keygen added

LICENSE

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+Copyright (c) 2016, 
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of i2pd-reseed nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+

Makefile

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+CXX = g++
+CXXFLAGS = -g -Wall -std=c++11
+OBJECTS = keygen.o
+INCFLAGS = -I"../i2pd"
+LDFLAGS = -Wl,-rpath,/usr/local/lib 
+LIBS = ../i2pd/libi2pd.a -lboost_system -lboost_date_time -lboost_filesystem -lboost_program_options -lssl -lcrypto -lpthread -lrt -lz 
+
+all: keygen
+
+keygen: $(OBJECTS)
+	$(CXX) -o keygen $(OBJECTS) $(LDFLAGS) $(LIBS)
+
+.SUFFIXES:
+.SUFFIXES:	.c .cc .C .cpp .o
+
+.cpp.o :
+	$(CXX) -o $@ -c $(CXXFLAGS) $< $(INCFLAGS)
+
+count:
+	wc *.c *.cc *.C *.cpp *.h *.hpp
+
+clean:
+	rm -f *.o keygen
+
+.PHONY: all
+.PHONY: count
+.PHONY: clean

keygen.cpp

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+#include <iostream>
+#include <fstream>
+#include <stdlib.h>
+#include "Crypto.h"
+#include "Identity.h"
+
+int main (int argc, char * argv[])
+{
+	if (argc < 3)
+	{
+		std::cout << "Usage: keygen filename <signuture type>" << std::endl;	
+		return -1;
+	}
+	i2p::crypto::InitCrypto (false);
+	i2p::data::SigningKeyType type = i2p::data::SIGNING_KEY_TYPE_DSA_SHA1;	
+	if (argc >= 3) type = atoi (argv[2]);
+	auto keys = i2p::data::PrivateKeys::CreateRandomKeys (type);
+	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;
+		std::cout << "Destination " << keys.GetPublic ()->GetIdentHash ().ToBase32 () << " created" << std::endl;
+	}
+	else
+		std::cout << "Can't create file " << argv[1] << std::endl;	
+
+	return 0;
+}
+
+