* add readme

* add .gitignore

* add keyinfo tool

* fix up makefile to build i2pd git submodule

.gitignore

@@ -0,0 +1,13 @@
+# emacs files
+*~
+*\#*
+
+# object files
+*.o
+
+# built binaries
+keygen
+keyinfo
+
+# private key files
+*.dat

Makefile

@@ -1,26 +1,48 @@
+I2PD_PATH = i2pd
 CXX = g++
-CXXFLAGS = -g -Wall -std=c++11
-OBJECTS = keygen.o
-INCFLAGS = -I"i2pd"
+FLAGS = -g -Wall -std=c++11
+INCFLAGS = -I$(I2PD_PATH)
+CXXFLAGS = $(FLAGS) $(INCFLAGS)
 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 
+LIBS = $(I2PD_PATH)/libi2pd.a -lboost_system -lboost_date_time -lboost_filesystem -lboost_program_options -lssl -lcrypto -lpthread -lrt -lz 
 
-all: keygen
+SOURCES = $(wildcard *.cpp)
+OBJECTS = $(SOURCES:.cpp=.o)
+I2PD_LIB = libi2pd.a
+
+
+all: keygen keyinfo
 
 keygen: $(OBJECTS)
-	$(CXX) -o keygen $(OBJECTS) $(LDFLAGS) $(LIBS)
+	$(CXX) -o keygen keygen.o $(LDFLAGS) $(LIBS)
+
+keyinfo: $(OBJECTS)
+	$(CXX) -o keyinfo keyinfo.o $(LDFLAGS) $(LIBS)
+
+$(OBJECTS): libi2pd.a
 
 .SUFFIXES:
 .SUFFIXES:	.c .cc .C .cpp .o
 
-.cpp.o :
+$(I2PD_LIB):
+	$(MAKE) -C $(I2PD_PATH) mk_obj_dir $(I2PD_LIB)
+
+%.o: %.cpp libi2pd.a
 	$(CXX) -o $@ -c $(CXXFLAGS) $< $(INCFLAGS)
 
 count:
 	wc *.c *.cc *.C *.cpp *.h *.hpp
 
-clean:
-	rm -f *.o keygen
+clean-i2pd:
+	$(MAKE) -C $(I2PD_PATH) clean
+
+clean-obj:
+	rm -f $(OBJECTS)
+
+clean-bin:
+	rm -f keyinfo keygen
+
+clean: clean-i2pd clean-obj clean-bin
 
 .PHONY: all
 .PHONY: count

README.md

@@ -0,0 +1,18 @@
+# i2pd-tools
+
+This repository contains tools that supplement i2pd.
+
+Notice: git submodules are used so make sure to clone this repository recursively
+
+    git clone --recursive https://github.com/purplei2pd/i2pd-tools
+
+## Tools included
+
+### keygen
+
+Generate an i2p private key
+
+
+### keyinfo
+
+Prints information about an i2p private key

keyinfo.cpp

@@ -0,0 +1,70 @@
+#include "Identity.h"
+#include <iostream>
+#include <fstream>
+#include <string>
+#include <vector>
+#include <unistd.h>
+
+int main(int argc, char * argv[])
+{
+  if(argc == 1) {
+    std::cout << "usage: " << argv[0] << " [-v] [-d] privatekey.dat" << std::endl;
+    return -1;
+  }
+  int opt;
+  bool print_full = false;
+  bool verbose = false;
+  while((opt = getopt(argc, argv, "vd"))!=-1) {
+    switch(opt){ 
+    case 'v':
+      verbose = true;
+      break;
+    case 'd':
+      print_full = true;
+      break;
+    default:
+      std::cout << "usage: " << argv[0] << " [-v] [-d] privatekey.dat" << std::endl;
+      return -1;
+    }
+  }
+  std::string fname(argv[optind]);
+  i2p::data::PrivateKeys keys;
+  {
+    std::vector<uint8_t> buff;
+    std::ifstream inf;
+    inf.open(fname);
+    if (!inf.is_open()) {
+      std::cout << "cannot open private key 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 key file format" << std::endl;
+      return 3;
+    }
+  }
+  auto dest = keys.GetPublic();
+  if(!dest) {
+    std::cout << "failed to extract public key" << std::endl;
+    return 3;
+  }
+  
+  const auto & ident = dest->GetIdentHash();
+  if (verbose) {
+    std::cout << "Destination: " << dest->ToBase64() << std::endl;
+    std::cout << "Destination Hash: " << ident.ToBase64() << std::endl;
+    std::cout << "B32 Address: " << ident.ToBase32() << ".b32.i2p" << std::endl;
+    std::cout << "Signature Type: " << (int) dest->GetSigningKeyType() << std::endl;
+    std::cout << "Encryption Type: " << (int) dest->GetCryptoKeyType() << std::endl;
+  } else {
+    if(print_full) {
+      std::cout << dest->ToBase64() << std::endl;
+    } else {
+      std::cout << ident.ToBase32() << ".b32.i2p" << std::endl;
+    }
+  }
+}