diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8f03f2c7dd..0d345236d4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,3 +1,22 @@
+#
+# Copyright (c) 2017 Bitprim developers (see AUTHORS)
+#
+# This file is part of Bitprim.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 cmake_minimum_required(VERSION 3.4)
 
 # secp256k1
@@ -6,9 +25,13 @@ project(secp256k1
   VERSION 0.1
   LANGUAGES C)
 
+if(EXISTS ${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
+    include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
+    conan_basic_setup()
+else()
+    message(WARNING "The file conanbuildinfo.cmake doesn't exist, you have to run conan install first")
+endif()
 
-include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
-conan_basic_setup()
 
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
@@ -24,6 +47,7 @@ option(ENABLE_MODULE_ECDH "Enable ECDH shared secret computation (experimental).
 option(ENABLE_MODULE_SCHNORR "Enable Schnorr signature module (experimental)." OFF)
 option(ENABLE_MODULE_RECOVERY "Enable ECDSA pubkey recovery module." ON)
 
+#TODO(fernando): Implement the following with_... as options
 set(WITH_ASM "auto" CACHE STRING "Specify assembly optimizations to use (x86_64|arm|no|auto).")
 set(WITH_FIELD "auto" CACHE STRING "Specify Field Implementation (64bit|32bit|auto).")
 set(WITH_SCALAR "auto" CACHE STRING "Specify scalar implementation (64bit|32bit|auto).")
@@ -132,6 +156,9 @@ elseif (WITH_SCALAR STREQUAL "32bit")
   target_compile_definitions(secp256k1 PUBLIC -DUSE_SCALAR_8X32=1)
 endif()
 
+message("fer WITH_BIGNUM: ")
+message(WITH_BIGNUM)
+
 
 if (WITH_BIGNUM STREQUAL "gmp")
   target_compile_definitions(secp256k1 PUBLIC -DHAVE_LIBGMP=1)
diff --git a/build.py b/build.py
index a1c6702d57..da5ef5a746 100644
--- a/build.py
+++ b/build.py
@@ -6,7 +6,7 @@
                                  remotes="https://api.bintray.com/conan/bitprim/bitprim")
 
     builder.add_common_builds(shared_option_name="secp256k1:shared")
-    builder.password = os.getenv("CONAN_PASSWORD")
+    # builder.password = os.getenv("CONAN_PASSWORD")
 
     filtered_builds = []
     for settings, options, env_vars, build_requires in builder.builds:
diff --git a/conanfile.py b/conanfile.py
index ec0e391356..39ff358d0a 100644
--- a/conanfile.py
+++ b/conanfile.py
@@ -1,5 +1,27 @@
-from conans import ConanFile, CMake
+#
+# Copyright (c) 2017 Bitprim developers (see AUTHORS)
+#
+# This file is part of Bitprim.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 import os
+from conans import ConanFile, CMake
+
+def option_on_off(option):
+    return "ON" if option else "OFF"
 
 class Secp256k1Conan(ConanFile):
     name = "secp256k1"
@@ -7,9 +29,48 @@ class Secp256k1Conan(ConanFile):
     license = "http://www.boost.org/users/license.html"
     url = "https://github.com/bitprim/secp256k1"
     description = "Optimized C library for EC operations on curve secp256k1"
+    
     settings = "os", "compiler", "build_type", "arch"
-    options = {"shared": [True, False]}
-    default_options = "shared=False"
+
+    # options = {"shared": [True, False]}
+    # default_options = "shared=False"
+
+    #TODO(fernando): See what to do with shared/static option... (not supported yet in Cmake)
+    # "shared": [True, False],
+    options = {"fPIC": [True, False],
+               "enable_benchmark": [True, False],
+               "enable_tests": [True, False],
+               "enable_openssl_tests": [True, False],
+               "enable_experimental": [True, False],
+               "enable_endomorphism": [True, False],
+               "enable_ecmult_static_precomputation": [True, False],
+               "enable_module_ecdh": [True, False],
+               "enable_module_schnorr": [True, False],
+               "enable_module_recovery": [True, False],
+
+            #    "with_asm": ['x86_64', 'arm', 'no', 'auto'],
+            #    "with_field": ['64bit', '32bit', 'auto'],
+            #    "with_scalar": ['64bit', '32bit', 'auto'],
+            #    "with_bignum": ['gmp', 'no', 'auto'],
+    }
+
+    # "shared=False", \
+    default_options = "fPIC=True", \
+        "enable_benchmark=False", \
+        "enable_tests=True", \
+        "enable_openssl_tests=False", \
+        "enable_experimental=False", \
+        "enable_endomorphism=False", \
+        "enable_ecmult_static_precomputation=True", \
+        "enable_module_ecdh='False'", \
+        "enable_module_schnorr=False", \
+        "enable_module_recovery=True"
+
+        # "with_asm='auto'", \
+        # "with_field='auto'", \
+        # "with_scalar='auto'"
+        # "with_bignum='auto'"
+
     generators = "cmake"
     build_policy = "missing"
     exports_sources = "src/*", "include/*", "CMakeLists.txt", "cmake/*", "secp256k1Config.cmake.in", "contrib/*", "test/*"
@@ -20,12 +81,31 @@ def requirements(self):
 
     def build(self):
         cmake = CMake(self)
+
+        cmake.definitions["USE_CONAN"] = "ON"
+        cmake.definitions["CMAKE_VERBOSE_MAKEFILE"] = "ON"
+        cmake.definitions["ENABLE_POSITION_INDEPENDENT_CODE"] = option_on_off(self.options.fPIC)
+        cmake.definitions["ENABLE_BENCHMARK"] = option_on_off(self.options.enable_benchmark)
+        cmake.definitions["ENABLE_TESTS"] = option_on_off(self.options.enable_tests)
+        cmake.definitions["ENABLE_OPENSSL_TESTS"] = option_on_off(self.options.enable_openssl_tests)
+        cmake.definitions["ENABLE_EXPERIMENTAL"] = option_on_off(self.options.enable_experimental)
+        cmake.definitions["ENABLE_ENDOMORPHISM"] = option_on_off(self.options.enable_endomorphism)
+        cmake.definitions["ENABLE_ECMULT_STATIC_PRECOMPUTATION"] = option_on_off(self.options.enable_ecmult_static_precomputation)
+        cmake.definitions["ENABLE_MODULE_ECDH"] = option_on_off(self.options.enable_module_ecdh)
+        cmake.definitions["ENABLE_MODULE_SCHNORR"] = option_on_off(self.options.enable_module_schnorr)
+        cmake.definitions["ENABLE_MODULE_RECOVERY"] = option_on_off(self.options.enable_module_recovery)
+
+        # cmake.definitions["WITH_ASM"] = option_on_off(self.options.with_asm)
+        # cmake.definitions["WITH_FIELD"] = option_on_off(self.options.with_field)
+        # cmake.definitions["WITH_SCALAR"] = option_on_off(self.options.with_scalar)
+
         if self.settings.os == "Windows":
-            cmake.definitions["WITH_BIGNUM"]="no"
+            cmake.definitions["WITH_BIGNUM"] = "no"
             if self.settings.compiler == "Visual Studio" and (self.settings.compiler.version != 12):
                 cmake.definitions["ENABLE_TESTS"] = "OFF"
         else:
-            cmake.definitions["WITH_BIGNUM"]="gmp"
+            cmake.definitions["WITH_BIGNUM"] = "gmp"
+
         cmake.configure(source_dir=self.conanfile_directory)
         cmake.build()