!=*b++)
return true;
return false;
}
static inline bool thread_find(uint8_t * buf, const char * prefix, int id_thread, unsigned long long throughput)
{
/**
* Thanks to orignal ^-^
* For idea and example ^-^
* Orignal is sensei of crypto ;)
*/
std::cout << "Thread " << id_thread << " binded" << std::endl;
/*
union
{
uint8_t b[391];
uint32_t ll;
} local;
union
{
uint8_t b[32];
uint32_t ll[8];
} hash;
*/
uint8_t b[391];
uint32_t hash[8];
memcpy (b, buf, 391);
auto len = strlen (prefix);
// precalculate first 5 blocks (320 bytes)
uint32_t state[8] = { 0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A, 0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19 };
HashNextBlock (state, b);
HashNextBlock (state, b + 64);
HashNextBlock (state, b + 128);
HashNextBlock (state, b + 192);
HashNextBlock (state, b + 256);
// pre-calculate last W
uint32_t lastW[64];
CalculateW (lastBlock, lastW);
uint32_t * nonce = (uint32_t *)(b+320);
(*nonce) += id_thread*throughput;
char addr[53];
uint32_t state1[8];
while(throughput-- and !found)
{
memcpy (state1, state, 32);
// calculate hash of block with nonce
HashNextBlock (state1, b + 320);
// apply last block
TransformBlock (state1, lastW);
// get final hash
for (int j = 8; j--;)
hash[j] = htobe32(state1[j]);
ByteStreamToBase32 ((uint8_t*)hash, 32, addr, len);
// std::cout << addr << std::endl;
// bool result = options.reg ? !NotThat(addr, &options.regex) : !NotThat(addr,prefix);
if( ( options.reg ? !NotThat(addr, options.regex) : !NotThat(addr,prefix) ) )
// if(result)
{
ByteStreamToBase32 ((uint8_t*)hash, 32, addr, 52);
std::cout << "Address found " << addr << " in " << id_thread << std::endl;
found=true;
FoundNonce=*nonce;
// free(hash);
// free(b);
return true;
}
(*nonce)++;
hashescounter++;
if (found)
{
// free(hash);
// free(b);
break;
}
} // while
return true;
}
void usage(void){
const constexpr char * help="vain [text-pattern|regex-pattern] [options]\n"
"-h --help, help menu\n"
"-r --reg, regexp instead just text pattern (e.g. '(one|two).*')\n"
"--threads -t, (default count of system)\n"
"--signature -s, (signature type)\n"
"-o --output output file (default private.dat)\n"
"--usage usage\n"
// "--prefix -p\n"
"";
puts(help);
}
void parsing(int argc, char ** args){
int option_index;
static struct option long_options[]={
{"help",no_argument,0,'h'},
{"reg", no_argument,0,'r'},
{"threads", required_argument, 0, 't'},
{"signature", required_argument,0,'s'},
{"output", required_argument,0,'o'},
{"usage", no_argument,0,0},
{0,0,0,0}
};
int c;
while( (c=getopt_long(argc,args, "hrt:s:o:", long_options, &option_index))!=-1){
switch(c){
case 0:
if ( std::string(long_options[option_index].name) == std::string("usage") ){
usage();
exit(1);
}
case 'h':
usage();
exit(0);
break;
case 'r':
options.reg=true;
break;
case 't':
options.threads=atoi(optarg);
break;
case 's':
options.signature = NameToSigType(std::string(optarg));
break;
case 'o':
options.outputpath=optarg;
break;
case '?':
std::cerr << "Undefined argument" << std::endl;
default:
std::cerr << args[0] << " --usage / --help" << std::endl;
exit(1);
break;
}
}
}
int main (int argc, char * argv[])
{
if ( argc < 2 )
{
usage();
return 0;
}
parsing( argc > 2 ? argc-1 : argc, argc > 2 ? argv+1 : argv);
//
if(!options.reg && !check_prefix( argv[1] ))
{
