OpenSSL ruby constants and settings dump

openssl_stats.rb

require 'openssl'

# https://ruby.github.io/openssl/OpenSSL.html

puts "OpenSSL::OPENSSL_FIPS = #{OpenSSL::OPENSSL_FIPS}"
puts "\t-> Boolean indicating whether OpenSSL is FIPS-capable or not"

# try to turn on fips_mode if it is marked as true
if OpenSSL::OPENSSL_FIPS
  puts "-> Setting fips_mode to true"
  begin
    OpenSSL.fips_mode = true
    puts "-> fips_mode successfully turned on"
  rescue OpenSSL::OpenSSLError => e
    puts "X-> turning on fips_mode failed with \"#{e.message}\""
  end
end

puts
puts "OpenSSL::OPENSSL_LIBRARY_VERSION = #{OpenSSL::OPENSSL_LIBRARY_VERSION}"
puts "OpenSSL::OPENSSL_VERSION = #{OpenSSL::OPENSSL_VERSION}"
puts "-> Version of OpenSSL the ruby OpenSSL extension was built with"
puts
puts "OpenSSL::OPENSSL_VERSION_NUMBER = #{OpenSSL::OPENSSL_VERSION_NUMBER.to_s(16)}"
puts "-> Version number of OpenSSL the ruby OpenSSL extension was built with (base 16)."
puts
puts "   The formats are below."
puts "   ----------------------"
puts "   OpenSSL 3"
puts "   ->0xMNN00PP0 (major minor 00 patch 0)"
puts "   OpenSSL before 3"
puts "   ->0xMNNFFPPS (major minor fix patch status)"
puts "   LibreSSL"
puts "   -> 0x20000000 (fixed value)"
puts