Generate pair of ecc & rsa SSL certificates

gencsr.rb

#!/usr/bin/env ruby

require 'rake'
include FileUtils
include Rake

domain=ARGV.first
commonname=domain
 
country='US'
state='.'
locality='.'
organization='.'
organizationalunit='.'
email='[email protected]'

raise 'Empty domain' if domain.empty?
 
puts "Generating key request for $domain"

year = Time.now.year

mkdir_p domain
Dir.chdir domain do
  sh "openssl genrsa -out rsa#{year}.key 2048 -noout" if !File.exist? "rsa#{year}.key"
  sh "openssl ecparam -out ecc#{year}.key -name secp384r1 -genkey" if !File.exist? "ecc#{year}.key"
  sh "openssl req -new -key rsa#{year}.key -out rsa#{year}.csr \
    -subj \"/C=#{country}/ST=#{state}/L=#{locality}/O=#{organization}/OU=#{organizationalunit}/CN=#{commonname}/emailAddress=#{email}\""
  sh "openssl req -new -key ecc#{year}.key -out ecc#{year}.csr \
    -subj \"/C=#{country}/ST=#{state}/L=#{locality}/O=#{organization}/OU=#{organizationalunit}/CN=#{commonname}/emailAddress=#{email}\""

  puts File.read "rsa#{year}.csr"
  puts File.read "ecc#{year}.csr"
end