std::cout << "Invalid pattern." << std::endl;
usage();
return 1;
}else{
options.regex=std::regex(argv[1]);
// int ret = regcomp( &options.regex, argv[1], REG_EXTENDED );
// if( ret != 0 ){
// std::cerr << "Can't create regexp pattern from " << argv[1] << std::endl;
// return 1;
// }
}
i2p::crypto::InitCrypto (false, true, true, false);
options.signature = i2p::data::SIGNING_KEY_TYPE_EDDSA_SHA512_ED25519;
///////////////
//For while
if(options.signature != i2p::data::SIGNING_KEY_TYPE_EDDSA_SHA512_ED25519)
{
std::cout << "For a while only ED25519-SHA512" << std::endl;
return 0;
}
///////////////
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
auto keys = i2p::data::PrivateKeys::CreateRandomKeys (options.signature);
switch(options.signature)
{
case i2p::data::SIGNING_KEY_TYPE_DSA_SHA1:
case i2p::data::SIGNING_KEY_TYPE_ECDSA_SHA512_P521:
case i2p::data::SIGNING_KEY_TYPE_RSA_SHA256_2048:
case i2p::data::SIGNING_KEY_TYPE_RSA_SHA384_3072:
case i2p::data::SIGNING_KEY_TYPE_RSA_SHA512_4096:
case i2p::data::SIGNING_KEY_TYPE_GOSTR3410_TC26_A_512_GOSTR3411_512:
std::cout << "Sorry, i don't can generate address for this signature type" << std::endl;
return 0;
break;
}
//TODO: for other types.
switch(options.signature)
{
case i2p::data::SIGNING_KEY_TYPE_ECDSA_SHA256_P256:
break;
case i2p::data::SIGNING_KEY_TYPE_ECDSA_SHA384_P384:
break;
case i2p::data::SIGNING_KEY_TYPE_ECDSA_SHA512_P521:
break;
case i2p::data::SIGNING_KEY_TYPE_RSA_SHA256_2048:
break;
case i2p::data::SIGNING_KEY_TYPE_RSA_SHA384_3072:
break;
case i2p::data::SIGNING_KEY_TYPE_RSA_SHA512_4096:
break;
case i2p::data::SIGNING_KEY_TYPE_EDDSA_SHA512_ED25519:
MutateByte=320;
break;
case i2p::data::SIGNING_KEY_TYPE_GOSTR3410_CRYPTO_PRO_A_GOSTR3411_256:
break;
}
KeyBuf = new uint8_t[keys.GetFullLen()];
keys.ToBuffer (KeyBuf, keys.GetFullLen ());
if(options.threads <= 0)
{
#if defined(WIN32)
SYSTEM_INFO siSysInfo;
GetSystemInfo(&siSysInfo);
options.threads = siSysInfo.dwNumberOfProcessors;
#elif defined(_SC_NPROCESSORS_CONF)
options.threads = sysconf(_SC_NPROCESSORS_CONF);
#elif defined(HW_NCPU)
int req[] = { CTL_HW, HW_NCPU };
size_t len = sizeof(options.threads);
v = sysctl(req, 2, &options.threads, &len, NULL, 0);
#else
options.threads = 1;
#endif
}
std::cout << "Start vanity generator in " << options.threads << " threads" << std::endl;
unsigned short attempts = 0;
while(!found)
{ // while
{ // stack(for destructors(vector/thread))
std::vector<std::thread> threads(options.threads);
unsigned long long thoughtput = 0x4F4B5A37;
for ( unsigned int j = options.threads;j--;)
{
threads[j] = std::thread(thread_find,KeyBuf,argv[1],j,thoughtput);
thoughtput+=1000;
} // for
for(unsigned int j = 0; j < (unsigned int)options.threads;j++)
threads[j].join();
if(FoundNonce == 0)
{
RAND_bytes( KeyBuf+MutateByte , 90 );
std::cout << "Attempts #" << ++attempts << std::endl;
}
} // stack
} // while
memcpy (KeyBuf + MutateByte, &FoundNonce, 4);
std::cout << "Hashes: " << hashescounter << std::endl;
if(options.outputpath.size() == 0) options.outputpath="private.dat";
std::ofstream f (options.outputpath, std::ofstream::binary | std::ofstream::out);
if (f)
{
f.write ((char *)KeyBuf, keys.GetFullLen ());
delete [] KeyBuf;
}
else
std::cout << "Can't create file " << options.outputpath << std::endl;
i2p::crypto::TerminateCrypto ();
return 0;
}