Ruby LibECP

Ruby LibECP is a wrapper around LibECP, an elliptic-curve cryptography library for producing and verifying ECDSA signatures.

Installation

Use the gem in a project managed with Bundler adding it into Gemfile:

gem "cf-ruby-libecp"

Build

This gem is a native extension gem. The native library will be compiled on your platform automatically at install time.

The required packages to build the gem are:

• GMP, a multiprecision arithmetic library.
• GCC, a compiler for C, C++, Java, Fortan and other program code that can be used in Unix.

Debian-based distributions

$ sudo apt-get install libgmp3-dev build-essential

OS X with Homebrew

$ brew tap homebrew/versions
$ brew install gmp4
$ CPPFLAGS=-I/usr/local/opt/gmp4/include LDFLAGS=-L/usr/local/opt/gmp4/lib gem install cf-ruby-libecp

OS X with MacPorts

$ sudo port install gmp

Usage example

require "libecp"

LibEcp.private_key(LibEcp.gen_uid(1234), "coinfloor")

Licence

Released under the Apache License Version 2.0.