diff --git a/vanitygen.cpp b/vanitygen.cpp
index ae4fe1d..b3dfbd3 100644
--- a/vanitygen.cpp
+++ b/vanitygen.cpp
@@ -5,48 +5,141 @@
 #include "Crypto.h"
 #include "Identity.h"
 #include "common/key.hpp"
+#include <thread>
+#include <unistd.h>
+#include <vector>
+#include <mutex>
+static std::mutex thread_mutex;
+static i2p::data::SigningKeyType type;
+static i2p::data::PrivateKeys keys;
+static bool finded=false;
+static size_t padding_size;
+static uint8_t * KeyBuf;
+static uint8_t * PaddingBuf;
+static unsigned long long hash;
 
+#define CPU_ONLY
+
+
+#ifdef CPU_ONLY
 // XXX: make this faster
-static bool check_keys(const std::string & prefix, i2p::data::PrivateKeys & key)
-{
-  return key.GetPublic()->GetIdentHash().ToBase32().substr(0, prefix.length()) == prefix;
+static inline bool NotThat(const char * a, const char *b){
+while(*b)
+ if(*a++!=*b++) return true;
+return false;
+}
+
+inline void twist_cpu(uint8_t * buf,size_t * l0){
+//TODO: NORMAL IMPLEMENTATION
+	RAND_bytes(buf,padding_size);
 }
 
+
 // XXX: make this faster
-static void mutate_keys(uint8_t * buf, i2p::data::PrivateKeys & key)
+static inline void mutate_keys_cpu(
+	uint8_t * buf,
+	uint8_t * padding,
+	size_t * l0)
 {
-  uint8_t * ptr = key.GetPadding();
-  // TODO: do not hard code for ed25519
-  RAND_bytes(ptr, 96);
-  key.RecalculateIdentHash(buf);
+  twist_cpu(padding,l0);
+  thread_mutex.lock();
+  keys.RecalculateIdentHash(buf);
+  thread_mutex.unlock();
 }
 
+
+void thread_find(const char * prefix){
+  while(NotThat(keys.GetPublic()->GetIdentHash().ToBase32().c_str(),prefix) and !finded)
+  {
+    size_t l0 = 0;
+
+    mutate_keys_cpu(KeyBuf,PaddingBuf, (size_t*)&l0);
+    hash++;
+  }
+}
+#endif
 int main (int argc, char * argv[])
 {
 	if (argc < 2)
 	{
-		std::cout << "Usage: " << argv[0] << " filename prefix" << std::endl;
-		return -1;
+		std::cout << "Usage: keygen filename generatestring <signature type>" << std::endl;
+		return 0;
 	}
-  uint8_t buf[1024] = {0};
-  std::string prefix(argv[2]);
 	i2p::crypto::InitCrypto (false);
-  // default to ed 25519 keys
-	i2p::data::SigningKeyType type = i2p::data::SIGNING_KEY_TYPE_EDDSA_SHA512_ED25519;
-	auto keys = i2p::data::PrivateKeys::CreateRandomKeys (type);
+	type = i2p::data::SIGNING_KEY_TYPE_EDDSA_SHA512_ED25519;	
+	if (argc > 3) 
+		type = NameToSigType(std::string(argv[3]));
+/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+			keys = i2p::data::PrivateKeys::CreateRandomKeys (type);
+			switch(type){
+			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:
+			case i2p::data::SIGNING_KEY_TYPE_GOSTR3410_TC26_A_512_GOSTR3411_512_TEST:
+			std::cout << "Sorry, i don't can generate adress for this signature type" << std::endl;
+			return 0;			
+			break;							
+			}
+			switch(type){
+			case i2p::data::SIGNING_KEY_TYPE_ECDSA_SHA256_P256:
+			padding_size=64;
+			break;
+			case i2p::data::SIGNING_KEY_TYPE_ECDSA_SHA384_P384:
+			padding_size=32;
+			break;
+			case i2p::data::SIGNING_KEY_TYPE_ECDSA_SHA512_P521:
+			padding_size=4;
+			break;
+			case i2p::data::SIGNING_KEY_TYPE_RSA_SHA256_2048:
+			padding_size=128;
+			break;
+			case i2p::data::SIGNING_KEY_TYPE_RSA_SHA384_3072:
+			padding_size=256;
+			break;
+			case i2p::data::SIGNING_KEY_TYPE_RSA_SHA512_4096:
+			padding_size=384;
+			break;
+			case i2p::data::SIGNING_KEY_TYPE_EDDSA_SHA512_ED25519:
+			padding_size=96;
+			break;
+			case i2p::data::SIGNING_KEY_TYPE_GOSTR3410_CRYPTO_PRO_A_GOSTR3411_256:
+			case i2p::data::SIGNING_KEY_TYPE_GOSTR3410_CRYPTO_PRO_A_GOSTR3411_256_TEST:
+			padding_size=64;
+			break;
+			}
 
   // TODO: multi threading
-  while(!check_keys(prefix, keys))
-    mutate_keys(buf, keys);
+  KeyBuf = new uint8_t[keys.GetFullLen()];
+  PaddingBuf = keys.GetPadding();
+  unsigned int count_cpu = sysconf(_SC_NPROCESSORS_ONLN);
+  std::vector<std::thread> threads(count_cpu);
+  std::cout << "Start vanity generator in " << count_cpu << " threads" << std::endl;
+  for ( unsigned int j = count_cpu;j--;){
+   threads[j] = std::thread(thread_find,argv[2]);
+    sched_param sch;
+    int policy; 
+    pthread_getschedparam(threads[j].native_handle(), &policy, &sch);
+    sch.sched_priority = 10;
+    if (pthread_setschedparam(threads[j].native_handle(), SCHED_FIFO, &sch)) {
+        std::cout << "Failed to setschedparam" << std::endl;
+        return 1;
+    }
+  }
+  for(unsigned int j = 0; j < count_cpu;j++)
+   threads[j].join();
 
+  std::cout << "Hashes: " << hash << std::endl;
+  
 	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);
-		delete[] buf;
+		len = keys.ToBuffer (KeyBuf, len);
+		f.write ((char *)KeyBuf, len);
+   		delete [] KeyBuf;
 		std::cout << "Destination " << keys.GetPublic ()->GetIdentHash ().ToBase32 () << " created" << std::endl;
 	}
 	else